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https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/
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86,809 commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
相浦彰 / AIURA，AKIRA
|
5adb3698bb |
coccinelle: update Coccinelle website URL
The old Coccinelle project URL is no longer available. Replace it with the current Coccinelle homepage already referenced by Documentation/dev-tools/coccinelle.rst. Signed-off-by: Akira Aiura <akira.aiura.bj@hitachi.com> Signed-off-by: Julia Lawall <julia.lawall@inria.fr> |
||
Linus Torvalds
|
df51bdc5e8 |
* Raw NAND changes
- Sunxi: Support added for the H616 compatible
- Qcom: Support added for the MDM9607 compatible
- Support for the Toshiba TC58NVG1S3H part
- GPMI: New debugfs entry to expose the chip geometry
- PL353: Timing updates and software ECC support have been fixed
* SPI NAND changes
- fmsh: Support added for FM25G{01,02}B chips
- HeYangTek: Support added for HYF1GQ4UDACAE
Aside from these main changes, there is a high load of misc fixes and
hardening changes, and exceptionally no SPI NOR change.
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Merge tag 'mtd/for-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux
Pull mtd updates from Miquel Raynal:
"Raw NAND changes:
- Sunxi: Support added for the H616 compatible
- Qcom: Support added for the MDM9607 compatible
- Support for the Toshiba TC58NVG1S3H part
- GPMI: New debugfs entry to expose the chip geometry
- PL353: Timing updates and software ECC support have been fixed
SPI NAND changes:
- fmsh: Support added for FM25G{01,02}B chips
- HeYangTek: Support added for HYF1GQ4UDACAE
Aside from these main changes, there is a high load of misc fixes and
hardening changes, and exceptionally no SPI NOR change"
* tag 'mtd/for-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux: (30 commits)
mtd: rawnand: sunxi: fix H6/H616 controller timings
mtd: rawnand: sunxi: describe tADL and tWHR delays
mtd: rawnand: sunxi: group controller delay tables
mtd: maps: remove dead select of MTD_CFI_BE_BYTE_SWAP
mtd: rawnand: gpmi: add debugfs entry for BCH geometry
mtd: rawnand: validate ONFI extended parameter page sections
mtd: rawnand: sunxi: add H616 MBUS DMA support
mtd: spinand: fmsh: fix FM25G01B/FM25G02B Quad I/O read dummy cycles
mtd: part: reject MTDPART_OFS_RETAIN in mtd_add_partition()
mtd: mpc5121_nfc: use platform for irq and ioremap
mtd: mtdoops: free page bitmap when the backing MTD is removed
mtd: mtdswap: Avoid freeing registered blktrans device twice
mtd: afs: validate v2 image info bounds
mtd: intel-dg: Fix runtime PM error path in probe
mtd: nand-omap2: Move omap_nand_ids[] to raw nand driver
mtd: rawnand: add Toshiba TC58NVG1S3H
mtd: nand: realtek-ecc: add missing MODULE_DEVICE_TABLE()
mtd: rawnand: qcom: Add MDM9607 compatible
mtd: rawnand: qcom: Make has_onfi_read_op separate from qpic_version2
mtd: rawnand: qcom: Make "aon" clock optional
...
|
||
|
Linus Torvalds
|
473f6c8f43 |
perf tools updates for v7.3
perf c2c:
- Add 'function view' in perf c2c report TUI (switched by pressing 'TAB'
in the cacheline view) to organize samples around functions rather than
cachelines in 3-level hierarchy:
Level 1: Read-side function (sorted by estimated Cycles %)
Level 2: Contending writer functions (sorted by Store count)
Level 3: Shared cacheline addresses
Users can navigate the entries and fold/unfold using 'e' key. An example
output would look like below:
Shared Data Functions Table (19 entries, sorted on Cycles %)
Cycles Store
% count Function / Contending function / Cacheline
----------------------------------------------------------------------
+ 35.67% 876 + [k] cpupri_set
+ 24.31% 424 + [k] pull_rt_task
- 16.53% 555 - [k] dequeue_pushable_task
145 - [k] pull_rt_task
145 0xff2d0082809da080
139 - [k] enqueue_pushable_task
70 0xff2d00a2071f9640
69 0xff2d0082809da000
python module support:
- Extend "perf" python module so that it can be fully functional. The goal
is to run scripts directly, not by 'perf script' command. This would give
better performance as well as more control to build standalone programs
with UI.
- Add LiveSession helper (perf_live.py) to enable live event collection
directly from Python using perf.evlist and perf.parse_events.
perf stat:
- Add --hide-zero-events option to suppress zero-count events.
- Reject conflicting --field-separator and --json-output options.
- Fix duplicate event output with --for-each-cgroup.
perf sched latency:
- Add -H/--histogram and --hist-mode (log|linear) options to show scheduler
wait latency histograms.
- Add --time option to filter analysis by time span in 'perf sched latency'.
ARM CoreSight:
- Synthesize callchains for instruction samples from CoreSight trace
using thread stack ('--itrace=g...').
- Support call indentation ('perf script -F +callindent') to display call
depth hierarchy on branch samples.
- Decode ETE (Embedded Trace Extension) exception packets.
Build system:
- Add 'make install-build-deps' target to install required packages.
- Parallelize JSON and metric pre-computation in jevents.py for faster builds.
Vendor event/metric updates:
- Add Intel Nova Lake events and update tables for existing models.
- Update AMD Zen 5 and Zen 6 core events.
- Update Arm64 Tegra410 metrics and PowerPC hcalls.
Internal changes and fixes:
- Harden trace-event and synthetic event parsing against corrupted data.
- Fix unwinding of multi-threaded processes in libdw unwinder.
- Fix memory leaks in various commands and python bindings.
- Speed up 'perf test' shell tests.
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
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Merge tag 'perf-tools-for-v7.3-2026-08-21' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools
Pull perf tools updates from Namhyung Kim:
"perf c2c:
- Add 'function view' in perf c2c report TUI (switched by pressing
'TAB' in the cacheline view) to organize samples around functions
rather than cachelines in 3-level hierarchy:
Level 1: Read-side function (sorted by estimated Cycles %)
Level 2: Contending writer functions (sorted by Store count)
Level 3: Shared cacheline addresses
Users can navigate the entries and fold/unfold using 'e' key. An
example output would look like below:
Shared Data Functions Table (19 entries, sorted on Cycles %)
Cycles Store
% count Function / Contending function / Cacheline
----------------------------------------------------------------------
+ 35.67% 876 + [k] cpupri_set
+ 24.31% 424 + [k] pull_rt_task
- 16.53% 555 - [k] dequeue_pushable_task
145 - [k] pull_rt_task
145 0xff2d0082809da080
139 - [k] enqueue_pushable_task
70 0xff2d00a2071f9640
69 0xff2d0082809da000
python module support:
- Extend "perf" python module so that it can be fully functional. The
goal is to run scripts directly, not by 'perf script' command. This
would give better performance as well as more control to build
standalone programs with UI.
- Add LiveSession helper (perf_live.py) to enable live event
collection directly from Python using perf.evlist and
perf.parse_events.
perf stat:
- Add --hide-zero-events option to suppress zero-count events
- Reject conflicting --field-separator and --json-output options
- Fix duplicate event output with --for-each-cgroup
perf sched latency:
- Add -H/--histogram and --hist-mode (log|linear) options to show
scheduler wait latency histograms
- Add --time option to filter analysis by time span in 'perf sched
latency'
ARM CoreSight:
- Synthesize callchains for instruction samples from CoreSight trace
using thread stack ('--itrace=g...')
- Support call indentation ('perf script -F +callindent') to display
call depth hierarchy on branch samples
- Decode ETE (Embedded Trace Extension) exception packets
Build system:
- Add 'make install-build-deps' target to install required packages
- Parallelize JSON and metric pre-computation in jevents.py for
faster builds
Vendor event/metric updates:
- Add Intel Nova Lake events and update tables for existing models
- Update AMD Zen 5 and Zen 6 core events
- Update Arm64 Tegra410 metrics and PowerPC hcalls
Internal changes and fixes:
- Harden trace-event and synthetic event parsing against corrupted
data
- Fix unwinding of multi-threaded processes in libdw unwinder
- Fix memory leaks in various commands and python bindings
- Speed up 'perf test' shell tests"
* tag 'perf-tools-for-v7.3-2026-08-21' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools: (232 commits)
perf vendor events arm64: Fix Tegra410 Olympus event 0x0197
perf vendor events arm64: fix swapped MetricGroup for Tegra410 L1 prefetcher metrics
perf evlist: Warn when 'sleep' workload is used without system-wide (-a) option
perf c2c: document function view in perf-c2c man page
perf c2c: add function view browser UI and cacheline detail
perf c2c: build and finalize the function view hierarchy
perf c2c: add function view hierarchy entry creation
perf c2c: add function view stats merge and memory management
perf c2c: add HPP list parsing for function view columns
perf c2c: add column rendering for function view
perf c2c: add function view model skeleton
perf c2c: extract shared data structures into util/c2c.h
perf test sample-parsing: Validate PERF_FORMAT_GROUP values without LOST
perf dso: Replace assert with runtime check in dso__read_symbol()
perf dso: Guard against cache underflow on short reads in dso_cache__memcpy()
perf dso: Use stored fd error instead of stale errno in file_read() and file_size()
perf dso: Guard close() against invalid fd in dso__decompress_kmodule_path()
perf dso: Guard against errno==0 when dso__get_filename() returns NULL
perf build: install-build-deps: add RHEL family devel package mapping
perf build: Remove leftover feature tests for removed cxx and clang support
...
|
||
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Linus Torvalds
|
7199989f3f |
Landlock update for v7.3-rc1
-----BEGIN PGP SIGNATURE----- iIYEABYKAC4WIQSVyBthFV4iTW/VU1/l49DojIL20gUCaoa8/RAcbWljQGRpZ2lr b2QubmV0AAoJEOXj0OiMgvbSSjMBAIq+/dIjMVUddtyqRlWKMfBQqokU4Dl5JeHB Y4Jh61idAQCihXimNu+TOuX1zc80eBR+IzDYaAU8ZGcK079hmGO5Bw== =TKoa -----END PGP SIGNATURE----- Merge tag 'landlock-7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux Pull Landlock update from Mickaël Salaün: "This improves observability with Landlock tracepoints support, which required some refactoring for dedicated domain types and common helpers shared with audit code. A LANDLOCK_RESTRICT_SELF_NO_NEW_PRIVS flag is also added to improve process-wide domain enforcement consistency. Whiteout files are now correctly handled and tested, and a few other fixes" * tag 'landlock-7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux: (34 commits) landlock: Document tracepoints selftests/landlock: Add landlock_enforce_domain trace tests selftests/landlock: Add scope and ptrace tracepoint tests selftests/landlock: Add network tracepoint tests selftests/landlock: Add filesystem tracepoint tests selftests/landlock: Add trace event test infrastructure and tests landlock: Add tracepoints for ptrace and scope denials landlock: Add landlock_deny_access_fs and landlock_deny_access_net landlock: Add tracepoints for rule checking landlock: Add landlock_enforce_domain tracepoint landlock: Add create_domain and free_domain tracepoints landlock: Add landlock_add_rule_fs and landlock_add_rule_net tracepoints landlock: Add create_ruleset and free_ruleset tracepoints landlock: Consolidate access-right and scope names in a shared header landlock: Decouple the per-denial logging decision from CONFIG_AUDIT landlock: Split denial logging from audit into common framework landlock: Split struct landlock_domain from struct landlock_ruleset landlock: Move domain query functions to domain.c landlock: Prepare ruleset and domain type split samples/landlock: Add LANDLOCK_RESTRICT_SELF_NO_NEW_PRIVS to sampler ... |
||
|
Linus Torvalds
|
2be02a7c99 |
power supply and reset changes for the 7.3 series
* power-supply core - Add PbAc, NiZn, RAM, and ZnAr battery chemistry types - Create LED triggers based on properties instead of device type - Provide power_supply_get_system_batteries() for usage with USB-C - Add registration init callback for race-free device setup * power-supply drivers - new TI BQ25630 charger driver - new SG Micro sgm41542 charger driver - bq257xx: Add support for BQ25792 - max8903: add DC and USB input current-limit controls - max17042_battery: Initialize MAX17055 from battery info - sbs-battery: map newly introduced battery chemistries - drop extra error messages for IRQ request failures - lot's of driver removal race condition fixes - misc. small cleanups and fixes * reset drivers - add MCF5441x RCM power-on reason driver - misc. small cleanups and fixes -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEE72YNB0Y/i3JqeVQT2O7X88g7+poFAmqHhI8ACgkQ2O7X88g7 +prz8A//RwS840YNf/HU54EoG9daMtipcZ6RJrSoY0UiS4oYxERuOoP3azaj/B+l 6x7q8sp84E6Ejrrt1Hr6guKvRclVbgFJwagbqbzZ1l/EQvxgHPo2grHlSHSpqoPM NafNyFyrItuC9T02XkI1AnDcrXBIXZ4EXxIH2pe/da027lUGkAZO56oxmX5WDBRc OsUvCBBMOe2wlLnQErT7AfEFOic4H4Uz6j+CDwitHGqPcctpLR9JuBiB5QDFKaeY Nf3GDxRG1pahCCgs9ltOAHKx3UmS71xwfEWoig4h4r88OpV59Mm3fMhteTSt2nAl 5c5tkSwBpnlTdMJdJkrlR4bmGMGjAdd0+MkqBivWGev1NJMNo/QGoh0a7pVUFGSt lPgy0vA51+ZBGmcEY6lh4uOlJ0Pn9Sd04Ao/En+0fd0r+jlq3x1JebwqTeFt9pNd 5zXxl2UKpd6xaF6EZoV59AI/DCwNKxHpFfh1IMvBsfFAqe/ULrlr4v+AD+TCUMdr PLU/jdg9j8iIXo7s5U9Xymba5/cxFmy95u+fsVtjjFhHdSRMcKjwRS3mg0L5W+GN umy/2ewraTNsHCLZ7bS0/OL/rSv6nnL5DH/Jk02pkws2lpmVL5x+xeCK4UTJy6rA rMHa+Ex5/i+fW5n5XBgbDmRu/ihojcsVX5Xz/7/LqyuHvTlLWj4= =TxN7 -----END PGP SIGNATURE----- Merge tag 'for-v7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply Pull power supply and reset updates from Sebastian Reichel: "Power-supply core: - Add PbAc, NiZn, RAM, and ZnAr battery chemistry types - Create LED triggers based on properties instead of device type - Provide power_supply_get_system_batteries() for usage with USB-C - Add registration init callback for race-free device setup Power-supply drivers: - new TI BQ25630 charger driver - new SG Micro sgm41542 charger driver - bq257xx: Add support for BQ25792 - max8903: add DC and USB input current-limit controls - max17042_battery: Initialize MAX17055 from battery info - sbs-battery: map newly introduced battery chemistries - drop extra error messages for IRQ request failures - lot's of driver removal race condition fixes - misc small cleanups and fixes Reset drivers: - add MCF5441x RCM power-on reason driver - misc small cleanups and fixes" * tag 'for-v7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (115 commits) power: supply: bq27xxx: bq27z561: fix invalid AverageEnergy address power: supply: bq27xxx: bq28z610: fix invalid AverageEnergy address power: supply: bq27xxx: bq27520g4: fix REG_TTES address power: supply: max17040: synchronize work cancellation on suspend power: supply: lp8727: fix use-after-free in lp8727_release_irq() power: supply: bq256xx: drain usb_work before freeing the charger power: supply: qcom_battmgr: fix battery chemistry strncmp length power: supply: bd99954: Drop bad register fields power: supply: bd71828: Do not hide errors power: supply: bd71828: Drop duplicate power-supply property power: supply: bd71828: Fix current direction power: supply: bd71815: Fix temperature reading power: supply: add stubs for notifier registration helpers power: supply: ucs1002: fix use-after-free on remove power: supply: lp8788-charger: fix use-after-free on remove power: supply: ab8500_fg: fix use-after-free on remove power: supply: bq24257: fix use-after-free on remove power: supply: qcom_battmgr: fix use-after-free power: supply: max17040: drop incorrect I2C functionality check power: supply: charger-manager: register regulators before exposing sysfs ... |
||
|
Linus Torvalds
|
f96718fc1f |
MMC core:
- Reject invalid perdev_minors for the block device before division - Document DT fixed-layout NVMEM provider support for eMMC cards MMC host: - Convert a couple of plain text DT bindings to the yaml format - bcm2835: DMA mapping improvements - cqhci: Fix sparse warnings for endian conversions - dw_mmc: Stop and complete DMA also in busy state - dw_mmc-rockchip: Add support for the RV1106 variant - litex_mmc: Add dynamic bus width support - moxart: Propagate error for DMA completion timeout - pxamci: Remove PXA remnants for the PXA93x support - rtsx_usb_sdmmc: Avoid USB I/O in runtime autosuspend - rtsx_usb_sdmmc: Suppress false CD after init timeout - sdhci_am654: Add Judith Mendez as maintainer - sdhci-esdhc-mcf: Do not use readl()/writel() on ColdFire - sdhci-msm: Extend the DT bindings for ICE - sdhci-tegra: Add support for Tegra264/Tegra238 variants - sunxi: Add support for the Allwinner A733 variant - via-sdmmc: Clean up card detect work at remove and in probe error path -----BEGIN PGP SIGNATURE----- iQJEBAABCgAuFiEEugLDXPmKSktSkQsV/iaEJXNYjCkFAmqIRy0QHHVsZmhAa2Vy bmVsLm9yZwAKCRD+JoQlc1iMKVRSD/9d0JSLTRbCQ/XkNvRXfmVXCFJ8XLZCMu1M YCuJfO1+O1R+P3XVjMCIclqNwYzrETp1f96YRJ7AF0lkkPa890Cuq8p2ZGhElT6M o1mes+qaK6T2hg4Yw2H7auKZdlN7Xl3ez4cxrYq17n2RUcrzzdUbmGR87eym3el7 E07INRzGDFZ2n8/JS13yf1BRCvkP1bRnrHCOHAll8d7xvscCaZFUdz2TpfGjrmDV 7SsnN4Yns/2y9Xq5MOmc5kh8hglNclIpA3D7MGsKkfj6JMxmOR5iUytgMxnXZQYz YUEopIJ2nbEGv4umhTHnIEQBB1UNWO+akz5KnCEY+juKS/MhQ7VpBleGfS5WPCNr 954VcUXvjIN+5QIgK1ZlhWyL9056+MEApYSkqSoAfYtDX05LkFbD5Xmir8G/RtpK FJ9K/ps6YOMliGwCls5zfv1HO1jhjDiaToJxSSwXIfJN6uUNP9+64BVtI6no3XvU nQIDFF1rDbCwZTaHRvvbKhogR1Rja/bMUXnDzxH/8Pvk5jAteDmbMpR7q6CZdn6J OZ85gMm1XxTfbfmVk0rW027jUn7s4D7TX3G1W9CsZKB1QZd4FRnZ4snnoYOYNHWO aRBHIUkio+20BEqXjHz5A9+LSw627/PoZIiQUQsl7JTrMvaYIB1AUDWdoJ0wc9vU TLxdIpM/GQ== =RjJ2 -----END PGP SIGNATURE----- Merge tag 'mmc-v7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc Pull MMC updates from Ulf Hansson: "MMC core: - Reject invalid perdev_minors for the block device before division - Document DT fixed-layout NVMEM provider support for eMMC cards MMC host: - Convert a couple of plain text DT bindings to the yaml format - bcm2835: DMA mapping improvements - cqhci: Fix sparse warnings for endian conversions - dw_mmc: Stop and complete DMA also in busy state - dw_mmc-rockchip: Add support for the RV1106 variant - litex_mmc: Add dynamic bus width support - moxart: Propagate error for DMA completion timeout - pxamci: Remove PXA remnants for the PXA93x support - rtsx_usb_sdmmc: Avoid USB I/O in runtime autosuspend - rtsx_usb_sdmmc: Suppress false CD after init timeout - sdhci_am654: Add Judith Mendez as maintainer - sdhci-esdhc-mcf: Do not use readl()/writel() on ColdFire - sdhci-msm: Extend the DT bindings for ICE - sdhci-tegra: Add support for Tegra264/Tegra238 variants - sunxi: Add support for the Allwinner A733 variant - via-sdmmc: Clean up card detect work at remove and in probe error path" * tag 'mmc-v7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: (35 commits) ARM: PXA: Fix build error for PXA93x dt-bindings: mmc: sunxi: add compatible string for Allwinner A733 MMC0/1/2 dt-bindings: mmc: Document fixed-layout NVMEM provider support mmc: sdhci-tegra: Add Tegra264 SoC data dt-bindings: mmc: tegra: Document Tegra264 SDHCI mmc: sdhci-tegra: Add Tegra238 SoC data dt-bindings: mmc: tegra: Document Tegra238 SDHCI mmc: omap_hsmmc: use platform_get_irq_optional for wake IRQ mmc: via-sdmmc: cancel card-detect work on remove mmc: via-sdmmc: stop card-detect handling on probe failure mmc: moxart: use platform helpers for resource and IRQ mmc: host: Remove redundant dev_err()/dev_err_probe() mmc: bcm2835: DMA mapping improvements mmc: dw_mmc: move declaration of dw_mci_pmops dt-bindings: mmc: rockchip-dw-mshc: Add RV1106 compatible mmc: rtsx_usb_sdmmc: suppress false CD after init timeout misc: rtsx_usb: avoid USB I/O in runtime autosuspend mmc: sdhci-of-dwcmshc: Log eMMC reset calls mmc: block: reject invalid perdev_minors before division mmc: sdhci-of-ma35d1: add missing MODULE_DEVICE_TABLE() ... |
||
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Linus Torvalds
|
21bd0802cd |
RDMA v7.3 merge window pull
Quite alot of buf fixes again:
- Assorted locking, bounds-checking, cleanup, and error-path fixes across
UCMA/CMA, bng_re, bnxt_re, cxgb4, EFA, ERDMA, HFI1, HNS, ionic, iRDMA,
mlx4/mlx5, RXE, SIW, SRP/SRPT, and iSER target.
- netlink report for max # of supported resources
- get_zeroed_page()/etc removal
- Robust udata for ionic
- Allow unique RDMA device names per network namespace
- Completion counters and v2 admit queue support for EFA
- UC QP support for MANA
- Completion timestamps for ionic
- Harden uverbs data validation and resource lifetime handling, fixing several core use-after-free conditions.
- bnxt_re toggle-page ownership and lifetime bug fixes
- dmabuf SRQ support for mlx5
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
Pull RDMA updates from Jason Gunthorpe:
"About the normal size, still a lot of AI bug fixes and so on, but some
interesting new functionality too:
- Assorted locking, bounds-checking, cleanup, and error-path fixes
across UCMA/CMA, bng_re, bnxt_re, cxgb4, EFA, ERDMA, HFI1, HNS,
ionic, iRDMA, mlx4/mlx5, RXE, SIW, SRP/SRPT, and iSER target.
- netlink report for max # of supported resources
- get_zeroed_page()/etc removal
- Robust udata for ionic
- Allow unique RDMA device names per network namespace
- Completion counters and v2 admit queue support for EFA
- UC QP support for MANA
- Completion timestamps for ionic
- Harden uverbs data validation and resource lifetime handling,
fixing several core use-after-free conditions.
- bnxt_re toggle-page ownership and lifetime bug fixes
- dmabuf SRQ support for mlx5"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: (160 commits)
RDMA/ucma: Allow path records to exactly fit the output buffer
RDMA/uverbs: Guard legacy bundles without method_elm
RDMA/efa: Add support for 128B admin v2 SQ entry
RDMA/efa: Generalize the admin SQ
RDMA/efa: Decouple admin command payload from admin header
RDMA/rxe: Fix OOB in free_rd_atomic_resources()
RDMA/cma: Fix WARNING in res_to_rt
RDMA/cxgb4: Free debugfs on registration failure
RDMA/cxgb4: Cancel reg_work before freeing device on remove
RDMA/ucma: Lock the handler in ucma_set_ib_path()
RDMA/ucma: Lock the handler in ucma_write_cm_event()
RDMA/erdma: restrict the driver to little-endian systems
RDMA/ionic: Embed counter driver data in rdma_counter allocation
RDMA/ionic: Cap eq_count to the eth driver's interrupt vector budget
RDMA/siw: Fix use-after-free in siw_accept()
IB/isert: post the full-feature receive buffers after session registration
IB/isert: delay the final Login Response until the session is registered
RDMA/srp: fix heap information leak on a truncated SRP_CRED_REQ
RDMA/erdma: Hold QP references for AE and CM processing
RDMA/erdma: Hold CQ references when processing EQ events
...
|
||
|
Linus Torvalds
|
35748ddd3b |
SCSI misc on 20260821
One new driver: leapraid (similar to mpi3mr but OK'd by Broadcom). The usual suspects for driver updates (ufs, qla2xxx, smartpqi, zfcp, fnic, ibmvfc) plus a few small core updates: a fix for an uninitialized sg list pad bytes plus the removal of the dma mask check for max sectors. The big update in the sd driver is mostly code refactoring for obscure error leg handling. Signed-off-by: James E.J. Bottomley <James.Bottomley@HansenPartnership.com> -----BEGIN PGP SIGNATURE----- iLgEABMIAGAWIQTnYEDbdso9F2cI+arnQslM7pishQUCaogFixsUgAAAAAAEAA5t YW51MiwyLjUrMS4xMiwyLDImHGphbWVzLmJvdHRvbWxleUBoYW5zZW5wYXJ0bmVy c2hpcC5jb20ACgkQ50LJTO6YrIW3+AEAk1xhTuoYYPb87dWVpo74D0KwOjw144uQ jxBbQRx3mV8A/1kzGC5/eGU5XcruUaU6DXcYE7KSb+5aqFdjcHhj1e8a =7IX1 -----END PGP SIGNATURE----- Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi Pull SCSI updates from James Bottomley: "One new driver: leapraid (similar to mpi3mr but OK'd by Broadcom). The usual suspects for driver updates (ufs, qla2xxx, smartpqi, zfcp, fnic, ibmvfc) plus a few small core updates: a fix for an uninitialized sg list pad bytes plus the removal of the dma mask check for max sectors. The big update in the sd driver is mostly code refactoring for obscure error leg handling" * tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (195 commits) scsi: fnic: Fix built-in NVMe/FC build scsi: fnic: Fix invalid comparison for error scsi: core: Fill in DMA padding bytes in scsi_alloc_sgtables() scsi: zfcp: Enable CONTEXT_ANALYSIS scsi: zfcp: Add __must_hold() attribute to zfcp_qdio_sbal_get() scsi: fnic: Use GFP_ATOMIC for VLAN alloc under spinlock scsi: storvsc: Support manual scans for all Hyper-V targets scsi: sd: Fix sd_done() sense handling condition scsi: sd: Fix special_vec mempool leak when scsi_alloc_sgtables() fails scsi: sd: Fix error handling in sd_probe() after large pool creation failure scsi: leapraid: Add driver documentation scsi: leapraid: Add new SCSI driver scsi: ufs: Add support for the aggregated read query opcode scsi: ufs: Use unsigned types for the BSG query scsi: ibmvfc: Fix spelling mistake "Deleteing" -> "Deleting" scsi: qla2xxx: Update version to 12.00.00.2607b2 scsi: qla2xxx: Bound i2c->length in I2C bsg handlers scsi: qla2xxx: Zero SFP DMA buffer in FRU/I2C bsg handlers scsi: qla2xxx: Validate BSG request_len before reading vendor_cmd[] scsi: qla2xxx: Zero-init bsg stack buffers to avoid info leak ... |
||
|
Linus Torvalds
|
4e69c1856b |
drm for 7.3-rc1
perf: - export perf_allow_ APIs for xe udmabuf: - remove default size limit of 64MB rust: - i/o rework (signed tag from driver-core tree) - add registration guard and registration data - fix unbounded lifetimes in ioctl handler args - fix a drm_dev_register race - gem_shmem: add DmaResvGuard helper - gpuvm: require send/sync for driver data - implement send/sync for GpuVaAlloc and GpuVmBo - add SmContext lifetime - rename dma_handle to dma_address - change pci_sriov_get_totalvfs return to unsigned int core: - create drm_of_get_panel_orientation - send per-connector hotplug events - add thunderbolt UBHR tunneling support connector: - add color format property dmem: - introduce a peak file - accept one region per limit - add dmemcg support for eviction gpusvm: - reorg code to give drivers more flexibility atomic: - add create_state callback and helper - add documentation on atomic commit lifetime buddy: - add per-order free - add used block scoreboard - fix UAF - test buffer clearance on resume - add phys_addr->block helper gem: - drop DRIVER_GEM_GPUVA flag ttm: - be more aggressive allocating below protection limit sched: - add test suite for concurrent job submissions hdmi: - hook the color format property in helpers mipi-dsi: - add MIPI_DSI_MODE_DSC_ALL_SLICES_IN_PKT bridge: - add atomic create callbacks - drop atomic reset - display-connector: don't autoenable HPD IRQ - trigger initial HPD for DP - ti-sn65dsi83: remove NO_HFP and NO_HBP mode flags - analogix_dp: switch to DP link training helpers dp: - add support for DSC max delta BPP edid: - parse panel type from DisplayID 2.x Display Parameters sysfb: - improve panel, stride, framebuffer size validation panel: - implement ref counting for struct drm_panel - himax-hx83121a: add backlight regulator support - novatek-nt36672a: Inline panel init sequences - visionox-vtdr6130: enable DSC - novatek-nt37801: Use mipi_dsi_*_multi() functions - samsung-s6d16d0: Fix prepare error handling - support Novatek NT36536 plus DT bindings - sofef00: fix backlight updates - osd101t2587: use mipi_dsi_*_multi interface - panel-edp: adjust timing for AUO displays - panel-lvds: support Opto Logic SCX1001511GGC49 - panel-simple: support Kyocera tcg070wvlq - panel-edp: quirks - AUO B116XAT04.3, CMN N116BCP-EA2, CSW MNB601LS1-8 - BOE NV116WH2-M30, BOE NT116WHM-N21, BOE NV116FH1-M31 - BOE NV116FH1-M30, NV140FHM-N5B, TM156VDXP25 - BOE NE160QDM-NY1, MB116AS01 - new: - Samsung ATNA40HQ08-0, Anbernic TD4310 - Chipone ICNA35XX, Ilitek ILI9488 - Ilitek ILI7807S, Renesas R63419 - MNE001BS6-2, MNF601BS4-1, Sharp LQ120P1JX51 virtio: - add support for save/restore virtio_gpu_objects - abort vq wait on device removal amdgpu: - add color format DRM property - initial compute pipe reset support - add GFX 6-8 modifier support - initial DCN 6.0.0 support - dmemcg eviction support - improved boundary checking for bios parsing - RAS updates and rework - VCN secure submission fixes - 8K panel fix - Display KUNIT tests - parse panel type from DisplayID - Align IP discovery to pci device lifetime - SOC15 register macro cleanups - UVD memory placement fixes - GFX9 mode2 reset fixes - drop unnecessary BUG/BUG_ON - GFX8 soft reset rework - enable soft reset on GFX8 - PSP/SMU 15.0.9 update - VI ASPM fix - userq fixes - amdgpu_vm_get_task_info_pasid lifetime fix - DC CACP support - change system_unbound_wq with system_dfl_wq - Loosen VFCT bios parsing to deal with pci=realloc - SI/SMU7 AC/DC switch fix - VM fence handling fix - GEM close optimisation - Apple Studio Display fixes - DC FRL fixes amdkfd: - initial compute pipe reset support - allow applications to opt out of sigbus on fatal errors - improve CRIU boundary checks - MQD handling rework - move TBA/TMA from system to device memory - avoid topology-lock in kfd_mmap - SVM eviction fixes radeon: - fix unset CONFIG_ACPI build i915: - Novalake (NVL display version 35) timing generator enabling - NVL DC3CO enabling - enable UBHR link rates on thunderbolt tunnels - Reduce Xe3+ PM demand peak bandwidth - enable pipe DMC error interrupts for display 30+ - add kunit tests for DP link config selection - refactor and document DP link recovery - i915/xe driver display probe/remove/suspend/resume/shutdown cleanup and unification - i915/xe display runtime PM unified - Break i915 and xe panic dependency on struct intel_framebuffer - Streamline Pre/Post-CSC LUT loops - drop TGL DC3DO support - CDCLK santization - fix HDMI scrambling enable - fix phys bo pread/pwrite with offset - add missing nospec on parallel submit slot - fix some NULL derefs xe: - drop force_execlist module param - gate observation streams with perf_allow_cpu - skip FORCE_WC and vm_bound check for external dma-bufs - dmemcg eviction support - remove unused NVL-S GuC - TLB invalidation improvements - NVL-S updated PCI-IDs and w/a - madvise: optimise invalidation path - fix infinite gt-reset loop in timeout recovery - update TTM device benefical_order - wait on external BO kernel fences in exec ioctl - add/use more KLV helpers - sriov: disable display in admin only PF mode - add RAS GPU health indicator - optimise TTM populate for DONTNEED BO - drop force_probe for NVL-s - add debugfs for pcode info amdxdna: - disable device buffer export nova: - build nova-core/nova-drm from drivers/gpu - export nova-core rust symbols (workaround) - GSP boot process consolidation - Boot GSP with vGPU enabled - TLV firmware image format support - Hopper/Blackwell fixes and cleanups - I/O projection adoption tyr: - firmware loading and MCU boot - add generic slot manager + MMU - GPU VM support ARM64 LPAE page tables - add kernel buffer object for internal allocations - add parser for Mali CSF - add MCU booting nouveau: - race fixes - check instmem iomapping at first use - add dmemcg support - expose NVDEC channels - add scanline position/head state support for GSP qxl: - convert simple encoder to regular ethosu: - add perf counter support etnaviv: - force flush on power register ops msm: - support DSC configuration with slice_per_pkt > 1 mxsfb: - fix disable sequence panthor: - support sparse mappings rockchip: - switch away from simple helpers - support YUV background color - fix layer config timeout - add edp support for rk3576 - add batch command submission function rocket: - error handling and NULL ptr deref fixes sun4i: - switch away from simple helpers imagination: - mark BXM-4-64 MC1 as support host1x: - support tegra264 tegra: - add DSI for tegra 20/30 v3d: - reduce PM runtime autosuspend delay - scheduler fixes and refactoring - deprecate v3d 3.3 and 4.1 - validate CPU job query boundaries hibmc: - improve plane format handling - switch to gem shmem mediatek: - cec: correct compat for mt7623-8167? exynos: - remove simple dependency - add error handling to encoder paths - take i2c adapter module reference -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEEKbZHaGwW9KfbeusDHTzWXnEhr4FAmqGlb0ACgkQDHTzWXnE hr7l9A//TnfntEghigEEFobfJX+p9FzaOTPPia8paooAj52OBK8Z86WpbYwEo4K9 X+vPXPYpqgKSiGkkC33swAlylWs2v3JoZQ+CESERBk176Ql3ZKhicBINH+k8jIcX uaFoDgpgMoV1JCcvF/m48de8YRcejSN43rIucS0aIH5/r/YEyRsE4d4dzCXw/qD8 92tjbmH20mChfeo8MUNatZx+t8ssSOrVdqouLmmFB8tYTcca6qwN60uA+9VESVtd nZLCEiZD0FUI73oT7fmK/zL2rTb2pZRPFNdz0mb6f7UUpu7f8RYnroHrNsGa/FHl K5RD1/gSVpfc6CbrhPnePaRKvIGeEC4ief8YRRyeoNVT3cmkf+citpOoKN2JajF1 bub/ni2z1FGA3y1ckJb4Z6HmGHt5gki/KoAKCmZkJ7bb7WJq/JHMWEFfq4LuNjTA FSSxPozM4pb69DL02wwRJIEe8cYcc/gVTgrSkzR/tsVUoE6XI4AwZJ/Exa43+jVe hjNkAOMrl/+ma/WGQ4BPUVeTRPZP6RlNM4cSWvG1YA2Pf6+O+XLjukac6t+Ozj0X Fz1ePqYxELKSOYkZKxdpxRDyzY6SxvtyDHfHblo4p+BUvaXKP4wfNRexXETD6Qow P7rqYN6riDMRPI9CoPd25V7cbfYbvoV0iJzv3EQwU3pvB9Vu1ho= =TGZ1 -----END PGP SIGNATURE----- Merge tag 'drm-next-2026-08-20' of https://gitlab.freedesktop.org/drm/kernel Pull drm updates from Dave Airlie: "Highlights: - dmemcg eviction support is good for low VRAM things like Steam Machine - AMD adds gfx6-8 modifier support for older GPUs that enables a bunch of wayland stuff - i915/xe has some new hw support but also a lot of display refactoring Everything: perf: - export perf_allow_ APIs for xe udmabuf: - remove default size limit of 64MB rust: - i/o rework (signed tag from driver-core tree) - add registration guard and registration data - fix unbounded lifetimes in ioctl handler args - fix a drm_dev_register race - gem_shmem: add DmaResvGuard helper - gpuvm: require send/sync for driver data - implement send/sync for GpuVaAlloc and GpuVmBo - add SmContext lifetime - rename dma_handle to dma_address - change pci_sriov_get_totalvfs return to unsigned int core: - create drm_of_get_panel_orientation - send per-connector hotplug events - add thunderbolt UBHR tunneling support connector: - add color format property dmem: - introduce a peak file - accept one region per limit - add dmemcg support for eviction gpusvm: - reorg code to give drivers more flexibility atomic: - add create_state callback and helper - add documentation on atomic commit lifetime buddy: - add per-order free - add used block scoreboard - fix UAF - test buffer clearance on resume - add phys_addr->block helper gem: - drop DRIVER_GEM_GPUVA flag ttm: - be more aggressive allocating below protection limit sched: - add test suite for concurrent job submissions hdmi: - hook the color format property in helpers mipi-dsi: - add MIPI_DSI_MODE_DSC_ALL_SLICES_IN_PKT bridge: - add atomic create callbacks - drop atomic reset - display-connector: don't autoenable HPD IRQ - trigger initial HPD for DP - ti-sn65dsi83: remove NO_HFP and NO_HBP mode flags - analogix_dp: switch to DP link training helpers dp: - add support for DSC max delta BPP edid: - parse panel type from DisplayID 2.x Display Parameters sysfb: - improve panel, stride, framebuffer size validation panel: - implement ref counting for struct drm_panel - himax-hx83121a: add backlight regulator support - novatek-nt36672a: Inline panel init sequences - visionox-vtdr6130: enable DSC - novatek-nt37801: Use mipi_dsi_*_multi() functions - samsung-s6d16d0: Fix prepare error handling - support Novatek NT36536 plus DT bindings - sofef00: fix backlight updates - osd101t2587: use mipi_dsi_*_multi interface - panel-edp: adjust timing for AUO displays - panel-lvds: support Opto Logic SCX1001511GGC49 - panel-simple: support Kyocera tcg070wvlq - panel-edp: quirks - AUO B116XAT04.3, CMN N116BCP-EA2, CSW MNB601LS1-8 - BOE NV116WH2-M30, BOE NT116WHM-N21, BOE NV116FH1-M31 - BOE NV116FH1-M30, NV140FHM-N5B, TM156VDXP25 - BOE NE160QDM-NY1, MB116AS01 - new: - Samsung ATNA40HQ08-0, Anbernic TD4310 - Chipone ICNA35XX, Ilitek ILI9488 - Ilitek ILI7807S, Renesas R63419 - MNE001BS6-2, MNF601BS4-1, Sharp LQ120P1JX51 virtio: - add support for save/restore virtio_gpu_objects - abort vq wait on device removal amdgpu: - add color format DRM property - initial compute pipe reset support - add GFX 6-8 modifier support - initial DCN 6.0.0 support - dmemcg eviction support - improved boundary checking for bios parsing - RAS updates and rework - VCN secure submission fixes - 8K panel fix - Display KUNIT tests - parse panel type from DisplayID - Align IP discovery to pci device lifetime - SOC15 register macro cleanups - UVD memory placement fixes - GFX9 mode2 reset fixes - drop unnecessary BUG/BUG_ON - GFX8 soft reset rework - enable soft reset on GFX8 - PSP/SMU 15.0.9 update - VI ASPM fix - userq fixes - amdgpu_vm_get_task_info_pasid lifetime fix - DC CACP support - change system_unbound_wq with system_dfl_wq - Loosen VFCT bios parsing to deal with pci=realloc - SI/SMU7 AC/DC switch fix - VM fence handling fix - GEM close optimisation - Apple Studio Display fixes - DC FRL fixes amdkfd: - initial compute pipe reset support - allow applications to opt out of sigbus on fatal errors - improve CRIU boundary checks - MQD handling rework - move TBA/TMA from system to device memory - avoid topology-lock in kfd_mmap - SVM eviction fixes radeon: - fix unset CONFIG_ACPI build i915: - Novalake (NVL display version 35) timing generator enabling - NVL DC3CO enabling - enable UBHR link rates on thunderbolt tunnels - Reduce Xe3+ PM demand peak bandwidth - enable pipe DMC error interrupts for display 30+ - add kunit tests for DP link config selection - refactor and document DP link recovery - i915/xe driver display probe/remove/suspend/resume/shutdown cleanup and unification - i915/xe display runtime PM unified - Break i915 and xe panic dependency on struct intel_framebuffer - Streamline Pre/Post-CSC LUT loops - drop TGL DC3DO support - CDCLK santization - fix HDMI scrambling enable - fix phys bo pread/pwrite with offset - add missing nospec on parallel submit slot - fix some NULL derefs xe: - drop force_execlist module param - gate observation streams with perf_allow_cpu - skip FORCE_WC and vm_bound check for external dma-bufs - dmemcg eviction support - remove unused NVL-S GuC - TLB invalidation improvements - NVL-S updated PCI-IDs and w/a - madvise: optimise invalidation path - fix infinite gt-reset loop in timeout recovery - update TTM device benefical_order - wait on external BO kernel fences in exec ioctl - add/use more KLV helpers - sriov: disable display in admin only PF mode - add RAS GPU health indicator - optimise TTM populate for DONTNEED BO - drop force_probe for NVL-s - add debugfs for pcode info amdxdna: - disable device buffer export nova: - build nova-core/nova-drm from drivers/gpu - export nova-core rust symbols (workaround) - GSP boot process consolidation - Boot GSP with vGPU enabled - TLV firmware image format support - Hopper/Blackwell fixes and cleanups - I/O projection adoption tyr: - firmware loading and MCU boot - add generic slot manager + MMU - GPU VM support ARM64 LPAE page tables - add kernel buffer object for internal allocations - add parser for Mali CSF - add MCU booting nouveau: - race fixes - check instmem iomapping at first use - add dmemcg support - expose NVDEC channels - add scanline position/head state support for GSP qxl: - convert simple encoder to regular ethosu: - add perf counter support etnaviv: - force flush on power register ops msm: - support DSC configuration with slice_per_pkt > 1 mxsfb: - fix disable sequence panthor: - support sparse mappings rockchip: - switch away from simple helpers - support YUV background color - fix layer config timeout - add edp support for rk3576 - add batch command submission function rocket: - error handling and NULL ptr deref fixes sun4i: - switch away from simple helpers imagination: - mark BXM-4-64 MC1 as support host1x: - support tegra264 tegra: - add DSI for tegra 20/30 v3d: - reduce PM runtime autosuspend delay - scheduler fixes and refactoring - deprecate v3d 3.3 and 4.1 - validate CPU job query boundaries hibmc: - improve plane format handling - switch to gem shmem mediatek: - cec: correct compat for mt7623-8167? exynos: - remove simple dependency - add error handling to encoder paths - take i2c adapter module reference" * tag 'drm-next-2026-08-20' of https://gitlab.freedesktop.org/drm/kernel: (2074 commits) drm/xe/mcr: Take vcs1/vecs1 into account for first media slice drm/xe: Fix a bug in pc_adjust_freq_bounds() drm/xe: Fix xe_device_probe() failure drm/xe/drm_ras: Move has_drm_ras check to drm_ras layer drm/xe/ras: Fix boot-time ras error processing drm/amd/display: make DC_RUN_WITH_PREEMPTION_ENABLED misuse a build error drm/amd/pm: silence uninitialized variable warnings drm/amdgpu: skip BOs being torn down during GTT recovery drm/amdgpu: Reject UVD message with invalid number of h265 refs drm/amdgpu: keep PRT mappings off the vm_bo state lists drm/amdgpu: fix nbif 6.3.1 l1 low power not functional drm/amd/display: fix BT.2020 YCbCr output CSC matrices for DCE drm/amd/display: fix BT.2020 YCbCr limited output CSC matrix drm/amdgpu: Implement insert_end for VCE 3 drm/amdgpu: Fix UVD min buffer sizes drm/amdgpu: Fix UVD decode image min size calculation drm/amdgpu: Fix UVD dpb min size calculation for H264 drm/amdgpu: Reject UVD message with dimensions above 4096 drm/amdgpu: check ASPM on the dGPU host link drm/radeon: fix autosuspend cleanup during teardown ... |
||
|
Linus Torvalds
|
ed3b875bea |
mm.git review status for mm-hotfixes-stable..mm-stable
Everything:
Total patches: 501
Reviews/patch: 1.66
Reviewed rate: 70%
Excluding DAMON:
Total patches: 356
Reviews/patch: 2.26
Reviewed rate: 90%
Excluding DAMON and selftests:
Total patches: 329
Reviews/patch: 2.31
Reviewed rate: 92%
Excluding DAMON, selftests and maple_tree:
Total patches: 328
Reviews/patch: 2.31
Reviewed rate: 92%
Summary of patch series in this merge:
- The 2 patch series "mm: drop "sub" prefix from various places" from
Dev Jain implements some page->folio conversion and a naming cleanup.
- The 2 patch series "mm/kasan: remove redundant initialization for
kasan_flag_write_only" from Igor Putko provides some KASAN cleanup work.
- The 2 patch series "mm/filemap: reduce unnecessary xarray lookups"
from Chi Zhiling provides a small speedup in the pagecaache read code.
- The 4 patch series "mm/percpu: Fix possible NOFS/NOIO reclaim
recursion" from Kaitao Cheng improves a few things in the vmalloc code -
mainly the avoidance of GFP_KERNEL allocations when the caller asked for
GFP_NOFS or GFP_NOIO.
- The 3 patch series "mm/kmemleak: avoid soft lockup when scanning task
stacks" from Breno Leitao avoids a soft lockup watchdog trigger from the
kmemleak scanning code in extreme situations.
- The 6 patch series "mm/page_owner: misc cleanups" from Ye Liu is a
collection of unrelated cleanups to the page_owner code. For some
reason lots of people have been working on the page_owner code this
cycle.
- The 4 patch series "mm: convert to walk_page_range_vma() to eliminate
find_vma()" from Kefeng Wang simplifies and accelerates the page walking
library function.
- The 3 patch series "mm/migrate: preparatory cleanups for batch copy
and offload" from Shivank Garg implements cleanups in the migration
code.
- The 4 patch series "mm/page_owner: add per-fd filter infrastructure
for print_mode and NUMA filtering" from Zhen Ni provides per-fd
filtering to page_owner in order to reduce the sometimes vast amount of
output it can produce.
- The 19 patch series "mm: Refactor bootmem gigantic hugepage
allocation" from Muchun Song is a "set of fixes and preparatory cleanups
around bootmem HugeTLB handling, sparse initialization ordering, and
related vmemmap setup".
- The 4 patch series "mm/zsmalloc: reduce lock contention in zs_free()"
from Wenchao Hao reduces lock contention in zs_free(), which dominates
the unmap path under memory pressure on Android (LMK kills) and on x86
servers running zswap-heavy workloads. Up to 1.83x improvement in
microbenchmarking.
- The 2 patch series "move alloc_tag.c file under mm/" from Suren
Baghdasaryan does that.
- The 6 patch series "samples/damon: handle damon_{start,stop}()
failures" from SJ Park fixes improper handling of damon_start(),
damon_stop(), and damon_call() failures across DAMON sample modules to
prevent potential memory leaks, operation disruptions and use-after-free
bugs.
- The 11 patch series "mm/damon/sysfs: kobject_del() directories that
users can create/remove" from SJ Park resolves an issue where delayed
sysfs directory removal under CONFIG_DEBUG_KOBJECT_RELEASE causes
creation failures due to duplicate directory names by adding missing
kobject_del() calls before creating new directories.
- The 3 patch series "mm: cleanup clear_not_present_full_ptes()" from
David Hildenbrand cleans up the core pte handling code.
- The 3 patch series "selftests/damon: misc fixes for test bugs" from
Kunwu Chan fixes several bugs in the DAMON selftests.
- The 2 patch series "selftests/damon: fix memcg_path staging handling"
from Cheng Nie fixes a bug in _damon_sysfs.py for damos_filter
memcg_path setup, and adds a test case for it in sysfs.py.
- The 2 patch series "selftests/damon: test kdamond refresh_ms" from
Ruslan Valiyev introduces selftest coverage for DAMON's refresh_ms sysfs
feature by updating the test control module and verifying that scheme
stats update automatically without manual intervention.
- The 5 patch series "mm/damon: five misc fixups" from Akinobu Mita
contains miscellaneous DAMON fixups.
- The 2 patch series "mm/damon/core: detect internal variation above
max_nr_regions/2" from Jiayuan Chen fixes DAMON's region splitting
behavior when region counts exceed half the maximum budget by
dynamically scaling down the split fraction as the limit approaches,
preventing large regions from staying un-split, and adds corresponding
KUnit test coverage.
- The 6 patch series "mm: preparatory patches for PMD level swap
entries" from Usama Arif refactors and cleans up PMD softleaf helpers,
call sites, and architecture flags to lay the groundwork for a follow-up
series that introduces PMD page table swap entries.
- The 11 patch series "mm/damon: update, optimize, and clean up doc,
tests, and code" from SJ Park updates DAMON design and ABI
documentation, expands unit and selftest coverage, optimizes
damon_commit_target_regions(), and cleans up recently added sysfs
interface code for better readability.
- The 2 patch series "mm/vmpressure: reduce CPU, memory and code
overhead on cgroup v2" from Usama Arif optimizes vmpressure() by
skipping unnecessary work on cgroup v2 for userspace event notifications
and refactors v1-only eventfd handling into mm/memcontrol-v1.c to reduce
memory overhead and code complexity.
- The 10 patch series "selftests/mm: refactor pkey helpers and fix mmap
error handling" from Hongfu Li refactors pkeys shared tracing and
assertion helpers into a common file, unifies protection key selftests
to use consistent diagnostic logging and assertions, and enforces
standardized MAP_FAILED return checks for mmap() calls across the tests.
- The 18 patch series "mm/damon: optimize out nr_accesses_bp" from SJ
Park replaces the error-prone, continuously updated nr_accesses_bp field
in damon_region with an on-demand moving sum function
(damon_nr_accesses_mvsum()), reducing structure memory overhead and
avoiding state corruption bugs.
- The 6 patch series "Open HugeTLB allocation routine for more generic
use" from Ackerley Tng decouples HugeTLB folio allocation from VMA
dependencies by introducing hugetlb_alloc_folio(), enabling subsystems
like guest_memfd to allocate HugeTLB folios without standard VMA
reservations or pseudo-VMAs.
- The 3 patch series "mm/damon: provide pseudo moving sum probe_hits"
from SJ Park integrates DAMON's probe_hits attribute counter into the
pseudo moving sum infrastructure, enabling real-time, online monitoring
without waiting for full aggregation intervals.
- The 18 patch series "mm: Some cleanups for page allocator APIs" from
Brendan Jackman simplifies and refactors the page allocator entry points
and flags by unifying allocation paths, adding internal alloc_flags
arguments, and eliminating redundant __ prefixed alloc_pages variants.
- The 5 patch series "Fix incorrect access of hugetlb pte entries" from
Dev Jain enforces the consistent use of huge_ptep_get() instead of
ptep_get() for HugeTLB entries and fixes an unaligned address issue in
arm64's huge_ptep_get() implementation.
- The 8 patch series "mm/damon: validate all parameters in the core"
from SJ Park consolidates parameter validation into the DAMON core
specifically within damon_start() and damon_commit_ctx() to centralize
error checking, eliminate caller-side redundant checks and to improve
maintenance efficiency.
- The 3 patch series "tools/mm/page_owner_sort: fix filtering and
cleanup issues" from Yichong Chen renames is_need() to filter_record()
for clearer return semantics, fixes per-record allocation memory leaks
and bounds output copies in search_pattern() to address an existing
buffer issue.
- The 4 patch series "memcg: bail out reclaim when memcg is dying" from
Jiayuan Chen mitigates a system-wide stall which occurs when a cgroup is
removed while one of its memory control files is doing synchronous
reclaim.
- The 5 patch series "mm/memory-failure: add panic option for
unrecoverable pages" from Breno Leitao introduces an opt-in
vm.panic_on_unrecoverable_memory_failure sysctl that immediately panics
the kernel on unrecoverable memory errors in kernel-owned pages to
preserve error context and prevent delayed, silent data corruption.
- The 11 patch series "mm/damon: refactor damon_{start,stop,commit}()
for simple error handling" from SJ Park refactors the DAMON core API
functions to guarantee that all contexts are fully stopped when
damon_start(), damon_stop(), or damon_commit() fail, eliminating the
need for complex and error-prone caller-side cleanup code.
- The 5 patch series "Keep tail page private zero at free and folio
split" from Zi Yan adds checks to ensure tail_page->private is zero when
freeing compound or high-order pages and when promoting tail pages
during large folio splits. By validating these fields at free and split
time, it allows the removal of redundant private field clearing inside
prep_compound_tail().
- The 4 patch series "mm: drop redundant lru_add_drain in anon folio
reuse paths" from Barry Song eliminates redundant lru_add_drain() calls
in wp_can_reuse_anon_folio() and do_swap_page() to reduce LRU lock
contention and system overhead.
By validating folio refcounts against the LRU cache before draining
and removing unnecessary drains in the swap path, it achieves up to a
30.5% reduction in drain calls during heavy swap workloads.
- The 3 patch series "mm: clean up folio LRU and swap declarations" from
Jianyue Wu reorganizes folio LRU and swap code by relocating
page-cluster state to mm/swap_state.c, renaming mm/swap.c to mm/folio.c,
and moving MM-internal reclaim declarations into mm/internal.h.
- The 15 patch series "userfaultfd: working set tracking for VM guest
memory" from Kiryl Shutsemau adds userfaultfd support for tracking the
working set of VM guest memory, so a VMM can identify hot pages and
reclaim cold ones to tiered or remote storage.
- The 10 patch series "mm: remove CONFIG_HAVE_BOOTMEM_INFO_NODE (Part
2)" from David Hildenbrand removes the remaining pieces of
CONFIG_HAVE_BOOTMEM_INFO_NODE, performing some smaller cleanups around
freeing of reserved vmemmap pages on the way.
- The 7 patch series "mm/damon: update probe hits for runtime parameter
commits" from SJ Park ensures that DAMON's probe_hits attribute counter
is properly updated when monitoring intervals are changed at runtime,
matching the behavior of nr_accesses. To achieve this, it refactors and
renames existing helper functions for shared use, applies the updates to
probe_hits, and handles edge cases in damon_probe_hits_mvsum() to
maintain measurement accuracy.
- The 3 patch series "KSM: performance optimizations for rmap_walk_ksm"
from xu xin resolves a severe KSM reverse-mapping performance bottleneck
where thousands of split VMAs sharing a single anon_vma cause extended
lock contention. By adding an interval-filtering check during the rmap
walk, it reduces worst-case anon_vma lock hold times from over 500ms
down to under 2ms, preventing application freezes and latency spikes
under memory pressure.
- The 3 patch series "mm: split a couple of headers from internal.h"
from Mike Rapoport splits declarations related to mm_init, memblock,
vmalloc and sparse into new headers.
- The 2 patch series "KSM: use linear_page_index in collect_procs_ksm()"
from xu xin applies the interval tree optimization from rmap_walk_ksm()
to collect_procs_ksm() to avoid iterating over non-matching VMAs during
KSM memory error handling. It hoists loop-invariant address
initialization and restricts the anon_vma_interval_tree_foreach walk to
a targeted page offset range, reducing redundant checks and improving
lookup efficiency.
- The 3 patch series "selftests/mm: avoid false failures in hugetlb and
KSM tests" from Sayali Patil fixes issues in the hugetlb and KSM MM
selftest categories that can report failures when the prerequisites for
the tests are not satisfied.
- The 19 patch series "mm/damon: introduce data attributes only
monitoring" from SJ Park introduces attribute-weighted region management
in DAMON, allowing users to prioritize specific data attributes (such as
page sizes or cgroups) over or instead of access monitoring.
By assigning weights to attribute probes, DAMON can completely disable
access tracking and adjust monitoring regions based on weighted
probe-hit counters to optimize monitoring quality for attribute-focused
workloads.
- The 8 patch series "mm/hmm: Add mmap lock-drop support for
userfaultfd-backed mappings" from Stanislav Kinsburskii extends
hmm_range_fault() to support userfaultfd-backed regions by allowing the
mmap lock to be dropped during fault handling via a new
hmm_range_fault_locked() helper.
By accepting a locked pointer and signaling retry status when lock
release occurs, it enables page fault resolution in userfaultfd regions
while preserving backward compatibility for existing callers.
- The 33 patch series "mm: make VMA page offset handling more
consistent" from Lorenzo Stoakes cleans up and standardizes how
vma->vm_pgoff is accessed and manipulated across file-backed and
anonymous mappings in the kernel.
It introduces dedicated helper functions such as vma_start_pgoff(),
vma_end_pgoff(), vma_set_pgoff() and linear_page_delta() while renaming
rmap interval tree helpers to better reflect their functionality.
These changes establish a cleaner foundation for future work that will
unify virtual page offset indexing for all anonymous and CoW'd folios.
- The 3 patch series "mm: handle device-private PMDs in walk callbacks"
from Usama Arif addresses kernel panics and state corruption caused by
MM walk callbacks reaching non-present device-private PMD swap entries
created during HMM migrations.
It ensures that functions which acquire pmd_trans_huge_lock() properly
recognize device-private PMDs instead of assuming a present THP or a
standard migration entry.
- The 5 patch series "mm/rmap: Refactor try_to_unmap_one" from Dev Jain
refactors try_to_unmap_one by modularizing Hugetlb, anonymous-lazyfree,
and anonymous-swapbacked logic into dedicated functions, laying the
structural groundwork for batched anonymous large folio unmapping.
- The 4 patch series "Docs/ABI/damon: sysfs ABI document fixes and
additions" from Song Hu fixes typos and fills in missing entries in the
DAMON sysfs ABI document.
- The 10 patch series "dax/kmem: atomic whole-device hotplug via sysfs"
from Gregory Price introduces an atomic sysfs state attribute and
supporting DAX/MM infrastructure to prevent userland races when
offlining and removing entire memory regions.
By adding an unplugged state alongside standard online modes, it
enables whole-device atomic hotplug control while preserving backward
compatibility.
- The 13 patch series "mm: convert more vm_flags_t users to vma_flags_t"
from Lorenzo Stoakes continues transitioning the kernel from the
deprecated vm_flags_t type to vma_flags_t across core memory management
infrastructure.
It replaces legacy type usage in core functions such as do_mmap(),
unmapped area allocation, mm->def_vma_flags, and VMA operations like
mlock, mprotect, and mremap.
- The 2 patch series "Two small patches to clean up mm/mm_slot.h" from
xu xin refactors mm_slot.h by introducing mm_slot_remove() to unify
duplicate slot deletion sequences in khugepaged and KSM. It also adds
code documentation explaining why mm_slot_lookup and mm_slot_insert must
remain as preprocessor macros rather than static inline functions.
- The 10 patch series "mm/damon/core: hide core-private struct fields"
from SJ Park cleans up DAMON core structures by consistently marking
internal-only fields with private: comment tags to prevent improper
direct access from outer layers.
It enforces encapsulation across core structures including
damon_region, damon_target, and damon_ctx and updates DAMON_SYSFS to
interact through approved access APIs instead of exposing raw struct
members.
- The 6 patch series "mm/damon: unurgent fixes for infinite loop, NULL
de-ref and races" from SJ Park addresses potential infinite loops, NULL
dereferences, and race conditions identified in DAMON.
It fixes an infinite loop triggered by extreme user configurations, a
NULL pointer dereference within unit tests and minor monitoring
accuracy degradation caused by subtle runtime races.
- The 2 patch series "mm/page_alloc: fixes for free_pages_nolock() on
RT/UP" from Brendan Jackman fixes an NMI safety flaw in
__free_frozen_pages() where freeing pages on non-SMP or PREEMPT_RT
kernels can bypass can_spin_trylock() checks via non-PCP or isolated
migration paths.
It also resolves potential kernel crashes and privilege escalation
risks triggered when BPF tracing runs in NMI context alongside memory
hotplug or large allocation frees.
- The 4 patch series "mm/page_alloc: couple of followups for recent
cleanups" from Brendan Jackman cleans up and updates page allocator
nomenclature, documentation, and debug assertions.
It aligns internal FPI_ flags with the public "nolock" naming
convention, removes outdated internal implementation details from
high-level page allocator comments, and eliminates obsolete VM_BUG_ON()
assertions in allocation paths.
- The 3 patch series "mm/mseal: further cleanups" from Lorenzo Stoakes
refactors and simplifies the mseal implementation by clarifying API
boundaries and removing unnecessary code complexity.
It replaces generic do_mseal() usage outside the syscall with a
dedicated mseal_mmap_page_zero() helper for MMAP_PAGE_ZERO, eliminates
mm_struct parameters to enforce that sealing applies only to
current->mm, and streamlines overall logic and comments with no
functional changes intended.
- The 4 patch series "mm/vmscan: fix swappiness=max and clean up
per-node proactive reclaim" from Ridong Chen resolves reclaim behavior
bugs and cleans up function parameters across memory reclaim paths.
It fixes swappiness=max in both standard reclaim and MGLRU so
unswappable anonymous memory no longer falls back to evicting page
cache, ensures reclaim_store() returns accurate error codes instead of
collapsing all failures into -EAGAIN, and removes the obsolete gfp_mask
parameter from __node_reclaim().
- The 6 patch series "mm: mincore: misc cleanups" from Kefeng Wang
cleans up and simplifies the mincore code. Most importantly, it removes
the historical special behavior that always reports VM_PFNMAP pages as
non-resident.
- The 2 patch series "mm/huge_memory: drop dead split helper variants"
from Kiryl Shutsemau implements two trivial cleanups in the folio split
API.
- The 7 patch series "mm/damon: fix uninitialized DAMOS field and kunit
exec expectation bugs" from SJ Park resolves minor operational and
testing bugs in DAMON identified by Sashiko. It initializes the
damos->last_applied field to prevent occasional efficiency degradation
and fixes invalid memory accesses in DAMON KUnit tests during test
failure handling.
- The 3 patch series "cleanup for stable_page_flags()" from Jinjiang Tu
cleans up and refactors stable_page_flags() used by /proc/kpageflags
without altering functionality.
It uses BIT_ULL() to prevent shift-overflow warnings on 64-bit flag
bits, converts folio-specific flag checks to standard folio_test_*()
helpers, and removes redundant CONFIG_PAGE_IDLE_FLAG handling.
- The 3 patch series "Batch unmap of uffd-wp file folios" from Dev Jain
extends batched folio unmapping support to file folios within
userfaultfd write-protect (uffd-wp) VMAs by adding batching capabilities
to pte_install_uffd_wp_if_needed().
This removes special-case restrictions on uffd-wp VMAs in
try_to_unmap_one(), significantly simplifying the function's control
flow and complexity.
- The 3 patch series "mm/early_ioremap: clarify and clean up
early_ioremap_reset()" from Sang-Heon Jeon clarifies and cleans up the
architecture-specific usage of __late_set_fixmap() and
__late_clear_fixmap() after early_ioremap_reset().
It adds explicit documentation regarding when early_ioremap_reset()
must be called and removes redundant macro definitions and reset calls
in the RISC-V and ARM64 architectures.
- The 4 patch series "mm: fix reclaim storms in defrag_mode" from
Johannes Weiner addresses severe performance regressions, swap storms,
and spurious OOMs caused by vm.defrag_mode=1 under high memory pressure
in Meta production.
It updates the page allocator slowpath so non-movable allocation
requests actively trigger direct reclaim and direct compaction at
pageblock_order scale, allowing them to claim whole pageblocks rather
than spinning unproductively.
- The 2 patch series "zram: lockmap tweaks" from Sebastian Siewior
optimizes and fixes lockdep tracking for zram devices by consolidating
per-entry lockmaps and isolating lock classes across multiple instances.
It reduces memory overhead by replacing per-entry lockdep_map instances
with a single map per struct zram, and assigns a dynamic lock_class_key
to each instance to prevent false deadlock reports when different zram
devices are backed by distinct filesystems.
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Merge tag 'mm-stable-2026-08-18-18-39' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull MM updates from Andrew Morton:
- "mm: drop "sub" prefix from various places" (Dev Jain)
page->folio conversion and a naming cleanup
- "mm/kasan: remove redundant initialization for kasan_flag_write_only"
(Igor Putko)
KASAN cleanup work
- "mm/filemap: reduce unnecessary xarray lookups" (Chi Zhiling)
Small speedup in the pagecaache read code
- "mm/percpu: Fix possible NOFS/NOIO reclaim recursion" (Kaitao Cheng)
Improve the vmalloc code - mainly the avoidance of GFP_KERNEL
allocations when the caller asked for GFP_NOFS or GFP_NOIO
- "mm/kmemleak: avoid soft lockup when scanning task stacks" (Breno
Leitao)
Avoid a soft lockup watchdog trigger from the kmemleak scanning code
in extreme situations
- "mm/page_owner: misc cleanups" (Ye Liu)
Cleanups to the page_owner code. For some reason lots of people have
been working on the page_owner code this cycle.
- "mm: convert to walk_page_range_vma() to eliminate find_vma()"
(Kefeng Wang)
Simplify and accelerate the page walking library function
- "mm/migrate: preparatory cleanups for batch copy and offload"
(Shivank Garg)
Cleanups in the migration code
- "mm/page_owner: add per-fd filter infrastructure for print_mode and
NUMA filtering" (Zhen Ni)
Per-fd filtering to page_owner in order to reduce the sometimes vast
amount of output it can produce
- "mm: Refactor bootmem gigantic hugepage allocation" (Muchun Song)
Fixes and preparatory cleanups around bootmem HugeTLB handling,
sparse initialization ordering, and related vmemmap setup
- "mm/zsmalloc: reduce lock contention in zs_free()" (Wenchao Hao)
Reduce lock contention in zs_free(), which dominates the unmap path
under memory pressure on Android (LMK kills) and on x86 servers
running zswap-heavy workloads.
Up to 1.83x improvement in microbenchmarking.
- "move alloc_tag.c file under mm/" (Suren Baghdasaryan)
- "samples/damon: handle damon_{start,stop}() failures" (SJ Park)
Fix improper handling of damon_start(), damon_stop(), and
damon_call() failures across DAMON sample modules to prevent
potential memory leaks, operation disruptions and use-after-free
bugs
- "mm/damon/sysfs: kobject_del() directories that users can
create/remove" (SJ Park)
Fix delayed sysfs directory removal under DEBUG_KOBJECT_RELEASE
causeing creation failures due to duplicate directory names by adding
missing kobject_del() calls before creating new directories
- "mm: cleanup clear_not_present_full_ptes()" (David Hildenbrand)
Clean up the core pte handling code
- "selftests/damon: misc fixes for test bugs" (Kunwu Chan)
Fix several bugs in the DAMON selftests
- "selftests/damon: fix memcg_path staging handling" (Cheng Nie)
Fix a bug in _damon_sysfs.py for damos_filter memcg_path setup, and
add a test case for it in sysfs.py.
- "selftests/damon: test kdamond refresh_ms" (Ruslan Valiyev)
Selftest coverage for DAMON's refresh_ms sysfs feature by updating
the test control module and verifying that scheme stats update
automatically without manual intervention
- "mm/damon: five misc fixups" (Akinobu Mita)
Miscellaneous DAMON fixups.
- "mm/damon/core: detect internal variation above max_nr_regions/2"
(Jiayuan Chen)
Fix DAMON's region splitting behavior when region counts exceed half
the maximum budget by dynamically scaling down the split fraction as
the limit approaches, preventing large regions from staying un-split,
and add corresponding KUnit test coverage
- "mm: preparatory patches for PMD level swap entries" (Usama Arif)
Refactor and clean up PMD softleaf helpers, call sites, and
architecture flags to lay the groundwork for a follow-up series that
introduces PMD page table swap entries
- "mm/damon: update, optimize, and clean up doc, tests, and code" (SJ
Park)
Update DAMON design and ABI documentation, expands unit and selftest
coverage, optimize damon_commit_target_regions(), and clean up
recently added sysfs interface code for better readability
- "mm/vmpressure: reduce CPU, memory and code overhead on cgroup v2"
(Usama Arif)
Optimize vmpressure() by skipping unnecessary work on cgroup v2 for
userspace event notifications and refactor v1-only eventfd handling
into mm/memcontrol-v1.c to reduce memory overhead and code complexity
- "selftests/mm: refactor pkey helpers and fix mmap error handling"
(Hongfu Li)
Refactor pkeys shared tracing and assertion helpers into a common
file, unify protection key selftests to use consistent diagnostic
logging and assertions, and enforce standardized MAP_FAILED return
checks for mmap() calls across the tests
- "mm/damon: optimize out nr_accesses_bp" (SJ Park)
Replace the error-prone, continuously updated nr_accesses_bp field in
damon_region with an on-demand moving sum function, reducing
structure memory overhead and avoiding state corruption bugs
- "Open HugeTLB allocation routine for more generic use" (Ackerley Tng)
Decouple HugeTLB folio allocation from VMA dependencies by
introducing hugetlb_alloc_folio(), enabling subsystems like
guest_memfd to allocate HugeTLB folios without standard VMA
reservations or pseudo-VMAs
- "mm/damon: provide pseudo moving sum probe_hits" (SJ Park)
Integrate DAMON's probe_hits attribute counter into the pseudo moving
sum infrastructure, enabling real-time, online monitoring without
waiting for full aggregation intervals
- "mm: Some cleanups for page allocator APIs" (Brendan Jackman)
Simplify and refactor the page allocator entry points and flags by
unifying allocation paths, adding internal alloc_flags arguments, and
eliminating redundant __ prefixed alloc_pages variants.
- "Fix incorrect access of hugetlb pte entries" (Dev Jain)
Enforce the consistent use of huge_ptep_get() instead of ptep_get()
for HugeTLB entries and fixes an unaligned address issue in arm64's
huge_ptep_get() implementation
- "mm/damon: validate all parameters in the core" (SJ Park)
Consolidate parameter validation into the DAMON core specifically
within damon_start() and damon_commit_ctx() to centralize error
checking, eliminate caller-side redundant checks and to improve
maintenance efficiency
- "tools/mm/page_owner_sort: fix filtering and cleanup issues" (Yichong
Chen)
Rename is_need() to filter_record() for clearer return semantics, fix
per-record allocation memory leaks and bound output copies in
search_pattern() to address an existing buffer issue
- "memcg: bail out reclaim when memcg is dying" (Jiayuan Chen)
Mitigate a system-wide stall which occurs when a cgroup is removed
while one of its memory control files is doing synchronous reclaim
- "mm/memory-failure: add panic option for unrecoverable pages" (Breno
Leitao)
Introduce an opt-in vm.panic_on_unrecoverable_memory_failure sysctl
that immediately panics the kernel on unrecoverable memory errors in
kernel-owned pages to preserve error context and prevent delayed,
silent data corruption
- "mm/damon: refactor damon_{start,stop,commit}() for simple error
handling" (SJ Park)
Refactor the DAMON core API functions to guarantee that all contexts
are fully stopped when damon_start(), damon_stop(), or damon_commit()
fail, eliminating the need for complex and error-prone caller-side
cleanup code
- "Keep tail page private zero at free and folio split" (Zi Yan)
Add checks to ensure tail_page->private is zero when freeing compound
or high-order pages and when promoting tail pages during large folio
splits. By validating these fields at free and split time, it allows
the removal of redundant private field clearing inside
prep_compound_tail()
- "mm: drop redundant lru_add_drain in anon folio reuse paths" (Barry
Song)
Eliminate redundant lru_add_drain() calls in
wp_can_reuse_anon_folio() and do_swap_page() to reduce LRU lock
contention and system overhead
By validating folio refcounts against the LRU cache before draining
and removing unnecessary drains in the swap path, it achieves up to a
30.5% reduction in drain calls during heavy swap workloads
- "mm: clean up folio LRU and swap declarations" (Jianyue Wu)
Reorganize folio LRU and swap code by relocating page-cluster state
to mm/swap_state.c, renaming mm/swap.c to mm/folio.c, and moving
MM-internal reclaim declarations into mm/internal.h.
- "userfaultfd: working set tracking for VM guest memory" (Kiryl
Shutsemau)
Add userfaultfd support for tracking the working set of VM guest
memory, so a VMM can identify hot pages and reclaim cold ones to
tiered or remote storage
- "mm: remove CONFIG_HAVE_BOOTMEM_INFO_NODE (Part 2)" (David
Hildenbrand)
Remove the remaining pieces of CONFIG_HAVE_BOOTMEM_INFO_NODE,
performing some smaller cleanups around freeing of reserved vmemmap
pages on the way.
- "mm/damon: update probe hits for runtime parameter commits" (SJ Park)
Ensure that DAMON's probe_hits attribute counter is properly updated
when monitoring intervals are changed at runtime, matching the
behavior of nr_accesses. To achieve this, it refactors and renames
existing helper functions for shared use, applies the updates to
probe_hits, and handles edge cases in damon_probe_hits_mvsum() to
maintain measurement accuracy.
- "KSM: performance optimizations for rmap_walk_ksm" (xu xin)
Resolve a severe KSM reverse-mapping performance bottleneck where
thousands of split VMAs sharing a single anon_vma cause extended lock
contention.
By adding an interval-filtering check during the rmap walk, it
reduces worst-case anon_vma lock hold times from over 500ms down to
under 2ms, preventing application freezes and latency spikes under
memory pressure.
- "mm: split a couple of headers from internal.h" (Mike Rapoport)
Split declarations related to mm_init, memblock, vmalloc and sparse
into new headers
- "KSM: use linear_page_index in collect_procs_ksm()" (xu xin)
Apply the interval tree optimization from rmap_walk_ksm() to
collect_procs_ksm() to avoid iterating over non-matching VMAs during
KSM memory error handling.
It hoists loop-invariant address initialization and restricts the
anon_vma_interval_tree_foreach walk to a targeted page offset range,
reducing redundant checks and improving lookup efficiency.
- "selftests/mm: avoid false failures in hugetlb and KSM tests" (Sayali
Patil)
Fix issues in the hugetlb and KSM MM selftest categories that can
report failures when the prerequisites for the tests are not
satisfied
- "mm/damon: introduce data attributes only monitoring" (SJ Park)
Introduce attribute-weighted region management in DAMON, allowing
users to prioritize specific data attributes (such as page sizes or
cgroups) over or instead of access monitoring.
By assigning weights to attribute probes, DAMON can completely
disable access tracking and adjust monitoring regions based on
weighted probe-hit counters to optimize monitoring quality for
attribute-focused workloads.
- "mm/hmm: Add mmap lock-drop support for userfaultfd-backed mappings"
(Stanislav Kinsburskii)
Extend hmm_range_fault() to support userfaultfd-backed regions by
allowing the mmap lock to be dropped during fault handling via a new
hmm_range_fault_locked() helper.
By accepting a locked pointer and signaling retry status when lock
release occurs, it enables page fault resolution in userfaultfd
regions while preserving backward compatibility for existing callers.
- "mm: make VMA page offset handling more consistent" (Lorenzo Stoakes)
Clean up and standardize how vma->vm_pgoff is accessed and
manipulated across file-backed and anonymous mappings in the kernel
It introduces dedicated helper functions such as vma_start_pgoff(),
vma_end_pgoff(), vma_set_pgoff() and linear_page_delta() while
renaming rmap interval tree helpers to better reflect their
functionality.
These changes establish a cleaner foundation for future work that
will unify virtual page offset indexing for all anonymous and CoW'd
folios.
- "mm: handle device-private PMDs in walk callbacks" (Usama Arif)
Address kernel panics and state corruption caused by MM walk
callbacks reaching non-present device-private PMD swap entries
created during HMM migrations
It ensures that functions which acquire pmd_trans_huge_lock()
properly recognize device-private PMDs instead of assuming a present
THP or a standard migration entry.
- "mm/rmap: Refactor try_to_unmap_one" (Dev Jain)
Refactor try_to_unmap_one by modularizing Hugetlb,
anonymous-lazyfree, and anonymous-swapbacked logic into dedicated
functions, laying the structural groundwork for batched anonymous
large folio unmapping.
- "Docs/ABI/damon: sysfs ABI document fixes and additions" (Song Hu)
Fix typos and fills in missing entries in the DAMON sysfs ABI
document
- "dax/kmem: atomic whole-device hotplug via sysfs" (Gregory Price)
Introduce an atomic sysfs state attribute and supporting DAX/MM
infrastructure to prevent userland races when offlining and removing
entire memory regions
By adding an unplugged state alongside standard online modes, it
enables whole-device atomic hotplug control while preserving backward
compatibility.
- "mm: convert more vm_flags_t users to vma_flags_t" (Lorenzo Stoakes)
Continue transitioning the kernel from the deprecated vm_flags_t type
to vma_flags_t across core memory management infrastructure.
It replaces legacy type usage in core functions such as do_mmap(),
unmapped area allocation, mm->def_vma_flags, and VMA operations like
mlock, mprotect, and mremap.
- "Two small patches to clean up mm/mm_slot.h" (xu xin)
Refactor mm_slot.h by introducing mm_slot_remove() to unify duplicate
slot deletion sequences in khugepaged and KSM. It also adds code
documentation explaining why mm_slot_lookup and mm_slot_insert must
remain as preprocessor macros rather than static inline functions.
- "mm/damon/core: hide core-private struct fields" (SJ Park)
Clean up DAMON core structures by consistently marking internal-only
fields with private: comment tags to prevent improper direct access
from outer layers.
It enforces encapsulation across core structures including
damon_region, damon_target, and damon_ctx and updates DAMON_SYSFS to
interact through approved access APIs instead of exposing raw struct
members.
- "mm/damon: unurgent fixes for infinite loop, NULL de-ref and races"
(SJ Park)
Address potential infinite loops, NULL dereferences, and race
conditions identified in DAMON
It fixes an infinite loop triggered by extreme user configurations, a
NULL pointer dereference within unit tests and minor monitoring
accuracy degradation caused by subtle runtime races.
- "mm/page_alloc: fixes for free_pages_nolock() on RT/UP" (Brendan
Jackman)
Fix an NMI safety flaw in __free_frozen_pages() where freeing pages
on non-SMP or PREEMPT_RT kernels can bypass can_spin_trylock() checks
via non-PCP or isolated migration paths.
It also resolves potential kernel crashes and privilege escalation
risks triggered when BPF tracing runs in NMI context alongside memory
hotplug or large allocation frees.
- "mm/page_alloc: couple of followups for recent cleanups" (Brendan
Jackman)
Clean up and update page allocator nomenclature, documentation, and
debug assertions.
It aligns internal FPI_ flags with the public "nolock" naming
convention, removes outdated internal implementation details from
high-level page allocator comments, and eliminates obsolete
VM_BUG_ON() assertions in allocation paths.
- "mm/mseal: further cleanups" (Lorenzo Stoakes)
Refactor and simplify the mseal implementation by clarifying API
boundaries and removing unnecessary code complexity.
It replaces generic do_mseal() usage outside the syscall with a
dedicated mseal_mmap_page_zero() helper for MMAP_PAGE_ZERO,
eliminates mm_struct parameters to enforce that sealing applies only
to current->mm, and streamlines overall logic and comments with no
functional changes intended.
- "mm/vmscan: fix swappiness=max and clean up per-node proactive
reclaim" (Ridong Chen)
Resolve reclaim behavior bugs and clean up function parameters across
memory reclaim paths
It fixes swappiness=max in both standard reclaim and MGLRU so
unswappable anonymous memory no longer falls back to evicting page
cache, ensures reclaim_store() returns accurate error codes instead
of collapsing all failures into -EAGAIN, and removes the obsolete
gfp_mask parameter from __node_reclaim().
- "mm: mincore: misc cleanups" (Kefeng Wang)
Clean up and simplifies the mincore code. Most importantly, it
removes the historical special behavior that always reports VM_PFNMAP
pages as non-resident.
- "mm/huge_memory: drop dead split helper variants" (Kiryl Shutsemau)
Two trivial cleanups in the folio split API
- "mm/damon: fix uninitialized DAMOS field and kunit exec expectation
bugs" (SJ Park)
Resolve minor operational and testing bugs in DAMON identified by
Sashiko. It initializes the damos->last_applied field to prevent
occasional efficiency degradation and fixes invalid memory accesses
in DAMON KUnit tests during test failure handling.
- "cleanup for stable_page_flags()" (Jinjiang Tu)
Clean up and refactor stable_page_flags() used by /proc/kpageflags
without altering functionality.
It uses BIT_ULL() to prevent shift-overflow warnings on 64-bit flag
bits, converts folio-specific flag checks to standard folio_test_*()
helpers, and removes redundant CONFIG_PAGE_IDLE_FLAG handling.
- "Batch unmap of uffd-wp file folios" (Dev Jain)
Extend batched folio unmapping support to file folios within
userfaultfd write-protect (uffd-wp) VMAs by adding batching
capabilities to pte_install_uffd_wp_if_needed().
This removes special-case restrictions on uffd-wp VMAs in
try_to_unmap_one(), significantly simplifying the function's control
flow and complexity.
- "mm/early_ioremap: clarify and clean up early_ioremap_reset()"
(Sang-Heon Jeon)
Clarify and clean up the architecture-specific usage of
__late_set_fixmap() and __late_clear_fixmap() after
early_ioremap_reset()
It adds explicit documentation regarding when early_ioremap_reset()
must be called and removes redundant macro definitions and reset
calls in the RISC-V and ARM64 architectures.
- "mm: fix reclaim storms in defrag_mode" (Johannes Weiner)
Address severe performance regressions, swap storms, and spurious
OOMs caused by vm.defrag_mode=1 under high memory pressure in Meta
production
It updates the page allocator slowpath so non-movable allocation
requests actively trigger direct reclaim and direct compaction at
pageblock_order scale, allowing them to claim whole pageblocks rather
than spinning unproductively.
- "zram: lockmap tweaks" (Sebastian Siewior)
Optimize and fix lockdep tracking for zram devices by consolidating
per-entry lockmaps and isolate lock classes across multiple instances
This reduces memory overhead by replacing per-entry lockdep_map
instances with a single map per struct zram, and assigns a dynamic
lock_class_key to each instance to prevent false deadlock reports
when different zram devices are backed by distinct filesystems.
* tag 'mm-stable-2026-08-18-18-39' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (501 commits)
selftests/mm: thuge-gen: fix test_shmget() for PAGE_SIZE check
selftests/mm: unpoison pages in memory-failure teardown
mm/shmem: downgrade final i_blocks check in shmem_evict_inode() to pr_warn()
mm/khugepaged: replace mutex_lock/mutex_unlock usage with guard macro
mm/zsmalloc: fix release order of locks in zs_page_migrate()
Documentation: zram: remove sections numbering
ksm: stop iterating VMAs when ksm_test_exit returns true
mm: fold userfaultfd_rwp() to false without CONFIG_ARCH_HAS_PTE_PROTNONE
mm/migrate: report RCU-tasks quiescent states in migrate_pages_batch()
zram: use a custom key for each zram object
zram: move lockmap to be per-zram instead per table
selftests/mm: fix gup_longterm EINVAL error message
mm: page_alloc: fix non-movable reclaim storm in defrag_mode
mm: page_alloc: move capture_control to the page allocator
mm: compaction: support non-movable compaction for pageblock requests
mm: page_alloc: __GFP_FS lockdep annotation for direct compaction
hugetlb: evaluate subpool free state while locked
mm/damon: remove trailing semicolons after function definitions
mm/damon/ops-common: prevent migration fallback to non-target nodes
mm/damon: update outdated comment about DAMOS filter handling
...
|
||
|
Linus Torvalds
|
6439079365 |
Probes updates for v7.3:
- probes: Advanced BTF typecasting and variable fetch enhancements
. Typecast support across probe events: Extended BTF typecasting syntax
(e.g., (STRUCT)PARAM->MEMBER) to kprobes, uprobes, and fprobes on
function entry and return.
. Nested typecasts: Added support for chaining and nesting typecasts up
to 3 levels, including casting registers and stack variables.
. Field specifier option: Added (STRUCT,FIELD) syntax to emulate
container_of(), allowing retrieval of parent structures from member
pointers.
. $current variable support: Introduced $current special variable to
access the running task_struct via BTF dereferencing.
. Per-CPU variable access: Added this_cpu_read() and this_cpu_ptr()
fetcharg methods to trace CPU-local data safely.
. Fetcharg bytecode dumper: Added CONFIG_PROBE_EVENTS_DUMP_FETCHARG to
dump the compiled fetcharg bytecode instructions as comments in
dynamic_events.
. Extended symbol name handling: Removed the MAX_COMMON_HEAD_LEN limit
and extended MAX_ARGSTR_LEN to 256 bytes, enabling probing of long
symbols, mangled Rust symbols and complex BTF expressions.
. eprobe variable syntax: Allowed eprobes to reference event fields
directly without requiring a '$' prefix.
. Cleanup unused parameters, redundant codes, duplicate macros and
pointer arithmetic.
. Use a ternary operator for simplifying fetch_type_from_btf_type().
- bootconfig / boottime-trace: Expanded dynamic probe support
. Added boot-time tracing configuration support for event probes
(eprobes), function probes (fprobes), and tracepoint probes
(tprobes).
. ftrace2bootconfig: Allowed comment lines ('#') in dynamic_events file.
- fprobe / kprobe: Optimization, robustness, and cleanups
. fprobe: Simplified fprobe_remove_ips() by reusing graph and ftrace
helpers.
. fprobe: Removed __packed attribute from struct __fprobe_header to avoid
unaligned memory access penalties on RISC architectures.
. kprobe & fprobe: Removed redundant memset() calls in perf event probe
handlers.
. kprobes: Replaced legacy __ASSEMBLY__ with __ASSEMBLER__ in header
files.
- selftests & refactoring:
. Refactored parse_probe_arg() and parse_probe_vars(), and eliminated
recursion in probe argument parsing to protect kernel stack depth.
. Added selftests for BTF typecasts and module probing without module
prefixes.
. Forced LC_ALL=C in ftracetest to prevent test failures on localized
systems.
. Refactored btf_type_skip_modifiers() to remove ignored id parameter.
. Sorted ERRORS list in trace_probe.h alphabetically.
. Fixed typo in fprobe docs, and trace_fprobe function name.
. Renamed FETCH_OP_DATA to FETCH_OP_IMMSTR.
. Made file offset error message probe-agnostic.
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Merge tag 'probes-v7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull probes updates from Masami Hiramatsu:
"BTF typecasting and variable fetch enhancements:
- Typecast support across probe events: Extended BTF typecasting
syntax (e.g., (STRUCT)PARAM->MEMBER) to kprobes, uprobes, and
fprobes on function entry and return
- Nested typecasts: Added support for chaining and nesting typecasts
up to 3 levels, including casting registers and stack variables
- Field specifier option: Added (STRUCT,FIELD) syntax to emulate
container_of(), allowing retrieval of parent structures from member
pointers
- $current variable support: Introduced $current special variable to
access the running task_struct via BTF dereferencing
- Per-CPU variable access: Added this_cpu_read() and this_cpu_ptr()
fetcharg methods to trace CPU-local data safely
- Fetcharg bytecode dumper: Added CONFIG_PROBE_EVENTS_DUMP_FETCHARG
to dump the compiled fetcharg bytecode instructions as comments in
dynamic_events
- Extended symbol name handling: Removed the MAX_COMMON_HEAD_LEN
limit and extended MAX_ARGSTR_LEN to 256 bytes, enabling probing of
long symbols, mangled Rust symbols and complex BTF expressions
- eprobe variable syntax: Allowed eprobes to reference event fields
directly without requiring a '$' prefix
- Cleanup unused parameters, redundant codes, duplicate macros and
pointer arithmetic
- Use a ternary operator for simplifying fetch_type_from_btf_type()
Expanded boot time dynamic probe support:
- Add boot-time tracing configuration support for event probes
(eprobes), function probes (fprobes), and tracepoint probes
(tprobes)
- Allow comment lines ('#') in dynamic_events file
Optimization, robustness, and cleanups:
- Simplify fprobe_remove_ips() by reusing graph and ftrace helpers
- Remove __packed attribute from struct __fprobe_header to avoid
unaligned memory access penalties on RISC architectures
- Remove redundant memset() calls in perf event probe handlers
- Replace legacy __ASSEMBLY__ with __ASSEMBLER__ in header files
Selftests & refactoring:
- Refactor parse_probe_arg() and parse_probe_vars(), and eliminate
recursion in probe argument parsing to protect kernel stack depth
- Add selftests for BTF typecasts and module probing without module
prefixes
- Force LC_ALL=C in ftracetest to prevent test failures on localized
systems
- Refactor btf_type_skip_modifiers() to remove ignored id parameter
- Sort ERRORS list in trace_probe.h alphabetically
- Fix typo in fprobe docs, and trace_fprobe function name
- Rename FETCH_OP_DATA to FETCH_OP_IMMSTR
- Make file offset error message probe-agnostic"
* tag 'probes-v7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace: (37 commits)
fprobe: Simplify fprobe_remove_ips() by reusing existing helpers
tracing/boot: Add support for eprobe, fprobe, and tprobe events
selftests/ftrace: Force C locale in ftracetest
tracing/probes: Treating longer symbol name on event comparation
docs: trace: fprobe: fix 'thos' spelling
tracing/probes: Fix extra whitespace in trace_probe_kernel.h
tracing/kprobe: Remove redundant memset in kprobe_perf_func()
tracing/fprobe: Remove redundant memset in fentry_perf_func()
tracing/fprobe: Remove redundant snprintf in trace_fprobe_match_command_head()
tracing/probes: Simplify BTF_KIND_PTR case in fetch_type_from_btf_type()
tracing/probes: Cleanup pointer arithmetic in store_trace_entry_data()
tracing/probes: Remove unused parameter from parse_probe_var_retval()
tracing/probes: Remove redundant bounds check in trace_probe_compare_arg_type()
tracing/probes: Remove redundant boolean conversion in trace_probe_has_single_file()
tracing/probes: Remove duplicate MAX_ARRAY_LEN macro definition
selftests/ftrace: Add test case for a symbol in a module without module name
tracing/probes: Eliminate recursion in parse_probe_arg()
tracing/probes: Extend max length of argument string
tracing/probes: Sort ERRORS list in trace_probe.h alphabetically
tracing/probes: Refactor parse_probe_arg()
...
|
||
|
Linus Torvalds
|
920f27122c |
CXL for v7.3
CXL core type2 support: cxl: Support dpa without a mailbox cxl: Support Type2 cxl regs mapping CXL test type2 support: cxl/test: Rework cxl_type2_mem_init() to use cxl_mock_platform_device_add() cxl/test: Add cxl_test accelerator driver cxl/test: Fixup hdm init for auto region to support type2 cxl/test: Propagate -ENOMEM on platform_device_alloc() failures cxl/test: Add hierarchy enumeration support for type2 device cxl/test: Refactor platform device enumerations cxl/test: Add type2 support for mock CFMWS0 cxl/test: Add test for module parameters CXL port error handling support prep patches: cxl: Rename find_cxl_port() to find_cxl_port_by_dport() cxl: Tighten CPER kfifo registration API and symbol visibility acpi/apei/ghes: Use raw_spinlock_t for CXL CPER work locks cxl/ras: Fix cxl_rch_get_aer_severity() wrong severity register cxl/ras: Fix cxl_rch_get_aer_info() out-of-bounds AER register read CXL misc patches: cxl/Documentation: Spell out globbed sysfs attribute names cxl/test: Assign one mock memdev a full-width serial number cxl/core: Format the memdev serial number as unsigned in TP_printk cxl/pmem: Format the nvdimm serial number as unsigned decimal cxl: Use %pe to print error pointers cxl: Deny Features commands on the RAW mailbox path CXL fixes: cxl/region: Use __free(put_device) in find_pos_and_ways() cxl/region: Fix use-after-free in find_pos_and_ways() error path cxl/features: Clamp Get Feature output size to the remaining buffer cxl/features: Reject Set Features output buffer smaller than the header cxl/features: Reject Get Feature count larger than the output buffer cxl/port: Restart port enumeration when a sibling adds the dport first cxl/features: Serialize multi-part Get/Set Feature transfers cxl/pci: Honor -EPROBE_DEFER from component register setup cxl/mbox: Break poison list loop on an empty payload cxl/memdev: Fix firmware upload exact-fit handling cxl/features: bound fwctl command payload to the input buffer cxl/mce: Make the MCE notifier per-region cxl/pci: Remove incorrect mbox.valid check in cxl_pci_type3_init_mailbox() cxl: docs/linux/dax-driver - fix typos cxl: fix mailbox return code description typo cxl/mbox: Clamp mailbox output allocation to the payload size -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEE5DAy15EJMCV1R6v9YGjFFmlTOEoFAmqDPQEACgkQYGjFFmlT OEqNBw/+LP25RACa3Jtwb53KtycNi/MzyVBXV311rDaBGzSKUixkO9LYCIV76lI/ 86x+U7+fmXBTmynD8lNwgVUw2P18xguYPe3bfn9qlmC2AZ6zmyeEzRU4p4BRzxTv iE9utK7DLetNRLGMnYIz3ziHLaSaZf0RslvecXF61y+nNhfd5N/pg52Bw1dUdpRi 91m8v0JJ+v+OtEKwCsinV4lck07WRmk+roCFFqcwIdR4GkhKBKiipf+Vv9EoR/k5 zBkhPazWFNKmnvf3VAY+vvo/Nh+wmHOrLqJUi5QYOQDXUGiJgt6/2JDVDBrY+QZL 1I7BN66d4PE7lQnYpZHnu/aSlhcV/QI/4tKRnt1eZ7kIFO0s7QbPo7Fg8+Ql+43m V/qYWPxC6BgQXHBYAcnvJZO6COL1EIG1+sGy+x6kInTn33KPBeit6Ru7c3wxmYFa jXfdrudfN+0fUtjEhrMb2IIxfhNV5O/wLQqlj2c8vXgRmZo9dElyyiIxOC87EnOG sWD2Z+4z9Id4egU6bU5iTdVdT+CW0WkUHAd9gtmYwlr9Ttrqh01CTu7vc0XEKyKS j5YU/3sV2H8KbU5PqVo9GeYRukylESe+w42+7UemBUSzX6OIDaiNNokmDt9L+Cg7 pdBr1qzjasR7XIDXNP9IRdkPKTgqDbSrg/gVIZJe+j7OsUHu0Nw= =6Bd/ -----END PGP SIGNATURE----- Merge tag 'cxl-for-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl Pull CXL updates from Dave Jiang: "This includes the remaining patches to complete the basic support for CXL type2 (accelerators) drivers by the CXL core. A set of unit testing support to catch regressions for the CXL core type2 exported functions has also been added. The actual CXL type 2 driver support for the AMD Solarflare NIC driver has been picked up by net-dev. A set of preparatory patches has been picked up from the CXL port error handling series in order to reduce the number of patches in that series for review. The rest of that series is getting close to be merged but was not ready for the 7.3 merge window. There are also a number of misc patches and a large number of bug fixes against pre-existing issues flagged by sashiko reviews as contributors post new patches on the mailing list. We will continue to work through the sashiko raised issues as they show up." * tag 'cxl-for-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl: (35 commits) cxl/Documentation: Spell out globbed sysfs attribute names cxl: Rename find_cxl_port() to find_cxl_port_by_dport() cxl: Tighten CPER kfifo registration API and symbol visibility acpi/apei/ghes: Use raw_spinlock_t for CXL CPER work locks cxl/ras: Fix cxl_rch_get_aer_severity() wrong severity register cxl/ras: Fix cxl_rch_get_aer_info() out-of-bounds AER register read cxl/test: Assign one mock memdev a full-width serial number cxl/core: Format the memdev serial number as unsigned in TP_printk cxl/pmem: Format the nvdimm serial number as unsigned decimal cxl: Use %pe to print error pointers cxl/region: Use __free(put_device) in find_pos_and_ways() cxl/region: Fix use-after-free in find_pos_and_ways() error path cxl: Deny Features commands on the RAW mailbox path cxl/features: Clamp Get Feature output size to the remaining buffer cxl/features: Reject Set Features output buffer smaller than the header cxl/features: Reject Get Feature count larger than the output buffer cxl/port: Restart port enumeration when a sibling adds the dport first cxl/features: Serialize multi-part Get/Set Feature transfers cxl/pci: Honor -EPROBE_DEFER from component register setup cxl/mbox: Break poison list loop on an empty payload ... |
||
|
Linus Torvalds
|
073e62fd33 |
RISC-V updates for v7.3
- Add initial definitions and discovery for the Smcsrind, Sscsrind, Smcntrpmf, Ssccfg, Smcdeleg, Zicclsm, Ziccamoa, Ziccif, Ziccrse, Za64rs, and Ssqosid RISC-V ISA extensions - Improve the RISC-V update_mmu_cache_range() implementation by using flush-by-ASID, enabling performance improvements on microarchitectures that support related optimizations; and by taking advantage of the Svinval RISC-V ISA extension on microarchitectures that support it - Shrink CFI shadow stack allocation further (to 512MB) to save virtual address space (and physical memory on systems with strict overcommit policies) - Add initial CPU context switch support for QoS tagging (Ssqosid) - Change our vector misaligned access speed test code to be synchronous, avoiding a bunch of bugs related to unnecessary asynchronicity - Enable ARCH_HAS_ACPI_TABLE_UPGRADE for RISC-V to help with ACPI table debugging (similar to ARM64 and x86) - Extract vDSO section offsets at build time, rather than run time, to avoid the boot time overhead - Use assembler directives to control the use of instructions from the RISC-V ISA extensions Zacas and Zabha, rather than compiler -march flags that could affect the whole kernel (similar to ARM64) - Add a kselftest for kprobes support for the c.jal instruction on RISC-V - When UEFI runtime services are available, use them to restart and power off - Fix ARCH_HAS_ACPI_TABLE_UPGRADE for RISC-V by adding a missing include file to the ACPI code - Move contiguous DMA memory reservation later in the boot, to ensure that the correct global and per-node pools are allocated when CONFIG_CMA_SIZE_PERNUMA is enabled - Disallow probes on breakpoint handlers to avoid recursing indefinitely into do_trap_break() - Patch the compat vDSO during runtime alternatives processing, not only the standard vDSO - Remove some leftover XIP support elements missed by commit |
||
|
Linus Torvalds
|
55ab7e1422 |
for-7.3/block-20260819
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Merge tag 'for-7.3/block-20260819' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux
Pull block updates from Jens Axboe:
- NVMe updates via Keith:
- Enable Clang context analysis for the nvme host driver, adding
context annotations across core, fabrics, rdma, tcp and pci
- nvmet reservation state exposed through a new namespace-level
debugfs directory, plus ABI documentation for the host sysfs and
target configfs interfaces
- nvme-tcp host memory disclosure fixes on the read path: reject a
read that transferred too few bytes, don't accept C2HData based
on blk_rq_payload_bytes() alone, and fix the R2T case for a read
command
- Parallelize nvme-rdma I/O queue allocation and startup (Surabhi)
- Apple nvme fixes and quirks: page aligned admin queue buffers,
destroy the admin queue on removal, and various DMA/NVMMU
correctness fixes
- A large pile of nvmet and host fixes for out-of-bounds reads,
refcount/resource leaks, and NULL derefs across auth, zns,
passthru, pci-epf, rdma and configfs
- Various other fixes and cleanups
- MD updates via Yu Kuai:
- llbitmap reshape support, the large series wiring exact bitmap
mapping and reshape lifecycle through raid5 and raid10, growing
the page cache in place, and remapping checkpointed bits as
reshape progresses
- raid5 fixes for lockless max_nr_stripes and recovery_offset
accesses, a reshape deadlock with more failed devices than max
degraded, and bitmap batch counter consistency
- Atomic write handling for raid1/raid10, and removal of the
REQ_NOWAIT support from raid1/10/456
- raid5-ppl use-after-free fix in ppl_do_flush()
- A batch of smaller fixes across md core and the bitmap code
- s390/dasd ESE full-track write support and the surrounding
infrastructure, plus enabling CONTEXT_ANALYSIS for s390/block
- RWF_DONTCACHE support for block devices, built on new task-context
bio completion infrastructure, and wiring it up for the iomap and
buffer dropbehind writeback paths
- Async io_uring zone reset all, plus zone management command cleanups
allowing REQ_NOWAIT and tightening conventional zone rejection
- Block integrity refactoring: lift BIP_CHECK_FLAGS to the shared
header, handle nogenerate/noverify properly in fs-integrity, and drop
the blk-integrity.h include from bdev.c
- Split out a new blk_plug.h header
- ublk improvements: add UBLK_F_IO_DESC_SIZE, split request validation
from io_desc init, reject non-power-of-2 zone sizes in SET_PARAMS,
and a series of hardening fixes around map/unmap and auto buf reg
- null_blk cleanups and configfs serialization fixes
- nbd queue freeze removal on the setup paths, and a new
pre_defined_connections module parameter for pre-created devices
- blk-cgroup fixes for the race between policy activation and blkg
destruction, and accounting per-cpu stats over possible CPUs across
blk-stat, iolatency, iocost and kyber
- Various dio fixes: leak on metadata mapping error, validate user
space vectors during extraction, and set dma_alignment from the
backing file for loop and zloop direct I/O
- bio cleanups
- Various other fixes and cleanups all over
* tag 'for-7.3/block-20260819' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux: (241 commits)
nbd: add pre_defined_connections module parameter for pre-created devices
nbd: remove queue freeze for newly created nbd from netlink path
nbd: factor out a nbd_genl_foreach_sock
nbd: skip queue freeze when setting size at device startup
nbd: remove queue freeze in nbd_add_socket
nbd: clear queue limits on disconnect
nbd: disallow NBD_SET_SOCK on an active device
nbd: simplify find_fallback() by removing redundant logic
blk-mq: add missing call to srcu_barrier() in blk_mq_free_tag_set()
block: mtip32xx: synchronize ioctls with device removal
ublk: avoid teardown retry loop on xarray allocation failure
null_blk: fix UBSAN shift-out-of-bounds when zone_size is 0 or overflows
block: don't include blk-integrity.h in bdev.c
xfs: avoid double deferrals for RWF_DONTCACHE writes
loop: Fix recently introduced lock inversion
block: set QUEUE_FLAG_DYING unconditionally in blk_mark_disk_dead()
swim3: Add missing MODULE_DESCRIPTION
selftests: ublk: add SET_PARAMS validation test
selftests: ublk: add helper for SET_PARAMS
ublk: reject non-power-of-2 zone sizes in SET_PARAMS
...
|
||
|
Linus Torvalds
|
c84d3e3130 |
Various ext4 updates for 7.3-rc1, including:
* Improve performance by allowing parallel DIO writes when we were
previously being overly conservative when checking whether it was safe
to avoid requiring an exclusive lock
* Improve the performance of ext4_mb_prefetch() used by fallocate() by
avoiding work when it is not needed
* Remove the unnecessary custom end_io function ext4_end_buffer_io_sync()
* Improve performance when performing an overwrite to an already uptodate folio
* Clean up how we handle deallocating EA inodes to avoid a potential
lock ordering issue when there is a failed mount while an EA inode is
still being evicted.
* Use str_plural() instead of a custom macro
* Avoid soft lockups or RCU stalls if there are many busy buffers
(caused by heavy I/O) while checkpointing
* Use scoped NOFS when starting a handle in nojournal mode
* Align fields in handle structure to optimize setting and getting
the h_type and h_line_no fields
* Fix documentation of the meta_bg block group layout
* Bug fixes, including
- Fix a potential out-of-bounds read in ext4_read_inline_dir()
- Fix a potential deadlock when concurrent xattr operations are racing
with each other when some of the xattrs are using the ea_inode feature.
- Fix a spurious warning with data=journal that can be triggered when
writeback races with remounting the file system read-only
- Fix a potential deadlock when EXT4_IOC_MIGRATE races with a file system
freeze operation
- Make sure all in-flight direct I/O operations are complete before
falling back to buffered I/O.
- Handle IOCB_NOWAIT properly when performing a extending DAX write
- Prevent potentially sleeping on a block allocation when
IOCB_NOWAIT is set
- Fix potential races when racing an inline data write with a page fault
- Propagate errors when adding or removing extent ranges
during a fast commit replay
- Avoid trying to expand an inode's extra size when it is being
evicted to avoid a number of corner case or deadlocks
- Avoid spurious error when retrying inode extra size expansion
- Fix corner cases where we underestimate the number of journal
credits needed
- Avoid hangs/crashes/WARNINGS caused by maliciously corrupted
file systems
- Don't issue spurious orphan clean message on RO file systems
- Avoid leaving the file system in an inconsistent state after a
crash when a WRITE_ZEROS in progress converting an unwritten
extent to a written extent
- Handle WRITE_ZEROS correctly when there are some partially dirtied
regions in the page cache
- Pass errors during zero-rage, truncate, or punch hole to the caller
if ext4_get_block() fails
- Wait for writeback to finish when triggered by zero-range or
zero-range for those devices that require stable writes
- If the reserved gid superblock field is set, set the reserved gid
instead of the reserved uid
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Merge tag 'ext4_for_linus-7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Pull ext4 updates from Ted Ts'o:
- Improve performance by allowing parallel DIO writes when we were
previously being overly conservative when checking whether it was
safe to avoid requiring an exclusive lock
- Improve the performance of ext4_mb_prefetch() used by fallocate() by
avoiding work when it is not needed
- Remove the unnecessary custom end_io function
ext4_end_buffer_io_sync()
- Improve performance when performing an overwrite to an already
uptodate folio
- Clean up how we handle deallocating EA inodes to avoid a potential
lock ordering issue when there is a failed mount while an EA inode is
still being evicted
- Use str_plural() instead of a custom macro
- Avoid soft lockups or RCU stalls if there are many busy buffers
(caused by heavy I/O) while checkpointing
- Use scoped NOFS when starting a handle in nojournal mode
- Align fields in handle structure to optimize setting and getting the
h_type and h_line_no fields
- Fix documentation of the meta_bg block group layout
- Bug fixes:
- Fix a potential out-of-bounds read in ext4_read_inline_dir()
- Fix a potential deadlock when concurrent xattr operations are
racing with each other when some of the xattrs are using the
ea_inode feature
- Fix a spurious warning with data=journal that can be triggered
when writeback races with remounting the file system read-only
- Fix a potential deadlock when EXT4_IOC_MIGRATE races with a file
system freeze operation
- Make sure all in-flight direct I/O operations are complete before
falling back to buffered I/O
- Handle IOCB_NOWAIT properly when performing a extending DAX write
- Prevent potentially sleeping on a block allocation when
IOCB_NOWAIT is set
- Fix potential races when racing an inline data write with a page
fault
- Propagate errors when adding or removing extent ranges during a
fast commit replay
- Avoid trying to expand an inode's extra size when it is being
evicted to avoid a number of corner case or deadlocks
- Avoid spurious error when retrying inode extra size expansion
- Fix corner cases where we underestimate the number of journal
credits needed
- Avoid hangs/crashes/WARNINGS caused by maliciously corrupted file
systems
- Don't issue spurious orphan clean message on RO file systems
- Avoid leaving the file system in an inconsistent state after a
crash when a WRITE_ZEROS in progress converting an unwritten
extent to a written extent
- Handle WRITE_ZEROS correctly when there are some partially dirtied
regions in the page cache
- Pass errors during zero-rage, truncate, or punch hole to the
caller if ext4_get_block() fails
- Wait for writeback to finish when triggered by zero-range or
zero-range for those devices that require stable writes
- If the reserved gid superblock field is set, set the reserved gid
instead of the reserved uid
* tag 'ext4_for_linus-7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: (56 commits)
ext4: fix estimate extent index blocks in ext4_ext_index_trans_blocks()
ext4: fix transaction overflow during writeback
ext4: teach ext4_meta_trans_blocks() about number of allocated extents
ext4: guard against NULL s_group_info in ext4_get_group_info
ext4: fix spurious message about orphan cleanup on RO fs
ext4: stop retrying saturated xattr cache entries
ext4: don't enable DAX on new encrypted files
ext4: protect WRITE_ZEROES written extents with orphan list
ext4: export converted block count from ext4_convert_unwritten_extents()
ext4: fix incorrect function call when initializing s_resgid
ext4: validate EA inode i_nlink in ext4_xattr_inode_iget
jbd2: align h_type and h_line_no in the handle structure on byte boundaries
ext4: enable scoped NOFS when starting a handle in nojournal mode
ext4: write back partial-zeroed edges in WRITE_ZEROES
ext4: zero out whole block for clean edges in WRITE_ZEROES
ext4: track partial-zero outcome per edge in ext4_zero_partial_blocks()
ext4: clarify return semantics of ext4_load_tail_bh()
ext4: move partial block zeroing earlier in ext4_zero_range()
ext4: check return value of ext4_get_block() in ext4_load_tail_bh()
ext4: skip tail block zeroing for inline data files
...
|
||
|
Linus Torvalds
|
d141ec2825 |
NFSD 7.3 Release Notes
Jeff Layton contributed CB_NOTIFY support to NFSD's NFSv4.1
directory delegations. The server used to recall a delegation as
soon as the directory changed. NFSD now watches delegated
directories through fsnotify and reports adds, removes, renames,
and directory attribute changes, carrying the filehandle and
attributes of the affected entry, so clients can keep their
caches. Some of the NOTIFY4 flags come from RFC 8881bis.
Jeff Layton also continued the netlink work that started in v7.2.
A new server-stats-get operation reports what /proc/net/rpc/nfsd
publishes, plus NFSv4 callback counts, and SUNRPC now keeps its
per-procedure call counts per network namespace, so a container
sees its own numbers. nfsstat reads all of this over netlink, with
a procfs fallback for older kernels.
SUNRPC's service thread pool mode selection is gone. Pernode is
the right choice on any host we run today, so the auto, global,
and percpu modes have been removed. A single-node host still gets
one pool. A multi-NUMA host now gets a pool per node.
sunrpc.pool_mode accepts the old names but no longer selects
anything.
The rest is bug fixes, clean-ups, and small optimizations: an
async COPY offload rework from Jeff Layton, more use-after-free
fixes in the NFSv4 state revocation paths, percpu counter
contention removed from the reply cache and IO accounting, and a
long list of hardening fixes from Chris Mason. Sincere thanks to
all contributors, reviewers, testers, and bug reporters who
participated in the v7.3 NFSD development cycle.
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Merge tag 'nfsd-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux
Pull nfsd updates from Chuck Lever:
- CB_NOTIFY support for NFSD's NFSv4.1 directory delegations
The server used to recall a delegation as soon as the directory
changed. NFSD now watches delegated directories through fsnotify and
reports adds, removes, renames, and directory attribute changes,
carrying the filehandle and attributes of the affected entry, so
clients can keep their caches. Some of the NOTIFY4 flags come from
RFC 8881bis (Jeff Layton)
- Continued netlink work
A new server-stats-get operation reports what /proc/net/rpc/nfsd
publishes, plus NFSv4 callback counts, and SUNRPC now keeps its
per-procedure call counts per network namespace, so a container sees
its own numbers. nfsstat reads all of this over netlink, with a
procfs fallback for older kernels (Jeff Layton)
- Remove SUNRPC service thread pool mode selection
Per node is the right choice on any host we run today, so the auto,
global, and percpu modes have been removed. A single-node host still
gets one pool. A multi-NUMA host now gets a pool per node.
sunrpc.pool_mode accepts the old names but no longer selects
anything.
- Bug fixes, clean-ups, and small optimizations:
- async COPY offload rework (Jeff Layton)
- more use-after-free fixes in the NFSv4 state revocation paths
- percpu counter contention removed from the reply cache and IO
accounting
- a long list of hardening fixes (Chris Mason)
Sincere thanks to all contributors, reviewers, testers, and bug
reporters who participated in the v7.3 NFSD development cycle.
* tag 'nfsd-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux: (182 commits)
nfsd: export NFSv4 callback op stats via netlink
nfsd: count NFSv4 callback operations per netns
sunrpc: remove unused svc_version vs_count field
nfsd: implement server-stats-get netlink handler
sunrpc: use per-net counts in svc_seq_show()
sunrpc: add per-netns per-procedure call counts to svc_stat
NFSD: Document reply_cache_stats ABI
NFSD: Eliminate percpu counter contention in IO byte accounting
NFSD: Eliminate percpu counter contention in reply cache statistics
NFSD: Eliminate percpu counter contention in DRC memory accounting
NFSD: Fix off-by-one in DRC bucket pruning limit
NFSD: Relocate NFSv4 "supported attributes" to new header
NFSD: Relocate nfsd4_set_netaddr()
NFSD: Relocate nfsd_user_namespace()
NFSD: Move struct readdir_cd
NFSD: Move the export.h include from nfsd.h to auth.c
NFSD: Remove '#include "nfsd.h"' from fs/nfsd/cache.h
NFSD: include "netns.h"
NFSD: Explicitly include "stats.h"
NFSD: Make "stats.h" self-contained
...
|
||
|
Linus Torvalds
|
8f421dfec2 |
Changes since last update:
- Allow source fds via fsconfig(), in addition to source paths - Use dedicated metadata inodes for file-backed mounts - Disallow invalid interlaced ztailpacking pclusters - Validate on-disk compression algorithm IDs against supported ones - Fix unused pcluster pools on higher page-size platforms -----BEGIN PGP SIGNATURE----- iQJFBAABCgAvFiEEQ0A6bDUS9Y+83NPFUXZn5Zlu5qoFAmqD0icRHHhpYW5nQGtl cm5lbC5vcmcACgkQUXZn5Zlu5qryQA/+L588+cfcFeLOEdugWWAwxIMcC6UZQza3 /XQD+jzlBbK/d1TQs3H9rdIibo9+5WVOG9cME4oS195Q+Di29/BmEfqYCvjwXZDr mUrl68TdsPw7fI2vCpLRduCJPXpURqJYBX77G2NfWcfFNNjZykNBOe9OAHgbBqwI 7+UmhxvRB2TvZidZ2OhCXC02dcSBcHifscniLbC9XFdhKKRgEC5Zk8jrJ+YoSIfF R7aa8zrAe1I7AI09aRPKTwjiDCueBvqE72tKodXtYr+Ay0TPWEzVZpFMPW3fjGzb TDAWPfA5oK7U7L+euGaILFXOrBnfyfc+iH1P4t6jsbFVZTemvVKv/mO/Rk3vUj+l riwDH/ZPrQguPjpMuQrXCEtFd+zEfhSpXVMYNU1MBgiPnB/Puts6C89UYtyueYf8 9nNSrKsdeZnxiimx/VnYvBNz+8l7tonvcykDLZkM7tJ6PhjyO64GzivRwN0QqctU JygsXTEBbVPHf6degKpxbx2J2FyH+Nr3tBcq/eIQqI2wENwr+qUyfQ4zmlPpQCoS fAIHqdmo2TMZYNcLT5sG1+xScETiTPvSWXsBr4iPpqWCA/QiY7rhbkTN+A0DNMcw utw9LydnlV6ERt0s56e+jmyNdgf5idkxDN/7uzvregIVCxlVCZpluNny3MBgpTPN RqhyM+v00Jk= =jqEn -----END PGP SIGNATURE----- Merge tag 'erofs-for-7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs Pull erofs updates from Gao Xiang: "The most notable enhancement is to allow passing source fds via fsconfig() for composefs. The others are all various fixes: - Allow source fds via fsconfig(), in addition to source paths - Use dedicated metadata inodes for file-backed mounts - Disallow invalid interlaced ztailpacking pclusters - Validate on-disk compression algorithm IDs against supported ones - Fix unused pcluster pools on higher page-size platforms" * tag 'erofs-for-7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs: erofs: fix unused pcluster_pools for higher page sizes erofs: guard on-disk algorithm IDs against Z_EROFS_COMPRESSION_MAX erofs: fix interlaced ztailpacking pclusters erofs: use dedicated meta inodes for file-backed mounts erofs: accept source file descriptor via fsconfig erofs: fix typo in error messages |
||
|
Linus Torvalds
|
11260c335e |
sched_ext: Changes for v7.3
This depends on the arena argument support in the BPF tree and should be
pulled after the scheduler core and BPF pulls. The patches based on bpf-next
were kept on a separate branch which was merged into for-7.3 just now. The
same merged result was in linux-next for several days.
Most of this cycle completes the enqueue-path support for hierarchical
sub-scheduling, which makes sub-scheduler support feature complete: a root
BPF scheduler can now hand a cgroup subtree over to a nested sub-scheduler
together with revocable CPU grants, and the sub-scheduler owns all
scheduling decisions for its tasks on those CPUs.
Development volume was high and a number of changes plugging holes in the
new support landed late in the cycle. Also included are core scheduling
fixes that were completed too late for the v7.2 release and are routed
through this pull request.
- Sub-scheduler CPU delegation:
- Parent schedulers now grant and revoke per-CPU capabilities (enqueueing,
preemption, CPU frequency control) on their children, enforced on every
path a scheduler can reach a CPU through. Previously only dispatching
could be delegated; this lets sub-schedulers fully schedule their CPUs.
- Rescue execution: a task whose scheduler doesn't have access to the CPUs
the task needs to run on starved until the watchdog ejected the whole
scheduler. The kernel now runs such tasks directly on a small bandwidth
budget, turning a scheduler-killing failure into bounded degradation.
- Cgroup integration: tasks migrating across a sub-scheduler boundary
weren't re-homed to the new owner, causing wrong-scheduler scheduling
and a use-after-free. Sub-schedulers now take over their cgroup subtree
and receive its cgroup callbacks.
- Arena objects now cross the kernel/BPF boundary as typed pointer
arguments, translated transparently by the BPF tree's new arena argument
support, replacing untyped arguments with manual translation.
- scx_qmap now demonstrates full hierarchical sub-scheduling.
- Robustness improvements: the abort path is now NMI-safe, fixing deadlocks
when errors are raised from NMI context and making hardlockup recovery
direct. Reenqueue loops that could monopolize a CPU ahead of the watchdog
now eject the offending scheduler, and stalls are blamed on the scheduler
actually responsible.
- Hardening: BPF-writable arena memory is validated before kernel use, and
task slice and vtime writes got explicit synchronization rules, closing
corruption vectors open to buggy or malicious schedulers.
- Core scheduling: sched_ext dispatching can drop the rq lock inside the
core-wide pick, which let interleaving selections corrupt each other's
state and hard-hang the machine. The selection now restarts when the lock
was released. The task ordering callback was also invoked with its
arguments swapped, and the default ordering is updated to work across
sub-scheduler boundaries. The fixes are marked for stable.
- Other fixes headed for stable: a task init leak on fork failure during
enable, tooling compat macros that silently failed to detect newer
kernels, and a crash on reenqueueing against a destroyed dispatch queue.
- Tooling: scx_pair moves off deprecated callbacks, and the deprecated
scx_bpf_cpu_rq() kfunc is removed.
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Merge tag 'sched_ext-for-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/sched_ext
Pull sched_ext updates from Tejun Heo:
"Most of this cycle completes the enqueue-path support for hierarchical
sub-scheduling, which makes sub-scheduler support feature complete: a
root BPF scheduler can now hand a cgroup subtree over to a nested
sub-scheduler together with revocable CPU grants, and the
sub-scheduler owns all scheduling decisions for its tasks on those
CPUs.
Development volume was high and a number of changes plugging holes in
the new support landed late in the cycle. Also included are core
scheduling fixes that were completed too late for the v7.2 release and
are routed through this pull request.
Sub-scheduler CPU delegation:
- Parent schedulers now grant and revoke per-CPU capabilities
(enqueueing, preemption, CPU frequency control) on their children,
enforced on every path a scheduler can reach a CPU through.
Previously only dispatching could be delegated; this lets
sub-schedulers fully schedule their CPUs.
- Rescue execution: a task whose scheduler doesn't have access to the
CPUs the task needs to run on starved until the watchdog ejected
the whole scheduler. The kernel now runs such tasks directly on a
small bandwidth budget, turning a scheduler-killing failure into
bounded degradation.
- Cgroup integration: tasks migrating across a sub-scheduler boundary
weren't re-homed to the new owner, causing wrong-scheduler
scheduling and a use-after-free. Sub-schedulers now take over their
cgroup subtree and receive its cgroup callbacks.
- Arena objects now cross the kernel/BPF boundary as typed pointer
arguments, translated transparently by the BPF tree's new arena
argument support, replacing untyped arguments with manual
translation.
- scx_qmap now demonstrates full hierarchical sub-scheduling.
Other fixes and updates:
- Robustness improvements: the abort path is now NMI-safe, fixing
deadlocks when errors are raised from NMI context and making
hardlockup recovery direct. Reenqueue loops that could monopolize a
CPU ahead of the watchdog now eject the offending scheduler, and
stalls are blamed on the scheduler actually responsible.
- Hardening: BPF-writable arena memory is validated before kernel
use, and task slice and vtime writes got explicit synchronization
rules, closing corruption vectors open to buggy or malicious
schedulers.
- Core scheduling: sched_ext dispatching can drop the rq lock inside
the core-wide pick, which let interleaving selections corrupt each
other's state and hard-hang the machine. The selection now restarts
when the lock was released. The task ordering callback was also
invoked with its arguments swapped, and the default ordering is
updated to work across sub-scheduler boundaries. The fixes are
marked for stable.
- Other fixes headed for stable: a task init leak on fork failure
during enable, tooling compat macros that silently failed to detect
newer kernels, and a crash on reenqueueing against a destroyed
dispatch queue.
- Tooling: scx_pair moves off deprecated callbacks, and the
deprecated scx_bpf_cpu_rq() kfunc is removed"
* tag 'sched_ext-for-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/sched_ext: (144 commits)
sched_ext: Drop the dead SCX_DEQ_CORE_SCHED_EXEC test in dequeue_task_scx()
sched_ext: Make core-sched task ordering hierarchy-aware
sched_ext: Use runnable_at for the default core-sched task ordering
sched_ext: Fix inverted ops.core_sched_before() invocation
sched_ext: Move the config-off sub-cap kfunc stubs into sub.c
sched_ext: Rename balance-era identifiers to dispatch terms
sched_ext: Drop the stale keep_prev fixup in dispatch_pick()
sched_ext: Keep kick_sync waiting on the rq's own CPU
sched_ext: Make SCHED_CLASS_EXT select GENERIC_ALLOCATOR
sched_ext/scx_flatcg: Fix cvtime true-up on slice expiry
sched_ext: Don't BUG_ON a destroyed DSQ in process_deferred_reenq_users
sched_ext: Fix scx_bpf_dsq_move_to_local___v2 compat detection
sched_ext: Make scx_bpf_events() read the calling scheduler's counters
sched_ext: Drop unlocked scx_rq_clock_invalidate() from scx_root_disable()
selftests/sched_ext: Fix flaky ddsp failure tests on busy systems
selftests/sched_ext: Make numa idle validation race-free
sched_ext: Fix scx_bpf_dsq_reenq___compat kfunc extern prototype
sched_ext/scx_flatcg: expire cached hweights on weight changes
sched_ext: Fix exit_task leak on fork failure during enable
sched_ext: fix stale references in doc comments
...
|
||
|
Linus Torvalds
|
40d8c81577 |
cgroup: Changes for v7.3
- cpuset:
- Attach path bug fixes: migrations spanning multiple source or
destination cpusets were mishandled, most visibly leaving thread
affinities stale when the controller is disabled in a threaded subtree.
Configuration writes could also race an in-flight attach and apply stale
state, and the deadline task count could get corrupted by concurrent
updates, skewing SCHED_DEADLINE admission decisions.
- Memory binding bug fixes: which node masks get applied differed between
the binding update paths, and tasks cloned with CLONE_INTO_CGROUP
skipped rebinding entirely. Rebinding also now runs once per process
instead of repeating for every thread sharing the mm.
- Overhead removals with no behavior change: CPU hotplug iterated tasks of
cpusets that just inherit the parent's effective masks, and the
slab-spreading task flag was still being maintained although the SLAB
allocator that consumed it is long gone.
- Data-race annotations for benign races so that KCSAN reports stay
meaningful, selftest coverage for the fixes above along with flakiness and
portability fixes, and documentation corrections.
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Merge tag 'cgroup-for-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
Pull cgroup updates from Tejun Heo:
- Attach path bug fixes: migrations spanning multiple source or
destination cpusets were mishandled, most visibly leaving thread
affinities stale when the controller is disabled in a threaded
subtree. Configuration writes could also race an in-flight attach and
apply stale state, and the deadline task count could get corrupted by
concurrent updates, skewing SCHED_DEADLINE admission decisions.
- Memory binding bug fixes: which node masks get applied differed
between the binding update paths, and tasks cloned with
CLONE_INTO_CGROUP skipped rebinding entirely. Rebinding also now runs
once per process instead of repeating for every thread sharing the
mm.
- Overhead removals with no behavior change: CPU hotplug iterated tasks
of cpusets that just inherit the parent's effective masks, and the
slab-spreading task flag was still being maintained although the SLAB
allocator that consumed it is long gone.
- Data-race annotations for benign races so that KCSAN reports stay
meaningful, selftest coverage for the fixes above along with
flakiness and portability fixes, and documentation corrections.
* tag 'cgroup-for-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup: (34 commits)
selftests/cgroup: Remove redundant chown in test_cgcore_lesser_ns_open
selftests/cgroup: Preserve CPU hotplug write errors
cgroup/cpuset: Add test for partition root invalidation returning wrong CPUs
cgroup/cpuset: Remove obsolete PFA_SPREAD_SLAB task flag
docs: cgroup-v2: fix stale "io" controller introduction
selftests/cgroup: Avoid awk -e in cpuset tests
cgroup/cpuset: Use WRITE_ONCE() for shared prs_err updates
selftests/cgroup: add user_usec sanity check in test_cpucg_nice
cgroup: drop unneeded semicolon
docs: cgroup-v2: mark memory.pressure and io.pressure as read-write
selftests/cgroup: Fix minor defects in test_cpuset
Docs/admin-guide/cgroup-v2: fix delay_nsec unit in io.latency doc
selftests/cgroup: Remove redundant cg_enter_current() call in test_core
selftests/cgroup: Add test for cpuset affinity on controller disable
cgroup/cpuset: Handle the special case of non-moving tasks in cpuset_can_attach()
cgroup/cpuset: Support multiple destination cpusets for cpuset_*attach()
selftests/cgroup: fix missing TAP output in test_hugetlb_memcg
cgroup/cpuset: Support multiple source cpusets for cpuset_*attach()
cgroup/cpuset: Move mpol_rebind_mm/cpuset_migrate_mm() calls inside cpuset_attach_task()
cgroup/cpuset: Make attach_ctx.old_cs track task group leader
...
|
||
|
Linus Torvalds
|
39e34e88ec |
workqueue: Changes for v7.3
- Worker wakeups moved out of pool->lock on the hot paths, shortening lock hold times. The wakeup can be expensive on arm64 due to the idle wakeup IPI, and the change improves the workqueue microbenchmark there by up to 10%. - Stall diagnostics now report pools stuck with no running worker, with a backtrace of what the CPU is executing and the likely culprit worker, instead of dumping every in-flight worker. - Preparation for turning per-cpu workqueues into an affinity scope of unbound workqueues instead of a separate backend. - Race annotations for KCSAN and sparse warnings, and doc and monitoring script fixes. -----BEGIN PGP SIGNATURE----- iIQEABYKACwWIQTfIjM1kS57o3GsC/uxYfJx3gVYGQUCaoNxSg4cdGpAa2VybmVs Lm9yZwAKCRCxYfJx3gVYGWDfAP4tp2XFrNOOai4aCcWivKV99Arb0YFdjozM4vjX rx3HCwEAiwfLTduv+ZeLHYTIm3V3Nxrf246fitSEYUknb+Cx8QE= =XrZO -----END PGP SIGNATURE----- Merge tag 'wq-for-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq Pull workqueue updates from Tejun Heo: - Worker wakeups moved out of pool->lock on the hot paths, shortening lock hold times. The wakeup can be expensive on arm64 due to the idle wakeup IPI, and the change improves the workqueue microbenchmark there by up to 10% - Stall diagnostics now report pools stuck with no running worker, with a backtrace of what the CPU is executing and the likely culprit worker, instead of dumping every in-flight worker - Preparation for turning per-cpu workqueues into an affinity scope of unbound workqueues instead of a separate backend - Race annotations for KCSAN and sparse warnings, and doc and monitoring script fixes * tag 'wq-for-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq: (23 commits) workqueue: annotate racy p->wake_cpu accesses in kick_pool_pick() workqueue: BUG_ON() instead of returning NULL in wq_node_nr_active() workqueue: use RCU accessors when populating wq->cpu_pwq workqueue: use rcu_dereference_sched() in workqueue_congested() workqueue: skip the node_nr_active update for non-unbound workqueues workqueue: rename alloc_unbound_pwq() to alloc_pwq() workqueue: allocate attrs for all workqueues workqueue: rename wq->unbound_attrs to wq->attrs workqueue: test WQ_UNBOUND explicitly in the hotplug loops workqueue: account nr_active by the backing pool workqueue: release pwq pools by pool type workqueue: factor out alloc_and_link_percpu_pwqs() workqueue: factor out get_percpu_pool() docs: workqueue: Fix bracket workqueue: annotate racy sum_exec_runtime reads for CPU-intensive detection workqueue: annotate racy PWQ_STAT_CPU_TIME update in wq_worker_tick() workqueue: dump the last woken worker for stalled pools workqueue: trigger a single-CPU backtrace for stalled pools workqueue: only show running workers in stall diagnostics workqueue: defer the worker wakeup outside pool->lock in process_one_work() ... |
||
|
Linus Torvalds
|
72fdff1416 |
It has been a not-too-busy cycle for docs; here's the highlights:
- A (hopefully) consensus change to our LLM-attribution requirements,
removing the specific model name from the Assisted-by tag.
- A couple of new realtime documents
- Various docs-build-system fixes
- Ongoing work with the Chinese, Portuguese, and Japanese translations.
...and lots of typo fixes, grammar tweaks, etc.
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Merge tag 'docs-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/docs/linux
Pull documentation updates from Jonathan Corbet:
"It has been a not-too-busy cycle for docs; here's the highlights:
- A (hopefully) consensus change to our LLM-attribution requirements,
removing the specific model name from the Assisted-by tag
- A couple of new realtime documents
- Various docs-build-system fixes
- Ongoing work with the Chinese, Portuguese, and Japanese
translations
...and lots of typo fixes, grammar tweaks, etc"
* tag 'docs-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/docs/linux: (85 commits)
Doc: admin-guide: pm: Remove unnecessary backticks and fix a spell
Documentation: Extend the real-time hardware bits with some firmware bits
docs: pt_BR: Reorganize process/index.rst to follow english structure
docs: conf.py: fix the 'utf-8' typo
doc tools: fix 'path' typos
Documentation: real-time: Add kernel configuration guide
docs: python: abi_regex: convert adjacent index placeholders
docs: python: abi_regex: catch the right exception for a bad regex
docs: sphinx-build-wrapper: include localversion in kernel version string
Documentation: html: adjust sidebar section titles styling
Documentation: html: show sections in the sidebar
checkpatch.pl: adapt to new Assisted-by: format
MAINTAINERS: update Traditional Chinese documentation maintainers
docs: pt_BR: process: Translate CVE documentation
docs: pt_BR: translate the management-style.rst to Brazilian Portuguese
docs: xforms_lists: support DEFINE_IDTENTRY_IRQ()
coding-assistants: simplify attribution
docs: translations: pt_BR: translate email-clients.rst
docs: pt_BR: process: Translate the security-bugs.rst
doc:it_IT: align doc-guide translation
...
|
||
|
Linus Torvalds
|
91ec203513 |
Networking changes for 7.3.
Core & protocols
----------------
- A few steps lowering rtnl_lock dependence:
- per-netns netdev unregistration for select SW drivers
(e.g. veth, ipvlan, tunnels)
- rtnl_lock-less FIB rule changes (RTM_NEWRULE and RTM_DELRULE)
- prepare software drivers and TC qdiscs for rtnl_lock-less GET
- Support BIG TCP (>64kB TSO) in UDP tunnels (vxlan, geneve).
- Support buffers larger than PAGE_SIZE in devmem zero-copy API.
- Improve MPTCP handling of extreme memory pressure handling,
when out-of-order queue had to be pruned.
- Report the per-group user count via RTM_GETMULTICAST.
- Expose the route deletion reason in RTM_DELROUTE.
- Add a SO_RIGHTS_NOTRUNC option to UNIX sockets to enable more useful
handling of LSM denials when receiving SCM_RIGHTS messages: instead
of truncating the message at the first blocked fd, keep every fd slot
and store the LSM errno in the blocked slot.
- IPv6 Segment Routing - support looking up the post-encap SID
(address) in a different/specified routing table.
- Support PRP RedBox (interlink) creation.
- Support per-nexthop UDP dst port in VXLAN.
- Continue converting getsockopt callbacks in a number of protocols
to iov_iter.
Ethernet
--------
- Marge initial CXL support for AMD/Solarflare NICs (shared branch
with the CXL tree).
- New drivers:
- ADIN1140 10BASE-T1S MACPHY
- Initial skeleton of Intel iXD and ZTE Dinghai drivers.
- High-speed NICs:
- AMD/Pensando:
- support firmware flashing
- Cisco (enic):
- SR-IOV V2 admin channel and MBOX protocol
- Huawei (hns3):
- support for ethtool pfc_prevention_tout
- nVidia/Mellanox:
- support sharing bandwidth control across interfaces of
the same device
- Marvell (octeontx2-pf):
- link RQ page pools to netdev for Netlink stats
- Google vNIC:
- XDP metadata support for DQ RDA
- Microsoft vNIC:
- support forcing full-page RX buffers
- Other NICs:
- Synopsys IP:
- eic7700: support for eth1
- Microchip (lan743x):
- support for RMII interface
- Wangxun:
- support for ethtool -G and -C for VFs
- add Tx timeout and PCIe error handling
- Intel (igb/igc):
- RSS key get/set support
- support for forcing link speed without auto-negotiation
- Switches:
- NXP (dpaa2):
- support bonding/LAG offload
- Mediatek:
- mt7530: EN7528 support
- initial support for MT7628
- Micrel (ksz8/9):
- refactoring work to move towards library model
- PTP support for KSZ8463
- nVidia/Mellanox:
- support rtnl-lock-less ethtool callbacks
- Realtek:
- rtl8366rb: use generic RTL83xx code
- support SGMII and HSGMII for RTL8367S
- PHYs:
- Airoha:
- EcoNet EN7528 PHY support
- DAPU Telecom
- DAPU Telecom DAP8211R(I) Gigabit PHY support
- Realtek:
- support RTL8261C_CG
- support RTL8261D
Wireless
--------
- nl80211: per-link statistics support for multi-link operation
- mac80211: AQL/airtime-fairness support for multicast
- Merge Peripheral Authentication Service (PAS) / TEE support
for ath12k (shared branch with the firmware/qcom tree).
- New drivers:
- mm81x for Morse Micro Long-Range S1G devices
- nxpwifi for NXP devices (mostly forked off from mwifiex)
- Driver changes:
- Broadcom (brcmfmac):
- DPP support, some Cypress part update
- MediaTek (mt76):
- mt7928 support
- mt7925 NAN support
- mt7996 AP powersave improvements
- Qualcomm (ath12k):
- much kernel infrastructure integration work
- AHB platform MultiPD support
- Realtek (rt89):
- LED support
- RTL8922DE support
- dual-BT coex for RTL8922D
- Intel:
- new FW version support
Bluetooth
---------
- HCI: add support for Shorter Connection Interval (SCI) feature.
- af_bluetooth: add minimal context analysis annotations.
- Driver changes:
- Intel:
- add Bluetooth SAR revision 2 support
- add vendor_reset PCI sysfs for PLDR
- Mediatek:
- add USB IDs for MT7902 and MT7922 devices
- Realtek:
- add USB IDs for 8761CU and 8852BE devices
- NXP:
- add M.2 Bluetooth device support using pwrseq
Misc
----
- DPLL support for manual/numerical oscillator control (NCO)
(implement in zl3073x).
- MCTP support for MCTP over USB v1.1 (DMTF DSP0283).
- Power-over-Ethernet: support Realtek PSE controllers.
- Remove the IBM EHEA driver.
- Remove tulip/xircom_cb driver.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-next-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
Pull networking updates from Jakub Kicinski:
"One of the 'small improvements all over the place' releases for us.
It's hard to draw any direct comparisons because summer vacations
disrupted our patch processing (and presumably - generation) quite a
bit.
Quick and dirty count suggests we (Paolo and I) merged a very similar
number of net (632) and net-next (648) patches. This is not telling
the full story either because 1/3 to 1/2 of the net-next patches also
*seem* like AI-driven low priority fixes, cleanups and clarifications.
We are completely overwhelmed, of course. The glimmer of hope is that
we secured sufficient LLM budget and access (thank you Meta!) to run
reviews with multiple frontier models on each patch. This eliminates
some hallucinations. That said, in terms of review, the LLMs can only
do so much.
The sad truth is that our APIs (especially for rare events like PCIe
errors, timeouts etc) have always been racy, and now LLMs don't let us
ignore that. I expect our direction for the next release will be to
tweak the reviews a little bit more, but start shifting focus to
letting the LLMs take care of the busy work - managing patchwork,
automating common process complaints, editing commit messages, and
maybe applying patches which already got "reviewed-by" tags from
people we trust...
Core & protocols:
- A few steps lowering rtnl_lock dependence:
- per-netns netdev unregistration for select SW drivers (e.g.
veth, ipvlan, tunnels)
- rtnl_lock-less FIB rule changes (RTM_NEWRULE and RTM_DELRULE)
- prepare software drivers and TC qdiscs for rtnl_lock-less GET
- Support BIG TCP (>64kB TSO) in UDP tunnels (vxlan, geneve)
- Support buffers larger than PAGE_SIZE in devmem zero-copy API
- Improve MPTCP handling of extreme memory pressure handling, when
out-of-order queue had to be pruned
- Report the per-group user count via RTM_GETMULTICAST
- Expose the route deletion reason in RTM_DELROUTE
- Add a SO_RIGHTS_NOTRUNC option to UNIX sockets to enable more
useful handling of LSM denials when receiving SCM_RIGHTS messages:
instead of truncating the message at the first blocked fd, keep
every fd slot and store the LSM errno in the blocked slot
- IPv6 Segment Routing - support looking up the post-encap SID
(address) in a different/specified routing table
- Support PRP RedBox (interlink) creation
- Support per-nexthop UDP dst port in VXLAN
- Continue converting getsockopt callbacks in a number of protocols
to iov_iter
Ethernet:
- Merge initial CXL support for AMD/Solarflare NICs (shared branch
with the CXL tree)
- New drivers:
- ADIN1140 10BASE-T1S MACPHY
- Initial skeleton of Intel iXD and ZTE Dinghai drivers
- High-speed NICs:
- AMD/Pensando:
- support firmware flashing
- Cisco (enic):
- SR-IOV V2 admin channel and MBOX protocol
- Huawei (hns3):
- support for ethtool pfc_prevention_tout
- nVidia/Mellanox:
- support sharing bandwidth control across interfaces
of the same device
- Marvell (octeontx2-pf):
- link RQ page pools to netdev for Netlink stats
- Google vNIC:
- XDP metadata support for DQ RDA
- Microsoft vNIC:
- support forcing full-page RX buffers
- Other NICs:
- Synopsys IP:
- eic7700: support for eth1
- Microchip (lan743x):
- support for RMII interface
- Wangxun:
- support for ethtool -G and -C for VFs
- add Tx timeout and PCIe error handling
- Intel (igb/igc):
- RSS key get/set support
- support for forcing link speed without auto-negotiation
- Switches:
- NXP (dpaa2):
- support bonding/LAG offload
- Mediatek:
- mt7530: EN7528 support
- initial support for MT7628
- Micrel (ksz8/9):
- refactoring work to move towards library model
- PTP support for KSZ8463
- nVidia/Mellanox:
- support rtnl-lock-less ethtool callbacks
- Realtek:
- rtl8366rb: use generic RTL83xx code
- support SGMII and HSGMII for RTL8367S
- PHYs:
- Airoha:
- EcoNet EN7528 PHY support
- DAPU Telecom
- DAPU Telecom DAP8211R(I) Gigabit PHY support
- Realtek:
- support RTL8261C_CG
- support RTL8261D
Wireless:
- nl80211: per-link statistics support for multi-link operation
- mac80211: AQL/airtime-fairness support for multicast
- Merge Peripheral Authentication Service (PAS) / TEE support for
ath12k (shared branch with the firmware/qcom tree)
- New drivers:
- mm81x for Morse Micro Long-Range S1G devices
- nxpwifi for NXP devices (mostly forked off from mwifiex)
- Driver changes:
- Broadcom (brcmfmac):
- DPP support, some Cypress part update
- MediaTek (mt76):
- mt7928 support
- mt7925 NAN support
- mt7996 AP powersave improvements
- Qualcomm (ath12k):
- much kernel infrastructure integration work
- AHB platform MultiPD support
- Realtek (rt89):
- LED support
- RTL8922DE support
- dual-BT coex for RTL8922D
- Intel:
- new FW version support
Bluetooth:
- HCI: add support for Shorter Connection Interval (SCI) feature
- af_bluetooth: add minimal context analysis annotations
- Driver changes:
- Intel:
- add Bluetooth SAR revision 2 support
- add vendor_reset PCI sysfs for PLDR
- Mediatek:
- add USB IDs for MT7902 and MT7922 devices
- Realtek:
- add USB IDs for 8761CU and 8852BE devices
- NXP:
- add M.2 Bluetooth device support using pwrseq
Misc:
- DPLL support for manual/numerical oscillator control (NCO)
(implement in zl3073x)
- MCTP support for MCTP over USB v1.1 (DMTF DSP0283)
- Power-over-Ethernet: support Realtek PSE controllers
- Remove the IBM EHEA driver
- Remove tulip/xircom_cb driver"
* tag 'net-next-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1433 commits)
net/mlx5e: do not HW-GRO coalesce small frames
net: openvswitch: fix nf_connlabels leak in ovs_ct_init
net: add missing ref_tracker_dir_exit() to alloc_netdev_mqs()
net: openvswitch: fix flow mask use-after-free on flow deletion
sctp: stop processing a packet once its association is deleted
dpll: zl3073x: add PTP clock support
dpll: zl3073x: add channel ToD, phase step and TIE operations
dpll: zl3073x: scale poll interval proportionally to timeout
ptp: vmclock: prevent read-only mappings from becoming writable
ipv4: reject undersized MTUs in ip_do_fragment()
bonding: initialize err for empty target lists
net: dsa: initial support for MT7628 embedded switch
net: dsa: initial MT7628 tagging driver
net: phy: mediatek: add phy driver for MT7628 built-in Fast Ethernet PHYs
dt-bindings: net: dsa: add MT7628 ESW
net: pse-pd: realtek-pse-mcu: add UART transport
net: pse-pd: realtek-pse-mcu: add I2C transport
net: pse-pd: add Realtek PSE MCU core
dt-bindings: net: pse-pd: add bindings for Realtek PSE MCU
vsock: use sock_error() to consume sk_err after a failed connect
...
|
||
|
Linus Torvalds
|
5a8cd539ac |
Major changes:
- Redesign the verifier error reporting: failures now carry source and
instruction annotations along with the causal event history that led
to them, making program rejections far easier to debug and repair
(Kumar Kartikeya Dwivedi)
- Add arena argument support to kfuncs and struct_ops through the new
__arena and __arena__nullable suffixes (Tejun Heo, Puranjay Mohan,
Kumar Kartikeya Dwivedi, Ihor Solodrai)
- Signed BPF program loader rework to accommodate both BPF and security
community needs where the kernel runs the signature verification at
BPF_PROG_LOAD time before the LSM admission hook (Daniel Borkmann)
- Add a set of ksock kfuncs which let BPF LSM and syscall programs
create, connect and send on UDP sockets in order to emit telemetry
data (Mahe Tardy)
- Unify helper and kfunc call argument verification and classify kfunc
arguments purely from BTF into a generated bpf_func_proto which is
computed once at add-call time (Amery Hung)
Other features and fixes:
- Enable EXECMEM_ROX_CACHE for BPF allocations on x86 (Mike Rapoport)
- Add bidirectional VLAN support to bpf_fib_lookup() through the new
BPF_FIB_LOOKUP_VLAN and BPF_FIB_LOOKUP_VLAN_INPUT flags
(Avinash Duduskar)
- Infer zext_dst from static register liveness analysis to fix 32-bit
zero-extension semantics, and remove the artificial limitations on
pointer types eligible for spilling (Eduard Zingerman)
- Inline the numeric open-coded iterator kfuncs so that bpf_for() loops
no longer pay a kfunc call on every iteration (Puranjay Mohan)
- Add an arena-based bitmap data structure to libarena along with
serial and parallel selftests (Emil Tsalapatis)
- Teach resolve_btfids to discover kfuncs from the kernel's BTF ID sets
and to emit kfunc BTF decl tags, reducing the kernel build's
dependency on pahole features (Ihor Solodrai)
- Add BPF_F_ADJ_ROOM_DECAP_* flags to bpf_skb_adjust_room() so that
tunnel decapsulation can update the GSO and encapsulation state of
the skb (Nick Hudson)
- Fix the ring buffer pending_pos walk and the available-data
accounting on 32-bit position wrap (Israel Téllez García)
- Add memory usage accounting for arena maps and fix an mmap_lock
deadlock on arena lock failure (Jiayuan Chen)
- Add tracing_multi link info support to the kernel UAPI and bpftool,
and refactor the stack map code to run with preemption disabled
(Jiri Olsa)
- Support BPF_F_EGRESS in bpf_redirect_peer() to emit the skb in the
egress direction of the target's peer device (Jordan Rife)
- Add a KF_SPINLOCK_SAFE kfunc flag so that providers, in particular
modules, can declare kfuncs safe to call under bpf_spin_lock instead
of relying on the verifier's hard-coded allowlist (Kaitao Cheng)
- Introduce global percpu data for BPF programs with libbpf probing
and bpftool skeleton support, and stop exposing uninitialized kernel
heap memory when copying per-CPU map values (Leon Hwang)
- Add s390 JIT support for load-acquire and store-release instructions
(Maxim Khmelevskii)
- Fix a CFI mismatch in the task work callback and an arm64 KASAN
false positive after bpf_throw() (Mykyta Yatsenko)
- Reject writes through untrusted BTF pointers and bound the
rdonly/rdwr_buf_size kfunc arguments (Nicholas Dudar)
- Invalidate RCU pointers only after the final spin unlock and account
for preempt and IRQ disabled regions as overlapping RCU protection
(Ning Ding)
- Support mixing bpf2bpf calls and tail calls on RV64, add signed
operations and 32-bit atomics to the RV32 JIT, and add timed may_goto
support (Pu Lehui, Kuan-Wei Chiu, Feng Jiang)
- Fix a use-after-free on mm_struct in bpf_find_vma() for foreign tasks
and an mmap_lock leak in the irq_work path (Sanghyun Park)
- Populate mmap-able BPF array map memory lazily which makes mmap() O(1)
instead of proportional to the map size (Song Liu)
- Introduce a jit_required flag and reject programs with inlined
helpers when no JIT is available, where the interpreter would
otherwise jump into an invalid address (Tiezhu Yang)
- Fix the x86 JIT per-CPU address resolution into an extended register
where the REX prefix dropped the high destination register bit
(Vineet Gupta)
- Reject MEM_ALLOC BTF accesses past object bounds, arena frees below
the arena base, and mixed arena and ordinary atomic paths
(Yiyang Chen)
- Fix the trampoline handling of 128-bit arguments and of return values
larger than 8 bytes (Yonghong Song)
- Ensure that any fault prone load is rewritten with exception table
handling, and fix the arena load-acquire and atomic fetch handling
in the x86, arm64, riscv and s390 JITs (Daniel Borkmann)
- Many more fixes and cleanups across the verifier, arena, trampolines,
sockmap, cgroup, ring buffer, x86/arm64/riscv/s390 JITs, libbpf,
bpftool, resolve_btfids and selftests.
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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Merge tag 'bpf-next-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
Pull bpf updates from Daniel Borkmann:
"Major changes:
- Redesign the verifier error reporting: failures now carry source
and instruction annotations along with the causal event history
that led to them, making program rejections far easier to debug and
repair (Kumar Kartikeya Dwivedi)
- Add arena argument support to kfuncs and struct_ops through the new
__arena and __arena__nullable suffixes (Tejun Heo, Puranjay Mohan,
Kumar Kartikeya Dwivedi, Ihor Solodrai)
- Signed BPF program loader rework to accommodate both BPF and
security community needs where the kernel runs the signature
verification at BPF_PROG_LOAD time before the LSM admission hook
(Daniel Borkmann)
- Add a set of ksock kfuncs which let BPF LSM and syscall programs
create, connect and send on UDP sockets in order to emit telemetry
data (Mahe Tardy)
- Unify helper and kfunc call argument verification and classify
kfunc arguments purely from BTF into a generated bpf_func_proto
which is computed once at add-call time (Amery Hung)
Other features and fixes:
- Enable EXECMEM_ROX_CACHE for BPF allocations on x86 (Mike Rapoport)
- Add bidirectional VLAN support to bpf_fib_lookup() through the new
BPF_FIB_LOOKUP_VLAN and BPF_FIB_LOOKUP_VLAN_INPUT flags (Avinash
Duduskar)
- Infer zext_dst from static register liveness analysis to fix 32-bit
zero-extension semantics, and remove the artificial limitations on
pointer types eligible for spilling (Eduard Zingerman)
- Inline the numeric open-coded iterator kfuncs so that bpf_for()
loops no longer pay a kfunc call on every iteration (Puranjay
Mohan)
- Add an arena-based bitmap data structure to libarena along with
serial and parallel selftests (Emil Tsalapatis)
- Teach resolve_btfids to discover kfuncs from the kernel's BTF ID
sets and to emit kfunc BTF decl tags, reducing the kernel build's
dependency on pahole features (Ihor Solodrai)
- Add BPF_F_ADJ_ROOM_DECAP_* flags to bpf_skb_adjust_room() so that
tunnel decapsulation can update the GSO and encapsulation state of
the skb (Nick Hudson)
- Fix the ring buffer pending_pos walk and the available-data
accounting on 32-bit position wrap (Israel Téllez García)
- Add memory usage accounting for arena maps and fix an mmap_lock
deadlock on arena lock failure (Jiayuan Chen)
- Add tracing_multi link info support to the kernel UAPI and bpftool,
and refactor the stack map code to run with preemption disabled
(Jiri Olsa)
- Support BPF_F_EGRESS in bpf_redirect_peer() to emit the skb in the
egress direction of the target's peer device (Jordan Rife)
- Add a KF_SPINLOCK_SAFE kfunc flag so that providers, in particular
modules, can declare kfuncs safe to call under bpf_spin_lock
instead of relying on the verifier's hard-coded allowlist (Kaitao
Cheng)
- Introduce global percpu data for BPF programs with libbpf probing
and bpftool skeleton support, and stop exposing uninitialized
kernel heap memory when copying per-CPU map values (Leon Hwang)
- Add s390 JIT support for load-acquire and store-release
instructions (Maxim Khmelevskii)
- Fix a CFI mismatch in the task work callback and an arm64 KASAN
false positive after bpf_throw() (Mykyta Yatsenko)
- Reject writes through untrusted BTF pointers and bound the
rdonly/rdwr_buf_size kfunc arguments (Nicholas Dudar)
- Invalidate RCU pointers only after the final spin unlock and
account for preempt and IRQ disabled regions as overlapping RCU
protection (Ning Ding)
- Support mixing bpf2bpf calls and tail calls on RV64, add signed
operations and 32-bit atomics to the RV32 JIT, and add timed
may_goto support (Pu Lehui, Kuan-Wei Chiu, Feng Jiang)
- Fix a use-after-free on mm_struct in bpf_find_vma() for foreign
tasks and an mmap_lock leak in the irq_work path (Sanghyun Park)
- Populate mmap-able BPF array map memory lazily which makes mmap()
O(1) instead of proportional to the map size (Song Liu)
- Introduce a jit_required flag and reject programs with inlined
helpers when no JIT is available, where the interpreter would
otherwise jump into an invalid address (Tiezhu Yang)
- Fix the x86 JIT per-CPU address resolution into an extended
register where the REX prefix dropped the high destination register
bit (Vineet Gupta)
- Reject MEM_ALLOC BTF accesses past object bounds, arena frees below
the arena base, and mixed arena and ordinary atomic paths (Yiyang
Chen)
- Fix the trampoline handling of 128-bit arguments and of return
values larger than 8 bytes (Yonghong Song)
- Ensure that any fault prone load is rewritten with exception table
handling, and fix the arena load-acquire and atomic fetch handling
in the x86, arm64, riscv and s390 JITs (Daniel Borkmann)
- Many more fixes and cleanups across the verifier, arena,
trampolines, sockmap, cgroup, ring buffer, x86/arm64/riscv/s390
JITs, libbpf, bpftool, resolve_btfids and selftests"
* tag 'bpf-next-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next: (373 commits)
selftests/bpf: Add tests for a store on a fault prone qdisc pointer
selftests/bpf: Add tests for fault prone loads out of RCU pointers
selftests/bpf: Add tests for pointer type merge at a shared load
selftests/bpf: Remove duplicate copies of the arena spinlock qnodes
selftests/bpf: Retry stat generation in cgroup_iter_memcg
selftests/bpf: Test pseudo-function policy diagnostics
bpf: Distinguish function references in policy diagnostics
bpf: Preserve source attribution without source text
selftests/bpf: Test kfunc argument diagnostics
bpf: Correct kfunc argument diagnostics
bpf: Use canonical stack argument names in diagnostics
bpf: Preserve R0 lineage across helper calls
selftests/bpf: Exercise negative optlen in cgroup getsockopt hook
bpf: Reject negative optlen in cgroup getsockopt hook
selftests/bpf: tc_tunnel - validate decap GSO and encapsulation state
bpf: Clear decap state on skb_adjust_room shrink path
bpf: Allow new DECAP flags and add guard rails
bpf: Add BPF_F_ADJ_ROOM_DECAP_* flags for tunnel decapsulation
bpf: Refactor masks for ADJ_ROOM flags and encap validation
bpf: Name the enum for BPF_FUNC_skb_adjust_room flags
...
|
||
Dave Airlie
|
c44e278ce0 |
Linux 7.2
-----BEGIN PGP SIGNATURE----- iQFSBAABCgA8FiEEq68RxlopcLEwq+PEeb4+QwBBGIYFAmqCLGoeHHRvcnZhbGRz QGxpbnV4LWZvdW5kYXRpb24ub3JnAAoJEHm+PkMAQRiGJzYH/0SFjcgnk1Z3Km+3 2kEeGAMETajW41W7+5QQkuHk83UXDxigDRoD857/d8utK90GrZAoTMS9/6zF3tra ht4G1yc2x7/xgVLkWii54d/sp1LEWTRDntN95fzYZwbeAXwd0AcYBlKXZYHKl4t/ 4yZCgYPmYTkewaYdbyWNPiZvCwhBUl5k1E9i/drh5IJXdgXRcqoO86FY9JX+Ks9x r0g+d6RIiSbDfwzgRpkBn0TRnqzh2OeBfgyrsgGZO2axwlKcA7SP0vwwT6c6nOUI s8F2xXrqrUI75JbSI4YbdwOSvktwbtkz83idlRAYBOdxof3LJ6i2YaxrT8iG+KUH l7+e18M= =eQMh -----END PGP SIGNATURE----- BackMerge tag 'v7.2' into drm-next Linux 7.2 There was a lot of conflicts this round between fixes and next, and I'd like to get the merge resolutions that we have in drm-tip. Signed-off-by: Dave Airlie <airlied@redhat.com> |
||
|
Linus Torvalds
|
a4ff2be345 |
This update includes the following changes:
API: - Add af_alg_restrict sysctl and white list. - Fix potential suspend/resume races in hwrng. Algorithms: - Optimize vli additive operations using compiler builtins in ecc. Drivers: - Remove unsafe/deprecated algorithms from qce. - Mark qce as BROKEN. - Add runtime PM and interconnect bandwidth scaling support to qce. - Remove crypto_rng from qcom, sun8i and caam. - Fix SG list issues in iaa. - Fix SEV init path bugs in ccp. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEn51F/lCuNhUwmDeSxycdCkmxi6cFAmqEC3gACgkQxycdCkmx i6fOCw/9EzjhD0xotKv0Kylk/ukG+UYhh2j1zwFbMUuRl0GQCklSfM19h0DQ53vS FgJqf+69Q9sfn2HxihxQJGkW+NmiqwlHG9veu2PRBXRnMDjFQ8LDHAVEShvL4Jzv PW9daF3KsOjlcFuOVHum9SdQ2tdsoClEtBv8W9ndOxxGxGj3827etOWSTTp4DprP y2bpcE3R+CjmOgATmAQfOiKdLtghv8SspSRUmwVmj8lVijkjTiH9UELwQ4Tp407q vZU027gBHaWKb4VBLPX3NUg0UaJFsieKGrty2EZqX0nXF4f2jaPYB1iP9Y+92qcP WfvidNpVeLpRlJpf5QH1ZqiH7qf9I1YdOXcNe8IL+3b+9SYiyqDY3vuCeBE05dOJ Oty9m8pIV7IwZmhUIhZ0PdIl58urzxYPvCdD0IdAsA0sdNQEBcbTnuVuQjxt4AG0 GYPqiZdtRs5r3MkdRpymV49TBJ+vMY3Wo1lnCcnpCgxugTAx7tkFtMNBJSHF7DbC N1vwb2EYaTyzmH5Vr3dHLWeONskyIRa0WNhnszmIBie3M0AYF2sOkNw3iXVPQxXv a5XbXh/kAx0nc417dp1B8lZclHH2bWvEKHYalpT33GX4qsGuI4bH4uKaOrL0pXp1 WyNzGiCiWJBp2o9wNj/TxKCp7oGeD4ZRv0HeRrEHezSInoTrt9w= =f9oK -----END PGP SIGNATURE----- Merge tag 'v7.3-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 Pull crypto update from Herbert Xu: "API: - Add af_alg_restrict sysctl and white list - Fix potential suspend/resume races in hwrng Algorithms: - Optimize vli additive operations using compiler builtins in ecc Drivers: - Remove unsafe/deprecated algorithms from qce - Mark qce as BROKEN - Add runtime PM and interconnect bandwidth scaling support to qce - Remove crypto_rng from qcom, sun8i and caam - Fix SG list issues in iaa - Fix SEV init path bugs in ccp" * tag 'v7.3-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (122 commits) crypto: lskcipher - propagate errors from unaligned crypt crypto: keembay - use crypto_memneq() to compare CCM AEAD tags crypto: keembay - use crypto_memneq() to compare GCM AEAD tags crypto: sa2ul - use crypto_memneq() to compare AEAD tag hwrng: drivers - use named initializers for acpi_device_id crypto: qce - fix CCM AAD buffer underallocation crypto: iaa - unmap dst before software fallback on decompress crypto: iaa - use bounce buffer for multi-sg decompress input crypto: iaa - avoid counting fallback decompression bytes crypto: iaa - fall back to software for multi-entry scatterlists hwrng: core - Stop/start hwrng_fillfn() kthread before/after suspend-resume crypto: hisilicon/sec2 - fix CCM algorithm long packet failure crypto: eip93 - use struct_size() and flexible array for ring allocation crypto: krb5 - use kfree_sensitive() for derived key buffers crypto: af_alg - Stop after finding name in allowlist crypto: af_alg - Replace 'bool privileged' with flags crypto: af_alg - Make cbc(paes) privileged-only hwrng: imx-rngc - Disable clock on registration failure crypto: qat - remove dead ADF_HEX code crypto: qce - simplify qce_handle_request ... |
||
|
Linus Torvalds
|
09005a6398 |
lsm/stable-7.3 PR 20260814
-----BEGIN PGP SIGNATURE----- iQJIBAABCgAyFiEES0KozwfymdVUl37v6iDy2pc3iXMFAmp/iWkUHHBhdWxAcGF1 bC1tb29yZS5jb20ACgkQ6iDy2pc3iXPvbQ/8DT62doPc0ECTXQXcTNjBOddjNspB pk2mK238UQP50aU7/su4RdgmGG+spVoPc7oqeavnm2J+c552t0eHI61itYMe7nkY uOIjShLN93g9pjG4IqhmCDvGTpsQp9Oiec5F/6C++7OUT5oUqm/faXAZtwFLFgmx pTNf91w+u5s3DJjqG5zqEdteRrQMzDNozdq4YbNkzeIiofsUJvq6IJ6rV66kyOa/ zk2hC6zI3mL0Vuin3WdxKqd1mD7mhYWxjl2nt/0TTIRMKmycxovlvbfADXXi2hlp 4tALFgbEmeOgXr7HWvOqClNZ002/gG84Ty2F/8D/p0EGlzOc0Ga/q1dSAM/JJ5RZ bArXY3qgioU4/zOp998kXIYgRV3i6ZBBEzqTavcVtgCtNTgc2MH+KftD9HJaVjx8 keRClwB85r72mNqKVcTVgQ8MJvA+Fq03JHc/JH3npv2tSPELK4V4vkW0nCGQsLXV /oX87E9/Wh6wWchvUTYToX5j6eNRUjD8xQzIAbPWTilusPcIp9pW58I6gaDKAu6A dNox9I064JfLK+LEmn8Le8AatTT0g/mj1wTD0KeRfo0zKyjSYoT0ECnXBeAfg9QI Vr6ZTXPM0fMpKEHqJvYLJAqVbm3kJKZqxr1z4nmz14elms1SmwdmOSq66Qm8fRCS P5fGVxFzNbDVZvs= =eToU -----END PGP SIGNATURE----- Merge tag 'lsm-pr-20260814' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/lsm Pull LSM updates from Paul Moore: - Remove task_euid() The task_euid(), and Rust counterpart, was never widely used, for good reason, and now that the only user is gone we're removing it to rid ourselves of both dead and funky code. - Documentation improvements Correct some of the kdoc comments for security_task_prctl() and clarify the rust comments on task UID accessors. - Fix a memory leak in the LSM syscall selftests * tag 'lsm-pr-20260814' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/lsm: selftests/lsm: Fix memory leak in attr_lsm_count cred: delete task_euid() rust: task: clarify comments on task UID accessors lsm: clarify security_task_prctl() hook documentation |
||
|
Linus Torvalds
|
00d66b29a6 |
ftrace updates for 7.3:
- Deprecrate ftrace_enabled in disabling ftrace The file /proc/sys/kernel/ftrace_enabled was created when ftrace was first introduced back in 2008. It was to be a "kill switch" if something was to go wrong. It was also used as a way to turn off function tracing for the latency tracers that would have it on by default. But in 2013 (Linux 3.10) the option "function-trace" was introduced to disable function tracing for the latency tracers as the "ftrace_enabled" file was considered too big of a hammer and caused too many side effects. When live kernel patching came along, disabling ftrace via the ftrace_enabled file would put the system into an unstable state if a live kernel patch was installed. This created the need to mark some function hooks as "PERMANENT". Now there's a need for BPF usage marked as PERMANENT for the same reasons. The file "ftrace_enabled" usage is no longer viable. It doesn't do what it says it does and there is no reason to use it. Make writing '0' to it a nop and print a message saying its usage is deprecated. The return value of writing '0' is -EOPNOTSUPP so that user space will error on that write (hopefully to inform any developer that it no longer works). Eventually the file should be removed completely, but for now just making it not do anything is the path forward to that. - Update the livepatch tests to handle ftrace_enabled being disabled Because in the past, livepatch was broken by ftrace_enabled being turned off, there's a test case that checks to make sure it still doesn't break. But having the write of '0' return an error caused that test to break. Updated the test to handle the new change. -----BEGIN PGP SIGNATURE----- iIoEABYKADIWIQRRSw7ePDh/lE+zeZMp5XQQmuv6qgUCan9buBQccm9zdGVkdEBn b29kbWlzLm9yZwAKCRAp5XQQmuv6qkrAAP9lStpPUUVGUVprdRttG8tv4LlSMqX3 +A5WdksIKD+XMAD+ODdXKQkjynRpTf9YnIV3PXNg6Adi3ItOXG1+UsbWGQY= =QLhM -----END PGP SIGNATURE----- Merge tag 'ftrace-v7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace Pull ftrace updates from Steven Rostedt: - Deprecrate ftrace_enabled in disabling ftrace The file /proc/sys/kernel/ftrace_enabled was created when ftrace was first introduced back in 2008. It was to be a "kill switch" if something was to go wrong. It was also used as a way to turn off function tracing for the latency tracers that would have it on by default. But in 2013 (Linux 3.10) the option "function-trace" was introduced to disable function tracing for the latency tracers as the "ftrace_enabled" file was considered too big of a hammer and caused too many side effects. When live kernel patching came along, disabling ftrace via the ftrace_enabled file would put the system into an unstable state if a live kernel patch was installed. This created the need to mark some function hooks as "PERMANENT". Now there's a need for BPF usage marked as PERMANENT for the same reasons. The file "ftrace_enabled" usage is no longer viable. It doesn't do what it says it does and there is no reason to use it. Make writing '0' to it a nop and print a message saying its usage is deprecated. The return value of writing '0' is -EOPNOTSUPP so that user space will error on that write (hopefully to inform any developer that it no longer works). Eventually the file should be removed completely, but for now just making it not do anything is the path forward to that. - Update the livepatch tests to handle ftrace_enabled being disabled Because in the past, livepatch was broken by ftrace_enabled being turned off, there's a test case that checks to make sure it still doesn't break. But having the write of '0' return an error caused that test to break. Updated the test to handle the new change. * tag 'ftrace-v7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace: selftests/livepatch: update test-ftrace.sh for deprecated ftrace_enabled ftrace: deprecate disabling via ftrace_enabled sysctl |
||
|
Linus Torvalds
|
3793b558ff |
RTLA updates for v7.3
- Extend support for unsetting CLI options libsubcmd auto-generates "--no-<option>" to unset options, provided the option callback supports it. Implement this for RTLA CLI beyond boolean options, and document the few exceptions that are left out. - Test all tracer options in runtime tests Verify that RTLA sets osnoise/timerlat options correctly by reading them from tracefs during runtime tests. - Improve range validation for option arguments Make CLI range validation consistent with the kernel limits and unify implementation and error messages between options. - Improve invalid option argument parsing Consistently reject invalid values for numeric option arguments with a unified error message for all options. -----BEGIN PGP SIGNATURE----- iIoEABYKADIWIQRRSw7ePDh/lE+zeZMp5XQQmuv6qgUCan+DpBQccm9zdGVkdEBn b29kbWlzLm9yZwAKCRAp5XQQmuv6qpEsAP90dBAnAxttyHCUIfdDJuVZRRu2EXzn xuBVPvL2sMt89wEA8Un0jTztzmGEUohIWpUG4tQJ7Ebi9xGYqkbmcymbKQo= =aUyh -----END PGP SIGNATURE----- Merge tag 'trace-tools-v7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace Pull RTLA updates from Steven Rostedt: - Extend support for unsetting CLI options libsubcmd auto-generates "--no-<option>" to unset options, provided the option callback supports it. Implement this for RTLA CLI beyond boolean options, and document the few exceptions that are left out. - Test all tracer options in runtime tests Verify that RTLA sets osnoise/timerlat options correctly by reading them from tracefs during runtime tests. - Improve range validation for option arguments Make CLI range validation consistent with the kernel limits and unify implementation and error messages between options. - Improve invalid option argument parsing Consistently reject invalid values for numeric option arguments with a unified error message for all options. * tag 'trace-tools-v7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace: rtla/cli: Unify and improve handling of invalid option arguments rtla/cli: Unify and improve range validation logic rtla/tests: Test all tracer options in runtime tests Documentation/rtla: Document unsetting options rtla: Add unit tests for CLI with unset rtla: Add unit tests for unset in opt callbacks rtla: Allow unsetting non-list custom-callback CLI options |
||
|
Linus Torvalds
|
55ee4b931a |
Real-time Verifier updates for v7.3
- Switch LTL and DOT parsers to Lark in code generation tool The rvgen code generation tool originally parsed DOT files and LTL specifications using custom string parsing and Ply, which is no longer maintained. The DOT parser was fragile and prone to failure on minor format variations. Both LTL and DOT parsers have been rewritten to use the Lark parsing library. - Simplify Hybrid Automata clock variables The clock variables in hybrid automata monitors now use a single representation of the elapsed time since the clock was reset, rather than converting between invariant and guard representations. This allows simpler code generation for the newly refactored parser. - Generate cleanup hook for per-obj monitor The code generation scripts now adds a cleanup function to per-obj monitors for the user to wire to the appropriate event (e.g. sched_process_exit for tasks). - Reduce read_lock scope during per-task cleanup Take the tasklist_lock only when necessary, that is when iterating over for_each_process_thread(). - Simplify task monitor slot management Only rely on the slot array for per-task slot management to avoid inconsistency with the unused counter. - Improve rvgen code robustness and templates Use pathlib in rvgen and improve kernel path discovery. Also improve consistency across templates when generating code (e.g. author placeholder and monitor struct name). - Update rtapp sleep monitor Simplify the sleep monitor by excluding kernel threads and updating the nanosleep check to focus only on CLOCK_REALTIME. Also switch to use the sched_exit tracepoint to run in the context of the offending (wakee) task. - Add wakeup monitor Add the new rtapp/wakeup monitor to detect when lower-priority tasks wake up higher-priority ones, complementing the existing sleep monitor by running in the waker context and capturing its stack trace. - Fix tools/rv exit status on failure Ensure the rv tool returns a failure exit code when a monitor fails to start because it was already running. - Add automated selftests for tools/rv and rvgen Introduced automated bash selftests to validate rv monitor listing and execution under different configurations. Added tests for the rvgen code generator, validating generated files against expected output (golden). Tests are reachable via make check. - Add KUnit test coverage for verification monitors Added comprehensive KUnit tests to validate the functionality of deterministic, hybrid, and LTL monitors by emulating event sequences and timing in a mock environment without affecting the running kernel while expecting mock reactions to fire. Ensure real RV monitors cannot run during KUnit tests to avoid state corruption. - Mock current in rv monitors Mock the call to current in rv monitors when the KUnit tests are built to allow them to run the test on dummy tasks. No overhead is expected when KUnit tests aren't running. - Introduce rvgen kunit subcommand Added a new 'kunit' subcommand to rvgen to automatically patch an already generated monitor with KUnit integration templates by parsing its event handlers and creating the required mock structures and initializations. - Refine kernel verification selftests Added new selftests for the deadline and stall monitors and rearranged the existing wwnr_printk test to resolve flakiness. Additionally, fixed an issue in the selftests framework where negative assertion failures were not correctly propagated due to shell rules. - Fix 32-bit build of nomiss KUnit test A previous commit introduced a division between an u64 and a constant value and that doesn't build on 32-bit systems. Use div_u64() instead. - Document changes in sleep monitor The sleep monitor introduced some changes in the past like allowing epoll_wait() as a valid sleep and a task going to runnable before scheduling as a valid wakeup. Document both. -----BEGIN PGP SIGNATURE----- iIoEABYKADIWIQRRSw7ePDh/lE+zeZMp5XQQmuv6qgUCan+BsRQccm9zdGVkdEBn b29kbWlzLm9yZwAKCRAp5XQQmuv6qicKAQD5aLUnn4zrZGuT+k5qmNmmbOsAXriS g+TfUXShvRoL6QD+KrsUyNf9KzLd+IqJG1N3G3wbhOiVd60Y5srLZP87UgA= =iqRx -----END PGP SIGNATURE----- Merge tag 'trace-rv-v7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace Pull Real-time Verifier updates from Steven Rostedt: - Switch LTL and DOT parsers to Lark in code generation tool The rvgen code generation tool originally parsed DOT files and LTL specifications using custom string parsing and Ply, which is no longer maintained. The DOT parser was fragile and prone to failure on minor format variations. Both LTL and DOT parsers have been rewritten to use the Lark parsing library. - Simplify Hybrid Automata clock variables The clock variables in hybrid automata monitors now use a single representation of the elapsed time since the clock was reset, rather than converting between invariant and guard representations. This allows simpler code generation for the newly refactored parser. - Generate cleanup hook for per-obj monitor The code generation scripts now adds a cleanup function to per-obj monitors for the user to wire to the appropriate event (e.g. sched_process_exit for tasks). - Reduce read_lock scope during per-task cleanup Take the tasklist_lock only when necessary, that is when iterating over for_each_process_thread(). - Simplify task monitor slot management Only rely on the slot array for per-task slot management to avoid inconsistency with the unused counter. - Improve rvgen code robustness and templates Use pathlib in rvgen and improve kernel path discovery. Also improve consistency across templates when generating code (e.g. author placeholder and monitor struct name). - Update rtapp sleep monitor Simplify the sleep monitor by excluding kernel threads and updating the nanosleep check to focus only on CLOCK_REALTIME. Also switch to use the sched_exit tracepoint to run in the context of the offending (wakee) task. - Add wakeup monitor Add the new rtapp/wakeup monitor to detect when lower-priority tasks wake up higher-priority ones, complementing the existing sleep monitor by running in the waker context and capturing its stack trace. - Fix tools/rv exit status on failure Ensure the rv tool returns a failure exit code when a monitor fails to start because it was already running. - Add automated selftests for tools/rv and rvgen Introduced automated bash selftests to validate rv monitor listing and execution under different configurations. Added tests for the rvgen code generator, validating generated files against expected output (golden). Tests are reachable via make check. - Add KUnit test coverage for verification monitors Added comprehensive KUnit tests to validate the functionality of deterministic, hybrid, and LTL monitors by emulating event sequences and timing in a mock environment without affecting the running kernel while expecting mock reactions to fire. Ensure real RV monitors cannot run during KUnit tests to avoid state corruption. - Mock current in rv monitors Mock the call to current in rv monitors when the KUnit tests are built to allow them to run the test on dummy tasks. No overhead is expected when KUnit tests aren't running. - Introduce rvgen kunit subcommand Added a new 'kunit' subcommand to rvgen to automatically patch an already generated monitor with KUnit integration templates by parsing its event handlers and creating the required mock structures and initializations. - Refine kernel verification selftests Added new selftests for the deadline and stall monitors and rearranged the existing wwnr_printk test to resolve flakiness. Additionally, fixed an issue in the selftests framework where negative assertion failures were not correctly propagated due to shell rules. - Fix 32-bit build of nomiss KUnit test A previous commit introduced a division between an u64 and a constant value and that doesn't build on 32-bit systems. Use div_u64() instead. - Document changes in sleep monitor The sleep monitor introduced some changes in the past like allowing epoll_wait() as a valid sleep and a task going to runnable before scheduling as a valid wakeup. Document both. * tag 'trace-rv-v7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace: (40 commits) Documentation/rv: Explain epoll and aborted sleeps rv: Fix 32-bit build of nomiss KUnit test selftests/verification: Add selftests for deadline and stall monitors selftests/verification: Rearrange the wwnr_printk test selftests/verification: Fix wrong errexit assumption rv: Add KUnit tests for some LTL monitors rv: Add KUnit mock for current rv: Add KUnit tests for some DA/HA monitors rv: Export task monitor slot and react symbols verification/rvgen: Add selftests for rvgen kunit verification/rvgen: Add the rvgen kunit subcommand verification/rvgen: Add selftests verification/rvgen: Add golden and spec folders for tests tools/rv: Add selftests verification/rvgen: Improve consistency in template files verification/rvgen: Use pathlib instead of os.path verification/rvgen: Improve rv_dir discovery in RVGenerator tools/rv: Fix exit status when monitor execution fails rv: Use generic rv_this for the rv_monitor variable in LTL rv/rtapp: Add wakeup monitor ... |
||
|
Linus Torvalds
|
85e0d1de36 |
iommufd v7.3 merge window pull request
Small update this cycle:
- Formal API for "no iommu" mode in VFIO. iommufd now works in this
environment and provides page pinning and phyiscal address services to
userspace. This avoids nasty fragile tricks with mprotect and pgmap
- Fix sykzaller crash racing change_process with map_pages
- Various skyzkaller/AI fixes for the selftests
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Merge tag 'for-linus-iommufd' of git://git.kernel.org/pub/scm/linux/kernel/git/jgg/iommufd
Pull iommufd updates from Jason Gunthorpe:
"One small feature this cycle, the noiommu mode is useful in
single-purpose VMs running something like DPDK. It avoids the double
translation overhead and it seems to be commonly used with some hacks.
Summary:
- Formal API for "no iommu" mode in VFIO. iommufd now works in this
environment and provides page pinning and phyiscal address services
to userspace. This avoids nasty fragile tricks with mprotect and
pgmap
- Fix sykzaller crash racing change_process with map_pages
- Various skyzkaller/AI fixes for the selftests"
* tag 'for-linus-iommufd' of git://git.kernel.org/pub/scm/linux/kernel/git/jgg/iommufd:
iommufd: Fix UAF in selftest IOPF reporting
iommu/iommufd: Fix NULL pointer deref in iommufd_ioas_change_process when racing with iopt_map_file_pages
Documentation: Update VFIO NOIOMMU mode
vfio: Enable cdev noiommu mode under iommufd
iommufd: Add an ioctl to query PA from IOVA for noiommu mode
iommufd: Allow binding to a noiommu device
iommufd: Move igroup allocation to a function
iommufd: Support a HWPT without an iommu driver for noiommu
iommufd: Simplify iommufd_device_remove_vdev()
iommufd: Fix grammar and spelling in comments
iommu: Fix dev_iommu memory leak when device_add fails in iommu_mock_device_add
iommufd/selftest: Fix dmabuf leak in iommufd_test_dmabuf_get()
iommufd/selftest: Avoid selftest dirty bitmap size wrap
|
||
|
Linus Torvalds
|
4994ef0fe0 |
IOMMU updates for Linux v7.3:
- ARM SMMUv2:
- Device-tree binding updates for Qualcomm Eliza, Maili, Shikra and
IPQ9650 SoCs.
- Add support for Qualcomm SM8450.
- Numerous fixes for lifetime and ordering issues found by Sashiko in
the Qualcomm driver.
- ARM SMMUv3:
- Fix interrupt type in device-tree binding example for NVIDIA CMDQV.
- Numerous fixes for issues identified by Sashiko in the NVIDIA CMDQV
driver.
- Work around TLB erratum T264-SMMU-3 on Tegra264 by repeating the
invalidation sequence.
- Add support for HAFT (hardware access flag in table entries) when
using SVA.
- Probe for 52-bit addressing with a page size smaller than 64k ('DS')
but don't do anything with it for now.
- Minor driver improvements (remove sort_nonatomic(), use
readl_relaxed_poll_timeout_atomic(), fix IOPF teardown ordering).
- Intel VT-d:
- Consolidation of complex enablement logic into a clean, priority-based
state machine.
- Support for the DMA_REMAP_OPT_OUT flag from the VT-d v5.2
specification.
- An update to cache_tag_flush_devtlb_psi() to use full-range constants
instead of modifying shared variables for CACHE_TAG_NESTING_DEVTLB.
- A fix for the UCTP context-table slot when copying root entries.
- Fixes for several pre-existing issues reported by Sashiko.
- General code cleanup and refinement.
- AMD IOMMU:
- Add SNP page-mode-0 support, enabling passthrough, v2 DMA page
tables and host SVA on supporting systems.
- Fix invalid PPR handling, COMPLETE_PPR responses and guest-mode
reporting.
- Improve Southbridge IOAPIC validation and remove the dependency on
hard-coded device IDs.
- Fix PCI-device lifetime, debugfs and diagnostic issues.
- IOMMU core and IOMMUFD:
- Restore serialization of the shared MSI-page list.
- Fix SVA-handle publication and several IOMMUFD reference and error
path leaks.
- Return the expected zero result for invalid generic page-table
translations.
- Allocate per-CPU IOVA magazines lazily to reduce memory use on
large systems.
- PCI ATS:
- Make VF support checks account for the associated PF and validate
that VF and PF Smallest Translation Unit settings agree.
- Platform drivers:
- Fix Qualcomm runtime-PM, probe unwind, fault reporting and page
table initialization races.
- Rework Rockchip state handling and fix clock, probe and stale-fault
handling.
- Fix smaller issues in the MSM and MediaTek drivers.
- Device-tree bindings:
- Add new Qualcomm SMMU compatibles, convert the OMAP IOMMU binding
to YAML, and fix the Tegra264 CMDQV interrupt example.
- Various smaller cleanups, documentation fixes and a Rust IOMMU
safety/readability improvement.
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Merge tag 'iommu-updates-v7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux
Pull iommu updates from Joerg Roedel:
"ARM SMMUv2:
- Device-tree binding updates for Qualcomm Eliza, Maili, Shikra and
IPQ9650 SoCs
- Add support for Qualcomm SM8450
- Numerous fixes for lifetime and ordering issues found by Sashiko in
the Qualcomm driver
ARM SMMUv3:
- Fix interrupt type in device-tree binding example for NVIDIA CMDQV
- Numerous fixes for issues identified by Sashiko in the NVIDIA CMDQV
driver
- Work around TLB erratum T264-SMMU-3 on Tegra264 by repeating the
invalidation sequence
- Add support for HAFT (hardware access flag in table entries) when
using SVA
- Probe for 52-bit addressing with a page size smaller than 64k
('DS') but don't do anything with it for now
- Minor driver improvements (remove sort_nonatomic(), use
readl_relaxed_poll_timeout_atomic(), fix IOPF teardown ordering)
Intel VT-d:
- Consolidation of complex enablement logic into a clean,
priority-based state machine
- Support for the DMA_REMAP_OPT_OUT flag from the VT-d v5.2
specification
- An update to cache_tag_flush_devtlb_psi() to use full-range
constants instead of modifying shared variables for
CACHE_TAG_NESTING_DEVTLB
- A fix for the UCTP context-table slot when copying root entries
- Fixes for several pre-existing issues reported by Sashiko
- General code cleanup and refinement
AMD IOMMU:
- Add SNP page-mode-0 support, enabling passthrough, v2 DMA page
tables and host SVA on supporting systems
- Fix invalid PPR handling, COMPLETE_PPR responses and guest-mode
reporting
- Improve Southbridge IOAPIC validation and remove the dependency on
hard-coded device IDs
- Fix PCI-device lifetime, debugfs and diagnostic issues
IOMMU core and IOMMUFD:
- Restore serialization of the shared MSI-page list
- Fix SVA-handle publication and several IOMMUFD reference and error
path leaks
- Return the expected zero result for invalid generic page-table
translations
- Allocate per-CPU IOVA magazines lazily to reduce memory use on
large systems
PCI ATS:
- Make VF support checks account for the associated PF and validate
that VF and PF Smallest Translation Unit settings agree
Platform drivers:
- Fix Qualcomm runtime-PM, probe unwind, fault reporting and page
table initialization races
- Rework Rockchip state handling and fix clock, probe and stale-fault
handling
- Fix smaller issues in the MSM and MediaTek drivers
Device-tree bindings:
- Add new Qualcomm SMMU compatibles, convert the OMAP IOMMU binding
to YAML, and fix the Tegra264 CMDQV interrupt example
Various smaller cleanups, documentation fixes and a Rust IOMMU
safety/readability improvement"
* tag 'iommu-updates-v7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux: (93 commits)
iommu/amd: Add SNP page mode 0 support
iommu/amd: Fix GN bit setting in COMPLETE_PPR_REQUEST command
iommu/amd: Rate limit INVALID_PPR_REQUEST error logging
iommu/amd: Fix missing CMD_COMPLETE_PPR response for invalid PPR requests
iommu/amd: Introduce PPR_TAG_LAST_PAGE() macro
iommu/amd: Fix incorrect device ID in invalid PASID error message
iommu/vt-d: Flush context cache with correct SID when tearing down aliases
iommu/vt-d: Tear down scalable-mode context on probe failure
iommu/vt-d: Fix iopf_refcount leak on RID domain replacement
iommu/vt-d: Clear Present bit before tearing down copied context entry
iommu/vt-d: Fix copied_tables bitmap leak on error in copy_translation_tables
iommu/vt-d: Cache max domain ID to avoid redundant calculation
iommu/vt-d: Support the new DMA_REMAP_OPT_OUT flag bit
iommu/vt-d: Remove dmar_disabled
iommu/vt-d: Remove the 'force_on' variable
iommu/vt-d: Call dmar_can_force_on() for tboot opt-in
iommu/vt-d: Use dmar_can_force_on() for platform opt-in
iommu/vt-d: Consolidate dmar policy management and force_on logic
iommu/vt-d: Remove dead code when CONFIG_INTEL_IOMMU is not set
iommu/vt-d: Force requesting ACS when tboot is enabled
...
|
||
|
Linus Torvalds
|
7fa7d4c603 |
- 6 minor cleanups found by Claude Opus 4.6
- small cleanups in dm core, dm-cache, dm-switch, dm-inlinecrypt, dm-vdo - improve validation of metadata in dm-pcache - dm: fix resume-vs-remove ioctl race condition - dm: fix race condition when issuing table load ioctls concurrently - fix dm-raid1 and dm-io, so that they work with unaligned bio vectors - dm-integrity: use keyed markers as discard fillers - improve metadata validation in dm-array - fix dm-stats crash on memory allocation failure - fix dm-dust, so that it works if it is not the first target in a table - dm-era: fix superblock refcount leak on snapshot failure -----BEGIN PGP SIGNATURE----- iIoEABYIADIWIQRnH8MwLyZDhyYfesYTAyx9YGnhbQUCaoNttBQcbXBhdG9ja2FA cmVkaGF0LmNvbQAKCRATAyx9YGnhbThWAQCYDN/SclnydRYV7IKzV/yyd75esUOi lWC3kMbiykSD0AEAmdQeMEqwxpX8i1njnPrcm67i4+LEKMK4X+ApLwV30gQ= =SOAs -----END PGP SIGNATURE----- Merge tag 'for-7.3/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm Pull device mapper updates from Mikulas Patocka: - minor cleanups found by Claude Opus 4.6 - small cleanups in dm core, dm-cache, dm-switch, dm-inlinecrypt, dm-vdo - improve validation of metadata in dm-pcache - fix resume-vs-remove ioctl race condition - fix race condition when issuing table load ioctls concurrently - fix dm-raid1 and dm-io, so that they work with unaligned bio vectors - dm-integrity: use keyed markers as discard fillers - improve metadata validation in dm-array - fix dm-stats crash on memory allocation failure - fix dm-dust, so that it works if it is not the first target in a table - dm-era: fix superblock refcount leak on snapshot failure * tag 'for-7.3/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm: (46 commits) dm-era: fix shadowed superblock leak on take-snap failure dm dust: make badblock messages target-relative dm-stats: fix a crash if allocation of per-cpu data fails dm array: reject an array block whose value size is not the caller's dm array: validate array block headers on read dm-integrity: replace forgeable discard filler with a keyed sector marker dm vdo indexer: embed geometry in parent structures dm vdo indexer: simplify sub-index parameter calculations dm-pcache: remove unused 'cache' parameter from cache_key_gc() docs: device-mapper: dm-inlinecrypt: fix 'bellow' spelling dm-pcache: remove unused miss_read_end_work_fn declaration dm-io: report non-retryable errors separatedly dm-io: clone the source bio instead of copying its biovec dm: fix race when loading and unloading a table dm: fix resume-vs-remove race dm-pcache: remove unused 'allocated' variable in cache_data_alloc() dm-pcache: replace tabs with spaces in comments to fix ASCII diagram alignment dm-pcache: fix use-after-free and invalid seg operations in kset_replay() dm-pcache: fix implicit u8 truncation of gc_percent in message handler dm raid1: reserve space for NUL-terminator in build_constructor_string() ... |
||
|
Linus Torvalds
|
59e6295fac |
Driver core changes for 7.3-rc1
- container_of:
- Apply typeof_member(), remove the local __mptr variable to eliminate
variable shadowing warnings on nested container_of() calls, and remove
unnecessary parentheses.
- core:
- Add driver name to probe debug print for initcall_debug.
- Avoid repeatedly printing the same 'Fixed dependency cycle' log.
- Unwind device_add() on attribute creation failure in
attribute_container_add_class_device().
- Remove statistics group if encryption group creation fails in
transport_add_class_device().
- debugfs:
- Fix lockdown check for mmap_prepare().
- Warn if file creation failed due to uninitialized debugfs.
- device property:
- Implement fw_devlink support for software nodes by adding
software_node_add_links(), which creates fwnode links from DEV_PROP_REF
properties to enable automatic probe ordering. Add kunit-managed fwnode
helpers and test coverage.
- Fix infinite loop in fwnode_for_each_child_node() when the secondary fwnode
has more than one child. Add test cases.
- Fix out-of-bounds access in software_node_get_reference_args() when called
with index -1 (UINT_MAX).
- Refactor to use RAII approach with __free().
- Add Bartosz Golaszewski as software node reviewer.
- firmware loader:
- Fix race where a sysfs fallback request can complete before being queued as
pending, leading to a use-after-free on the next fallback request.
- Reject 0-size built-in firmware and fail the build on empty firmware files
in CONFIG_EXTRA_FIRMWARE.
- kobject:
- Provide __KOBJ_ATTR() and __KOBJ_ATTR_RO/WO() initialization macros and
allow the constification of kobject attributes, enabling them to reside in
read-only memory.
- platform:
- Provide platform_device_set_of_node(), platform_device_set_fwnode(), and
platform_device_set_of_node_from_dev() helpers that encapsulate firmware
node reference counting for dynamically allocated platform devices. Convert
all in-tree users that manually assigned dev.of_node or dev.fwnode, fixing a
pre-existing refcount bug in powermac. Switch to counting references of all
firmware node types, not only OF nodes.
- Unify the release path for dynamically allocated platform devices by
removing platform_device_release_full(). Amend the fwnode setter API
contract to warn if a primary software node is overwritten. Add KUnit tests
for correct software node removal on device unregistration.
- Rust:
- Auxiliary:
- Add registration_data_with() closure-based API for invariant ForLt types.
- Debugfs:
- Migrate BinaryWriter and BinaryReaderMut trait requirements from
kernel::transmute traits to zerocopy traits.
- Device:
- Add BoundInternal device context and InternalBoundContext trait for bus
abstractions that need internal access to a bound device.
- Make the lifetime on Core and CoreInternal invariant to prevent coercion
to shorter lifetimes.
- Devres:
- Fix race between concurrent revokers where the losing revoker could return
before the winning revoker finished dropping the inner data, causing
use-after-free.
- Ensure revocation is complete before the device finishes unbinding by
making the synchronization bidirectional.
- Add DevresLt<F: ForLt>, a wrapper around Devres that shortens 'static back
to the caller's borrow scope. Implement ForLt and CovariantForLt for Bar,
IoMem, and ExclusiveIoMem.
- Driver:
- Switch from index-based to pointer-based device ID info lookup, storing
static references in driver_data. Centralize device ID handling in
device_id.rs, removing the open-coded ACPI/OF matching logic and duplicate
ID table from driver.rs.
- I/O:
- Make I/O regions typed (with a dynamically-sized Region type for the
existing untyped case), create view types representing subregions of a
mapped I/O region, and add io_project!() for safely creating subviews.
- Split Io into a base trait (IoBase) and an extension trait (Io) with a
blanket implementation, preventing implementers from overriding provided
methods that unsafe code relies on.
- Add a SysMem backend for shared system memory with volatile access, and
make Coherent implement Io via an I/O view type. Add IoSysMap as sum type
of Mmio and SysMem. Add copying methods (memcpy_{from,to}io()) and
read_val()/write_val() for typed access.
- Replace dma_read!()/dma_write!() with io_read!()/io_write!() for
primitives and copying methods for aggregates; drop the old macros.
Convert nova-core to use I/O projection.
- Fix internal shortcut rule dispatch in the register!() macro, remove
unused rule arguments, and use path fragments for alias destinations.
- IRQ:
- Make irq::Registration compatible with lifetime-bound drivers by
removing the 'static bound on Handler/ThreadedHandler and
replacing Devres<RegistrationInner> with direct
request_irq()/free_irq() calls. Handlers can now directly own
lifetime-bound device resources.
- PCI:
- Convert IrqVectorRegistration to a lifetime-annotated owning type,
giving drivers explicit control over the allocation lifetime.
IrqVector embeds a resolved IrqRequest, making the conversion
infallible. Remove the redundant
request_irq()/request_threaded_irq() wrappers from pci::Device.
- Add pci_irq_type() C helper and expose it via irq_type() on
IrqVectorRegistration and IrqVector, returning PCI_IRQ_MSIX, PCI_IRQ_MSI,
or PCI_IRQ_INTX.
- Mark pci::Device refcount methods inline.
- Serdev:
- Add Rust abstractions for the serial device bus, including serdev::Driver
trait, serdev::Device wrapping struct serdev_device, and serdev::Adapter
implementing RegistrationOps. Includes a sample driver. Markus Probst
takes over as serdev maintainer for both C and Rust code.
- Misc:
- Split ForLt into a base trait (providing the Of<'a> GAT) and an unsafe
CovariantForLt subtrait guaranteeing covariance, enabling invariant types
(e.g. those containing Mutex<&'bound T>) to participate in the ForLt
abstraction.
- Fix Coherent read past EOF returning -ERANGE instead of zero.
- Fix firmware example UB by avoiding null-pointer ARef.
- misc:
- Avoid iattr allocation in kernfs listxattr by using kernfs_iattrs_noalloc().
- Unregister SoC bus on early device registration failure.
- Remove unused DMA_FENCE_TRACE Kconfig symbol.
- Fix /sys/module path in comment.
- Refactor ISA bus init to remove nested blocks.
- Remove redundant nodemask clears in numa_init().
- Add kernel-doc for fwnode_operations and sys_soc.h, mark internal property
data as private for kernel-doc, and add property.h/fwnode.h to driver-api
infrastructure docs.
- Add MAINTAINERS entry for sys_soc.h.
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Merge tag 'driver-core-7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/driver-core/driver-core
Pull driver core updates from Danilo Krummrich:
"container_of:
- Apply typeof_member(), remove the local __mptr variable to
eliminate variable shadowing warnings on nested container_of()
calls, and remove unnecessary parentheses
core:
- Add driver name to probe debug print for initcall_debug
- Avoid repeatedly printing the same 'Fixed dependency cycle' log
- Unwind device_add() on attribute creation failure in
attribute_container_add_class_device()
- Remove statistics group if encryption group creation fails in
transport_add_class_device()
debugfs:
- Fix lockdown check for mmap_prepare()
- Warn if file creation failed due to uninitialized debugfs
device property:
- Implement fw_devlink support for software nodes by adding
software_node_add_links(), which creates fwnode links from
DEV_PROP_REF properties to enable automatic probe ordering. Add
kunit-managed fwnode helpers and test coverage
- Fix infinite loop in fwnode_for_each_child_node() when the
secondary fwnode has more than one child. Add test cases
- Fix out-of-bounds access in software_node_get_reference_args() when
called with index -1 (UINT_MAX)
- Refactor to use RAII approach with __free()
- Add Bartosz Golaszewski as software node reviewer
firmware loader:
- Fix race where a sysfs fallback request can complete before being
queued as pending, leading to a use-after-free on the next fallback
request
- Reject 0-size built-in firmware and fail the build on empty
firmware files in CONFIG_EXTRA_FIRMWARE
kobject:
- Provide __KOBJ_ATTR() and __KOBJ_ATTR_RO/WO() initialization macros
and allow the constification of kobject attributes, enabling them
to reside in read-only memory
platform:
- Provide platform_device_set_of_node(), platform_device_set_fwnode(),
and platform_device_set_of_node_from_dev() helpers that encapsulate
firmware node reference counting for dynamically allocated platform
devices
Convert all in-tree users that manually assigned dev.of_node or
dev.fwnode, fixing a pre-existing refcount bug in powermac. Switch
to counting references of all firmware node types, not only OF
nodes
- Unify the release path for dynamically allocated platform devices
by removing platform_device_release_full(). Amend the fwnode setter
API contract to warn if a primary software node is overwritten. Add
KUnit tests for correct software node removal on device
unregistration
Rust:
- Auxiliary:
- Add registration_data_with() closure-based API for invariant
ForLt types
- Debugfs:
- Migrate BinaryWriter and BinaryReaderMut trait requirements
from kernel::transmute traits to zerocopy traits
- Device:
- Add BoundInternal device context and InternalBoundContext trait
for bus abstractions that need internal access to a bound
device.
- Make the lifetime on Core and CoreInternal invariant to prevent
coercion to shorter lifetimes
- Devres:
- Fix race between concurrent revokers where the losing revoker
could return before the winning revoker finished dropping the
inner data, causing use-after-free.
- Ensure revocation is complete before the device finishes
unbinding by making the synchronization bidirectional.
- Add DevresLt<F: ForLt>, a wrapper around Devres that shortens
'static back to the caller's borrow scope. Implement ForLt and
CovariantForLt for Bar, IoMem, and ExclusiveIoMem
- Driver:
- Switch from index-based to pointer-based device ID info lookup,
storing static references in driver_data. Centralize device ID
handling in device_id.rs, removing the open-coded ACPI/OF
matching logic and duplicate ID table from driver.rs
- I/O:
- Make I/O regions typed (with a dynamically-sized Region type
for the existing untyped case), create view types representing
subregions of a mapped I/O region, and add io_project!() for
safely creating subviews.
- Split Io into a base trait (IoBase) and an extension trait (Io)
with a blanket implementation, preventing implementers from
overriding provided methods that unsafe code relies on.
- Add a SysMem backend for shared system memory with volatile
access, and make Coherent implement Io via an I/O view type.
Add IoSysMap as sum type of Mmio and SysMem. Add copying
methods (memcpy_{from,to}io()) and read_val()/write_val() for
typed access.
- Replace dma_read!()/dma_write!() with io_read!()/io_write!()
for primitives and copying methods for aggregates; drop the old
macros. Convert nova-core to use I/O projection.
- Fix internal shortcut rule dispatch in the register!() macro,
remove unused rule arguments, and use path fragments for alias
destinations
- IRQ:
- Make irq::Registration compatible with lifetime-bound drivers
by removing the 'static bound on Handler/ThreadedHandler and
replacing Devres<RegistrationInner> with direct
request_irq()/free_irq() calls. Handlers can now directly own
lifetime-bound device resources
- PCI:
- Convert IrqVectorRegistration to a lifetime-annotated owning
type, giving drivers explicit control over the allocation
lifetime. IrqVector embeds a resolved IrqRequest, making the
conversion infallible. Remove the redundant
request_irq()/request_threaded_irq() wrappers from pci::Device.
- Add pci_irq_type() C helper and expose it via irq_type() on
IrqVectorRegistration and IrqVector, returning PCI_IRQ_MSIX,
PCI_IRQ_MSI, or PCI_IRQ_INTX.
- Mark pci::Device refcount methods inline
- Serdev:
- Add Rust abstractions for the serial device bus, including
serdev::Driver trait, serdev::Device wrapping struct
serdev_device, and serdev::Adapter implementing
RegistrationOps. Includes a sample driver. Markus Probst takes
over as serdev maintainer for both C and Rust code
- Misc:
- Split ForLt into a base trait (providing the Of<'a> GAT) and an
unsafe CovariantForLt subtrait guaranteeing covariance,
enabling invariant types (e.g. those containing Mutex<&'bound T>)
to participate in the ForLt abstraction.
- Fix Coherent read past EOF returning -ERANGE instead of zero.
- Fix firmware example UB by avoiding null-pointer ARef
misc:
- Avoid iattr allocation in kernfs listxattr by using
kernfs_iattrs_noalloc().
- Unregister SoC bus on early device registration failure.
- Remove unused DMA_FENCE_TRACE Kconfig symbol.
- Fix /sys/module path in comment.
- Refactor ISA bus init to remove nested blocks.
- Remove redundant nodemask clears in numa_init().
- Add kernel-doc for fwnode_operations and sys_soc.h, mark
internal property data as private for kernel-doc, and add
property.h/fwnode.h to driver-api infrastructure docs.
- Add MAINTAINERS entry for sys_soc.h"
* tag 'driver-core-7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/driver-core/driver-core: (129 commits)
rust: pci: expose the allocated interrupt type
PCI: Add pci_irq_type() to query the allocated interrupt type
rust: pci: remove request_irq() and request_threaded_irq() from Device
rust: pci: resolve IRQ in index() and embed IrqRequest in IrqVector
rust: pci: convert IrqVectorRegistration to a lifetime-managed owning type
kernfs: avoid iattr allocation in listxattr
rust: serdev: use ThisModule::as_ptr() instead of field access
ACPI/IORT: use platform_device_set_fwnode()
ACPI/APMT: use platform_device_set_fwnode()
firmware_loader: do not queue completed sysfs fallback requests
rust: pci: Mark Device refcount methods inline
rust: irq: make Registration compatible with lifetime-bound drivers
rust: net/phy: remove expansion from doc
rust: dma: return zero for Coherent reads past EOF
rust: io: register: use path fragment for alias destination
rust: io: register: remove unused rule arguments
rust: io: register: dispatch shortcut rules internally
MAINTAINERS: add sys_soc.h to DRIVER CORE
rust: debugfs: remove unsafe blocks from traits impl for Vec
rust: debugfs: migrate debugfs traits requirements to zerocopy
...
|
||
|
Linus Torvalds
|
c6cf4441a3 |
Devicetree updates for v7.3:
- Add a DT maintainer profile document - Various dt-check-style improvements - Add a devres managed reserved memory region init function - Print node name on any skipped reserved memory regions - Correctly handle optional argument in of_parse_phandle_with_args_map() - Convert ti,keystone-reset, ti,da850-vpif, TI L4 interconnect, TI SmartReflex, microchip,pic32mzda-dmt, microchip,pic32mzda-wdt, TI DA8XX MSTPRI bus, and Xen VM bindings to DT schema format - Add bindings for StarFive JHB100 plic, Allwinner A733 NMI controller, MediaTek MT8173 GPU, QCom Shikra, Eliza, and Maili cpu-bwmon, and QCom Shikra SCM firmware - A couple of syntax fixes found using PoC Rust implementation of dtschema tools - Clean-ups for typos, brackets, incorrect "::" usages, and white-space style -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEktVUI4SxYhzZyEuo+vtdtY28YcMFAmqA0pYACgkQ+vtdtY28 YcOGLRAAsSVfV1r7n9SmPQ246dRQeVkNo3ZAEFuqqeBzJjMNyVyYn4iCcwkYDhaY rRlRpanmhbooUJfRRpxpgIv8XwWOiha8eq9mojnbGfgq00/8BEnD16A7bwNDaxsf /IUVKYQs8x7AK3nGLXvJ2BXQZzAZCnwylnsW6Pbkhns3xuc3lED4BGRRRsPH4T77 lMh2cA8JjeaY9sC/6aosTg1342nj+QpC2qJOfd2ONsWCKKD3zYAWWVFpj17J4o3d XDpLIjR1X6aOKoWOMDqmjnC/vwQ3Zzmz84zfArb4bl0O9A/ENQ1XYuNJ5tohxWd0 LfWMOD6dUIaquuoRUSvWrnafgSqumjTYzLZeK5KLDT2xqAnBO3sfizjFq9c4AHO8 TkU74DZiIGH2VCGCQtm7v5gZGbGKJ0g2TndCbQhEa/OyvaNfZpItGJWCHY3kg5xd Wn60sk1L/HnwItwGH47xxeksc1TiuhqH3zfr4ztj9fenUnuLtmkjdhu8wZGjpYFq 2Jf2KIUJov4WLN6cyP51vf5L1+OoaSfZ/6nuaO+9bAa/j+GQiZpRQI95yEOcXBd/ QbAL1tA8w9IRpN/bZ5l+Hw9ZO9Q1hpLTV92xqOPvVDXvDR7xi/7R4dvRm86m9IcT FTtNLLkz76V0DTqgHWfNtwxulYa69NrZjtD+VooVw1BWMo8ExmQ= =54fa -----END PGP SIGNATURE----- Merge tag 'devicetree-for-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux Pull devicetree updates from Rob Herring: - Add a DT maintainer profile document - Various dt-check-style improvements - Add a devres managed reserved memory region init function - Print node name on any skipped reserved memory regions - Correctly handle optional argument in of_parse_phandle_with_args_map() - Convert ti,keystone-reset, ti,da850-vpif, TI L4 interconnect, TI SmartReflex, microchip,pic32mzda-dmt, microchip,pic32mzda-wdt, TI DA8XX MSTPRI bus, and Xen VM bindings to DT schema format - Add bindings for StarFive JHB100 plic, Allwinner A733 NMI controller, MediaTek MT8173 GPU, QCom Shikra, Eliza, and Maili cpu-bwmon, and QCom Shikra SCM firmware - A couple of syntax fixes found using PoC Rust implementation of dtschema tools - Clean-ups for typos, brackets, incorrect "::" usages, and white-space style * tag 'devicetree-for-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (40 commits) dt-bindings: interconnect: qcom-bwmon: Add Maili cpu-bwmon compatible dtc: dt-check-style: Simplify setting depth of DtsLine dtc: dt-check-style: Add missing /dts-v1/ to few test cases dt-bindings: power: reset: ti,keystone-reset: Convert to DT schema media: dt-bindings: ti,da850-vpif: Convert to dt-schema dt-bindings: devfreq: samsung,exynos-ppmu: Use standard regex syntax dt-bindings: interrupt-controller: mediatek,mt6577-sysirq: Drop invalid JSON pointer dt-bindings: arm: omap: Convert L4 interconnect to DT schema dt-bindings: power: Convert TI SmartReflex to DT schema of: reserved_mem: Introduce devres-managed initialization function dt-bindings: interrupt-controller: Add StarFive JHB100 plic dt-bindings: irq: sun7i-nmi: Document the Allwinner A733 NMI controller dt-bindings: Correct white-space style dt-bindings: fix typos and brackets docs: dt: submitting-patches: Mention expectation about dt-check-style docs: dt: maintainer: Add Devicetree and OF maintainer profile document docs: dt: writing-schema: Extend expectations about example part of binding dt-bindings: gpu: powervr-rogue: Add MediaTek MT8173 GPU of: base: Handle optional argument in of_parse_phandle_with_args_map() dt-bindings: update Sudeep Holla's email address ... |
||
|
Linus Torvalds
|
f4cdf7ca9a |
[GIT PULL for v7.3] media updates
-----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEE+QmuaPwR3wnBdVwACF8+vY7k4RUFAmqFXqYACgkQCF8+vY7k 4RWNtw//T8GAlfl1BDlqxcWQHPFLkGqogsZQUx8aITayUBXpOzWHK4neGM7QF2Za 9kmBi3OzWgW3hIfbW4/vQCBSdDmTLSjoYHjYsc2Y3Cr0RvxIoEFw0GILYzygE3gp y9sUFHs2S43Xh1n3LuTcu0woL8YcY/3SaMrvEA6uoSGmOETiIUIuNkLpUAOEWhrl hkpRHt160yFiADSr8Ve9435xnkf5GvC0rmf/jF/KSUuNXrQuEx+5LIWzmadQRhph 2o+LuOJClKenglguU+yMA/DNEJuxxT1LOUgEiw05U2I03N8DqpiCO8Mpp2/l0iXH fgYFpObz6LdkusUSePamR2XaA3+ViNM48ddg1xmo+1gYQ/ggipsVVWifZpGFs2hq lbHEPV2Va/hlVj5EZJh4E6PHzH3UkGii2zgiHw0W3XWtTXS/qVlRjQwlo4aZTKok KPlOCNY69XADqOCmSB+kEmuCULfqoiJChk0qeRJX+kETc7gT+Qx4Ej0WT9LdF+NV 7+gxMOgUJFuTr1HkhO5ZXWezikBsJUvLUFud8mV+4iAJldby23I4UEXUEPK7od+W 8RXyWvf9/0owE2E3dOqkoM2sz2WW17nWZe8bPV+NTX39qw5WBOpaPpZGxVzOWinS KUTHJkp/O/1ymWtMz4+B+8QTO7n6KUnVDdL4qkO8cOrJGZizxoU= =8fcn -----END PGP SIGNATURE----- Merge tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media Pull media updates from Mauro Carvalho Chehab: - v4l2-core: added ISP statistics support and per-block validation - v4l2-core: Allow unknown HDR10 white point and luminance - New camera sensors: Sony IMX678 and IMX471m, Himax HM1092 IR sensor - New codec: Milos: VPU v2.0 codec support - isp driver: gained support for Dreamchip RPPX1 ISP framework - vsp1 driver: gained support for RZ/T2H and RZ/N2H - Novalake driver: gained CVS support for new NVL hardware - dvb-core: fix feed leak on failed DMX_ADD_PID - several driver fixes, cleanups and minor improvements * tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (308 commits) media: ipu-bridge: check all DMI entries when overriding sensor rotation media: v4l2-async: avoid deleting unlinked ASC entry on link error media: rzg2l-cru: Align bytesperline to hardware DMA stride requirement media: intel/ipu6: fix async notifier cleanup leak on parse error media: staging/ipu7: fix async notifier UAF on probe error path media: amd: isp4: fix self-deadlock in isp4sd_pwron_and_init() error path media: amd: isp4: release partial allocations in isp4if_alloc_fw_gpumem() media: rcar-isp: Fix VSPX reference leaks media: rcar-isp: Release ISPCORE resources media: i2c: imx415: Release runtime PM reference on VBLANK error media: i2c: imx415: Return test pattern write errors media: renesas: vsp1: Declare index variables in for loop statement media: renesas: vsp1: Make reset control optional to support platforms without a reset line media: dt-bindings: media: renesas,vsp1: Document RZ/T2H and RZ/N2H SoCs media: dt-bindings: media: renesas,fcp: Document RZ/T2H and RZ/N2H SoCs media: nxp: imx8-isi: Add additional 32-bit RGB format support media: nxp: imx8-isi: Add 16-bit raw Bayer format support media: nxp: imx8-isi: Implement per-stream reference counting for multiplexed streams media: nxp: imx8-isi: Use BIT_ULL() for 64-bit stream masks media: nxp: imx8-isi: Correct color map between V4L2 and ISI ... |
||
|
Linus Torvalds
|
e5c91aac49 |
sound updates for 7.3-rc1
It was a fairly busy development cycle -- the changes spread over from
the core side to leaf drivers, with lots of cleanups and enhancements.
Here we go, some highlights:
* ALSA core:
- Extension of ALSA control component list ABI
- Locking optimization and RCU conversion of ALSA sequencer core
- A few hardening fixes for UMP and sequencer core
- Drop __bitwise and __force prefix from UAPI definitions
* ASoC:
- Automatic DAI format selection code deployment across many drivers
- Sorting of register default tables to prevent ordering issues in
many drivers
- Lots of code cleanups and refactoring
- Updates in Qualcomm driver stack
- New platforms: AMD ACP7.B/F, Cirrus Logic CS35L62, Loongson 2K0300,
Meson GX, Qualcomm LPI MI2S, SM8475, WSA855X, Realtek RT1321 VA1/2
and RT766/7
* HD-audio:
- Support for AW88399 HD-audio side codec for Lenovo Legion laptops
- Support for Hygon and Lisuan HDMI controllers
- Robustness fixes for wild device binding
- Lots of quirks/fixups: Realtek and Conexant codecs for ASUS, Lenovo,
Acer, etc
* USB-audio:
- Support for Pioneer DJ DJM-S11
- Scarlett2/FCP private URB notification fixes
- Extended quirk_flags to 64bit
- Hardening fixes for 6fire, bcd2000, usx2y
- Device-specific quirks for Mackie, Valeton, SPACETOUCH
* General:
- Auto-cleanup for put_device() and firmware loading across multiple
platforms
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Merge tag 'sound-7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound updates from Takashi Iwai:
"It was a fairly busy development cycle - the changes spread over from
the core side to leaf drivers, with lots of cleanups and enhancements.
Here we go, some highlights:
ALSA core:
- Extension of ALSA control component list ABI
- Locking optimization and RCU conversion of ALSA sequencer core
- A few hardening fixes for UMP and sequencer core
- Drop __bitwise and __force prefix from UAPI definitions
ASoC:
- Automatic DAI format selection code deployment across many drivers
- Sorting of register default tables to prevent ordering issues in
many drivers
- Lots of code cleanups and refactoring
- Updates in Qualcomm driver stack
- New platforms: AMD ACP7.B/F, Cirrus Logic CS35L62, Loongson
2K0300, Meson GX, Qualcomm LPI MI2S, SM8475, WSA855X, Realtek
RT1321 VA1/2 and RT766/7
HD-audio:
- Support for AW88399 HD-audio side codec for Lenovo Legion laptops
- Support for Hygon and Lisuan HDMI controllers
- Robustness fixes for wild device binding
- Lots of quirks/fixups: Realtek and Conexant codecs for ASUS,
Lenovo, Acer, etc
USB-audio:
- Support for Pioneer DJ DJM-S11
- Scarlett2/FCP private URB notification fixes
- Extended quirk_flags to 64bit
- Hardening fixes for 6fire, bcd2000, usx2y
- Device-specific quirks for Mackie, Valeton, SPACETOUCH
General:
- Auto-cleanup for put_device() and firmware loading across multiple
platforms"
* tag 'sound-7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (791 commits)
ALSA: hda: Fix connection list comparison in proc output
ALSA: docs: fix dead link to Intel HD-audio spec
ALSA: usb-audio: Add delay quirk for SPACETOUCH USB Audio
ALSA: hda: Add Lisuan HDMI controller and codec support
ALSA: hda/realtek: Fix Lenovo Yoga Slim 7 14AKP10 quirk ordering
ALSA: hda/tas2781: Add hardware stabilization delay during firmware load retries
ALSA: hda/realtek: Fix mute LED for HP Victus 15-fa1xxx (MB 8C3F)
ALSA: hda/realtek: Add micmute LED quirk for Acer Aspire A515-57
ASoC: tas2783-sdw: do not treat read-only Controls as writable
ASoC: SOF: validate topology volume range before allocation
ASoC: cs35l56: Use IRQ provided by the SoundWire core
soundwire: bus_type: Create IRQ mapping before calling driver probe()
ASoC: cs35l56: Move cs35l56_irq_request() after cs35l56_irq()
ASoC: cs35l56: Request IRQ in cs35l56_common_probe()
ALSA: core: Fix use-after-free in snd_card_do_free()
ALSA: hda/realtek: Drop duplicate quirk for Lenovo 0x17aa:0x38df
ALSA: usb-audio: Rename the Audient iD14 monitor mix volume control
ASoC: tas2781: Refactor calibration start kcontrol creation to separate helper
ASoC: dt-bindings: es8316: Fix supply property constraints
ALSA: seq: midi: Serialize input teardown with event_input
...
|
||
|
Linus Torvalds
|
a93f3bf4e1 |
hid-for-linus-2026081901
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Merge tag 'hid-for-linus-2026081901' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid
Pull HID updates from Jiri Kosina:
"Core:
- fix long-standing force-feedback initialization race across the
subsystem (Dmitry Torokhov)
- switch to system_dfl_wq (Marco Crivellari)
AMD-SFH:
- support for tablet-mode switch for AMD SFH-based systems (Basavaraj
Natikar)
HyperX:
- support for HyperX QuadCast 2 (Benjamin Blume)
I2C-HID:
- support for devices that provide HID descriptor solely through
the ACPI _DSM method (XIE Zhibang)
Intel-THC-HID:
- support for full I2C bus config parameters (Even Xu)
Logitech:
- HID++ 2.0 repogrammable button support (Elliot Douglas)
- Bolt receiver support for HID++ devices (Erik Håkansson)
MSI:
- support for MSI Claw (Derek J. Clark)
Steam:
- initial support for 2026 Steam Controller (Vicki Pfau)
- support for sensor events on the 2025 Steam Controller (Vicki Pfau)
And many, many other fixes for various long standing issues that were
found by new modern tools, and quite a few device ID additions"
* tag 'hid-for-linus-2026081901' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid: (146 commits)
HID: tmff: Use 64-bit arithmetic for force feedback scaling
HID: multitouch: reclassify HTIX5288 to WIN_8_FORCE_MULTI_INPUT_NSMU
HID: sensor: custom: Fix field sysfs group cleanup on failure
HID: sensor: custom: Fix use-after-free in enable_sensor
HID: intel-thc-hid: intel-quickspi: bound GET_REPORT response to the caller buffer
HID: haptic: don't write an uninitialized value to unhandled usages
HID: intel-thc-hid: intel-quickspi: fix autosuspend cleanup during teardown
HID: intel-thc-hid: intel-quicki2c: fix autosuspend cleanup during teardown
HID: steam: Zero out inputs when disabling gamepad mode
HID: steam: Clean up locking
HID: steam: Don't set feature reports when disconnecting
HID: steam: Fix wording of connect/disconnect logs
HID: steam: Initial 2026 Steam Controller support
HID: steam: Refactor registration
HID: logitech: add Bolt receiver support for Logitech HID++ devices
HID: sensor-hub: Fix out-of-bounds write in sensor_hub_get_feature
HID: universal-pidff: stop the device when force-feedback init fails
HID: haptic: move FF initialization into .input_configured()
HID: logitech-hidpp: move FF initialization to .input_configured()
HID: megaworld: move FF initialization to .input_configured()
...
|
||
|
Linus Torvalds
|
7acf90feab |
hwmon updates for v7.3
* New drivers
- Driver for Kandou KB9002 retimer
- Driver for the temp/voltage sensor on PolarFire SoC
- Driver for Eswin EIC7700 PVT sensor
- PMBus:
- Driver for Analog Devices MAX16545/MAX16550 and Volterra VT7505
- Drivers for Monolithic MPQ82D00 and MPQ8646
- Driver for Silergy SQ24860
* Added support to existing drivers
- asus-ec-sensors: Support for ROG STRIX Z390-E GAMING,
ProArt Z690-CREATOR WIFI, ROG STRIX X870E-E GAMING WIFI7 R2,
ROG CROSSHAIR X870E HERO, and ROG Maximus Z790 Hero
- asus_rog_ryujin: Siupport for ROG Ryujin III
- ina2xx: Support for INA232
- k10temp: Per-CCD temperature monitoring for Zen5 Turin
- nct6775: List NCT5585D as supported chip
- nzxt-kraken3: Support for NZXT Kraken 2024 Elite
- sht3x: Support for GXCAS GXHT30
- tmp102: Add device IDs for TMP110 and TMP113
- yogafan: Support for LOQ 15IAX9, XiaoXin Pro 13ARE 2020,
IdeaPad 3 15ALC6, Legion Pro 7 16AFR10H, Yoga Pro 7 14IAH10,
Yoga 7 16ARP8, and Lenovo LOQ 15IAX9
- PMBus:
- max20830: Support for max20830c and max20840c
- max34440: Support for MAX34452, and support for newer version
of max34451
- adm1275: Support for ROHM BD12780 and BD12790
* Other notable changes
- Constify various device attributes
- Remove redundant dev_err() and dev_err_probe() from various drivers
- applesmc: Convert to hwmon_device_register_with_info
- adt7470: Add thermal zone sensor support
- coretemp: Fix core_data leak on CPUs without PTS
- emc1403: Drop hysteresis for low limit temperature
- max6621: Fix various over- and underflow problems
- PMBus:
- Introduce pmbus_read_smbus_i2c_block_data() and use it in
various drivers
- Export and use pmbus_check_and_notify_faults()
- Let PMBus drivers report the supported PMBus revision
* Various other minor fixes and improvements
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Merge tag 'hwmon-for-v7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon updates from Guenter Roeck:
"New drivers:
- Kandou KB9002 retimer
- PolarFire SoC temp/voltage sensor
- Eswin EIC7700 PVT sensor
- PMBus:
- Analog Devices MAX16545/MAX16550 and Volterra VT7505
- Monolithic MPQ82D00 and MPQ8646
- Silergy SQ24860
Added support to existing drivers:
- asus-ec-sensors: Support for ROG STRIX Z390-E GAMING, ProArt
Z690-CREATOR WIFI, ROG STRIX X870E-E GAMING WIFI7 R2, ROG CROSSHAIR
X870E HERO, and ROG Maximus Z790 Hero
- asus_rog_ryujin: Siupport for ROG Ryujin III
- ina2xx: Support for INA232
- k10temp: Per-CCD temperature monitoring for Zen5 Turin
- nct6775: List NCT5585D as supported chip
- nzxt-kraken3: Support for NZXT Kraken 2024 Elite
- sht3x: Support for GXCAS GXHT30
- tmp102: Add device IDs for TMP110 and TMP113
- yogafan: Support for LOQ 15IAX9, XiaoXin Pro 13ARE 2020, IdeaPad 3
15ALC6, Legion Pro 7 16AFR10H, Yoga Pro 7 14IAH10, Yoga 7 16ARP8,
and Lenovo LOQ 15IAX9
- PMBus:
- max20830: Support for max20830c and max20840c
- max34440: Support for MAX34452, and support for newer version of
max34451
- adm1275: Support for ROHM BD12780 and BD12790
Other notable changes:
- Constify various device attributes
- Remove redundant dev_err() and dev_err_probe() from various drivers
- applesmc: Convert to hwmon_device_register_with_info
- adt7470: Add thermal zone sensor support
- coretemp: Fix core_data leak on CPUs without PTS
- emc1403: Drop hysteresis for low limit temperature
- max6621: Fix various over- and underflow problems
- PMBus:
- Introduce pmbus_read_smbus_i2c_block_data() and use it in
various drivers
- Export and use pmbus_check_and_notify_faults()
- Let PMBus drivers report the supported PMBus revision
Various other minor fixes and improvements"
* tag 'hwmon-for-v7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (110 commits)
hwmon: (emc1403) Drop hysteresis for low limit temperature
hwmon: (coretemp) Fix core_data leak on CPUs without PTS
hwmon: (max6621) fix negative temperature offset and crit readings
hwmon: (max6621) fix temperature clamp range
hwmon: (asus_rog_ryujin) Add ROG Ryujin III White Edition
hwmon: (asus_rog_ryujin) Add ROG Ryujin III support
hwmon: (asus_rog_ryujin) Add per-device configuration
hwmon: (k10temp) Add per-CCD temperature monitoring for Zen5 Turin
hwmon: (tmp102) Add TMP113 device ID
hwmon: (tmp102) Add TMP110 device ID
hwmon: (nct6775) Add NCT5585D to list of supported chips
Documentation: hwmon: (nct6775) Add missing NCT6797D and NCT6798D
hwmon: (emc1403) Add regulator support
hwmon: (emc1403) Convert to use OF bindings
dt-bindings: hwmon: Document SMSC EMC1402/1403/1404/1428
hwmon: (asus-ec-sensors) add ROG STRIX Z390-E GAMING
hwmon: (sysfs) Allow drivers to register const attributes
hwmon: (corsair-psu) Update documentation
hwmon: (core) Use const APIs for the dynamically allocated sysfs attributes
hwmon: (core) Constify device attributes
...
|
||
|
Linus Torvalds
|
4e1b759c06 |
watchdog updates for v7.3
* New Drivers - Nuvoton MA35D1 - Lenovo SE30G2 and SE60 * Added support to existing drivers - snps,dw-wdt: Add RV1106 compatible - apple,wdt: Add t6030, t6031, and t8132 compatibles * Other notable changes - New "dump" pretimeout governor - Propagate errors from optional IRQ lookup - Remove redundant dev_err() and dev_err_probe() messages - npcm, qcom: Improved bootstatus reports - realtek-otto: Change to use regmap API - w83627hf_wdt: Report running watchdog, identify NCT6126 * Various other minor fixes and improvements -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEiHPvMQj9QTOCiqgVyx8mb86fmYEFAmqDYDcACgkQyx8mb86f mYGbiBAAkL3MIf4R7bguS1K9xS1iGqYEpZsnlPKcj3vrU5mTOHUrP2QxacltmDQV PVgwSC3ExWjGEoR/HMQqIaz3UEPZVNMc97Q/8OK1ewoSpQHTYAVIYhL9vs9GxuCc K2Iw5zu3A0HtLfj8bWbr4b1KxDBLsr+dK0VtVJfz+Oqk9GGKALf4H92IJogdqJXg ESG0Gl4Ap4GvPywSc5YtNI6BOeUUYaAPeTH8ahdXAIZjXKtbHgU6JTaTC/5MIQ5i Gjn+6BGjUkk1CYBxLTC+iFL/9N/CP8HxczOKBnIC3WQ32ZK17vMFo5C5JE3N2U9Y KiN1AKW79mzXD9VphQudB6RdPtPHusbZU8nW8MkebK0vD8wDYbHX4LcTUHn5kbyh V8pPNV+hXgO6WvAtqkrcb84W2M1iyWQpz0lcQ0f7sI5dtZz+K/d0tF6Chho9F9m2 0ozR3hFWOZiJoXKZ5M1b1TcU+5c6tcGiK8WWLq/H9f29RI9eA097W2QP6ZzkOOzh g7KhL27YXnyHpg1FZV+qZS+kaWuskdEOHfIqS+gHGldJefUyAAHS8pCZQVaXsdK9 grK4hBtfO65Cbw/H2GA3yz0zYhxzWCTJ9WJqQeMK3kvjqWOxGckfhEx1EbuHCmt1 4b9CPGEvT/7x8iKfUpHbjUEZY4i2wtkqC5kQzZGXBVgQEC6sQ0A= =IefI -----END PGP SIGNATURE----- Merge tag 'watchdog-for-v7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging Pull watchdog updates from Guenter Roeck: "New Drivers: - Nuvoton MA35D1 - Lenovo SE30G2 and SE60 Added support to existing drivers: - snps,dw-wdt: Add RV1106 compatible - apple,wdt: Add t6030, t6031, and t8132 compatibles Other notable changes: - New "dump" pretimeout governor - Propagate errors from optional IRQ lookup - Remove redundant dev_err() and dev_err_probe() messages - npcm, qcom: Improved bootstatus reports - realtek-otto: Change to use regmap API - w83627hf_wdt: Report running watchdog, identify NCT6126 Various other minor fixes and improvements" * tag 'watchdog-for-v7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (40 commits) watchdog: orion_wdt: Propagate errors from optional IRQ lookup watchdog: qcom: Propagate errors from optional IRQ lookup watchdog: aspeed: Propagate errors from optional IRQ lookup watchdog: stm32_iwdg: Propagate errors from optional IRQ lookup watchdog: dw_wdt: Propagate errors from optional IRQ lookup watchdog: mediatek: Propagate errors from optional IRQ lookup watchdog: apple: Constify some structures watchdog: pretimeout: Convert dump pretimeout governor to tristate nmi: Export CPU backtrace APIs for loadable modules watchdog: booke_wdt: Document unused parameter of __booke_wdt_disable() watchdog: wdat_wdt: map registers that fall inside ACPI NVS watchdog: Add Nuvoton MA35D1 watchdog driver support dt-bindings: watchdog: Add MA35D1 Watchdog watchdog: qcom: report bootstatus on IPQ9574 and IPQ5332 watchdog: qcom: report WDIOF_POWERUNDER in bootstatus watchdog: sprd: Remove redundant dev_err() watchdog: sama5d4: Remove redundant dev_err() watchdog: realtek_otto: Remove redundant dev_err_probe() watchdog: orion: Remove redundant dev_err() watchdog: marvell_gti: Remove redundant dev_err_probe() ... |
||
|
Linus Torvalds
|
307b9ddbbc |
spi: Updates for v7.3
Along with a lot of driver specific work we've got a couple of core
features here. The bigger one is that we've now got support for
instantiating devices from sysfs similarly to how it's already done for
I2C, this is used with development boards with non-enumerable expansion
headers since SPI devices need to be manually specified. We also have
support for the DQS signal on higher end flash devices.
- Support for intantiating devices from sysfs, useful for development
boards with non-enumerable plugin modules, from Vishwaroop A.
- Support for DQS in spi-mem, an additional signal used by flash
devices to avoid clock skew from Miquel Raynal.
- Support for more advanced SPI modes on DesignWare controllers from
Sudip Mukherjee.
- Changes from Jisheng Zhang to update to modern methods of specifying
the PM callbacks.
- Fixes for DMA mapping error handling, plus KUnit tests for this, from
Honghui Jiang.
- Substantial cleanup and performance work in the nxp-spi driver.
- Support for Microchip LAN969x, Nuvoton MA35D1 QSPI, Qualcomm SA8255p
and SA8797P, and StarFive JHB100 SFC.
There is a trivial add/add conflict with the KUnit tree in their
all_tests.config.
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Merge tag 'spi-v7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi updates from Mark Brown:
"Along with a lot of driver specific work we've got a couple of core
features here. The bigger one is that we've now got support for
instantiating devices from sysfs similarly to how it's already done
for I2C, this is used with development boards with non-enumerable
expansion headers since SPI devices need to be manually specified. We
also have support for the DQS signal on higher end flash devices.
- Support for instantiating devices from sysfs, useful for
development boards with non-enumerable plugin modules, from
Vishwaroop A.
- Support for DQS in spi-mem, an additional signal used by flash
devices to avoid clock skew from Miquel Raynal.
- Support for more advanced SPI modes on DesignWare controllers from
Sudip Mukherjee.
- Changes from Jisheng Zhang to update to modern methods of
specifying the PM callbacks.
- Fixes for DMA mapping error handling, plus KUnit tests for this,
from Honghui Jiang.
- Substantial cleanup and performance work in the nxp-spi driver.
- Support for Microchip LAN969x, Nuvoton MA35D1 QSPI, Qualcomm
SA8255p and SA8797P, and StarFive JHB100 SFC"
* tag 'spi-v7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (132 commits)
spi: Add KUnit coverage for DMA mapping error paths
spi: Clear current DMA devices when unmapping a message
spi: Move __spi_unmap_msg() before __spi_map_msg()
spi: Fix DMA mapping ownership on partial map failure
spi: dt-bindings: sun6i: Add compatibles for A733's SPI controllers
spi: ma35d1-qspi: Use the existing update helper
spi: ma35d1-qspi: Add DTR support
spi: ma35d1-qspi: Allow several command bytes
spi: ma35d1-qspi: Move speed setting to bus configuration
spi: ma35d1-qspi: Remove redundant reset operation
spi: dw: Remove shadowed dws in dw_spi_setup()
spi: img-spfi: don't disable runtime PM on DMA deferred probe
spi: mtk-nor: Propagate errors from IRQ request
spi: mtk-nor: Propagate errors from optional IRQ lookup
spi: spi-qpic-snand: Handle Macronix quad read opcode 0x6b
spi: spi-qpic-snand: add quad mode support
spi: spi-qpic-snand: move command mapping helper
spi: hisi-sfc-v3xx: Propagate errors from optional IRQ lookup
spi: meson-spifc: use devm_pm_runtime_set_active_enabled
spi: sprd-adi: Fix probe succeeding without registering the controller
...
|
||
|
Linus Torvalds
|
b3438e5ca7 |
regulator: Updates for v7.3
This is a relatively quiet release for the regulator API, we've had no
major core work and not really that much driver work either. There's a
bunch of activity, including several new devices, but nothing hugely
remarkable here.
- Reworking of the mode handling in the max14577 driver to fix issues
with collisions with enables.
- Support for onsemi FAN53555BUC23X, Qualcomm IPQ9650, PM4125 VBUS and
PM8150B and Unisoc SC2730.
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Merge tag 'regulator-v7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator updates from Mark Brown:
"This is a relatively quiet release for the regulator API, we've had no
major core work and not really that much driver work either. There's a
bunch of activity, including several new devices, but nothing hugely
remarkable here.
- Reworking of the mode handling in the max14577 driver to fix issues
with collisions with enables
- Support for onsemi FAN53555BUC23X, Qualcomm IPQ9650, PM4125 VBUS
and PM8150B and Unisoc SC2730"
* tag 'regulator-v7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (36 commits)
regulator: fan53555: Add support for FAN53555BUC23X type
regulator: qcom-rpmh: Fix coding style issues
regulator: qcom-rpmh: readback voltage/bypass/mode set during bootup
regulator: qcom-rpmh: Fix PMIC5 BOB bypass mode handling
soc: qcom: rpmh: Add support to read back resource settings
regulator: dt-bindings: ti,pbias-omap: Convert to DT schema
regulator: ab8500: Remove stale expand_register kernel-doc entry
regulator: dt-bindings: Correct white-space style
regulator: pfuze100: add set_suspend_disable for LDO ops
regulator: core: use system_freezable_wq for init complete work
regulator: rt6245: Restore state on enable failure
regulator: tps65185: handle gpiod_get_value_cansleep() error returns
regulator: fan53555: Add support for mode operations on Silergy devices
regulator: dt-bindings: Add fan53555 allowed modes
regulator: wm831x-isink: remove conditional return with no effect
regulator: dt-bindings: Convert ltc3589.txt to yaml format
regulator: dt-bindings: tps51632: Convert to DT schema
regulator: mcp16502: Convert to dev_err_probe() in mcp16502_probe()
regulator: adp5055: Fix error code in adp5055_of_parse_cb()
regulator: qcom_usb_vbus: add support for qcom,pm4125-vbus-reg
...
|
||
|
Linus Torvalds
|
ee1b6365f0 |
pmdomain providers:
- amlogic: Add support for A9 power domains
- bcm: Raise ASB poll timeout to 100us for bcm2835-power
- imx: Allow building power domain drivers as a modules
- mediatek: Add support for the MT6858 power domains
- mediatek: Add support for the MT8196 HFRP DirectCTL power domains
- qcom: Add support for RPMh power domains for Maili
- qcom: Skip retention by default for rpmhpd
- renesas: Add support for R-Car X5H Module Controller
- rockchip: Add a regulator to the RK3568 NPU power domain
- tegra: Add support for multi-socket platforms
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Merge tag 'pmdomain-v7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm
Pull pmdomain updates from Ulf Hansson:
- amlogic: Add support for A9 power domains
- bcm: Raise ASB poll timeout to 100us for bcm2835-power
- imx: Allow building power domain drivers as a modules
- mediatek:
- Add support for the MT6858 power domains
- Add support for the MT8196 HFRP DirectCTL power domains
- qcom:
- Add support for RPMh power domains for Maili
- Skip retention by default for rpmhpd
- renesas: Add support for R-Car X5H Module Controller
- rockchip: Add a regulator to the RK3568 NPU power domain
- tegra: Add support for multi-socket platforms
* tag 'pmdomain-v7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm: (24 commits)
pmdomain: renesas: Add R-Car X5H MDLC driver
dt-bindings: power: Document Renesas R-Car X5H Module Controller
pmdomain: amlogic: Add support for A9 power domains controller
dt-bindings: power: Add Amlogic A9 power domains
clk: imx: imx8qxp: add soft dependency on SCU power domain driver
pmdomain: imx: scu-pd: allow building as a module
of: export of_stdout symbol
pmdomain: imx8m{p,}-blk-ctrl: Add MODULE_DESCRIPTION
pmdomain: mediatek: Add support for MT6858 SoC
pmdomain: mediatek: Add support for secure modem power domain control
dt-bindings: power: Add MediaTek MT6858 power domain controller
pmdomain: rockchip: Add a regulator to the RK3568 NPU power domain
pmdomain: imx: Make IMX8M/IMX9 BLK_CTRL tristate
dt-bindings: power: qcom,rpmpd: document RPMh power domain for Maili
pmdomain: tegra: Add support for multi-socket platforms
pmdomain: bcm: bcm2835-power: Raise ASB poll timeout to 100us
pmdomain: mediatek: Add support for MT8196 HFRP DirectCTL domains
pmdomain: mediatek: Add support for Direct CTL simple power sequence
pmdomain: mediatek: Respect PD relationships during error cleanup
dt-bindings: power: mediatek: Add support for MT8196 direct HFRP
...
|
||
|
Linus Torvalds
|
abea5c3493 |
i2c for v7.3
Core and helpers:
- support bus recovery with single-ended GPIOs
- acpi: clean up resource handling
- acpi: force ELAN1300 to 100 kHz
- algo-bit: allow consumers to skip the optional bus test
Drivers:
- use generic bus frequency definitions in nomadik,
octeon-core, microchip-corei2c, k1, davinci and pnx
- i2c-gpio: support multiple buses sharing the same SCL line
- qup: propagate clock enable failures
- spacemit: configure SCL timing and clean up clock handling
- amd-asf: guard against oversized firmware length
qcom-geni:
- add tracepoints for bus setup, interrupts and errors
- use dedicated completion events for abort and reset
- distinguish address and data NACK handling
- cancel transfers before falling back to abort
- simplify runtime PM and resource management
- refactor resource and serial engine initialization
DT bindings:
- convert Altera bindings to DT schema
- convert Axxia bindings to DT schema
New support:
- R-Car Gen5 and R-Car X5H
- Axiado AX3005
- Qualcomm Nord SA8797P
- Qualcomm SA8255p
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Merge tag 'i2c-7.3-part1' of git://git.kernel.org/pub/scm/linux/kernel/git/andi.shyti/linux
Pull i2c updates from Andi Shyti:
"The main changes are support for shared SCL lines in i2c-gpio, a
larger qcom-geni update covering tracing and transfer recovery and
support for R-Car Gen5.
The rest is mostly smaller driver, core and DT binding updates.
Core and helpers:
- support bus recovery with single-ended GPIOs
- acpi: clean up resource handling
- acpi: force ELAN1300 to 100 kHz
- algo-bit: allow consumers to skip the optional bus test
Drivers:
- use generic bus frequency definitions in nomadik, octeon-core,
microchip-corei2c, k1, davinci and pnx
- i2c-gpio: support multiple buses sharing the same SCL line
- qup: propagate clock enable failures
- spacemit: configure SCL timing and clean up clock handling
- amd-asf: guard against oversized firmware length
qcom-geni:
- add tracepoints for bus setup, interrupts and errors
- use dedicated completion events for abort and reset
- distinguish address and data NACK handling
- cancel transfers before falling back to abort
- simplify runtime PM and resource management
- refactor resource and serial engine initialization
DT bindings:
- convert Altera bindings to DT schema
- convert Axxia bindings to DT schema
New support:
- R-Car Gen5 and R-Car X5H
- Axiado AX3005
- Qualcomm Nord SA8797P
- Qualcomm SA8255p"
* tag 'i2c-7.3-part1' of git://git.kernel.org/pub/scm/linux/kernel/git/andi.shyti/linux: (33 commits)
i2c: core: support recovery for single-ended GPIOs
i2c: rcar: add R-Car Gen5 support
dt-bindings: i2c: rcar-i2c: Document R-Car X5H support
i2c: i2c-gpio: Enhance driver for buses with shared SCL
i2c: algo: bit: Allow to skip bit test
i2c: qcom-geni: Add trace events for Qualcomm GENI I2C driver
i2c: qcom-geni: trace: Add trace events for Qualcomm GENI I2C
i2c: qup: Propagate clock enable failures
i2c: qcom-geni: distinguish address-phase and data-phase NACK
i2c: qcom-geni: use dedicated completions for abort and reset events
i2c: qcom-geni: use cancel command before abort on transfer timeout
dt-bindings: i2c: cdns: add Axiado AX3005 I2C variant
i2c: qcom-geni: Use devm_pm_runtime_enable() for PM management
dt-bindings: i2c: qcom,sa8255p-geni-i2c: Add compatible for Nord SA8797P
i2c: nomadik: Use generic definitions for bus frequencies
i2c: octeon-core: Use generic definitions for bus frequencies
i2c: microchip-corei2c: Use generic definitions for bus frequencies
i2c: k1: Use generic definitions for bus frequencies
i2c: davinci: Use generic definitions for bus frequencies
i2c: pnx: Use generic definitions for bus frequencies
...
|
||
|
Linus Torvalds
|
7711f4417f |
gpio updates for v7.3-rc1
GPIO core:
- extend the gpio-regmap abstraction layer with more features allowing users
to override configuration setting, translate register values and masks and
enable/disable interrupts
- extend GPIO kunit tests with suites verifying probe ordering by software
node devlink support and software node hogs
- shrink GPIO kunit initialization code
- coding style updates (remove commas from sentinels where applicable)
- with all users now converted treewide to using real firmware node links for
software node GPIO lookup: remove the deprecated label-matching mechanism
from from GPIO core
- drop redundant return value check of nonseekable_open() in gpiolib-cdev
- use IRQ trigger helpers where applicable
Driver updates:
- refactor error paths and logging in gpio-nomadik
- use more modern interfaces for getting resources in gpio-rockchip,
gpio-bt8xx and gpio-pca9570
- add missing MODULE_DEVICE_TABLE() to gpio-sifive and gpio-vf610
- drop unused FILONOFF macro from gpio-rcar
- extend build coverage of ioport GPIO drivers with COMPILE_TEST=y
- only enable the gpio-rtd driver by default with ARCH_REALTEK=y to avoid
bloating the build
- refactor coding style in several drivers
- use correct endianess translation in gpio-pcf85x
- add wake-up interrupt support to gpio-mvebu
- apply initial value in direction output setter in gpio-by-pinctrl
Misc:
- replace linux/gpio.h inclusions treewide with linux/gpio/legacy.h which now
exports all the deprecated APIs
- select GPIOLIB_LEGACY in Kconfig where required treewide
- use software nodes for gpio-keys in MFD drivers
Devicetree bindings:
- describe the realtek rtd1625 GPIO controller
- document new models for gpio-pca95xx and gpio-cadence
- document new property in gpio-rockchip
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Merge tag 'gpio-updates-for-v7.3-rc1-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio updates from Bartosz Golaszewski:
"GPIO core:
- extend the gpio-regmap abstraction layer with more features
allowing users to override configuration setting, translate
register values and masks and enable/disable interrupts
- extend GPIO kunit tests with suites verifying probe ordering by
software node devlink support and software node hogs
- shrink GPIO kunit initialization code
- coding style updates (remove commas from sentinels where
applicable)
- with all users now converted treewide to using real firmware node
links for software node GPIO lookup: remove the deprecated
label-matching mechanism from from GPIO core
- drop redundant return value check of nonseekable_open() in
gpiolib-cdev
- use IRQ trigger helpers where applicable
Driver updates:
- refactor error paths and logging in gpio-nomadik
- use more modern interfaces for getting resources in gpio-rockchip,
gpio-bt8xx and gpio-pca9570
- add missing MODULE_DEVICE_TABLE() to gpio-sifive and gpio-vf610
- drop unused FILONOFF macro from gpio-rcar
- extend build coverage of ioport GPIO drivers with COMPILE_TEST=y
- only enable the gpio-rtd driver by default with ARCH_REALTEK=y to
avoid bloating the build
- refactor coding style in several drivers
- use correct endianess translation in gpio-pcf85x
- add wake-up interrupt support to gpio-mvebu
- apply initial value in direction output setter in gpio-by-pinctrl
Misc:
- replace linux/gpio.h inclusions treewide with linux/gpio/legacy.h
which now exports all the deprecated APIs
- select GPIOLIB_LEGACY in Kconfig where required treewide
- use software nodes for gpio-keys in MFD drivers
Devicetree bindings:
- describe the realtek rtd1625 GPIO controller
- document new models for gpio-pca95xx and gpio-cadence
- document new property in gpio-rockchip"
* tag 'gpio-updates-for-v7.3-rc1-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux: (61 commits)
gpio: gpio-by-pinctrl: Apply initial value in direction output wrapper
dt-bindings: gpio: rockchip,gpio-bank: Add rockchip,grf property
gpio: Use IRQ trigger mask helpers
gpio: allow COMPILE_TEST for IOPORT drivers
gpio: realtek: Add driver for Realtek DHC RTD1625 SoC
gpio: regmap: Add IRQ enable/disable helpers
gpio: regmap: Add set_config callback
gpio: regmap: Add value_xlate callback
gpio: regmap: Add gpio_regmap_operation to extend reg_mask_xlate callback
gpio: regmap: Order kernel-doc descriptions with the actual appearance
gpio: regmap: Apply default resource callbacks for regmap IRQ chip
gpio: regmap: Provide default IRQ resource request and release callbacks
Revert "gpio: realtek: Add driver for Realtek DHC RTD1625 SoC"
gpib: gpio: replace linux/gpio.h inclusion
Input: matrix_keyboard - replace linux/gpio.h inclusion
phy: replace linux/gpio.h inclusions
pcmcia: replace linux/gpio.h inclusions
ASoC: replace linux/gpio.h inclusions
mfd: replace linux/gpio.h inclusions
sh: replace linux/gpio.h inclusions
...
|
||
|
Linus Torvalds
|
a288cd69f7 |
pwm: Changes for v7.3-rc1
A bunch of cleanups---in C and Rust---and a devicetree and driver extension for a new SoC variant. Thanks for Biju Das, Francis Laniel, Guru Das Srinagesh, Markus Elfring, Mikko Perttunen, Thierry Reding, and Yi-Wei Wang for their changes and further Alexandre Courbot, Benno Lossin, Chen Wang, Geert Uytterhoeven, Jon Hunter, Laurent Pinchart, Michal Wilczynski, Mikko Perttunen, and Rob Herring for valuable review feedback. -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEP4GsaTp6HlmJrf7Tj4D7WH0S/k4FAmqCN9MACgkQj4D7WH0S /k6YZwgAkCOWUj5cZbcFfNE+AoUyuikvH8zfECfDInGDJMOSSP1BJp1Gfby04D4w kPtSvIEpECri6xVkW8vYRKZV2HZVeXCiKFXK8Yz/Z2udOOsDmkTsTBKlYQmyY5nO lEOhUnXZ2IgpnAfRRcPmtBxzTQdLpH8Y9xncj77Mhl4qbMqsHC886C4RbxiDyksw EAd6U30MbbkPHntQB1/s4rBtqSR9B72L/d84BD9Kbq+N2wvZYpGd9Ym9fG2z3SQg rb3XGh+9kE38CO9e+CxTjlzq0wmIq90kJlmHmoPJGazlW2pmDj2pyYr/yEd6w4VM 85pzQx6oXgx09N53nD3+ncs+SynDoQ== =dAjh -----END PGP SIGNATURE----- Merge tag 'pwm/for-7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ukleinek/linux Pull pwm updates from Uwe Kleine-König: "A bunch of cleanups - in C and Rust - and a devicetree and driver extension for a new SoC variant. Thanks to Biju Das, Francis Laniel, Guru Das Srinagesh, Markus Elfring, Mikko Perttunen, Thierry Reding, and Yi-Wei Wang for their changes and further Alexandre Courbot, Benno Lossin, Chen Wang, Geert Uytterhoeven, Jon Hunter, Laurent Pinchart, Michal Wilczynski, Mikko Perttunen, and Rob Herring for valuable review feedback" * tag 'pwm/for-7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ukleinek/linux: pwm: th1520: use vertical import style rust: pwm: replace `core::mem::zeroed` with `pin_init::zeroed` pwm: rzg2l-gpt: Drop unused rzg2l_gpt_chip parameter from rzg2l_gpt_calculate_prescale() pwm: Use seq_putc() calls in pwm_dbg_show() pwm: tegra: Add support for Tegra264 pwm: tegra: Parametrize duty and scale field widths pwm: tegra: Modify read/write accessors for multi-register channel pwm: tegra: Avoid hard-coded max clock frequency pwm: tegra: Prefix driver-local macros and functions dt-bindings: pwm: Document Tegra264 controller pwm: lpss-pci: Unify coding style of pci_device_id array pwm: Unify coding style of of_device_id arrays pwm: Unify coding style of acpi_device_id arrays pwm: Use named initializers for arrays of acpi_device_id pwm: pca9685: Drop unused assignment of acpi_device_id driver data pwm: pxa: Depend on OF and simplify accordingly pwm: Use named initializers for platform_device_id arrays pwm: mc33xs2410: Initialize spi_device_id arrays using member names |
||
|
Linus Torvalds
|
1be05c6afb |
Input updates for v7.3-rc0
- A new driver and device tree binding for Imagis ISA1200 haptic motor controller - Improvements to input core opening, closing and inhibiting devices, ensuring devices are fully ready before delivering events, deferring handler start() until the device is opened, resyncing state on uninhibit, and rejecting inhibit requests during unregistration - Updates to cap11xx capacitive touch driver to support Microchip CAP1114, optional hardware reset GPIO handling, and per-chip LED constraints - Fixes for MELFAS MMS114 touchscreen driver hardening incoming data parsing, endianness fixes for I2C packet layout, Y-resolution configuration, and refactoring to use chip variant descriptors - Updates for psmouse driver resolving a potential UAF during protocol disconnect, cleaning up PNP ID matching, and making use of guard() - Fix for FocalTech PS/2 protocol to prevent coordinate underflow and cursor jumps at boundaries - A change to Synaptics driver to enable InterTouch (SMBus) mode on Dell Inspiron 3521 - Refactoring of PA-RISC keyboard support in gscps2 to supply keymaps via software node device properties, removing architecture-specific tables from the generic atkbd driver - Updates to Samsung keypad driver to keep interrupts disabled while device is closed, along with wakeup logic cleanups and use of pm_runtime_active guards - Updates to NXP i.MX SNVS power key driver to report press events during resume to avoid lost events, and error handling cleanups - Updated TCA8418 keypad driver enabling overflow mode per hardware errata - Conversion of ROHM BD718x7 and BD71828 PMIC drivers to instantiate gpio-keys child devices using software nodes instead of platform data (coming from MFD immutable branch) - Updates to Synaptics RMI4 driver to use touchscreen dimensions from platform data when specified - Firmware update speed optimization for IC Type 0x19 in ELAN I2C driver - A fix to Azoteq IQS5xx driver to validate firmware record spans against programmable map size - Update to Samsung SUR40 contact count based on PixelSense specification - A number of updates to device tree bindings, including TI TPS65217 power button schema conversion and new compatibles for FocalTech FT3D81 and Synaptics S3706B - Other assorted driver cleanups, style fixes, and conversions to modern string and cleanup helpers -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQST2eWILY88ieB2DOtAj56VGEWXnAUCaoFTdwAKCRBAj56VGEWX nPMxAP9MpDgWs3mIjYFwg555CQyD0ZD44WOC48yQtt7hfYW/GQEArVmBQY0YW9D6 DiSCos8VK7bCZFcLwrVpe+BzbP6E2QA= =FEOj -----END PGP SIGNATURE----- Merge tag 'input-for-v7.3-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input Pull input updates from Dmitry Torokhov: - A new driver and device tree binding for Imagis ISA1200 haptic motor controller - Improvements to input core opening, closing and inhibiting devices, ensuring devices are fully ready before delivering events, deferring handler start() until the device is opened, resyncing state on uninhibit, and rejecting inhibit requests during unregistration - Updates to cap11xx capacitive touch driver to support Microchip CAP1114, optional hardware reset GPIO handling, and per-chip LED constraints - Fixes for MELFAS MMS114 touchscreen driver hardening incoming data parsing, endianness fixes for I2C packet layout, Y-resolution configuration, and refactoring to use chip variant descriptors - Updates for psmouse driver resolving a potential UAF during protocol disconnect, cleaning up PNP ID matching, and making use of guard() - Fix for FocalTech PS/2 protocol to prevent coordinate underflow and cursor jumps at boundaries - A change to Synaptics driver to enable InterTouch (SMBus) mode on Dell Inspiron 3521 - Refactoring of PA-RISC keyboard support in gscps2 to supply keymaps via software node device properties, removing architecture-specific tables from the generic atkbd driver - Updates to Samsung keypad driver to keep interrupts disabled while device is closed, along with wakeup logic cleanups and use of pm_runtime_active guards - Updates to NXP i.MX SNVS power key driver to report press events during resume to avoid lost events, and error handling cleanups - Updated TCA8418 keypad driver enabling overflow mode per hardware errata - Conversion of ROHM BD718x7 and BD71828 PMIC drivers to instantiate gpio-keys child devices using software nodes instead of platform data (coming from MFD immutable branch) - Updates to Synaptics RMI4 driver to use touchscreen dimensions from platform data when specified - Firmware update speed optimization for IC Type 0x19 in ELAN I2C driver - A fix to Azoteq IQS5xx driver to validate firmware record spans against programmable map size - Update to Samsung SUR40 contact count based on PixelSense specification - A number of updates to device tree bindings, including TI TPS65217 power button schema conversion and new compatibles for FocalTech FT3D81 and Synaptics S3706B - Other assorted driver cleanups, style fixes, and conversions to modern string and cleanup helpers * tag 'input-for-v7.3-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (61 commits) Input: rmi4 - use platform data instead of query, when available Input: elan_i2c - sort include statements Input: elan_i2c - optimize update speed for IC Type 0x19. Input: elan_i2c - use device-id/acpi.h for ACPI IDs Input: reject inhibit and uninhibit requests on unregistering devices Input: defer handler's start() until device is opened Input: call handler->start() when uninhibiting device Input: clear inhibited flag before re-opening device on uninhibit Input: ensure device is ready before delivering events Input: gscps2 - supply PA-RISC keyboard keymap via device property Input: synaptics_i2c - return 0 explicitly on success Input: rmi_smbus - remove conditional return with no effect Input: pmic8xxx-keypad - remove conditional return with no effect Input: focaltech - use signed coordinates to prevent underflow Input: psmouse - use guard() for resource management Input: psmouse - modernize PNP ID parsing Input: psmouse - clean up locking around disable_work_sync() Input: psmouse - fix use-after-free during protocol disconnect Input: samsung-keypad - use pm_runtime_active guard Input: samsung-keypad - keep interrupt disabled while closed ... |
||
|
Linus Torvalds
|
e8bf40d154 |
chrome-platform-firmware: Updates for v7.3
* Fixes
- Don't map no-map memory regions for CBMEM entries.
- Check bound of coreboot table entries.
* Cleanups
- Fix typo in docs.
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Merge tag 'chrome-platform-firmware-v7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux
Pull chrome platform firmware updates from Tzung-Bi Shih:
"Fixes:
- Don't map no-map memory regions for CBMEM entries
- Check bound of coreboot table entries
Cleanups:
- Fix typo in docs"
* tag 'chrome-platform-firmware-v7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux:
firmware: coreboot: Validate table bounds
firmware: coreboot: Skip no-map CBMEM entries
docs: ABI: testing: Fix typo
|
||
Jiri Kosina
|
d89f04ac41 |
Merge branch 'for-7.3/core' into for-linus
- fix long-standing force-feedback initialization race across the subsystem (Dmitry Torokhov) - switch to system_dfl_wq (Marco Crivellari) |
||
|
Linus Torvalds
|
368cf60c36 |
soc: drivers for 7.3
The SoC driver changes once more consist of many small fixes and
cleanups, that are to a large part the result of automated testing. On
platform specific drivers, this includes SoC specific code for xilinx,
freescale/nxp, qualcomm, TI, aspeed, omap, tegra, samsung, rockchip,
renesas, ixp4xx. In firmware drivers, we see a similar picture for
SCMI and qcomtee.
Aside from these, we see actual new hardware support in a few
areas:
- The Apple platform gets a new driver for low power states
- Updates to Qualcomm platform drivers add several new
hardware specific features and additional SoCs.
- Amlogic SoC support for A1 and T7 is added
- The Mediatek MMSYS driver is refactored as a cleanup.
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Merge tag 'soc-drivers-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull SoC driver updates from Arnd Bergmann:
"The SoC driver changes once more consist of many small fixes and
cleanups, that are to a large part the result of automated testing.
On platform specific drivers, this includes SoC specific code for
xilinx, freescale/nxp, qualcomm, TI, aspeed, omap, tegra, samsung,
rockchip, renesas, ixp4xx. In firmware drivers, we see a similar
picture for SCMI and qcomtee.
Aside from these, we see actual new hardware support in a few areas:
- The Apple platform gets a new driver for low power states
- Updates to Qualcomm platform drivers add several new hardware
specific features and additional SoCs.
- Amlogic SoC support for A1 and T7 is added
- The Mediatek MMSYS driver is refactored as a cleanup"
* tag 'soc-drivers-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (157 commits)
soc: qcom: make QCOM_PDR_MSG selectable
soc: qcom: ubwc: Fix missing include
soc: qcom: ubwc: Fix link error when QCOM_SMEM=n
media: iris: Guard the QCOM_UBWC_CONFIG select with QCOM_SMEM
drm/msm: Guard the QCOM_UBWC_CONFIG select with QCOM_SMEM
dt-bindings: arm: qcom,ids: Add SoC ID for Snapdragon SDM 850
firmware: xilinx: Clear firmware notifiers across kexec transitions
firmware: xilinx: Release all peripheral devices from firmware
firmware: xilinx: Add support to clear EL3 PM state
firmware: xilinx: Propagate actual error from feature check
firmware: xilinx: Use TF-A feature check for TF-A-specific APIs
bus: fsl-mc: drop unused assignment of acpi_device_id::driver_data
soc: fsl: qe: check platform_driver_register() in qe_ic_of_init()
phy: lynx-10g: use RCW override procedure for dynamic protocol change
soc: fsl: guts: implement the RCW override procedure
dt-bindings: fsl: layerscape-dcfg: define DCFG_DCSR region
soc: fsl: guts: make fsl_soc_data available after fsl_guts_init()
soc: fsl: guts: make it easier to determine on which SoC we are running
soc: fsl: guts: add a central fsl_guts_read() function
soc: fsl: guts: add a global structure to hold state
...
|
||
|
Linus Torvalds
|
cbe8aadf15 |
soc: devicetree updates for 7.3
There are two new mystery SoCs with very little public information
about them so far, Qualcomm's Cortex-A78C based "Shikra" and
Altera's Cortex-A720 based Agilex72 SOCFPGA.
We have also gained support for a couple of SoCs from the
2023/2024 timeframe that have been in the making for a while:
- The Apple platform gains support for M3 Pro, Max and Ultra SoC,
following the basic M3 support from 7.2.
- Samsung Exynos 1580 is a high-end mobile phone SoC from 2024
- Canaan K230 is a RISC-V based 64-bit AI SoC, based on the
earlier K210 chip
- Sophgo SG2000 is a mixed Arm/RISC-V chip that was already
supported using the Arm core but is now also added for RISC-V
along with several other variants of the cv18xx series
In terms of newly added machines we have reference platforms
for all the chips above, plus
- only four 32-bit Arm boards: two older phones and two
older industrial/embedded boards; using Allwinner, Qualcomm and
Rockchip SoCs
- Three laptops und three phones using Qualcomm SoCs
- Ten 64-bit Rockchips based single-board computers, along with one
NAS box and a game console.
- Seven industrial/embedded boards and modules using NXP i.MX8/9 SoCs.
- A Lenovo desktop box based on NVIDIA Jetson Xavier NX
- A few more single-board computers based on Allwinnner A133,
Spacemit K1 and TI AM62.
As usual, there is a constant stream of minor cleanups and fixes
towards addressing the 'dt-check-style --mode strict' warnings,
and everyone is expected to address those warnings for new
submissions now.
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Merge tag 'soc-dt-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull SoC devicetree updates from Arnd Bergmann:
"There are two new mystery SoCs with very little public information
about them so far, Qualcomm's Cortex-A78C based "Shikra" and Altera's
Cortex-A720 based Agilex72 SOCFPGA.
We have also gained support for a couple of SoCs from the 2023/2024
timeframe that have been in the making for a while:
- The Apple platform gains support for M3 Pro, Max and Ultra SoC,
following the basic M3 support from 7.2.
- Samsung Exynos 1580 is a high-end mobile phone SoC from 2024
- Canaan K230 is a RISC-V based 64-bit AI SoC, based on the earlier
K210 chip
- Sophgo SG2000 is a mixed Arm/RISC-V chip that was already supported
using the Arm core but is now also added for RISC-V along with
several other variants of the cv18xx series
In terms of newly added machines we have reference platforms for all
the chips above, plus
- Only four 32-bit Arm boards: two older phones and two older
industrial/embedded boards; using Allwinner, Qualcomm and Rockchip
SoCs
- Three laptops und three phones using Qualcomm SoCs
- Ten 64-bit Rockchips based single-board computers, along with one
NAS box and a game console.
- Seven industrial/embedded boards and modules using NXP i.MX8/9
SoCs.
- A Lenovo desktop box based on NVIDIA Jetson Xavier NX
- A few more single-board computers based on Allwinnner A133,
Spacemit K1 and TI AM62.
As usual, there is a constant stream of minor cleanups and fixes
towards addressing the 'dt-check-style --mode strict' warnings, and
everyone is expected to address those warnings for new submissions
now"
* tag 'soc-dt-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (864 commits)
Revert "riscv: dts: spacemit: k3: add i2s0-i2s5 nodes"
Documentation/process: maintainer-soc: Mention expectation about dt-check-style
ARM: dts: helios4: add SATA regulator supplies
ARM: dts: helios4: add vcc-supply to GPIO expander
ARM: dts: helios4: add vcc-supply to EEPROM
arm64: dts: turris-mox: fix usb3 phys
arm64: dts: ti: Correct white-space style
arm64: dts: ti: k3-am64: Fix MDIO clock reference for ICSSG0 node
arm64: dts: qcom: talos-evk: Fix swapped USB QMP PHY vdda-phy/vdda-pll supplies
arm64: dts: qcom: sa8155p-adp: Fix swapped USB and UFS QMP PHY vdda-phy/vdda-pll supplies
arm64: dts: qcom: eliza-mtp: Fix swapped USB QMP PHY vdda-phy/vdda-pll supplies
arm64: dts: qcom: lemans: Fix swapped USB QMP PHY vdda-phy/vdda-pll supplies
arm64: dts: qcom: glymur: Fix swapped USB QMP PHY vdda-phy/vdda-pll supplies
arm64: dts: qcom: kaanapali: Fix swapped USB QMP PHY vdda-phy/vdda-pll supplies
arm64: dts: qcom: sar2130p: Fix swapped USB QMP PHY vdda-phy/vdda-pll supplies
arm64: dts: qcom: sm8750: Fix swapped USB QMP PHY vdda-phy/vdda-pll supplies
arm64: dts: qcom: sm8650: Fix swapped USB QMP PHY vdda-phy/vdda-pll supplies
arm64: dts: qcom: purwa: Fix swapped USB QMP PHY vdda-phy/vdda-pll supplies
arm64: dts: qcom: hamoa: Fix swapped USB QMP PHY vdda-phy/vdda-pll supplies
arm64: dts: qcom: sc8180x: Fix swapped USB QMP PHY vdda-phy/vdda-pll supplies
...
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