mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/
synced 2026-11-10 20:48:12 +00:00
248,166 commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Linus Torvalds
|
a23cbb0574 |
- Fix UM build regression caused by the removal of the UM
specific timex.h header. (Thomas Weißschuh) Signed-off-by: Ingo Molnar <mingo@kernel.org> -----BEGIN PGP SIGNATURE----- iQJFBAABCgAvFiEEBpT5eoXrXCwVQwEKEnMQ0APhK1gFAmqTmUsRHG1pbmdvQGtl cm5lbC5vcmcACgkQEnMQ0APhK1iFihAAtSFpL6WKwu+eTTdTn/J41OCx6SWMw79O GRXfHX7HKVS52IhEnh3OWDVcMAqhNXe8oP/JwzBn4EuCv2LrsuBxpiTp6Bq4Y0Da Ws16Nb0CRH966L9E6z0kMZQBMsKrLGXGOE+/t9gzHpkTBzJ4a7Dzh1TZX2YudhRO lrnS+7azTb5XyshyMDo0C43AH6rUpt1ffYUz0MyACkbWPzQge42O3neN/2gKMDjq TM128Man3V4AX6K/9hC4vnvDNYdHsUqxHhc81826wVX7brF74uoYSiogn/AZK7RY CK9GQmAv7xo7AJTqe9AKt5dCy/cvVLp4vLqVYMQMGaFB05PF+1EMY69xrAkWnS4k 1cYnU0hCHN/86XOShe1s0101UPD6ZxYo/WlU53VGRJMNi7Dm5OMFFOGzAK9WfTIB 4UyOwuzq/505aA8dr5+Hk5PYikDvDXOA/zmqewAMonDrlTWhPBxWV6k+Dhks8WOt MIgjoX8wFlA7h0SUQH12XN/pxEBTgNl4P4k8YyHqVwOKN/XPZJ6XPGt2nIc8hnVc m3wHxP27x/68Ugpz1a8oADkC6lhDFgTE5XO6mmpfHKaVp/Fwdjrg8atwltHbixiV 4mo5ZlcI759lN40EBJM4QbGRP8k5TjRGgkUnv7B2qpBBgAvPnCnlMZo0871J6VVz 0CeKb6kxT+k= =eGi8 -----END PGP SIGNATURE----- Merge tag 'timers-urgent-2026-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull timer fix from Ingo Molnar: - Fix UM build regression caused by the removal of the UM specific timex.h header (Thomas Weißschuh) * tag 'timers-urgent-2026-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: um: Use asm-generic/timex.h over the host architecture one |
||
|
Linus Torvalds
|
0fe792fa9b |
ARM updates for 7.3-rc1
- add module description for kprobes testing module
- remove references to CONFIG_CPU_ARM92x_CPU_IDLE options
- expand comment in ARM's __switch_to()
Also a number of fixes that missed 7.2:
- disable broken eBPF on RiscPC
- more BKPT fixes (guys, it's a *very* bad idea when everyone uses
the BKPT instruction for their own differing purposes.)
- another preempt-rt fix, this time for siglock / CPU timers
- fix another path where we try to send signals to processes
with interrupts disabled
- acquire mmap write lock for show_pte() with user faults
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rmk/linux
Pull arm updates from Russell King:
"Updates for 7.3:
- add module description for kprobes testing module
- remove references to CONFIG_CPU_ARM92x_CPU_IDLE options
- expand comment in ARM's __switch_to()
Also a number of fixes that missed 7.2:
- disable broken eBPF on RiscPC
- more BKPT fixes (guys, it's a *very* bad idea when everyone uses
the BKPT instruction for their own differing purposes)
- another preempt-rt fix, this time for siglock / CPU timers
- fix another path where we try to send signals to processes with
interrupts disabled
- acquire mmap write lock for show_pte() with user faults"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rmk/linux:
ARM: 9480/1: entry: expand comment in __switch_to
ARM: 9478/1: Remove references to removed CONFIG_CPU_ARM92x_CPU_IDLE options
ARM: 9485/1: mm: acquire mmap write lock around show_pte() for user faults
ARM: 9484/1: enable interrupts when unhandled user faults are triggered
ARM: 9483/1: select HAVE_POSIX_CPU_TIMERS_TASK_WORK
ARM: 9481/2: breakpoint: CFI breakpoints only on demand
ARM: 9477/1: Disable broken eBPF JIT on the Risc PC
ARM: 9473/1: kprobes: test: add MODULE_DESCRIPTION
|
||
|
Linus Torvalds
|
fb5b59a6a6 |
OpenRISC 7.3 updates
One small item and one bug fix.
* The bug fix is to fix an unchecked access in our or1k_atomic syscall,
I am debating if we should just deprecate this as there is minimal
need for it.
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Merge tag 'for-linus' of https://github.com/openrisc/linux
Pull OpenRISC updates from Stafford Horne:
"One small trivial macro cleanup and one bug fix.
The bug fix is to fix an unchecked access in our or1k_atomic syscall,
I am debating if we should just deprecate this as there is minimal
need for it"
* tag 'for-linus' of https://github.com/openrisc/linux:
openrisc: fix arbitrary kernel memory access via or1k_atomic syscall
openrisc: drop unneeded semicolon
|
||
Russell King (Oracle)
|
1a89abc009 | Merge branches 'fixes' and 'misc' into for-linus | ||
Ali Ahmet Memis
|
78004e9a87 |
openrisc: fix arbitrary kernel memory access via or1k_atomic syscall
sys_or1k_atomic() (syscall 244 in the "or1k" ABI) takes two user
pointers, v1 and v2, and swaps the words they point to in hand-written
assembly.
l.lwz r29,0(r4)
l.lwz r27,0(r5)
l.sw 0(r4),r27
l.sw 0(r5),r29
The pointers are not checked with access_ok(). The four memory
accesses also have no exception table entries.
A caller passes a kernel address as either pointer, and the syscall
reads from and writes to it directly.
This gives an unprivileged process a kernel read/write primitive. It
overwrites kernel data such as the sys_call_table, gaining code
execution in kernel context.
Check both pointers before entering the critical section. Add fixups
for the four memory accesses so faults on valid but unmapped user
addresses return -EFAULT.
[shorne@gmail.com: fix comment style]
Fixes:
|
||
|
Linus Torvalds
|
9d607ae0f7 |
arm64 fixes for -rc1
- Fix address handling of final memory region in ptdump - Fix emulation of decrementing load/store multiple from 32-bit task - Fix SCTLR context-switching for store-only MTE mode - Fix numerous issues in MTE selftests -----BEGIN PGP SIGNATURE----- iQFEBAABCgAuFiEEPxTL6PPUbjXGY88ct6xw3ITBYzQFAmqRTQQQHHdpbGxAa2Vy bmVsLm9yZwAKCRC3rHDchMFjNAXpCADI7oz3aSuRJ3aRmMz5Vv4EvPjTrNcc5gi0 H91Qkl+UMN0DJGqt+1ZZBhm6Kv3rvrtj6UaEk1SycEV+jg2IWbhd1C1UTZCd5Lf9 0jiJdsoOgeTKahhFX9pU+QJCNpFqI+DORc+TYWB2uwN39OWPrHOXgJtdePNNYb1h UyCIRK+PEbXnA6LDxWokuzO70EddRIcpW2eT7WOWpgA2FNwN5DzsXdviosylZAtp xhjvpTJv/LNbMeBXalH91IKDbRCAWEvEY8j2BSOkcFxGFOA3aXrVh5sWKdFeqKis VoWZQTDtpHj1Mw0eCMn77H0r6uxXn/skCcd8pwfIFA7EnGguAcBB =/QWC -----END PGP SIGNATURE----- Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux Pull arm64 fixes from Will Deacon: "A mixture of ptdump, compat and MTE fixes that came in during the merge window: - Fix address handling of final memory region in ptdump - Fix emulation of decrementing load/store multiple from 32-bit task - Fix SCTLR context-switching for store-only MTE mode - Fix numerous issues in MTE selftests" * tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: selftests/arm64: Add MTE test config fragment selftests/arm64: Fix MTE prctl TAP plan selftests/arm64: Treat KSM merge_across_nodes as optional selftests/arm64: Print missing MTE TAP headers arm64: compat: Fix decrementing LDM/STM alignment emulation arm64: process: Fix context switching MTE store-only tag check KVM: arm64: ptdump: Flush the last region arm64: ptdump: Make note_page_flush() range aware |
||
|
Linus Torvalds
|
72ecc30d60 |
Xtensa updates for v7.3
- use strnlen() to improve iss_console_write() - remove unused function setup_profiling_timer() - fix CONFIG_XTENSA_CALIBRATE_CCOUNT macro name in comment -----BEGIN PGP SIGNATURE----- iQJHBAABCgAxFiEEK2eFS5jlMn3N6xfYUfnMkfg/oEQFAmqRXFYTHGpjbXZia2Jj QGdtYWlsLmNvbQAKCRBR+cyR+D+gRJ0MD/4tuDraKBOimGv/U23u8Aphgc7z8TSH fyy6kHKLMfAX4rJ1ks/91urzOCZ9xX81DNNGF4KxGeB+YAEhUn7Su+dA5v2Aay8O o9oZaT9IZybxu+OF54N4HBYmbVKA6qh283daW7ZBDtKNPQUmmmxKnCjoZv1bJF4D Qa8cmmRsgK/t9S5MUmgqpij3d4EnD8zK6uRRNy5r1NPPRi+TPWugDt9h/ZaSQ9+/ nReqRu8q3xn9Xuy3zus27kd5KdnUDKM51boBEvh74OpPbL58HINlyPf3VdyHTOfH ZM2RQS8UZWmlHpbVNlrH+zRMShQKSIPWDEidP5P4oGs+jiEnuYUKDuRQlUQwdIbL BSxuRXe18AWN1kDbZkdCuLtKPL9ayxBD0/tgFIdUpropET77jGl7VnVDxCtOvJxk cfAM+qG9kER6+HsAzGo0T0o4n7oTNQ++TIaDRI+E1Yvd+E5FKfQhbG+kWaM9SB+y T/Ht4OTgF2QSflCg5T+4PBJmrTC9AUHDpZFp/SIF5agTsNCEU6x4jcYYiaREAIDK E5S2xBONUBdakNWevzT/c0M3NxbcTf0Zkmxx2y/A9HtrmPMjdIRPRaMBc2csO5he M70l70SLoOtmQFLIAOP3FuCc5CuiWaxMFj8nCvVu7UUiBHOr6Q939n5+j8h1EsXJ qsDBz6otDoR6Cg== =Lvt4 -----END PGP SIGNATURE----- Merge tag 'xtensa-20260828' of https://github.com/jcmvbkbc/linux-xtensa Pull Xtensa updates from Max Filippov: - use strnlen() to improve iss_console_write() - remove unused function setup_profiling_timer() - fix CONFIG_XTENSA_CALIBRATE_CCOUNT macro name in comment * tag 'xtensa-20260828' of https://github.com/jcmvbkbc/linux-xtensa: xtensa: remove unused setup_profiling_timer function xtensa: correct CONFIG_XTENSA_CALIBRATE_CCOUNT macro name in comment tty: xtensa/iss: use strnlen to improve iss_console_write |
||
|
Linus Torvalds
|
874b43b9f3 |
m68knommu: updates and fixes for v7.3
, new defconfigs for 2 more ColdFire boards . change to use linux/gpio/legacy.h . add platform setup for reset device of the 5441x SoC boards -----BEGIN PGP SIGNATURE----- iQJEBAABCgAuFiEEmsfM6tQwfNjBOxr3TiQVqaG9L4AFAmqQ02gQHGdlcmdAa2Vy bmVsLm9yZwAKCRBOJBWpob0vgLezD/9e8dYKwAtkclfd6wkSBVoBIG2f3yFWKDaf 0lAV/oZJjvo4lEAbS4ADzQUnFjn+MIQBRi9QL4TaekDJx612BNK3OF71etOT/7o6 h0EylRBoZ6SDSjFlm9jEtf+nu1XzlfAwRkE229pKAmPK0OBI9+z0/XQTjCh8Ag8h 1afRS3DoPDpku8vIU24LlbUtD89m1YjesRayL2KI7mBS4TTatGo+IeGPNlmJGIcz 03SytqwhxK3r1QNecOOVDOpxx9efPHWNkgo5fDi+N3XkPRm2X3ruAlsGbfvbNeZG pi30nugw57oAzBrUGSKYetdd9v/452Q336+CiDG1rVTQiJomgcW6Gu+Ps5jS9JpD b8aujjCnGVmfD7r3VQG4o96dgQFvB2hM4zQtslTagbTAWUYOBcDNSgtClGkfS2OB gxBTPGS0Ulos2CzQWoPW4LqP3k+8EcEsLUb5CNZGX3XlAWeoFOunS4lmtdxqJ7hD ndtINEBUE74C6+ns3RvIKhUKKZOIqwkqxYdw2ScsPxJlupDZssFdBEVEh4AQkFz8 UywfPwG6pWXD2Qj/FPpX3miU79jl9gawfnZv+KT9VZy+KjoZrS05WfrFFu9AB4rI BR8kXnynUCpn4RWqWVF+z+sJSPwWqJbQmZU5uyithMUb0OFyWzKFvggVja4B0Qit nbb09BEuWA== =JjnP -----END PGP SIGNATURE----- Merge tag 'm68knommu-for-v7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu Pull m68knommu updates from Greg Ungerer: "This includes a couple more new defconfigs to improve test build coverage, changes to use the more correct linux/gpio/legacy.h and platform setup for the reset device of the ColdFire 5441x SoC hardware. - new defconfigs for 2 more ColdFire boards - change to use linux/gpio/legacy.h - add platform setup for reset device of the 5441x SoC boards" * tag 'm68knommu-for-v7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu: m68k: coldfire/5441x: register mcf-rcm-reset platform device m68k/coldfire: replace linux/gpio.h inclusions m68k: defconfig: add config for M5282EVB board m68k: defconfig: add config for M52358EVB board |
||
|
Linus Torvalds
|
79b4f3baae |
MFD for v7.3
- New Support & Features
- MediaTek MT6397: Add mt6323 AUXADC support.
- MediaTek MT6397: Add mt6323 EFUSE support.
- Spreadtrum SC27xx: Add SC2730 regulator cell.
- Improvements & Fixes
- Apple SMC: Fix key count endianness annotation.
- Azoteq IQS62x: Reject zero-length firmware records.
- ChromeOS EC: Introduce cros_ec_read_features helper and read features during
probe to catch transfer errors.
- Cirrus Logic CS42L43: Fix regmap defaults ordering.
- Cirrus Logic CS42L43: Remove redundant NULL checks on SoundWire.
- Congatec Board Controller: Fix teardown ordering in cgbc_remove().
- HP iPAQ Micro: Fix out-of-bounds stack read in ipaq_micro_str.
- Marvell 88PM886: Initialize the battery page.
- QNAP MCU: Keep the reply buffer alive past a command timeout.
- RAVE SP: Validate received frame payload lengths.
- Silicon Labs Si476x: Drop duplicate NULL checks.
- Silicon Labs Si476x: Modernize GPIO handling.
- Silicon Motion SM501: Fix potential memory leaks during remove.
- UCB1x00: Convert Assabet gpio-keys to use software nodes and register software
node for GPIO controller.
- Viperboard: Fix native fields type in structures as little-endian.
- Viperboard: Remove redundant NULL check before kfree().
- X-Powers AXP20x: Preserve other control bits when powering off.
- Cleanups & Refactoring
- Core: Drop unused assignment of spi_device_id driver data.
- Core: Initialize spi_device_id arrays using member names.
- Core: Unify style of spi_device_id arrays.
- Maintainers: Add Intel LPSS section to follow the changes.
- Maintainers: Add a mailing list entry to MFD.
- Cirrus Logic CS42L43: Format sdw_device_id table.
- Cirrus Logic CS42L43: Use new SoundWire enumeration helper.
- ROHM PMIC: Factor out power button registration and convert gpio-keys to use
software nodes.
- ST-Ericsson DB8500: Fold dbx500 header into db8500.
- Device Tree Binding Updates
- Core: Add techvision vendor prefix.
- Marvell 88PM886: Allow vbus regulator.
- MediaTek MT8195 SCP: Add support for MT8189 SoC.
- Qualcomm SPMI PMIC: Document PMG1110.
- Qualcomm SPMI PMIC: Document haptics device.
- Qualcomm TCSR: Add compatible for Hawi and Maili SoCs.
- Qualcomm TCSR: Add compatible for Shikra.
- Qualcomm TCSR: Document the IPQ9650 TCSR block.
- STMicroelectronics STMPE: Fix typo st,stmpe601 (should be st,stmpe610).
- Syscon: Add ESWIN EIC7700 compatible.
- Syscon: Allow syscon compatible for Loongson-2K0300 chip id.
- Syscon: Disallow simple-bus with syscon.
- Syscon: Drop custom select for older dtschema.
- TI OMAP USBHS TLL: Convert to DT schema.
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Merge tag 'mfd-next-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull MFD updates from Lee Jones:
"New Support & Features:
- MediaTek MT6397: Add mt6323 AUXADC support
- MediaTek MT6397: Add mt6323 EFUSE support
- Spreadtrum SC27xx: Add SC2730 regulator cell
Improvements & Fixes:
- Apple SMC: Fix key count endianness annotation
- Azoteq IQS62x: Reject zero-length firmware records
- ChromeOS EC: Introduce cros_ec_read_features helper and read
features during probe to catch transfer errors
- Cirrus Logic CS42L43: Fix regmap defaults ordering
- Cirrus Logic CS42L43: Remove redundant NULL checks on SoundWire
- Congatec Board Controller: Fix teardown ordering in cgbc_remove()
- HP iPAQ Micro: Fix out-of-bounds stack read in ipaq_micro_str
- Marvell 88PM886: Initialize the battery page
- QNAP MCU: Keep the reply buffer alive past a command timeout
- RAVE SP: Validate received frame payload lengths
- Silicon Labs Si476x: Drop duplicate NULL checks
- Silicon Labs Si476x: Modernize GPIO handling
- Silicon Motion SM501: Fix potential memory leaks during remove
- UCB1x00: Convert Assabet gpio-keys to use software nodes and
register software node for GPIO controller
- Viperboard: Fix native fields type in structures as little-endian
- Viperboard: Remove redundant NULL check before kfree()
- X-Powers AXP20x: Preserve other control bits when powering off
Cleanups & Refactoring:
- Core: Drop unused assignment of spi_device_id driver data
- Core: Initialize spi_device_id arrays using member names
- Core: Unify style of spi_device_id arrays
- Maintainers: Add Intel LPSS section to follow the changes
- Maintainers: Add a mailing list entry to MFD
- Cirrus Logic CS42L43: Format sdw_device_id table
- Cirrus Logic CS42L43: Use new SoundWire enumeration helper
- ROHM PMIC: Factor out power button registration and convert
gpio-keys to use software nodes
- ST-Ericsson DB8500: Fold dbx500 header into db8500
Device Tree Binding Updates:
- Core: Add techvision vendor prefix
- Marvell 88PM886: Allow vbus regulator
- MediaTek MT8195 SCP: Add support for MT8189 SoC
- Qualcomm SPMI PMIC: Document PMG1110
- Qualcomm SPMI PMIC: Document haptics device
- Qualcomm TCSR: Add compatible for Hawi and Maili SoCs
- Qualcomm TCSR: Add compatible for Shikra
- Qualcomm TCSR: Document the IPQ9650 TCSR block
- STMicroelectronics STMPE: Fix typo st,stmpe601 (should be
st,stmpe610)
- Syscon: Add ESWIN EIC7700 compatible
- Syscon: Allow syscon compatible for Loongson-2K0300 chip id
- Syscon: Disallow simple-bus with syscon
- Syscon: Drop custom select for older dtschema
- TI OMAP USBHS TLL: Convert to DT schema"
* tag 'mfd-next-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (45 commits)
mfd: cs42l43: Fix regmap defaults ordering
dt-bindings: mfd: syscon: Allow syscon compatible for Loongson-2K0300 chip id
dt-bindings: mfd: syscon: Add ESWIN EIC7700 compatible
mfd: qnap-mcu: keep the reply buffer alive past a command timeout
dt-bindings: mfd: qcom,tcsr: Document the IPQ9650 TCSR block
mfd: macsmc: Fix key count endianness annotation
dt-bindings: mfd: qcom,spmi-pmic: Document haptics device
mfd: iqs62x: Reject zero-length firmware records
mfd: rave-sp: validate received frame payload lengths
mfd: sm501: Fix potential memory leaks during remove
mfd: viperboard: Fix native fields type in structures as little-endian
mfd: si476x-i2c: Get rid of duplicate NULL checks
dt-bindings: mfd: Convert OMAP USB TLL to DT schema
mfd: cgbc: Fix teardown ordering in cgbc_remove()
mfd: mt6397-core: Add mt6323 AUXADC support
dt-bindings: mfd: qcom,tcsr: Add compatible for Hawi and Maili SoCs
mfd: rohm: Factor out power button registration
mfd: ucb1x00: Convert Assabet gpio-keys to use software nodes
mfd: ucb1x00: Register software node for GPIO controller
mfd: cs42l43: Tidy up formatting on sdw_device_id table
...
|
||
|
Linus Torvalds
|
18fbf5151d |
mm.git review status for linus..mm-stable
Everything: Total patches: 171 Reviews/patch: 1.83 Reviewed rate: 82% Excluding selftests: Total patches: 149 Reviews/patch: 1.77 Reviewed rate: 80% Excluding selftests and maple_tree: Total patches: 129 Reviews/patch: 1.99 Reviewed rate: 89% Summary of patch series in this merge: - "mm/rmap: index MAP_PRIVATE file-backed folios by anonymous pgoff" (Lorenzo Stoakes): Index MAP_PRIVATE file-backed folios by their anonymous page offset to resolve confusion around reverse mapping for zeroed and CoW'd file-backed memory. Use this new VMA anonymous page offset tracking to eliminate index conflicts and lay the foundation for scalable CoW performance improvements. - "promote mapped executable folios after first usage for MGLRU" (Baolin Wang): Make MGLRU's protection of mapped executable file folios more reliable. Follow the classical LRU's logic, promoting mapped executable file folios after their first usage to give executable code a better chance to stay in memory and improve workload performance. - "mm: vmscan: fix node reclaim ignoring swappiness parameter" (Ridong Chen): Fix per-node proactive reclaim interface's ignoring the swappiness parameter when CONFIG_MEMCG is disabled by consolidating sc_swappiness() into a single function that checks proactive_swappiness regardless of kernel configuration. - "mm/vmscan: reduce lru_lock contention via vmstat-derived scan-balance cost" (Usama Arif): Reduce lru_lock contention in the reclaim path by deriving scan-balance costs from vmstat counters rather than lock-acquired producer updates. Read and decay these cost signals on the reclaim side under a dedicated per-lruvec lock, reducing total LRU lock wait time by over 60% without impacting scan throughput. - "zram: fix zram issues reported by sashiko" (Sergey Senozhatsky): Fix two low-risk zram bugs which Sashiko spotted in drive-by review. - "Honor XA_FLAGS_ACCOUNT in xas_split_alloc() and charge to folio's memcg" (Zi Yan): Fix xas_split_alloc() by enabling target folio memcg charging during splits and adding the missing __GFP_ACCOUNT flag for proper XArray node memory accounting. - "selftests/mm: use pattern matching in .gitignore" (Pratyush Mallick): Replace hardcoded binary names in selftests/mm/.gitignore with a generic pattern-matching rule to automatically ignore generated test files and avoid manual updates when adding new tests. - "mm/page_ext: remove pgdat_page_ext_init()" (Sang-Heon Jeon): Make the incompatibility between FLATMEM and NUMA explicit in mm/Kconfig and remove the unused pgdat_page_ext_init() function. - "zram: fix zstd error paths and add parameter validation" (Haoqin Huang): Clean up zram compression backends by removing redundant error cleanup, adding parameter and dictionary validation, auto-prefixing algorithm error logs, and resetting parameters prior to reinitialization. - "zram: fix stale scan bounds after reinitialization" (Longlong Xia): Prevent out-of-bounds slot accesses during concurrent zram resets by moving table scan bound calculations under dev_lock in writeback_store() and read_block_state(). - "add anon mTHP collapse test cases" (Baolin Wang): Extend selftests helper functions to support arbitrary page orders and add new test cases and options for mTHP collapse in khugepaged. - "selftests/mm: Handle unsupported and transient test conditions" (Muhammad Usama Anjum): Update MM selftests to report a SKIP status instead of a failure when required kernel or filesystem features are unsupported, while adding retry logic for transient page migration errors. - "mm/zswap: Fixes and improves the zswap shrink" (Hao Jia): Fix the missing zswap global shrinker when CONFIG_MEMCG is disabled and extend shrink_memcg() to support batch writeback for improved writeback efficiency. - "alloc_tag: introduce IOCTL-based filtering for MAP" (Suren Baghdasaryan): Introduce an IOCTL-based binary interface for memory allocation profiling that enables kernel-side filtering before per-CPU counter aggregation. This eliminates the text-parsing overhead of /proc/allocinfo and provides up to a 20x speedup by transferring only filtered allocation data to userspace. - "better block swap batching and a different take on swap_ops v5" (Christoph Hellwig): Refactor block swap I/O to use swap_iocb for batching instead of single-bio requests and rebase the swap_ops interface, achieving faster swap throughput during kernel builds. - "mm: kmemleak: reduce transient false positives by confirming leaks" (Catalin Marinas): Reduce false-positive kmemleak reports by combining two kmemleak enhancements that add a second confirmation scan and a configurable minimum unreferenced scan count module parameter. - "mm: kmemleak: default min_unref_scans to 2 for verbose kernels" (Breno Leitao): Auto-scanning kernels can generate false-positive memory leak reports on single scans, so this patch defaults min_unref_scans to 2 when CONFIG_DEBUG_KMEMLEAK_VERBOSE is enabled to require a second confirming scan. - "swap_ops updates" (Christoph Hellwig): Batching I/O for synchronous swap devices causes performance regressions and filesystem-based swap suffers from double-indirection overhead. This series resolves both issues by reintroducing per-folio writes for synchronous swap and allowing filesystems to directly export their own swap_ops. - "mm/khugepaged: several cleanups" (Nico Pache): khugepaged accumulated redundant state-checking patterns and outdated comments following mTHP integration. Introduce dedicated helpers for PTE validation and event counting while refreshing the internal documentation. - "maple_tree: lock checking and clean ups" (Liam Howlett): Syzbot reports incorrectly blame memory management exit paths for locking bugs, maple tree erase operations risk allocation failures without gfp flags and internal documentation lacks clarity. Improve lock error detection, update docs, fix race and allocation edge cases and optimize erase allocations using a fallback to GFP_KERNEL | GFP_NOFAIL. -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQTTMBEPP41GrTpTJgfdBJ7gKXxAjgUCao9nJQAKCRDdBJ7gKXxA jk/9AQDlfevYJuSJmzAI8bt8ISG+/TfXMtIZC/MdbHqtQVYWPQD8Cvm3DUZsdGB/ Gloq/HBFuMPgE8p2pwUIthdgnTPNvAc= =c+Nb -----END PGP SIGNATURE----- Merge tag 'mm-stable-2026-08-26-15-22' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Pull more MM updates from Andrew Morton: - "mm/rmap: index MAP_PRIVATE file-backed folios by anonymous pgoff" (Lorenzo Stoakes) Index MAP_PRIVATE file-backed folios by their anonymous page offset to resolve confusion around reverse mapping for zeroed and CoW'd file-backed memory. Use this new VMA anonymous page offset tracking to eliminate index conflicts and lay the foundation for scalable CoW performance improvements. - "promote mapped executable folios after first usage for MGLRU" (Baolin Wang) Make MGLRU's protection of mapped executable file folios more reliable. Follow the classical LRU's logic, promoting mapped executable file folios after their first usage to give executable code a better chance to stay in memory and improve workload performance. - "mm: vmscan: fix node reclaim ignoring swappiness parameter" (Ridong Chen) Fix per-node proactive reclaim interface's ignoring the swappiness parameter when CONFIG_MEMCG is disabled by consolidating sc_swappiness() into a single function that checks proactive_swappiness regardless of kernel configuration. - "mm/vmscan: reduce lru_lock contention via vmstat-derived scan-balance cost" (Usama Arif) Reduce lru_lock contention in the reclaim path by deriving scan-balance costs from vmstat counters rather than lock-acquired producer updates. Read and decay these cost signals on the reclaim side under a dedicated per-lruvec lock, reducing total LRU lock wait time by over 60% without impacting scan throughput. - "zram: fix zram issues reported by sashiko" (Sergey Senozhatsky) Fix two low-risk zram bugs which Sashiko spotted in drive-by review. - "Honor XA_FLAGS_ACCOUNT in xas_split_alloc() and charge to folio's memcg" (Zi Yan) Fix xas_split_alloc() by enabling target folio memcg charging during splits and adding the missing __GFP_ACCOUNT flag for proper XArray node memory accounting. - "selftests/mm: use pattern matching in .gitignore" (Pratyush Mallick) Replace hardcoded binary names in selftests/mm/.gitignore with a generic pattern-matching rule to automatically ignore generated test files and avoid manual updates when adding new tests. - "mm/page_ext: remove pgdat_page_ext_init()" (Sang-Heon Jeon) Make the incompatibility between FLATMEM and NUMA explicit in mm/Kconfig and remove the unused pgdat_page_ext_init() function. - "zram: fix zstd error paths and add parameter validation" (Haoqin Huang) Clean up zram compression backends by removing redundant error cleanup, adding parameter and dictionary validation, auto-prefixing algorithm error logs, and resetting parameters prior to reinitialization. - "zram: fix stale scan bounds after reinitialization" (Longlong Xia) Prevent out-of-bounds slot accesses during concurrent zram resets by moving table scan bound calculations under dev_lock in writeback_store() and read_block_state(). - "add anon mTHP collapse test cases" (Baolin Wang) Extend selftests helper functions to support arbitrary page orders and add new test cases and options for mTHP collapse in khugepaged. - "selftests/mm: Handle unsupported and transient test conditions" (Muhammad Usama Anjum) Update MM selftests to report a SKIP status instead of a failure when required kernel or filesystem features are unsupported, while adding retry logic for transient page migration errors. - "mm/zswap: Fixes and improves the zswap shrink" (Hao Jia) Fix the missing zswap global shrinker when CONFIG_MEMCG is disabled and extend shrink_memcg() to support batch writeback for improved writeback efficiency. - "alloc_tag: introduce IOCTL-based filtering for MAP" (Suren Baghdasaryan) Introduce an IOCTL-based binary interface for memory allocation profiling that enables kernel-side filtering before per-CPU counter aggregation. This eliminates the text-parsing overhead of /proc/allocinfo and provides up to a 20x speedup by transferring only filtered allocation data to userspace. - "better block swap batching and a different take on swap_ops v5" (Christoph Hellwig) Refactor block swap I/O to use swap_iocb for batching instead of single-bio requests and rebase the swap_ops interface, achieving faster swap throughput during kernel builds. - "mm: kmemleak: reduce transient false positives by confirming leaks" (Catalin Marinas) Reduce false-positive kmemleak reports by combining two kmemleak enhancements that add a second confirmation scan and a configurable minimum unreferenced scan count module parameter. - "mm: kmemleak: default min_unref_scans to 2 for verbose kernels" (Breno Leitao) Auto-scanning kernels can generate false-positive memory leak reports on single scans, so this patch defaults min_unref_scans to 2 when CONFIG_DEBUG_KMEMLEAK_VERBOSE is enabled to require a second confirming scan. - "swap_ops updates" (Christoph Hellwig) Batching I/O for synchronous swap devices causes performance regressions and filesystem-based swap suffers from double-indirection overhead. This series resolves both issues by reintroducing per-folio writes for synchronous swap and allowing filesystems to directly export their own swap_ops. - "mm/khugepaged: several cleanups" (Nico Pache) khugepaged accumulated redundant state-checking patterns and outdated comments following mTHP integration. Introduce dedicated helpers for PTE validation and event counting while refreshing the internal documentation. - "maple_tree: lock checking and clean ups" (Liam Howlett) Syzbot reports incorrectly blame memory management exit paths for locking bugs, maple tree erase operations risk allocation failures without gfp flags and internal documentation lacks clarity. Improve lock error detection, update docs, fix race and allocation edge cases and optimize erase allocations using a fallback to GFP_KERNEL | GFP_NOFAIL. * tag 'mm-stable-2026-08-26-15-22' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (172 commits) selftests/proc: make proc-maps-race work with READ_IMPLIES_EXEC memcg: move LRU size accounting on reparenting instead of copying it mm/vmscan: fix comment logic in balance_pgdat maple_tree: add helper mas_make_walkable() maple_tree: avoid extra gap calculation maple_tree: fix argument name in header maple_tree: change two GFP flags in tests maple_tree: document erase and allocations better maple_tree: avoid mas_erase() and mtree_erase() failures maple_tree: document that erase may use GFP_KERNEL for allocations maple_tree: catch race in mas_alloc_cyclic() maple_tree: add bulk parent set helper maple_tree: micro optimisation of mas_wr_store_type() maple_tree: optimise mas_wr_node_store() when not in rcu mode maple_tree: use prefetched value in mas_wr_store_type() maple_tree: clarify comments on mas_nomem() maple_tree: drop MAPLE_ALLOC_SLOTS maple_tree: drop dead code from mas_extend_spanning_null() maple_tree: documentation fix maple_tree: add write lock checking with lockdep sequence numbers ... |
||
Karl Mehltretter
|
f5b8b9037d |
arm64: compat: Fix decrementing LDM/STM alignment emulation
The compat alignment emulator inherited unsigned long data addresses from
the 32-bit ARM implementation.
In do_alignment_ldmstm(), nr_regs is an unsigned int holding the transfer
size. The function uses the same address addition for both transfer
directions, negating nr_regs first for a decrementing LDM or STM. The
32-bit negation wraps before the addition, so the handler adds nearly
4 GiB instead of subtracting the transfer size.
The resulting address lies outside the compat task's address space, so
decrementing LDM/STM emulation fails, while incrementing forms work.
For example, a backwards-moving copy routine using decrementing LDM/STM can
take an alignment fault when called with unaligned pointers. The compat
handler should emulate the transfer, but this bug instead causes SIGBUS.
The offset negated in do_alignment_finish_ldst() is offset_union.un, which
is already unsigned long and does not have this width mismatch.
Make nr_regs unsigned long so its negation and the address arithmetic
use the same width.
Fixes:
|
||
|
Linus Torvalds
|
5e6ff28676 |
hyperv-next for v7.3-rc1
-----BEGIN PGP SIGNATURE----- iQFHBAABCgAxFiEEIbPD0id6easf0xsudhRwX5BBoF4FAmqPVgsTHHdlaS5saXVA a2VybmVsLm9yZwAKCRB2FHBfkEGgXhzaB/4k6+7PbPA0xM7C+1Nu7mU1XKNnc1Ep TSiDrrxCEXFJH1SK65yXhsd3TPmgF/rLB0hLBTg23Xts1hDiL6/Hwk9Xne25NaFJ VxvBNqOwgda2n1o1yk2m1KIVp4c2S5CTnICI/ka/gQph27kgj006px7G/ZOjRG+M 5+EMk4vc5xYKb9J3QHvyNoiKBwv0uNWlJkX5Ali4NB+pE/KO92rpY45DefpEZNrO Rv4RUtK9PFE0lzY6EcYiZ5zAPF4SOTzTqyTZsg6HMgTLv1G4JAD7cRlXP1sPN9YQ KJijoZ1C7b4Ih75m8xv4tdumxTvu7LCfZoiBhn3V9+H/SXWe2WquaFOt =yZjb -----END PGP SIGNATURE----- Merge tag 'hyperv-next-signed-20260826' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux Pull hyperv updates from Wei Liu: - Decrypt netvsc buffer on contiguous direct-map addresses (Kameron Carr) - Drop WS2012/2012R2 & Win8/8.1 Hyper-V support (Michael Kelley) - Use more meaningful errnos for hypercall status code (Hardik Garg) - Fix lost interrupts on CPU hot-unplug for Hyper-V PCI/MSI (Naman Jain) - Reserve more MSHV vectors for Linux root partition (Wei Liu) * tag 'hyperv-next-signed-20260826' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux: clocksource: hyper-v: Remove support for stimer interrupts in message mode scsi: storvsc: Remove support for storvsc protocol of old Hyper-V hosts hv_netvsc: Remove GPADL teardown special case for old Hyper-V hosts hv_sock: Remove check for old Hyper-V hosts Drivers: hv: Remove support for WS2012/2012R2 & Win8/8.1 version of Hyper-V hv_netvsc: Allocate send/receive buffers using vmbus_alloc_buffer() Drivers: hv: vmbus: Add vmbus_alloc_buffer()/vmbus_free_buffer() for CoCo VMs Drivers: hv: vmbus: add vmbus_establish_gpadl_caller_decrypted() Drivers: hv: vmbus: Skip VMBus module cleanup for non-nested root partition x86/hyperv: reserve more vectors PCI: hv: Set irq_retrigger callback for the Hyper-V PCI MSI irqchip Drivers: hv: Use meaningful errnos for hypercall status codes |
||
|
Linus Torvalds
|
502d45774a |
Mostly the usual clk driver updates and new SoC additions plus non-critical
data fixes for things that weren't used yet. One thing that's new here in the core is SSC spread spectrum support (SSC) in the clk provider API. The idea is that DT authors will configure SSC for certain clks and they'll be configured at clk provider registration time or when a consumer device is probed, similar to how we handle assigned clk rates or parents. On the clk driver side we have Qualcomm adding almost half the diff because they add support for 4 different SoCs and then a long tail of other SoCs like Mediatek, Renesas, Rockchip, SpaceMiT, etc. add more SoC support this time around. Luckily it's mostly clk data for these new SoCs because the actual clk_ops are already there. Beyond the new drivers we get all the little fixups for more compilation coverage or usage of more modern APIs. That all looks normal. Finally, I kinda buried the lead, I'm bringing on Brian and Jerome to help out with maintaining the clk subsystem. The current working model is already semi-distributed in that silicon vendors typically take care of their drivers and send me pull requests but I'm becoming a bottleneck for new drivers and core framework review because this has become a 100% volunteer effort on my part. Mike is stepping down after all these years (thanks Mike!) and that jump started the conversation around finding co-maintainers. Brian and Jerome have graciously offered to help me with the work load, meaning in the future they'll be sending pull requests and committing directly to the clk.git tree. They've both been around on the list for a while, I've met them both in person, and they've been making changes to the core clk framework along with helping review patches so I'm pretty confident this will work well. Core: - devm_clk_bulk_get_enable() consumer API - devm_clk_hw_register_composite_pdata() provider API - Spread Spectrum Clock (SSC) support via DT bindings and provider APIs - Divider clk rounding improved (and tested) New Drivers: - Cix Sky1 audio subsystem (AUDSS) - UltraRISC DP1000 - MediaTek MT8173 MFG_TOP - Si549 - Aspeed AST2700 PECI - Airoha EN7523 PCIe - Rockchip RV1106 - Mobileye EyeQ7H - Qualcomm Maili GCC, TCSR, RPMh, and video clks - Qualcomm Shikra GCC, RPM, GPU, display, and audio clks - Qualcomm Nord display and graphics clks - Qualcomm Glymur camera and EVA clks - Qualcomm Hawi video clks - Amlogic A9 AO and peripheral clks - Renesas R-Car X5H (R8A78000) CPG -----BEGIN PGP SIGNATURE----- iQJIBAABCAAyFiEE9L57QeeUxqYDyoaDrQKIl8bklSUFAmqPGK4UHHN3Ym95ZEBj aHJvbWl1bS5vcmcACgkQrQKIl8bklSXB+g/+O8McZyE7kqNPiz8nQNQq9YwzO9uB /5LkNUUvvxhzJ9YEcXx8HCkmUcAks+kMCHzrZ/gxAN6BQGv9qrTChZZD2ZmD8e50 nj3IxyvN51PwRk5ley1PEsUILrnOqRpY6g83arnFppTP2aU/NxFFGjc5u+5qlIT4 f0xj2sJ0H96Ykw+brSJgEj9MXJHMEKerEqBmaDd0boHavDV3YkT/HxRrjy3WH/sE FBAdq6sOAEX3qnNwsF9debrfg1nKJGH2U8ecb1JThlAufn8yHvC+mxr3P4USxdov xGhDkvKbS+9nkbxeL1LOhnoReOWqNBGQg9qmadQKTrPEu/BAOb8nG62xpucIgLSl 6X3AACRzEE8u8Thaboz+cvQluQfOo667xz5X+bpTsQjfQuq4Yh0F4pO6pLmLd+LT NdOzbQctglbpwHbXIxXQftg+Fnk1bgERILW64DU9mUqXzSJJG9uzv+Ne5R0TTXJp TMRTp/o8o4Fclr1WB73wES523xpf7VltPfUw5XL9UN2xCCY5TI2bpHQwgfmkz/6J nHmxNBBK19qlNFzDovN1gfgwn9XVDLmT7YVSw0El24kINHs7rYXuGc++OX+LmUb3 r19QxJXU8ESV89ZGJYhnaSOKrCj1d4W49AkVqovvJXXYxxlFTab1ox8xKnhUlxGH SGDC+kZah2zUl7A= =iYa8 -----END PGP SIGNATURE----- Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux Pull clk updates from Stephen Boyd: "Mostly the usual clk driver updates and new SoC additions plus non-critical data fixes for things that weren't used yet. One thing that's new here in the core is SSC spread spectrum support (SSC) in the clk provider API. The idea is that DT authors will configure SSC for certain clks and they'll be configured at clk provider registration time or when a consumer device is probed, similar to how we handle assigned clk rates or parents. On the clk driver side we have Qualcomm adding almost half the diff because they add support for 4 different SoCs and then a long tail of other SoCs like Mediatek, Renesas, Rockchip, SpaceMiT, etc. add more SoC support this time around. Luckily it's mostly clk data for these new SoCs because the actual clk_ops are already there. Beyond the new drivers we get all the little fixups for more compilation coverage or usage of more modern APIs. That all looks normal. Finally, I kinda buried the lede, I'm bringing on Brian and Jerome to help out with maintaining the clk subsystem. The current working model is already semi-distributed in that silicon vendors typically take care of their drivers and send me pull requests but I'm becoming a bottleneck for new drivers and core framework review because this has become a 100% volunteer effort on my part. Mike is stepping down after all these years (thanks Mike!) and that jump started the conversation around finding co-maintainers. Brian and Jerome have graciously offered to help me with the work load, meaning in the future they'll be sending pull requests and committing directly to the clk.git tree. They've both been around on the list for a while, I've met them both in person, and they've been making changes to the core clk framework along with helping review patches so I'm pretty confident this will work well. Core: - devm_clk_bulk_get_enable() consumer API - devm_clk_hw_register_composite_pdata() provider API - Spread Spectrum Clock (SSC) support via DT bindings and provider APIs - Divider clk rounding improved (and tested) New Drivers: - Cix Sky1 audio subsystem (AUDSS) - UltraRISC DP1000 - MediaTek MT8173 MFG_TOP - Si549 - Aspeed AST2700 PECI - Airoha EN7523 PCIe - Rockchip RV1106 - Mobileye EyeQ7H - Qualcomm Maili GCC, TCSR, RPMh, and video clks - Qualcomm Shikra GCC, RPM, GPU, display, and audio clks - Qualcomm Nord display and graphics clks - Qualcomm Glymur camera and EVA clks - Qualcomm Hawi video clks - Amlogic A9 AO and peripheral clks - Renesas R-Car X5H (R8A78000) CPG" * tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (269 commits) clk: microchip: mpfs: fix regmap_update_bits() mask/val order clk: visconti: Make sure clk_init_data is fully initialized clk: ti: Make sure clk_init_data is fully initialized MAINTAINERS: Add Brian Masney and Jerome Brunet as co-maintainers for clk subsystem Drop Michael Turquette's clk maintainer entry clk: ti: composite: resolve parent clocks by DT index, not by name clk: ti: mux: resolve parent clocks by DT index, not by name clk: devres: fix cleanup in devm_clk_get_optional_enabled_with_rate() dt-bindings: clock: ti,keystone-gate: Convert to DT schema dt-bindings: clock: ti: Convert APLL clock to DT schema clk: zynq: pll: Fix kernel-doc after determine_rate() conversion dt-bindings: clock: ti,clockdomain: Convert to DT schema dt-bindings: clock: Correct white-space style clk: samsung: Don't include <linux/mod_devicetable.h> clk: at91: Read "reg" with helper clk: renesas: Add R-Car X5H CPG driver clk: rockchip: rk3576: fix source muxes for SPI0..SPI4 clk: rockchip: Add clock controller for the RV1106 dt-bindings: clock: rockchip: Add RV1106 CRU support dt-bindings: clock: Document Renesas R-Car X5H Clock Pulse Generator ... |
||
|
Linus Torvalds
|
fc710de0dd |
remoteproc updates for v7.3
Add a remoteproc driver and binding for AMD MicroBlaze/V soft cores executing from dual-port BRAM, with clock and reset control and support for firmware without a resource table. Introduce a generic Qualcomm PAS service with SCM and OP-TEE backends, and migrate the PAS, MSS, and WCNSS remoteproc drivers to it. Add Nord ADSP and CDSP support, Eliza CDSP support, Maili ADSP/CDSP bindings, and late-attach SoCCP support for Kaanapali, Hawi, Maili, and Glymur. Enable BAM-DMUX child devices for PAS modems and fix PAS memory protection, handover, shutdown, and resource lifetime handling. Harden remoteproc lifecycle handling by attaching asynchronously, stopping crashed processors, synchronizing crash work with removal, and forcing shutdown before device resources are released. Reallocate resources during attach recovery and fix several reference and error-path leaks. Add Xilinx R5 crash detection and move RPU start and stop sequencing into the platform firmware driver. Consolidate write-combining carveout mapping callbacks, use correct I/O-memory accessors, and share optional ELF resource-table handling across drivers. Convert the TI Wakeup M3 binding to DT schema, correct Qualcomm and generic remoteproc bindings, and harden resource-table iteration against signed-offset out-of-bounds accesses. -----BEGIN PGP SIGNATURE----- iQJCBAABCgAsFiEEBd4DzF816k8JZtUlCx85Pw2ZrcUFAmqN/FgOHGJqb3JuQGty eW8uc2UACgkQCx85Pw2ZrcUvXRAAkCk6ogZOdjGY9WBugieN3WEfkAzrWAS9ntWK CGR+VcL633ymLtS/6E2fdv4d7Uh1An/ipcCJUSXU4CzumB7O1FJi1CfQok2j+4xz dIBc9m6SAMYBFVLAXD2NujdOf+nwEDLbJQib7lVBTBCNjQamvjFhUu9g/bnJt4gT F1ieAgNP15OFfHnoSWhoFHXI8ao4Vs0PwfoBLEwIP5VuFXy3DzVGaqEZgEgD7+G5 Qy0ii/TO+EFC8GdK8xxlCtKYT6J3qG/pQBaCtS9QwSXNPTbI31MlDimInUl7lxHS yWeDOJPVgNL279W7DnHiELQT6uGFac+1ILNBIGl9lI1+4Hcwgg6eTwwP6wcIOhYL YFXNfCeb5XW6moOKxhkcbOwZ46/FUS4sywoUyaAevFOc8kisDwMy81C1d2cYVg12 gq69ah4sWkSPSkAgOeUf8Aa8v3eXj9IaxcIAW9+fQdNaduuG7oRvVzowKbli9SiD qAAaIV2wyt+Il7VJl5Nw1R0nJONMTK44Xft+3k/TFzmr5N1ivfSBvGxIg0zdB9xZ 7akukQjCJgWOcyICa3ShyA6foClsJF26xVhQrfY7UPKI7DQHY5GQAKgpA2zWrqH5 cKt5xRcImKn+788pfkNdVj8IxROjGEI5JXf6etIvpPnUzkFG3nZfY6kLryOxvv0H zyxm4OM= =wi8c -----END PGP SIGNATURE----- Merge tag 'rproc-v7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux Pull remoteproc updates from Bjorn Andersson: "Add a remoteproc driver and binding for AMD MicroBlaze/V soft cores executing from dual-port BRAM, with clock and reset control and support for firmware without a resource table. Introduce a generic Qualcomm PAS service with SCM and OP-TEE backends, and migrate the PAS, MSS, and WCNSS remoteproc drivers to it. Add Nord ADSP and CDSP support, Eliza CDSP support, Maili ADSP/CDSP bindings, and late-attach SoCCP support for Kaanapali, Hawi, Maili, and Glymur. Enable BAM-DMUX child devices for PAS modems and fix PAS memory protection, handover, shutdown, and resource lifetime handling. Harden remoteproc lifecycle handling by attaching asynchronously, stopping crashed processors, synchronizing crash work with removal, and forcing shutdown before device resources are released. Reallocate resources during attach recovery and fix several reference and error-path leaks. Add Xilinx R5 crash detection and move RPU start and stop sequencing into the platform firmware driver. Consolidate write-combining carveout mapping callbacks, use correct I/O-memory accessors, and share optional ELF resource-table handling across drivers. Convert the TI Wakeup M3 binding to DT schema, correct Qualcomm and generic remoteproc bindings, and harden resource-table iteration against signed-offset out-of-bounds accesses" * tag 'rproc-v7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux: (60 commits) remoteproc: fix OOB read via signed offset in rsc_table_for_each_entry() remoteproc: replace BSD blurb with SPDX identifier in rsc_table.h remoteproc: replace BSD blurb with SPDX identifier in remoteproc.h remoteproc: fix coding style issues in remoteproc.h MAINTAINERS: add rsc_table.h to remoteproc entry remoteproc: qcom: pas: Add Nord ADSP and CDSP support dt-bindings: remoteproc: qcom,nord-pas: Document Nord PAS remoteproc: qcom: pas: Drop unused dtb_mem_region field remoteproc: qcom: pas: Map/unmap subsystem region before auth_and_reset remoteproc: qcom: pas: Fix the PAS context creation placement remoteproc: qcom: pas: Guard dtb metadata release with dtb_pas_id check remoteproc: qcom: annotate mem_region fields with __iomem arm64: dts: qcom: eliza: Add fallback compatible for ADSP remoteproc dt-bindings: remoteproc: qcom,milos-pas: Move Eliza ADSP to SM8550 schema remoteproc: qcom: pas: Add Eliza CDSP support dt-bindings: remoteproc: qcom,sm8550-pas: Add Eliza CDSP compatible remoteproc: qcom: q6v5: Request shutdown if crash is triggered host-side remoteproc: Force shutdown during device removal remoteproc: Prevent crash handling to race with rproc_del() remoteproc: Allow shutdown of crashed processors ... |
||
|
Linus Torvalds
|
7bb6284aa7 |
Arm:
* Add support for 'slot' based PMU events, paired with new UAPI that
compels the user to select a specific PMU implementation
* Lazy save/restore of vCPU state for pKVM, along with various fixes
and cleanups to the management of vCPU state between the untrusted
host and pKVM hypervisor
* Disable traps of EL1 registers for nested hypervisors when FEAT_NV2p1
is present, guaranteeing that EL2-specific register bits are stateful
in the EL1 counterpart
* Leverage FEAT_NV3 to avoid unnecessary ERET/TLBI traps when the scope
of those instructions remains 'in host' (i.e. L1 kernel/userspace)
* Pile of fixes for the management of the VNCR pseudo-TLB, such as
under-invalidations and races with concurrent TLBIs on other vCPUs
* Consolidate the non-protected and pKVM view of ICH_VTR_EL2 to a
runtime-patched constant, allowing the same data to be shared with
pKVM prior to dropping host privileges
* Considerable pile of LLM-assisted fixes around the shop but mostly in
the VGIC, our in-kernel generator of bugs (and sometimes interrupts)
LoongArch:
* Advertise already-supported capabilities.
* Some bug fixes about timer and MMIO.
* Some hardening about interrupt injection.
* Replace kvm_err() with kvm_pr_unimpl().
* Add FPU/LSX/LASX test cases for selftests.
RISC-V:
* Svadu/Zicfiss/Zicfilp FWFT support for Guest
* Use try_cmpxchg for IMSIC MRIF RMW
* More arch-specific tracepoints in KVM RISC-V
* Eager page splitting when enabling dirty logging
* Optimize hfence request handling for SMP Guests
* Improve dirty log clearing by skipping zero bits in mask
* Guard HFENCE range loops against overflow
* CPU PM notifiers in KVM RISC-V for non-retentive idle states
* Fix kernel-mode vector context save/restore for Guest
s390:
* Fixes for vfio-ap
* Fixes for the gmap rework
* Fixes for vsie
* AI triggered fixes all over
* diag9c tracing
* code move preparation for the additional arm64 support
* enable CONTEXT_ANALYSIS
x86:
* Perform spring cleaning on x86.{c,h} and asm/kvm_host.h, by adding regs.c
(the kvm_cache_regs.h => regs.h is already applied) and msrs.{c,h}, and moving
relevant code out of x86.c.
* Split kvm_mmu in three parts, respectively to describe the format of page
tables, walking the guest page tables and building the page tables. Always
use the same page table walker kvm->arch.gva_walk as the entry point to
convert a guest's virtual address, where the previous code used two
different kvm_mmu structs depending on whether the walk included nested
EPT/NPT or not. Make page fault vmexits reuse the permission checking
machinery that is used for guest page faults. This is both a cleanup
and a baby step towards supporting XS/XU memory permissions.
* Document some of the "fun" gotchas with the APIC base when creating IRQCHIPs
on x86.
* Remove a defunct masterclock update from kvm_xen_shared_info_init(). It
could result in incorrect kvmclock due to triggering an unnecessary
switch to/from masterclock mode.
* Skip Xen runstate time updates if time has effectively gone backwards, so
that the guest doesn't report 100% steal time for a very, very long time.
* Drop KVM's runtime updates of the Xen PV timing CPUID leaf, as KVM was
updating the wrong sub-leaf, and upstream KVM will soon provide all the
information needed by userspace to populate the CPUID field itself.
* Fix a bug where KVM would walk a newly created rmap without holding the rmap
lock (or mmu_lock) during aging.
* Fix a bug where aging TDP MMU SPTEs could clobber FROZEN SPTEs.
* Fix a variety of #DB priority bugs.
* Fix a class of races related to enabling Hyper-V emulation on a vCPU after
the vCPU is visible to the rest of KVM.
* Use static calls for nested virtualization ops.
* Move more KVM-internal code out of x86's kvm_host.h.
* Enumerate support for a variety of Zhaoxin instructions that don't require
explicit virtualization.
* Fix missing EFER validation bugs, including in the KVM_SET_SREGS* path.
* Harden kvm_vcpu_map() against double-mapping and thus leaking references.
* Misc fixes and cleanups, e.g. for largely benign syzkaller splats.
x86 (Intel):
* Zero a vCPU's entry in VMX's Posted Interrupt Descriptor table used for IPI
virtualization when the vCPU is freed, to fix a use-after-free where hardware
will write to a freed vCPU's PID.
* Service local TLB flushes on a failed nested VM-Enter to fix a bug where KVM
could miss a TLB on a future, successful VM-Enter with the same L2 VPID.
* Cap the maximum value shoved into the VMX Preemption Timer to workaround an
erratum that affects all existing Intel CPUs that support CPUID 0x15.
* Fix VPID virtualization bugs where KVM would fail to flush hardware TLBs.
* Harden the TDX "populate" ioctls against bad input, and to prepare
for supporting in-place private<=>shared conversion.
x86 (AMD):
* Forcefully invalidate SNP VMSA pages if their backing guest_memfd page is
zapped/invalidated, e.g. due to a PUNCH_HOLE in response to a Page-State
Change request.
* Remove a dying VM from the GA Log notifier list before the VM is actually
destroyed, to fix a potential use-after-free.
* While FOLL_WRITE was needed in the past to trigger CoW unsharing, nowadays
FOLL_LONGTERM does that already even without FOLL_WRITE, and in fact,
get_user_pages() actually disallows FOLL_WRITE together with FOLL_LONGTERM.
So don't pass FOLL_WRITE when registering encrypted memory regions, i.e. when
pinning SEV/SEV-ES guest memory, to fix a regression with file-backed memory
introduced by KVM's (correct) usage of long-term pins.
(This was reviewed by mm maintainers; for more information, see commit
|
||
|
Linus Torvalds
|
70f5376dbd |
TTY / Serial driver updates for 7.3-rc1
Here is the "big" set of tty and serial driver updates for 7.3-rc1. Not really all that much happened this development cycle for this subsystem, changes in here are: - removal of the ipwireless driver as it's no longer used or needed - new 8250_mxpcie driver added - qcom serial driver updates and additions - vt mode validation addition - lots of other small serial driver updates and additions All of these have been in linux-next for weeks with no reported issues. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCao2mTw8cZ3JlZ0Brcm9h aC5jb20ACgkQMUfUDdst+yk34ACdFfyDYJ0n1JcdskTxdNMBSPRkj7UAoJtMC/2y jxCfyfkM18YIuwZD6CvO =MlfE -----END PGP SIGNATURE----- Merge tag 'tty-7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty Pull TTY / serial driver updates from Greg KH: "Here is the "big" set of tty and serial driver updates for 7.3-rc1. Not really all that much happened this development cycle for this subsystem, changes in here are: - removal of the ipwireless driver as it's no longer used or needed - new 8250_mxpcie driver added - qcom serial driver updates and additions - vt mode validation addition - lots of other small serial driver updates and additions All of these have been in linux-next for weeks with no reported issues" * tag 'tty-7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (97 commits) serial: imx: serialize imx_uart_ports[] lifetime tty: clear cdev pointer after cdev_add() failure tty: skip cdev_del() when no cdev is registered serial: core: clear freed pointers on uart_register_driver() failure serial: core: do fallible allocations before the console can be registered serial: 8250_mxpcie: implement rx_trig_bytes callbacks via MUEx50 RTL serial: 8250_mxpcie: introduce per-port private data structure serial: 8250: allow UART drivers to override rx_trig_bytes handling serial: 8250_mxpcie: add break support for RS485 using MUEx50 features serial: 8250: allow low-level drivers to override break control serial: 8250_mxpcie: support serial interface mode switching serial: 8250_mxpcie: speed up TX using memory-mapped FIFO window serial: 8250_mxpcie: speed up RX using memory-mapped FIFO window serial: 8250_mxpcie: add custom handle_irq callback serial: 8250_mxpcie: offload XON/XOFF flow control to MUEx50 hardware serial: 8250_mxpcie: enable automatic RTS/CTS flow control serial: 8250_mxpcie: enable enhanced mode and program FIFO trigger levels serial: 8250: add Moxa MUEx50 UART port type serial: 8250: split Moxa PCIe serial board support out of 8250_pci serial: qcom-geni: Use geni_se_set_perf_level() for baud rate perf level ... |
||
|
Linus Torvalds
|
5f5ef9c407 |
Bootconfig updates for v7.3:
- bootconfig: Support build-time command line rendering for embedded bootconfig
. bootconfig: render descendant keys when xbc_snprint_cmdline() root has a
value. Fix xbc_snprint_cmdline() to render descendant keys when the root
has both a value and subkeys, and treats empty subtrees correctly.
. bootconfig: render embedded bootconfig as a kernel cmdline at build time.
Add build-time pipeline using tools/bootconfig -C to render the embedded
bootconfig "kernel" subtree into .init.rodata as a cmdline string.
. bootconfig: clean build-time tools/bootconfig from make clean.
. bootconfig: add xbc_prepend_embedded_cmdline() helper.
Add helper to prepend embedded bootconfig cmdline into boot_command_line
early before parse_early_param().
. x86/setup: prepend embedded bootconfig cmdline before parse_early_param.
Wire early prepend helper in x86 setup_arch() so early_param handlers see
values from the embedded bootconfig. (So this feature is currently x86 only)
. bootconfig: skip runtime kernel.* render once prepended early.
Avoid duplicating "kernel" keys in setup_boot_config().
. init/main.c: use bootconfig_cmdline_requested() for the runtime opt-in.
Refactor setup_boot_config() to share bootconfig_cmdline_requested().
. Documentation: bootconfig: document build-time cmdline rendering.
Document CONFIG_CMDLINE_FROM_BOOTCONFIG usage, requirements, and precedence.
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Merge tag 'bootconfig-v7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull bootconfig updates from Masami Hiramatsu:
- Support build-time command line building for embedded bootconfig
- Fix xbc_snprint_cmdline() to render descendant keys when the root has
both a value and subkeys, and treats empty subtrees correctly.
- Add build-time pipeline using tools/bootconfig -C to render the
embedded bootconfig "kernel" subtree into .init.rodata as a cmdline
string.
- Clean build-time tools/bootconfig from make clean
- Add helper to prepend embedded bootconfig cmdline into
boot_command_line early before parse_early_param()
- Wire early prepend helper in x86 setup_arch() so early_param handlers
see values from the embedded bootconfig (currently x86 only)
- Avoid duplicating "kernel" keys in setup_boot_config()
- Refactor setup_boot_config() to share bootconfig_cmdline_requested()
- Document CONFIG_CMDLINE_FROM_BOOTCONFIG usage, requirements, and
precedence
* tag 'bootconfig-v7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
init/main.c: use bootconfig_cmdline_requested() for the runtime opt-in
bootconfig: skip runtime kernel.* render once prepended early
x86/setup: prepend embedded bootconfig cmdline before parse_early_param
Documentation: bootconfig: document build-time cmdline rendering
bootconfig: add xbc_prepend_embedded_cmdline() helper
bootconfig: clean build-time tools/bootconfig from make clean
bootconfig: render embedded bootconfig as a kernel cmdline at build time
bootconfig: render descendant keys when xbc_snprint_cmdline() root has a value
|
||
Lorenzo Stoakes (ARM)
|
51943a18ad |
mm: provide vma_[flags_]is_cow_mapping() and remove is_cow_mapping()
All remaining callers of is_cow_mapping() are invoking it in the form of is_cow_mapping(vma->vm_flags) or an indirected version of this. Therefore, provide a helper - vma_is_cow_mapping() to directly test the VMA. Additionally provide a new helper vma_flags_is_cow_mapping() which performs the check using the new vma_flags_t type, and share this logic between vma_is_cow_mapping() and vma_desc_is_cow_mapping(). With these changes, no callers of is_cow_mapping() remain, so remove it. Also update the userland VMA tests to reflect the change. No functional change intended. [akpm@linux-foundation.org: fix kerneldoc comment typo, per Lorenzo] Link: https://lore.kernel.org/aob1goSSPH6sTN9y@gremlin Link: https://lore.kernel.org/20260813-b4-scalable-cow-virt-pgoff-v5-2-c21581c0c3c8@kernel.org Signed-off-by: Lorenzo Stoakes (ARM) <ljs@kernel.org> Acked-by: David Hildenbrand (Arm) <david@kernel.org> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Alexander Deucher <alexander.deucher@amd.com> Cc: Alexander Gordeev <agordeev@linux.ibm.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Alistair Popple <apopple@nvidia.com> Cc: Arnaldo Carvalho de Melo <acme@kernel.org> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Baolin Wang <baolin.wang@linux.alibaba.com> Cc: Baoquan He <baoquan.he@linux.dev> Cc: Barry Song <baohua@kernel.org> Cc: Boris Brezillon <boris.brezillon@collabora.com> Cc: Byungchul Park <byungchul@sk.com> Cc: Chengming Zhou <chengming.zhou@linux.dev> Cc: Chris Li <chrisl@kernel.org> Cc: Christan König <christian.koenig@amd.com> Cc: Christian Borntraeger <borntraeger@linux.ibm.com> Cc: Claudio Imbrenda <imbrenda@linux.ibm.com> Cc: Dave Airlie <airlied@gmail.com> Cc: Dev Jain <dev.jain@arm.com> Cc: Gerald Schaefer <gerald.schaefer@linux.ibm.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Gregory Price (Meta) <gourry@gourry.net> Cc: Harry Yoo <harry@kernel.org> Cc: Heiko Carstens <hca@linux.ibm.com> Cc: Huang Ray <Ray.Huang@amd.com> Cc: "Huang, Ying" <ying.huang@linux.alibaba.com> Cc: Ian Rogers <irogers@google.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: James Clark <james.clark@linaro.org> Cc: Jan Kara <jack@suse.cz> Cc: Jann Horn <jannh@google.com> Cc: Janosch Frank <frankja@linux.ibm.com> Cc: Jason Gunthorpe <jgg@ziepe.ca> Cc: Jiri Olsa <jolsa@kernel.org> Cc: John Hubbard <jhubbard@nvidia.com> Cc: Joshua Hahn <joshua.hahnjy@gmail.com> Cc: Kairui Song <kasong@tencent.com> Cc: Kees Cook <kees@kernel.org> Cc: Kemeng Shi <shikemeng@huaweicloud.com> Cc: Lance Yang <lance.yang@linux.dev> Cc: Liam R. Howlett <liam@infradead.org> Cc: Liviu Dudau <liviu.dudau@arm.com> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: Marc Rutland <mark.rutland@arm.com> Cc: "Masami Hiramatsu (Google)" <mhiramat@kernel.org> Cc: Matthew Auld <matthew.auld@intel.com> Cc: Matthew Brost <matthew.brost@intel.com> Cc: Matthew Wilcox (Oracle) <willy@infradead.org> Cc: Maxime Ripard <mripard@kernel.org> Cc: Miaohe Lin <linmiaohe@huawei.com> Cc: Michal Hocko <mhocko@suse.com> Cc: Mike Rapoport <rppt@kernel.org> Cc: Muchun Song <muchun.song@linux.dev> Cc: Namhyung kim <namhyung@kernel.org> Cc: Naoya Horiguchi <nao.horiguchi@gmail.com> Cc: Nhat Pham <nphamcs@gmail.com> Cc: Nico Pache <npache@redhat.com> Cc: Oleg Nesterov <oleg@redhat.com> Cc: Oscar Salvador <osalvador@suse.de> Cc: Pedro Falcato <pfalcato@suse.de> Cc: Peter Xu <peterx@redhat.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Rakie Kim <rakie.kim@sk.com> Cc: Rik van Riel <riel@surriel.com> Cc: Rodrigo Vivi <rodrigo.vivi@intel.com> Cc: Ryan Roberts <ryan.roberts@arm.com> Cc: Steven Price <steven.price@arm.com> Cc: Suren Baghdasaryan <surenb@google.com> Cc: Sven Schnelle <svens@linux.ibm.com> Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com> Cc: Thomas Zimemrmann <tzimmermann@suse.de> Cc: Vasily Gorbik <gor@linux.ibm.com> Cc: Vlastimil Babka <vbabka@kernel.org> Cc: xu xin <xu.xin16@zte.com.cn> Cc: Zi Yan <ziy@nvidia.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
||
Andrew Morton
|
4b47e81e56 |
Merge branch 'mm-hotfixes-stable' into mm-stable to pick up
already-upstream changes to memcontrol.c, needed by "memcg: move mem_cgroup_swappiness and vm_swappiness to mm/swap.h". |
||
Thomas Weißschuh
|
64f74d8f72 |
um: Use asm-generic/timex.h over the host architecture one
The removal of the architecture-specific asm/timex.h was meant to fall back to
asm-generic/timex.h. However on UML, the host architecture headers are earlier
on the include path and therefore asm/timex.h from the host architecture is
used.
On x86 that header in turn requires the generation of cpufeaturemasks.h, which
is not set up for UML and the build fails.
In file included from ../arch/x86/include/asm/tsc.h:9,
from ../arch/x86/include/asm/timex.h:6,
from ../include/linux/timex.h:67,
from ../include/linux/time32.h:13,
from ../include/linux/time.h:60,
from ../include/linux/jiffies.h:10,
from ../include/linux/ktime.h:25,
from ../include/linux/timer.h:6,
from ../include/linux/uprobes.h:18,
from ../include/linux/mm_types.h:16,
from ../include/linux/mmzone.h:22,
from ../include/linux/gfp.h:7,
from ../include/linux/slab.h:17,
from ../include/linux/crypto.h:18,
from ../arch/um/kernel/asm-offsets.c:6:
arch/x86/include/asm/tsc.h: In function ‘get_cycles’:
arch/um/include/asm/cpufeature.h:52:39: error: implicit declaration of function ‘DISABLED_MASK_BIT_SET’ [-Wimplicit-function-declaration]
52 | (__builtin_constant_p(bit) && DISABLED_MASK_BIT_SET(bit) ? 0 : _static_cpu_has(bit))
| ^~~~~~~~~~~~~~~~~~~~~
arch/x86/include/asm/tsc.h:79:14: note: in expansion of macro ‘cpu_feature_enabled’
79 | if (!cpu_feature_enabled(X86_FEATURE_TSC))
| ^~~~~~~~~~~~~~~~~~~
arch/um/include/asm/cpufeature.h:115:17: error: implicit declaration of function ‘_static_cpu_has’ [-Wimplicit-function-declaration]
115 | _static_cpu_has(bit) \
| ^~~~~~~~~~~~~~~
...
The x86-specific timex.h also doesn't make sense on UML in general.
Reintroduce the UML-specific asm/timex.h and add a comment to document
its necessity.
[ bp: Improve that comment to actually state why stuff is there. ]
Fixes:
|
||
|
Linus Torvalds
|
2f43193b88 |
dma-mapping updates for Linux 7.3:
- swiotlb: added new configuration option for the default pool size
(Jagadeesh Pagadala) and reduced overhead for high watermark tracking
(chenhuguanshen)
- minor code cleanups and improvements (Vova Sharaienko, Honglei Huang
and Marek Szyprowski)
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mergetag object
|
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|
Linus Torvalds
|
5b05bb3f6c |
platform-drivers-x86 for v7.3-1
Highlights:
- amd/halo: Add Halo RGB LED driver
- amd/hsmp:
- Properly serialize probe, remove, and data paths
- Add support for protocol v7 used by Family 1AH Model 80H
- Fix error checking corner cases (largely from AI review)
- Reject negative power cap
- amd/pmc:
- Improve behavior on platforms that do not support STB
- Add T14 Gen2 AMD (20XL) to s2idle quirk list
- amd/pmf:
- Add ioctl interface to retrieve device metrics
- Add support for new metrics tables used by Family 1AH Model 80H
- arm64: qcom-hamoa-ec: Reject short responses
- asus-nb-wmi: Support ProArt key on ASUS ProArt PX13
- asus-armoury:
- Gate PPT writes behind active fan curve
- Add power limits for more models
- dell-wmi-base: Fix handling of ultra performance key
- dell-wmi-sysman: Don't hex dump attribute security buffer
- hp-bioscfg:
- Various fixes
- Improve reduced ACPI packages support (necessary for HP EliteBook 840 G2)
- lg-laptop:
- Fix LED resource handling
- Add support for events used in newer models
- Fix keyboard backlight support on LG Gram 16T90SP
- hp-wmi:
- Generalize thermal params to board params
- Manage CPU and GPU PWM independently
- Add GPU MUX switch support
- Add Victus 15-fb0xxx support
- Add OMEN MAX 16-ak0xxx, OMEN 16-n0xxx, OMEN 16-wd0xxx, OMEN
16-wf0xxx, and OMEN board ID 8D88 support
- Add OMEN Transcend 16-u0xxx support
- huawei: Add support for Fn-lock ACPI interface found on newer Huawei
laptops such as MateBook 14 2024
- ISST:
- Improve input validation (many fixes)
- Disallow SST-CP (core-power) feature if perf profile add fails
- lenovo/yb9-kbdock: Add driver for Yoga Book 9 14IAH10
- lenovo/ymc:
- Extend hinge switch query to support Yoga 9 2-in-1 14IPH11
- Prevent loading on Yoga Book 9 14IAH10 to avoid duplicated input
nodes
- msi-ec: Add MSI Raider A18 HX A9WJG and MSI Katana GF76 11UEK support
- msi-wmi: Add MSI Claw M-Center keys support
- oxpec: Add support for OneXPlayer X2 Mini Pro
- redmi-wmi: Report kbd backlight cycle, OEM preset power mode, and FnLock
toggle events to userspace
- samsung-galaxybook: Add Samsung Galaxy Book6 Pro support
- thinkpad_acpi: Add USB-C Security support
- uniwill-laptop:
- Add keyboard backlight, AC auto boot, and USB powershare support
- Add MACHENIKE L16 Pro, AiStone X4SP4NAL, and Avell A60 MUV support
- Make lightbar max brightness configurable and add support for
LAPQC71A/B
- Major refactoring efforts:
- Stop setting acpi_device_name/class() and pnp.device_class to
faciliate their eventual removal
- Many rollback/remove path fixes (presumably mostly found by AI)
- Miscellaneous cleanups / refactoring / improvements
The following is an automated shortlog grouped by driver:
acer-wmi:
- reject missing gaming WMI results
amd/hsmp:
- ACPI HSMP refcounted sockets and coordinated release
- Add HSMP messages for Family 1Ah, Model 50h-5Fh
- Add IOCTL_GET_TELEMETRY_DATA for metric table reads
- Clear mdev.this_device on deregister
- Enable protocol version 7 metric tables on the ACPI driver
- Gate the data plane on a fully initialized socket
- Map the metric table with ioremap() and unmap it explicitly
- Pass struct device explicitly to ACPI mailbox parsers
- Reject negative power cap writes in hwmon
- Serialize ACPI HSMP probe and remove with an rwsem
- Serialize per-socket metric table reads with a mutex
- Serialize the data plane against socket teardown
- Source metric-table size from firmware
- Unify response_sz validation to an upper-bound check
- Validate ACPI UID before parsing socket index
- Validate _DSD mailbox sub-package element count
amd:
- Introduce Halo Box RGB LED driver
amd/pmc:
- Add T14 Gen2 AMD (20XL) to s2idle quirk list
- Do not fail probe when STB init fails
- Fix LPS0 and debugfs leaks when STB init fails
- Fix msg_port restoration in amd_stb_debugfs_open_v2()
- Only expose stb_read after telemetry buffer is mapped
- Propagate SMU errors and validate S2D address
- Restore msg_port on amd_stb_s2d_init() error paths
amd/pmf:
- Add 1AH_M80H device IDs and extended SMU mailbox registers
- Add 1AH_M80H metrics table and NPU metrics support
- Add missing newline in dev_err message
- Add util layer and userspace character device interface
- Implement util layer ioctl handler
- Introduce AMD PMF testing tool for driver metrics and features
- Move debug helper functions to UAPI header
- Move metrics code to dedicated file
- Refactor NPU metrics for platform extensibility
- store BIOS output values for user-space metrics via util IOCTL
- Store commonly used enums in the header file
- Use per-SoC smu_regs struct for SMU mailbox registers
- Use upper/lower_32_bits() in amd_pmf_set_dram_addr()
arm64: qcom-hamoa-ec:
- reject incomplete responses
asus-armoury:
- Add power limits for ROG Strix SCAR 16 (G635LX)
- Add power limits quirk for FA401KM
- Add power limits quirk for FA608WV
- add support for FX517ZR
- add support for HN7306EA and HN7306EAC
- fix Use-After-Free and memory leak in driver init
- gate PPT writes behind active fan curve
- use cleanup.h to manage tunables
asus-laptop:
- Stop setting acpi_device_name/class()
asus-nb-wmi:
- map ProArt key (0x8b) to KEY_PROG3
asus-wireless:
- Fail probe when there is no ACPI match
asus-wmi:
- fix resource leaks on probe failure
dell-ddv:
- Use no_free_ptr() to simplify error handling
dell-privacy:
- Fix race condition
dell-smbios:
- Pass device to callbacks
dell-smbios-wmi:
- Fix chardev resource management
- Replace global list with single item
dell-wmi-base:
- Fix handling of ultra performance key
- Fix resource leak on module load failure
dell-wmi-sysman:
- Don't hex dump attribute security buffer
- Fix instance ID bounds
Documentation/ABI:
- add testing entry for AMD PMF character device interface
eeepc-laptop:
- Stop setting acpi_device_name/class()
fujitsu-laptop:
- Stop setting acpi_device_name/class()
fujitsu-tablet:
- Stop setting acpi_device_name/class()
hp-bioscfg:
- accept reduced ACPI packages from older HP BIOS
- advance elem past consumed array elements
- bound ordered-list parsing by the package count
- fix heap OOB read in sk_store() and kek_store()
- fix heap OOB read on empty password write
- fix new_password_store() overwriting current_password
- fix off-by-one write in hp_get_string_from_buffer()
- fix ORD_LIST_ELEMENTS never being parsed
- fix password encoding bounds check
- pass validated element count to package parsers
- warn on element type mismatch instead of failing
hp-wmi:
- Add dual-channel PWM fan control
- Add GPU MUX switch support
- Add OMEN board 8A43 thermal profile support
- Add OMEN board 8BA9 thermal profile support
- Add OMEN board 8BAA thermal profile support
- Add OMEN board 8D88 thermal profile support
- Add OMEN Transcend 16 8BB3 support
- Add support for OMEN MAX 16-ak0xxx (8DD6)
- Add Victus 15-fb0xxx support
- Drive fan control from board data
- Introduce board-specific feature data
huawei-wmi:
- add ACPI fallback for Fn-lock on newer models
ideapad-laptop:
- Fix driver unregistration order
int1092:
- Fix info leak in parse_package()
- Fix potential memory leak in sar_probe()
intel/pmc:
- initialize empty PMT read result
ishtp_eclite:
- Fix ACPI device reference leak in probe error path
ISST:
- Add a NULL check for sst_inst[]
- Just allow 2 bits for SST feature enable
- Return error during profile addition
- Use PP level enable mask
- Validate level in perf mask ioctls
- Validate logical CPU id and clos id
- Validate max level for set feature
- Validate parameter for core power state
- Validate parameter for frequency and priority
- Validate socket ID in clos_assoc ioctl
lenovo:
- Add Yoga Book 9 keyboard dock detection driver
lenovo: lenovo-ymc:
- Suppress probe on Yoga Book 9 14IAH10
lenovo/ymc:
- Only match lower byte in WMI lid switch query response
lg-laptop:
- Add support for additional events
- Add support for native ACPI events
- Fix keyboard backlight support on LG Gram 16T90SP
- Fix LED resource handling
- Improve WMAB control method support
MAINTAINERS:
- update Intel PMC Core maintainer contact
mlxbf-bootctl:
- fix the build error with FIELD_PREP()
mlxbf-pmc:
- Check ACPI_COMPANION() against NULL
msi-ec:
- Add MSI Katana GF76 11UEK EC firmware
- Add MSI Raider A18 HX A9WJG EC firmware
msi-wmi:
- Add MSI Claw M-Center keys
- Reformat msi_wmi_notify()
oxpec:
- Add support for OneXPlayer X2 Mini Pro
panasonic-laptop:
- Fix sentinel write past pcc->sinf[]
- Stop setting acpi_device_name/class()
power: supply: surface_{battery,charger}:
- Consistently define ssam_device_ids using named initializers
redmi-wmi:
- report EC state change events
samsung-galaxybook:
- Add SAMB430 device ID
sony-laptop:
- Stop setting acpi_device_class()
sonypi:
- Stop setting acpi_device_name/class()
surface: acpi-notify:
- Check ACPI companion before use
surface: aggregator:
- Consistently define ssam_device_ids using named initializers
surface: surfacepro3_button:
- Stop setting acpi_device_name()
think-lmi:
- Fix certificate thumbprint sysfs output
- Fix current password length check
- Free system certificate signatures
thinkpad_acpi:
- Add USB-C Security (USCS) support
- Fix fan speed reporting on Edge E330
- Fix USB-C Security probe failure on unsupported platforms
- Stop setting acpi_device_class()
topstar-laptop:
- Stop setting acpi_device_name/class()
toshiba_acpi:
- Do not use uninitialized device_class
toshiba_bluetooth:
- Use more common error handling code in toshiba_bt_rfkill_probe()
toshiba_haps:
- Do not use uninitialized device_class
uniwill-laptop:
- Add 2 new feature defines for TUXEDO devices
- Add AC auto boot support
- Add Avell A60 MUV support
- Add keyboard backlight support
- Add lightbar support for LAPQC71A/B
- Add support for the AiStone X4SP4NAL
- Add support for the MACHENIKE L16 Pro
- Add support for USB powershare
- Handle screen-related events
- Remove single color keyboard detection
- Split uniwill_kbd_led_init()
x86/platform/olpc: xo15:
- Stop setting acpi_device_name/class()
xo15-ebook:
- Stop setting acpi_device_name/class()
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Merge tag 'platform-drivers-x86-v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver updates from Ilpo Järvinen
"Highlights:
Major refactoring effort: stop setting acpi_device_name/class() and
pnp.device_class to facilitate their eventual removal
Many rollback/remove path fixes (presumably mostly found by AI)
Miscellaneous cleanups / refactoring / improvements
amd/halo:
- Add Halo RGB LED driver
amd/hsmp:
- Properly serialize probe, remove, and data paths
- Add support for protocol v7 used by Family 1AH Model 80H
- Fix error checking corner cases (largely from AI review)
- Reject negative power cap
amd/pmc:
- Improve behavior on platforms that do not support STB
- Add T14 Gen2 AMD (20XL) to s2idle quirk list
amd/pmf:
- Add ioctl interface to retrieve device metrics
- Add support for new metrics tables used by Family 1AH Model 80H
qcom-hamoa-ec (arm64):
- Reject short responses
asus-nb-wmi:
- Support ProArt key on ASUS ProArt PX13
asus-armoury:
- Gate PPT writes behind active fan curve
- Add power limits for more models
dell-wmi-base:
- Fix handling of ultra performance key
dell-wmi-sysman:
- Don't hex dump attribute security buffer
hp-bioscfg:
- Various fixes
- Improve reduced ACPI packages support (necessary for HP EliteBook 840 G2)
lg-laptop:
- Fix LED resource handling
- Add support for events used in newer models
- Fix keyboard backlight support on LG Gram 16T90SP
hp-wmi:
- Generalize thermal params to board params
- Manage CPU and GPU PWM independently
- Add GPU MUX switch support
- Add Victus 15-fb0xxx support
- Add OMEN MAX 16-ak0xxx, OMEN 16-n0xxx, OMEN 16-wd0xxx, OMEN
16-wf0xxx, and OMEN board ID 8D88 support
- Add OMEN Transcend 16-u0xxx support
huawei:
- Add support for Fn-lock ACPI interface found on newer Huawei
laptops such as MateBook 14 2024
ISST:
- Improve input validation (many fixes)
- Disallow SST-CP (core-power) feature if perf profile add fails
lenovo/yb9-kbdock:
- Add driver for Yoga Book 9 14IAH10
lenovo/ymc:
- Extend hinge switch query to support Yoga 9 2-in-1 14IPH11
- Prevent loading on Yoga Book 9 14IAH10 to avoid duplicated input
nodes
msi-ec:
- Add MSI Raider A18 HX A9WJG and MSI Katana GF76 11UEK support
msi-wmi:
- Add MSI Claw M-Center keys support
oxpec:
- Add support for OneXPlayer X2 Mini Pro
redmi-wmi:
- Report kbd backlight cycle, OEM preset power mode, and FnLock
toggle events to userspace
samsung-galaxybook:
- Add Samsung Galaxy Book6 Pro support
thinkpad_acpi:
- Add USB-C Security support
uniwill-laptop:
- Add keyboard backlight, AC auto boot, and USB powershare support
- Add MACHENIKE L16 Pro, AiStone X4SP4NAL, and Avell A60 MUV support
- Make lightbar max brightness configurable and add support for
LAPQC71A/B"
* tag 'platform-drivers-x86-v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: (152 commits)
platform/x86: think-lmi: Fix current password length check
platform/x86: redmi-wmi: report EC state change events
MAINTAINERS: update Intel PMC Core maintainer contact
platform/x86: oxpec: Add support for OneXPlayer X2 Mini Pro
platform/x86: thinkpad_acpi: Fix fan speed reporting on Edge E330
platform/x86: msi-ec: Add MSI Katana GF76 11UEK EC firmware
platform/x86: think-lmi: Fix certificate thumbprint sysfs output
mlxbf-bootctl: fix the build error with FIELD_PREP()
platform/x86: think-lmi: Free system certificate signatures
platform/x86: ISST: Add a NULL check for sst_inst[]
platform/x86: ISST: Return error during profile addition
platform/x86: ISST: Just allow 2 bits for SST feature enable
platform/x86: ISST: Use PP level enable mask
platform/x86: ISST: Validate parameter for frequency and priority
platform/x86: ISST: Validate parameter for core power state
platform/x86: ISST: Validate max level for set feature
platform/x86: ISST: Validate logical CPU id and clos id
platform/x86: ISST: Validate level in perf mask ioctls
platform/x86: ISST: Validate socket ID in clos_assoc ioctl
platform/x86/amd/hsmp: Reject negative power cap writes in hwmon
...
|
||
Paolo Bonzini
|
76671054f9 |
KVM/arm64 changes for 7.3
- Add support for 'slot' based PMU events, paired with new UAPI that
compels the user to select a specific PMU implementation
- Lazy save/restore of vCPU state for pKVM, along with various fixes
and cleanups to the management of vCPU state between the untrusted
host and pKVM hypervisor
- Disable traps of EL1 registers for nested hypervisors when FEAT_NV2p1
is present, guaranteeing that EL2-specific register bits are stateful
in the EL1 counterpart
- Leverage FEAT_NV3 to avoid unnecessary ERET/TLBI traps when the scope
of those instructions remains 'in host' (i.e. L1 kernel/userspace)
- Pile of fixes for the management of the VNCR pseudo-TLB, such as
under-invalidations and races with concurrent TLBIs on other vCPUs
- Consolidate the non-protected and pKVM view of ICH_VTR_EL2 to a
runtime-patched constant, allowing the same data to be shared with
pKVM prior to dropping host privileges
- Considerable pile of LLM-assisted fixes around the shop but mostly in
the VGIC, our in-kernel generator of bugs (and sometimes interrupts)
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Merge tag 'kvmarm-7.3' of https://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
KVM/arm64 changes for 7.3
- Add support for 'slot' based PMU events, paired with new UAPI that
compels the user to select a specific PMU implementation
- Lazy save/restore of vCPU state for pKVM, along with various fixes
and cleanups to the management of vCPU state between the untrusted
host and pKVM hypervisor
- Disable traps of EL1 registers for nested hypervisors when FEAT_NV2p1
is present, guaranteeing that EL2-specific register bits are stateful
in the EL1 counterpart
- Leverage FEAT_NV3 to avoid unnecessary ERET/TLBI traps when the scope
of those instructions remains 'in host' (i.e. L1 kernel/userspace)
- Pile of fixes for the management of the VNCR pseudo-TLB, such as
under-invalidations and races with concurrent TLBIs on other vCPUs
- Consolidate the non-protected and pKVM view of ICH_VTR_EL2 to a
runtime-patched constant, allowing the same data to be shared with
pKVM prior to dropping host privileges
- Considerable pile of LLM-assisted fixes around the shop but mostly in
the VGIC, our in-kernel generator of bugs (and sometimes interrupts)
|
||
|
Linus Torvalds
|
cf9610f911 |
Pin control bulk changes for kernel v7.3
Core changes:
- Use the non-blocking mux_state_try_select() in the generic
MUX pin control back-end.
- Free pin maps on pinctrl_generic_to_map() failure in the core
helpers.
New drivers:
- Qualcomm Maili TLMM SoC pin control.
- Qualcomm PMG1110 PMIC pin control.
- Qualcomm Eliza LPASS LPI TLMM SoC pin control (this is for
the low power audio, LPASS = Low Power Audio SubSystem
portions).
- Upboard support on top of the Intel pin controller.
- Apple T6030 and T6031 support (just compatible strings).
- Samsung Exynos 8855 SoC pin control.
- Mediatek MT6858 SoC pin control.
- Rockchip RK3308B SoC pin control.
- Rockchip RV1106 SoC pin control.
- Airoha EN7523 SoC pin control.
- Airoha AN7563 SoC pin control.
Improvements:
- Qualcomm TLMM GPIOs are unconditionally marked as wakeup capable.
- Qualcomm improvements on top of the Qualcomm PDC (power domain
controller) irqchip improvements from tglx:s tree.
- Qualcomm IPQ806x and IPQ9650 nonurgent pin grop fixups.
- The NPCM8xx driver has been put into shape fixing many pin and
group definitions.
- Some nonurgent Tegra 264 pin assignments are fixed up.
- Some nonurgent fixups to Airoha AN7581 and AN7583 registers and
pin assignments, missing features etc.
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Merge tag 'pinctrl-v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control updates from Linus Walleij:
"Core changes:
- Use the non-blocking mux_state_try_select() in the generic MUX pin
control back-end
- Free pin maps on pinctrl_generic_to_map() failure in the core
helpers
New hardware pin control:
- Qualcomm Maili TLMM SoC, PMG1110 PMIC, and Eliza LPASS LPI TLMM SoC
(this is for the low power audio, LPASS = Low Power Audio SubSystem
portions)
- Upboard support on top of the Intel pin controller
- Apple T6030 and T6031 support (just compatible strings)
- Samsung Exynos 8855 SoC
- Mediatek MT6858 SoC
- Rockchip RK3308B and RV1106 SoCs
- Airoha EN7523 and AN7563 SoCs
Improvements:
- Qualcomm TLMM GPIOs are unconditionally marked as wakeup capable
- Qualcomm improvements on top of the Qualcomm PDC (power domain
controller) irqchip improvements from tglx:s tree
- Qualcomm IPQ806x and IPQ9650 non-urgent pin grop fixups
- The NPCM8xx driver has been put into shape fixing many pin and
group definitions
- Some non-urgent Tegra 264 pin assignments are fixed up
- Some non-urgent fixups to Airoha AN7581 and AN7583 registers and
pin assignments, missing features etc"
* tag 'pinctrl-v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (130 commits)
dt-bindings: pinctrl: Convert TI DA850 pupd to DT schema
pinctrl: meson: sync some modify from A4
pinctrl: meson: a4: Add input enable pin configuration
pinctrl: realtek: rtd1625: remove unused group name spdif_sel
pinctrl: realtek: rtd1625: fix base_bit for VE4 GPIO 13
dt-bindings: pinctrl: microchip,pic32mzda-pinctrl: Convert to DT schema
Revert "Merge branch 'ib-rsk7204' into devel"
pinctrl: rockchip: Add RV1106 pinctrl support
dt-bindings: pinctrl: rockchip: Add RV1106 compatible
pinctrl: rockchip: Decode drive strength in the get function
pinctrl: fix PINCTRL_GENERIC_MUX not always being selectable
pinctrl: airoha: add support of an7563 SoC
dt-bindings: pinctrl: airoha: add support of an7563 pin controller
pinctrl: airoha: try to find chip scu node by phandle first
pinctrl: airoha: add support of en7523 SoC
dt-bindings: pinctrl: airoha: add support of en7523 pin controller
pinctrl: airoha: an7583: add support for olt pinmux
pinctrl: airoha: an7583: add support for pon_alt pinmux
pinctrl: airoha: an7583: add support for npu_uart pinmux
dt-bindings: pinctrl: airoha: an7583: add missed features
...
|
||
Vladimir Murzin
|
b8f070ac31 |
arm64: process: Fix context switching MTE store-only tag check
SCTLR_EL1.TCSO0 is set when user opt-in for MTE store-only tag check
mode. However, it is not part of SCTLR_USER_MASK which imply that on
context switch we never clear SCTLR_EL1.TCSO0, so we are leaking that
setting into another task.
Fix that by including SCTLR_EL1_TCSO0_MASK into SCTLR_USER_MASK
Fixes:
|
||
Wei-Lin Chang
|
beca1b97a2 |
KVM: arm64: ptdump: Flush the last region
Currently the stage-2 ptdump calls note_page() at each leaf entry visit.
This simply misses the output of the last region, because note_page()
only dumps output when it detects a change in level/prot, or when the
walk enters a next marker section. The last region in the guest IPA
space with the same level/prot is not dumped since there is no change
after it.
Call note_page_flush() to dump the final region. note_page_flush()
uses ptdump_pg_state.end_address to call the final note_page(), so also
provide the end address.
Also change the second marker's start address to ULONG_MAX so we never
cross it. This avoids dumping redundant marker names (which are NULL),
and advancing beyond the end of the marker array.
Fixes:
|
||
|
Wei-Lin Chang
|
902caade3c |
arm64: ptdump: Make note_page_flush() range aware
note_page_flush() calls note_page() with addr == 0 and level == -1 to
dump the last row of a ptdump. addr == 0 (1 << 64 wrapped around)
renders a huge region with enormous size for address spaces with
IA bits < 64. For example the stage-2 page tables and the EFI runtime
page table.
More importantly, the last region of the address space and everything
after the address space up to 1 << 64 are merged into one row of
output. If the last region within the address space is valid, it will
appear to remain valid up to 1 << 64 with the same attributes.
Currently only the EFI runtime ptdump is affected by this, but KVM will
soon fix its stage-2 ptdump by using note_page_flush(). Here is an
example of an EFI runtime ptdump (last row):
0x0000008000000000-0x0000000000000000 17179868672G PGD
With this patch:
0x0000008000000000-0x0001000000000000 261632G PGD
To fix this, cache the end address of a ptdump in ptdump_pg_state so
note_page_flush() can call the final note_page() with the correct end
address.
Fixes:
|
||
Anthony Iliopoulos
|
eb049bdbf2 |
xtensa: remove unused setup_profiling_timer function
setup_profiling_timer() is not used by any code at this point. Since a default weak implementation exists, there is no need to keep this arch-specific definition around. Remove it along with the now-redundant profile header includes. Signed-off-by: Anthony Iliopoulos <ailiop@suse.com> Message-ID: <20260820123711.142005-1-ailiop@suse.com> Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> |
||
Michael Kelley
|
be0cfab740 |
clocksource: hyper-v: Remove support for stimer interrupts in message mode
In Hyper-V versions prior to WS2016/Win10, Hyper-V synthetic timers interrupt the guest by delivering a message that is initially handled by the Linux VMBus driver. Starting with WS2016/Win10, Hyper-V can deliver stimer interrupts directly to an assigned interrupt vector without involving the VMBus driver. This is called "Direct Mode". With the overall removal of Linux support for running on Hyper-V hosts earlier than WS2016 and Windows 10, it's no longer necessary to support the legacy message-based delivery. Remove that delivery mechanism and always use Direct Mode. If for some reason, the Hyper-V host does not enumerate Direct Mode, output an error message but continue to run using the LAPIC timer instead of an stimer. With these changes, the VMBus driver no longer calls the stimer interrupt service routine. This removal has a broader benefit in unblocking the disentangling of VMBus code and stimer code, as they should be independent of each other. The final disentangling will come as a follow-on patch set. Signed-off-by: Michael Kelley <mhklinux@outlook.com> Signed-off-by: Wei Liu <wei.liu@kernel.org> |
||
Wei Liu
|
769bcbee07 |
x86/hyperv: reserve more vectors
Microsoft Hypervisor delivers three vectors to the NT HAL running in the root partition and refuses to map a device interrupt to any of them when interrupt remapping is not available in the system. As of writing, the nested MSHV setup has no interrupt remapping capability. The three vectors are: HAL_NT_APC_VECTOR 0x1F HAL_NT_DPC_VECTOR 0x2F HAL_NT_CLOCK_IPI_VECTOR 0xD2 0x1F is below FIRST_EXTERNAL_VECTOR so the vector allocator never hands it out, but 0x2F and 0xD2 are both inside the allocatable range and are handed out once enough vectors are in use. Mapping such an interrupt then fails with HV_STATUS_INVALID_PARAMETER, and the interrupt is never delivered. Reserve all three next to the hypervisor debug vectors that are already kept out of the allocator's hands. Reviewed-by: Michael Kelley <mhklinux@outlook.com> Signed-off-by: Wei Liu <wei.liu@kernel.org> |
||
|
Linus Torvalds
|
570f7e331f |
pci-v7.3-changes
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Merge tag 'pci-v7.3-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci
Pull PCI updates from Bjorn Helgaas:
"Resource management:
- Add hotplug reservation only once (not at each level of the
hierarchy) so bridge windows don't grow more than necessary (Ilpo
Järvinen)
Driver binding:
- Rework device matching so device ID lifetime only needs to cover
the probe path since dynamic IDs can be removed at any time (Gary
Guo)
Error handling:
- Update mappings of AER errors to agent & layer and log them for
each individual error when multiple errors detected (Lukas Wunner)
- Log Error Source only once, not twice in separate messages (Lukas
Wunner)
- Emit TLP Log only for unmasked errors (Lukas Wunner)
- Support Advisory Non-Fatal Errors (Lukas Wunner)
- Allow DPC on all Downstream Ports, not just Root Ports, when OS
controls AER (Darshit Shah)
ASPM:
- Program the same ASPM Control values for every function of
multi-function devices, as recommended by the PCIe spec (Krishna
Chaitanya Chundru)
- Avoid L0s for Realtek RTS525A, where it causes an AER interrupt
storm (Max Lee)
- Avoid ASPM L0s, L1, and L1 PM Substates based on 'aspm-no-l0s',
'aspm-no-l1' [1], and 'aspm-no-l1ss' DT properties (Krishna
Chaitanya Chundru)
Power management:
- Allow D3 for native hotplug-capable Root Ports on non-x86 platforms
(we avoid D3 for these ports on x86 because some old platforms
didn't validate it) (Manivannan Sadhasivam)
- Allow portdrv to claim Ports even if they don't support services
(AER, PME, DPC, hotplug, etc) so it can do power management (Brian
Norris)
Power control:
- Add support for PCIe WAKE# interrupt when described via DT (Krishna
Chaitanya Chundru)
- For the TC9563 PCIe switch:
- Take a reference on the I2C adapter to avoid uninterruptible
hang when unloading an I2C module while in-use (Johan Hovold)
- Update DT binding and driver to restrict Tx Amplitude, DFE and
N_FTS to USP, DSP1 and DSP2 (Manivannan Sadhasivam)
- Power off only external-facing ports (DSP1, DSP2), leaving USP
and DSP3 (aka VDSP) powered up (Manivannan Sadhasivam)
- Move integrated MAC Endpoint out of the list of internal ports
and configure it separately (Manivannan Sadhasivam)
Virtualization:
- Add ACS quirk for Pericom PI7C9X2G608 switches (Tim Harvey)
- Fix a long-standing bug in the Intel PCH Root Port MPC ACS quirk
that didn't update the intended INTEL_MPC_REG_IRBNCE bit because it
used a 16-bit config write when a 32-bit write was intended
(Mohamad Raizudeen)
Procfs:
- Avoid spurious runtime PM wakeup on config space accesses that are
outside config space and fail before reaching PCI (Krzysztof
Wilczyński)
- Warn on user-space writes to kernel-exclusive config space regions,
as we already do for sysfs (Krzysztof Wilczyński)
- Check credentials of opener, not reader, for config space reads, as
we already do for sysfs (Krzysztof Wilczyński)
Sysfs:
- In pci_write_legacy_io(), avoid out-of-bounds reads from the user
buffer and fix incorrect ioport write data (1-byte writes on
little-endian powerpc, 2- and 4-byte writes on big-endian powerpc)
(Krzysztof Wilczyński)
- In pci_read_legacy_io(), fix incorrect ioport read data for 2- and
4-byte reads on big-endian powerpc (Krzysztof Wilczyński)
- Fix I/O port accessor argument order in Alpha pci_legacy_write()
(Krzysztof Wilczyński)
- Avoid spurious runtime PM wakeup on config space accesses that are
outside config space and fail before reaching PCI (Krzysztof
Wilczyński)
- Return -EINVAL, not -ENODEV, for mmap of I/O BAR that fails because
the arch doesn't support it, as we do for procfs (Krzysztof
Wilczyński)
- Check for LOCKDOWN_PCI_ACCESS for legacy_io and legacy_mem, as we
do for other config space accessors (Krzysztof Wilczyński)
Peer-to-peer DMA:
- Add Nvidia Vera Rubin to list of platforms that support P2PDMA
(Leon Romanovsky)
Endpoint framework:
- Check doorbell SUCCESS bit in pci_endpoint_test to avoid treating
some failures as successes (Niklas Cassel)
- Fail doorbell test when the trigger IRQ is missed (Niklas Cassel)
New native PCIe controller drivers:
- Add DT binding and driver for NVIDIA Tegra264 (Thierry Reding)
Native PCIe controllers:
- Use common wait time definitions for PCIe link monitoring instead
of defining driver-private duplicates (Thierry Reding)
Generic host bridge driver:
- Fix NULL pointer dereference that caused enumeration failures on
32-bit CAM systems (Steffen Persvold)
Amlogic Meson PCIe controller driver:
- Correct the PERST# GPIO state so it remains asserted until power
and REFCLK become stable to fix enumeration failure (Ronald
Claveau)
ASPEED PCIe controller driver:
- Switch to irq_domain_create_linear() so we can obsolete
irq_domain_add_linear() (Jiri Slaby)
Cadence PCIe controller driver:
- Add MODULE_DEVICE_TABLE to generate module aliases for OF-based
module autoloading (Pengpeng Hou)
- Add debugfs 'ltssm_status' file for LGA- and HPA-based Cadence
controllers (Hans Zhang)
- Support up to x4 (not x2) lanes for J200 (Takuma Fujiwara)
- Fix host/endpoint dependencies for cadence-plat driver to fix link
error when cadence-plat is built-in but the host or endpoint driver
is modular (Aksh Garg)
Freescale i.MX6 PCIe controller driver:
- Add imx6 intr/aer/pme interrupt lines for i.MX95 (Richard Zhu)
- Remove PERST# checking from pci_host_common_parse_port() so callers
can decide whether to fall back to legacy DT binding with PERST# in
the host bridge (Sherry Sun)
- Fix build issues when PCI_PWRCTRL_GENERIC or PCI_HOST_COMMON is a
module (Arnd Bergmann)
- Create pwrctrl devices only once by doing it from imx_pcie_probe()
instead of imx_pcie_host_init(), which is used during both probe
and resume (Sherry Sun)
- Use 'dw_pcie_rp->skip_pwrctrl_off' to avoid powering off devices
during suspend to preserve wakeup capability (Sherry Sun)
- Add runtime PM support for i.MX95 to allow dynamic power management
when the link is idle (Richard Zhu)
Intel VMD host bridge driver:
- Support device ID 0x28C1 and assume that BIOS has already
enumerated the hierarchy below VMD and stored bus range info for OS
to use (Nirmal Patel)
- Add support for VMCONFIG BUS_RESTRICT_CFG=3, which makes it
possible to enumerate downstream devices on Intel Arrow Lake-HX
systems and probably others (Ali Alaei)
- Pay attention to _OSC negotiation for VMD hierarchy only when
running on bare metal, not when running in a VM (Nirmal Patel)
- Add Nova Lake (NVL) and Dunlow (DNL) Device IDs (Szymon Durawa)
MediaTek PCIe controller driver:
- Add support for PCIe controller in EcoNet EN7528 and EN751221 SoCs
(Caleb James DeLisle)
MediaTek PCIe Gen3 controller driver:
- Add mediatek-gen3 'memory-region' for restricted DMA buffer
(Chen-Yu Tsai)
NVIDIA Tegra264 PCIe controller driver:
- Distinguish Tegra264 C0 PCIe controller for internal GPU from C1-C5
controllers so the unit address matches the first 'reg' entry
(Thierry Reding)
- Add Tegra264 Root Port stanzas to prepare for generic WAKE#
handling (Thierry Reding)
Qualcomm PCIe controller driver:
- Add IPQ9650 compatible with global interrupt (Kathiravan
Thirumoorthy)
- Add IPQ5210 compatible with IPQ9574 fallback (Varadarajan
Narayanan)
- Add DT binding and driver support for Hawi SoC (Matthew Leung)
- Skip PERST# GPIOs provided by downstream PCIe devices, which should
be handled by drivers of those devices (Manivannan Sadhasivam)
- Stop advertising Attention Button Present (no Qcom SoCs support
Attention Buttons) so pciehp can use Presence Detect Changed events
(Qiang Yu)
Renesas R-Car PCIe controller driver:
- Add rcar-gen4-pci-host optional 'msi-parent' for GIT ITS (Marek
Vasut)
- When MSI is enabled but iMSI-RX is not used, configure AXIINTC to
allow GIT ITS to handle MSI (Marek Vasut)
- Refactor GIC600 implementation to make it easier to add platforms
that only support 32-bit addressing (Marek Vasut)
- Add Renesas R-Car Gen4 S4/V4H/V4M to the list of GIC600
integrations that only support 32-bit addressing (Marek Vasut)
Renesas RZ/G3S PCIe controller driver:
- Add DT binding and driver support for RZ/V2H(P) SoC, which contains
two PCIe controllers, configured either as a single x4 link or two
independent x2 link controllers (Lad Prabhakar)
SpacemiT K1 PCIe controller driver:
- Add missing MODULE_DEVICE_TABLE() to generate module alias info for
OF-based module autoloading (Pengpeng Hou)
StarFive PCIe controller driver:
- Fix resource leaks on error paths in host_init() (Ali Tariq)
- Fix runtime PM handling and teardown ordering to avoid register
access while power or clocks are disabled (Ali Tariq)
- Check for runtime PM resume failure to avoid register access while
power or clocks are disabled (Ali Tariq)
Synopsys DesignWare PCIe controller driver:
- Add LECARC PMU IDs to the DWC RAS/DES VSEC list so it can take
advantage of the existing debugfs support for silicon debug, error
injection, and event counters (Brett Zhou)
- Factor pcie_valid_speed() and pci_bus_speed2lnkctl2() out of bwctrl
so they can be shared by the DWC core (Hans Zhang)
- Flush MSI writes from endpoint before unmapping the iATU, as we
already do for MSI-X writes (Niklas Cassel)
- Unmap MSI iATU window before mapping MSI-X window, to avoid a
subsequent MSI write using a disabled aperture and losing the
interrupt (Niklas Cassel)
- Change endpoint .pre_init() and .init() callbacks to return errors
and handle them (Marek Vasut)
UltraRISC PCIe controller driver:
- Add 'core', 'dbi', and 'aux' clocks to DT binding and manage them
in the driver (Jia Wang)
- Use module_platform_driver() since this may be built as a module,
though not removable because IRQs can't be safely disposed (Jia
Wang)
MicroSemi Switchtec management driver:
- Add Microchip PCI1008 device ID and include it in NTB DMA alias
quirk (Logan Gunthorpe)
Miscellaneous:
- Document how to write PCI Host Controller drivers (Manivannan
Sadhasivam)
- Fix typos in documentation (D'Orus Tsitera)
- Use %pe format specifier to print error pointers so we get symbolic
errname when available (Krzysztof Wilczyński)"
* tag 'pci-v7.3-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci: (124 commits)
PCI: vmd: Add Nova Lake (NVL) and Dunlow (DNL) Device IDs
PCI: tegra264: Add Tegra264 support
dt-bindings: PCI: tegra264: Switch to PCIe Root Port bindings
dt-bindings: PCI: tegra264: Strictly distinguish C0 from C1-C5
PCI/AER: Support Advisory Non-Fatal Errors
PCI: Fix 32-bit config write in Intel PCH Root Port MPC ACS quirk
PCI: dwc: Handle return value from endpoint .pre_init callback
PCI: dwc: Handle return value from endpoint .init callback
PCI: dwc: Add PCI ID for LECARC PCIe PMU
PCI/ASPM: Mask ASPM states based on Devicetree properties
PCI/ASPM: Disable/restore ASPM on every function for multi-function devices
Documentation: PCI: Document how to write PCI Host Controller drivers
PCI/ASPM: Use pcie_capability_clear_and_set_word() for ASPM disable/restore
PCI: Add support for PCIe WAKE# interrupt
PCI: Allow D3 for native hotplug-capable Root Ports on non-x86 platforms
dt-bindings: PCI: Correct white-space style
PCI/ASPM: Avoid L0s for Realtek RTS525A
PCI: ultrarisc: Use module_platform_driver()
PCI: ultrarisc: Get and enable DP1000 PCIe controller clocks
dt-bindings: PCI: ultrarisc: Add required DP1000 PCIe clocks
...
|
||
|
Linus Torvalds
|
b6b019a1d9 |
parisc architecture fixes and updates for kernel v7.3-rc1:
- Drop PER_HPUX personality from UAPI headers - Infinite loop fix when parsing IRQ value in eisa code - Switch to use asm-generic/serial.h - Prevent possible unaligned asm code in head.S -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQS86RI+GtKfB8BJu973ErUQojoPXwUCaosmlQAKCRD3ErUQojoP X6U0AQCDiDmKtBw0lzf3ej4slibydKQTh5vyF45IKTP/RO1hywEA9bt8L/335DGp H+feM1LvLjuVvfpdco41UwnTF0HwDQo= =7xok -----END PGP SIGNATURE----- Merge tag 'parisc-for-7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux Pull parisc architecture updates from Helge Deller: - Drop PER_HPUX personality from UAPI headers - Infinite loop fix when parsing IRQ value in eisa code - Switch to use asm-generic/serial.h - Prevent possible unaligned asm code in head.S * tag 'parisc-for-7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux: parisc: eisa: Fix infinite loop when parsing invalid IRQ value parisc: Fix alignment of asm statements in head.S parisc: eisa_eeprom: Add missing MODULE_DESCRIPTION() parisc: Use asm-generic/serial.h parisc: sba_iommu: Remove dead DEBUG_DMB_TRAP code UAPI: Drop PER_HPUX personality parisc: superio: Spelling s/Peterson/Petersen/ |
||
|
Linus Torvalds
|
66ec24c5d7 |
s390 updates for 7.3 merge window
- Add a cpuidle driver with polling and enabled wait states using the existing CPU idle infrastructure and idle governor to improve latency for frequent sleep/wakeup cycles. Remove the obsolete tick delay heuristic and generic arch_needs_cpu() hook. Add the corresponding driver entry to MAINTAINERS - Add kCFI support using the generic support provided by Clang - Enable Clang CONTEXT_ANALYSIS for various architecture code and for char, PCI, CIO and virtio drivers. Add required lock annotations, exclude unsupported mm helpers and remove conditional PCI locking - Fix secure storage access exception handling and reintroduce DCACHE_WORD_ACCESS previously removed as a workaround - Fix cpum_cf perf crashes when CPUs are brought online while per-task events are active. Allocate and remove per-CPU counter data from CPU hotplug callbacks - Fix a deadlock when an s390dbf debug area is unregistered while one of its debugfs files is being written to - Fix MVIY_PERCPU() with binutils older than 2.39, where an assembler macro silently omitted an instruction needed to repair interrupted operations after CPU migration - Remove/replace cond_resched() calls which are no-ops with the supported s390 preemption models - Fix AP queue depth and maximum message length decoding according to the architecture. Current hardware is not affected, but future hardware could report values which were handled incorrectly - Reflect the configured CPU state in cpu_enabled_mask so deconfigured CPUs are not presented as available for onlining - Restore the vDSO GNU_EH_FRAME program header which was lost when the build switched to direct linker invocation, and mark it read-only - Add SCLP action qualifiers used by Spyre for card initialization, recoverable error and telemetry reporting - Move KMSAN interrupt flag helpers out of line to fix -Wstatic-in-inline build warnings - Use level-specific page table entry accessors for hugetlb entries and ptep_get() when accessing crashed kernel memory in kdump - Make forced AP bus rescans killable so that a user process blocked behind an ongoing scan can still be terminated with SIGKILL - Rework pkey ioctl error paths to remove duplicated cleanup code and avoid freeing error pointers - Allow the protected guest SWIOTLB buffer to be allocated outside the first 2GB. Also enable dynamic SWIOTLB growth and the coherent atomic pool fallback to improve I/O behavior when the initial pool is exhausted - Add program check statistics and spinlock contention tracepoints. Increase the lockdep chain capacity to keep lockdep enabled for complex code paths such as btrfs - Simplify IPL, trap and syscall code and remove the obsolete unistd_32.h generation entry -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEE3QHqV+H2a8xAv27vjYWKoQLXFBgFAmqLHuoACgkQjYWKoQLX FBhf2Qf+JlV+jQM1Lvn/Dj16vuQ77a4aP5C/OnLGMaTrrzbX420qU04yvC96v2Xu ux01aDU9VakonE74IT0NmrNo1VDUk8nSvIWUTB6GH7KvK76VEZN5Kkyn8TmeRmE0 bZ0Fg7MgnhwdYijFDiX9w4rLyirwxs7vkScdJdJd0iKEdoZHXojGSjPDvmSpXght FgCszt+YOqu9MMf9B5oGAl+P40mgPTlm6M+ygoe2dX7qPQBUHLbDPTgZiWnKdXi2 LPx0QPEha921ePDWrWz2HEqNetMfwGl12iertXddf1uzuK6LLObi0M5QrGw/ZbOy UJFM+AjFekTQyZPSunD4NWyCjglqrA== =XF7Y -----END PGP SIGNATURE----- Merge tag 's390-7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux Pull s390 updates from Vasily Gorbik: - Add a cpuidle driver with polling and enabled wait states using the existing CPU idle infrastructure and idle governor to improve latency for frequent sleep/wakeup cycles. Remove the obsolete tick delay heuristic and generic arch_needs_cpu() hook. Add the corresponding driver entry to MAINTAINERS - Add kCFI support using the generic support provided by Clang - Enable Clang CONTEXT_ANALYSIS for various architecture code and for char, PCI, CIO and virtio drivers. Add required lock annotations, exclude unsupported mm helpers and remove conditional PCI locking - Fix secure storage access exception handling and reintroduce DCACHE_WORD_ACCESS previously removed as a workaround - Fix cpum_cf perf crashes when CPUs are brought online while per-task events are active. Allocate and remove per-CPU counter data from CPU hotplug callbacks - Fix a deadlock when an s390dbf debug area is unregistered while one of its debugfs files is being written to - Fix MVIY_PERCPU() with binutils older than 2.39, where an assembler macro silently omitted an instruction needed to repair interrupted operations after CPU migration - Remove/replace cond_resched() calls which are no-ops with the supported s390 preemption models - Fix AP queue depth and maximum message length decoding according to the architecture. Current hardware is not affected, but future hardware could report values which were handled incorrectly - Reflect the configured CPU state in cpu_enabled_mask so deconfigured CPUs are not presented as available for onlining - Restore the vDSO GNU_EH_FRAME program header which was lost when the build switched to direct linker invocation, and mark it read-only - Add SCLP action qualifiers used by Spyre for card initialization, recoverable error and telemetry reporting - Move KMSAN interrupt flag helpers out of line to fix -Wstatic-in-inline build warnings - Use level-specific page table entry accessors for hugetlb entries and ptep_get() when accessing crashed kernel memory in kdump - Make forced AP bus rescans killable so that a user process blocked behind an ongoing scan can still be terminated with SIGKILL - Rework pkey ioctl error paths to remove duplicated cleanup code and avoid freeing error pointers - Allow the protected guest SWIOTLB buffer to be allocated outside the first 2GB. Also enable dynamic SWIOTLB growth and the coherent atomic pool fallback to improve I/O behavior when the initial pool is exhausted - Add program check statistics and spinlock contention tracepoints. Increase the lockdep chain capacity to keep lockdep enabled for complex code paths such as btrfs - Simplify IPL, trap and syscall code and remove the obsolete unistd_32.h generation entry * tag 's390-7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (59 commits) s390/percpu: Fix MVIY_PERCPU() with older binutils s390/debug: Fix deadlock during unregister s390/cpum_cf: Handle CPU hotplug via prepare/dead callbacks s390: Enable CONTEXT_ANALYSIS for various directories s390/mm: Add __context_unsafe() attribute to gmap helper functions s390/mm: Add __context_unsafe() attribute to do_secure_storage_access() s390/sysinfo: Add context analysis attributes s390/irqflags: Add out-of-line definitions of arch_local_irq_*() for KMSAN s390/virtio: Enable CONTEXT_ANALYSIS s390/cio: Enable CONTEXT_ANALYSIS s390/vfio_ccw: Add __must_hold() attribute to vfio_ccw_sch_quiesce() s390/pci: Enable CONTEXT_ANALYSIS s390/pci: Rework __zpci_event_availability() to remove conditional locking s390/pci: Rework __zpci_event_error() to remove conditional locking s390/char: Enable CONTEXT_ANALYSIS s390/con3215: Add __must_hold() attribute to raw3215_make_room() s390/ap: Fix MAPML computation s390/cio: Remove cond_resched() calls s390: Remove cond_resched() calls KVM: s390: Remove cond_resched() calls ... |
||
|
Linus Torvalds
|
388b607d10 |
EFI updates for v7.3
- Set a timeout for EFI runtime service completions, and declare the firmware wedged if it is exceeded. Note that this requires special handling in case the firmware does return after all. - Rate limit the efivarfs statfs() handler as the QueryVariableInfo() runtime service can be costly - Sanity check the size of struct properties_header on Mac/x86 - Tweak the prototype of efi_guid_to_str() -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQQQm/3uucuRGn1Dmh0wbglWLn0tXAUCaoqdVQAKCRAwbglWLn0t XAb1AP9DIuHIAYlD4j8FKXcJtq1O/MzOadE3c4fNIdTPlTeUaAD8CAP0gHG3iRvc G265QOG2tjmmnFbCe+R8JVSdXBwCEAU= =GNJQ -----END PGP SIGNATURE----- Merge tag 'efi-next-for-v7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi Pull EFI updates from Ard Biesheuvel: - Set a timeout for EFI runtime service completions, and declare the firmware wedged if it is exceeded. Note that this requires special handling in case the firmware does return after all - Rate limit the efivarfs statfs() handler as the QueryVariableInfo() runtime service can be costly - Sanity check the size of struct properties_header on Mac/x86 - Tweak the prototype of efi_guid_to_str() * tag 'efi-next-for-v7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi: efivarfs: Rate limit statfs() handler efi: apple-properties: validate setup data header length efi: make efi_guid_to_str() take a const GUID pointer efi/runtime-wrappers: retire the worker if a wedged call ever returns efi/runtime-wrappers: honour EFI_RUNTIME_SERVICES in the non-blocking paths efi/runtime-wrappers: bound the wait for EFI runtime service calls efi/runtime-wrappers: check EFI_RUNTIME_SERVICES before using efi_rts_work efi/runtime-wrappers: handle queue_work() failure with goto exit efi/runtime-wrappers: factor out efi_rts_park_worker() efi: fix stale reference to efi_recover_from_page_fault() |
||
|
Linus Torvalds
|
91959a31a3 |
kho: make boot time huge page allocation work nicely with KHO
Today allocation of gigantic pages in HugeTLB cannot work reliably with KHO:
* HugeTLB allocates gigantic pages using memblock and autoscaling of KHO
scratch accounts for these allocations. When gigantic pages occupy half
of the memory of more, KHO fails to allocate its scratch memory.
* After kexec handover, memblock allocations exclusively use KHO scratch
that is not supposed to contain preserved memory. This essentially blocks
preservation of HugeTLB with gigantic pages.
Extend early memory pools available for KHO kernel with areas that are
guaranteed not to contain preserved memory.
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Merge tag 'liveupdate-v7.3-rc1-20260823' of git://git.kernel.org/pub/scm/linux/kernel/git/liveupdate/linux
Pull more liveupdate updates from Mike Rapoport:
"Make boot time huge page allocation work nicely with kexec handover.
Today allocation of gigantic pages in HugeTLB cannot work reliably
with kexec handover (KHO):
- HugeTLB allocates gigantic pages using memblock and autoscaling of
KHO scratch accounts for these allocations. When gigantic pages
occupy half of the memory of more, KHO fails to allocate its
scratch memory.
- After kexec handover, memblock allocations exclusively use KHO
scratch that is not supposed to contain preserved memory. This
essentially blocks preservation of HugeTLB with gigantic pages.
Extend early memory pools available for KHO kernel with areas that are
guaranteed not to contain preserved memory"
* tag 'liveupdate-v7.3-rc1-20260823' of git://git.kernel.org/pub/scm/linux/kernel/git/liveupdate/linux: (21 commits)
kho: exclude hugetlb memory from scratch size calculation
memblock: add memblock_reserved_hugetlb_size()
memblock: make HugeTLB bootmem allocation work with KHO
memblock: always include KHO headers
kho: extend scratch
mm/mm_init: don't rely on memblock to get KHO scratch migratetype
kho: initialize preserved memory map radix tree earlier
kho: initialize kho_scratch pointer earlier in boot
kho: expose kho_scratch_overlap() to kexec_handover.h
kho: add kho_radix_init_tree()
kho: allow destroying KHO radix tree
kho: allow early-boot usage of the KHO radix tree
kho: add data argument to radix walk callback
kho: add callback for table pages
kho: add a struct for radix callbacks
kho: move all memory retrieval logic to kho_mem_retrieve()
kho: store incoming radix tree in kho_in
kho: disallow wide keys in radix tree
kho: make radix max key width more obvious
kho: generalize radix tree APIs
...
|
||
|
Linus Torvalds
|
81ed8bd71e |
- Fix timer debugobjects state corruption on CPU offlining
(Thomas Gleixner)
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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mergetag object
|
||
Bjorn Helgaas
|
45b3d1baf4 |
Merge branch 'pci/controller/dwc-rcar-gen4'
- When MSI is enabled but iMSI-RX is not used, configure AXIINTC to allow GIT ITS to handle MSI (Marek Vasut) - Refactor GIC600 implementation to make it easier to add platforms that only support 32-bit addressing (Marek Vasut) - Add Renesas R-Car Gen4 S4/V4H/V4M to the list of GIC600 integrations that only support 32-bit addressing (Marek Vasut) * pci/controller/dwc-rcar-gen4: irqchip/gic-v3: Add Renesas R-Car Gen4 erratum workaround irqchip/gic-v3: Refactor GIC600 limited to 32bit PA erratum handling PCI: rcar-gen4: Configure AXIINTC if iMSI-RX is not used PCI: dwc: Move iMSI-RX check before calling 'pp->ops->init()' |
||
|
Linus Torvalds
|
2f0f6b0773 |
Modules changes for 7.3-rc1
- Remove unnecessary module::args. Nowadays, no parameter-handling code points into the module::args buffer. The last user of module::args in xtensa/simdisk is updated and the data is then removed. - Add Rust support for boolean parameters. This will initially be used by the Rust null block driver. - Fix clearing the current charp parameter value when setting a new one fails due to an allocation failure. - Improve the debugging code for kmod (request_module()) duplicates. Fix a potential use-after-free when waiting on a duplicate request and make several general improvements to the code. - Fix the symbol size returned when looking up a data symbol through kallsyms. - The remaining changes are smaller fixes and cleanups. -----BEGIN PGP SIGNATURE----- iQFkBAABCABOFiEEIduBR9MnFA82q/jtumpXJwqY6poFAmqG/rIbFIAAAAAABAAO bWFudTIsMi41KzEuMTIsMiwyFBxwZXRyLnBhdmx1QHN1c2UuY29tAAoJELpqVycK mOqaur8H/i1kJq+zQfUB6/ijvX4yRGXezX0O30iLJ2N/imVsnMe6xP2eqqFIb2Be r5gnCc8P1WRJrDIe3uMsQBpoWIxEpCJ0F+S6JXiFEdht66taco8ivpP4hJWGHerj dCIf7RA3JOFave/7mN4UsrSXtl3HUyrMXplYuycE/5l/pYUY06qXmetgpA2aWywu jVpnCW9I7OO55Tf8tto2X4h6TbXP7ukCnojnadFz+N8JlG2hs45CQYSl1wEzKaFv okqPWCHTexcWySaEbqWWogbzvzIL6lr9C+nKMzYggMDYH7TxMwfscvo4pmTO/nOx +EO4PArCenf+7nsV2wKl2YLbnbzM1oA= =p/Yx -----END PGP SIGNATURE----- Merge tag 'modules-7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/modules/linux Pull module updates from Petr Pavlu: - Remove unnecessary module::args. Nowadays, no parameter-handling code points into the module::args buffer. The last user of module::args in xtensa/simdisk is updated and the data is then removed - Add Rust support for boolean parameters. This will initially be used by the Rust null block driver - Fix clearing the current charp parameter value when setting a new one fails due to an allocation failure - Improve the debugging code for kmod (request_module()) duplicates. Fix a potential use-after-free when waiting on a duplicate request and make several general improvements to the code - Fix the symbol size returned when looking up a data symbol through kallsyms - Smaller fixes and cleanups * tag 'modules-7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/modules/linux: params: fix charp corruption on allocation failure module: validate string table section types module/dups: Clean up includes module/dups: Use strcmp() to compare module names module/dups: Use scope-based cleanup helpers module/dups: Avoid unnecessary kmod_dup_req allocations module/dups: Fix use-after-free in kmod_dup_req lifetime handling module/dups: Inform duplicate requests about the result directly rust: module_param: support bool parameters rust: module_param: return value by copy from `value` module: Remove unnecessary module::args xtensa/simdisk: Avoid referring to module::args module: Remove unused DISCARD_EH_FRAME definition from module.lds.S module: procfs: use matching type for accumulator in module_total_size() module: use strscpy() to copy module names in stats and dup tracking params: fix path of /sys/module/XYZ/parameters/ in comment module/kallsyms: fix nextval for data symbol lookup |
||
|
Linus Torvalds
|
27a59c0251 |
- switch gpio code to use swnodes
- rework of TXX9 gpio code - enable multi-vpe for econet - cleanups and fixes -----BEGIN PGP SIGNATURE----- iQJOBAABCAA4FiEEbt46xwy6kEcDOXoUeZbBVTGwZHAFAmqIEdMaHHRzYm9nZW5k QGFscGhhLmZyYW5rZW4uZGUACgkQeZbBVTGwZHAkqA/+MWKp0NevMWeCGPukuYrc HkrAj73ZuMZ1w3kBGitbGggGu2kiCyepTQ6Z//RnsSb+r55Kb+IK8Cl+5N4KV+5F VwDalq7R2T2vzK4p9zRiNkSY7D4l77j1fnDQGrF0KaGT+AHBlQMjPZc91K7Sbo6a /TmZq5jyMyRwPFmBBRgzZlMSPXQS8PXjFdNdbqxt/tqd4v6DeKb2ioTEbqfolRYE GCwpv4UJxwTan7S3LDINbaT2f7cAHdcFX4Rtjwv0We+rqEsmQBguFL/jdEVSfU8k 9B52adtMBsmNcoV85ECKkkDjhlYEgi0KXiYtWTGcxvW/K9PdpYqhno+aS2QSnvbN X5IwfCy/E6FEqg1gXc7sAJjQNKf/lDbaOkPyLdLeBERCxs6yURFvsM7wtDLg3ive CZGw7zm8ZCcgWfumWVyc98LJ820TczDU8CCaG+zD4kiIxYLLoVzsDboKUBwn5cEC eh07NWD5NvR70zJahEYIZEXXYCNLGChQg5Knzct09yrDrHIH1nqCaQ8kMvm7bG3U NYFryZKTpuWYNxB9Kp91nTQ7CPXp4r5LaEitTt1DxFLZ+1/y7RGAILSoCelec4gZ sBuQu+vuTo4PKnwjqku6Q9bxrpBjPZ6IoVXxDuOMXQY10ywlILgRw4cTtHP8a7ji Nvr89UsfMOCbpI90s5D1y7s= =B/6M -----END PGP SIGNATURE----- Merge tag 'mips_7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux Pull MIPS updates from Thomas Bogendoerfer: - switch gpio code to use swnodes - rework of TXX9 gpio code - enable multi-vpe for econet - cleanups and fixes * tag 'mips_7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: mips: dts: econet: Describe dual-VPE 34Kc processor mips: econet: add multi-vpe capability to EN751221 MIPS: ptrace: Fix syscall skipping via PTRACE_SYSCALL mips: remove dead select MIPS: BCM47XX: Convert buttons to software nodes ssb: gpio: Add and register software node for GPIO controller bcma: gpio: Add and register software node for GPIO controller MIPS: ip22-gio: Drop #include of <linux/mod_devicetable.h> MIPS: TXX9: Clean up txx9_iocled_init() MIPS: TXX9: Convert gpio_txx9 to dynamic GPIO base allocation MIPS: TXX9: Drop GPIOLIB_LEGACY select MIPS: TXX9: Use GPIO lookup table for iocled LEDs MIPS: TXX9: Reduce TXX9_IOCLED_MAXLEDS to 3 MIPS: TXX9: rbtx4927: Use GPIO lookup table for TXx9 LEDs MIPS: TXX9: rbtx4927: Use GPIO lookup table for SIO DTR MIPS: TXX9: Remove txx9_7segled_*() forward declarations MIPS: TXX9: Remove tx4938_spi_init() and txx9_spi_init() MIPS: kernel: proc: Use two seq_putc() calls in show_cpuinfo() |
||
|
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() ... |
||
|
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
|
a625b2a387 |
VFIO updates for v7.3-rc1
- Add nv_falcon vfio selftest driver. The Falcon is a general-purpose
microcontroller embedded within NVIDIA GPUs, presenting a relatively
simple DMA programming interface. This adds another selftest target
for vfio-pci with real DMA transfers. (Rubin Du, Alex Williamson)
- Add allocation assertion helpers to vfio selftests and use them to
avoid variable length arrays and the compiler errors they generate.
(Alex Mastro)
- Fix use-after-free hazard where an init path error in MSI support
leaves a stray pointer that can later be reused or double-freed.
(Xiang Mei)
- Fix previous refactor of PCI BAR mappings to honor non_mappable_bars
flag, which otherwise generates a warning when trying to pci_iomap()
a 256TiB BAR on ISM devices on s390. (Farhan Ali)
- Add igb vfio selftest driver. Like nv_falcon, this provides another
target for DMA testing with vfio selftests, but importantly this
driver supports both physical 82576 NICs and the emulation model in
QEMU. This therefore enables a vfio selftest vector with no physical
hardware requirements. (Josh Hilke, Alex Williamson)
- Mark selftest fixture objects __maybe_unused to accommodate builds
with clang -Wunused-but-set-global. (David Matlack)
- Add error recovery for vfio-pci devices on s390x. This expands
devices which expose the existing error eventfd and introduces a
device feature for reporting firmware defined error state
information to the user, allowing recovery through hypervisor
channels. (Farhan Ali)
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Merge tag 'vfio-v7.3-rc1' of https://github.com/awilliam/linux-vfio
Pull VFIO updates from Alex Williamson:
- Add nv_falcon vfio selftest driver.
The Falcon is a general-purpose microcontroller embedded within
NVIDIA GPUs, presenting a relatively simple DMA programming
interface.
This adds another selftest target for vfio-pci with real DMA
transfers (Rubin Du, Alex Williamson)
- Add allocation assertion helpers to vfio selftests and use them to
avoid variable length arrays and the compiler errors they generate
(Alex Mastro)
- Fix use-after-free hazard where an init path error in MSI support
leaves a stray pointer that can later be reused or double-freed
(Xiang Mei)
- Fix previous refactor of PCI BAR mappings to honor non_mappable_bars
flag, which otherwise generates a warning when trying to pci_iomap()
a 256TiB BAR on ISM devices on s390 (Farhan Ali)
- Add igb vfio selftest driver.
Like nv_falcon, this provides another target for DMA testing with
vfio selftests, but importantly this driver supports both physical
82576 NICs and the emulation model in QEMU.
This therefore enables a vfio selftest vector with no physical
hardware requirements (Josh Hilke, Alex Williamson)
- Mark selftest fixture objects __maybe_unused to accommodate builds
with clang -Wunused-but-set-global (David Matlack)
- Add error recovery for vfio-pci devices on s390x.
This expands devices which expose the existing error eventfd and
introduces a device feature for reporting firmware defined error
state information to the user, allowing recovery through hypervisor
channels (Farhan Ali)
* tag 'vfio-v7.3-rc1' of https://github.com/awilliam/linux-vfio:
vfio/pci: Remove the pcie check for VFIO_PCI_ERR_IRQ_INDEX
vfio-pci/zdev: Add a device feature for error information
s390/pci: Store PCI error information for passthrough devices
PCI/MSI: Enable memory decoding before restoring MSI-X messages
PCI: Fail FLR when config space is inaccessible
PCI: Avoid saving config space state if inaccessible
PCI: Allow per function PCI slots to fix slot reset on s390
PCI: Introduce PCI_SLOT_PLACEHOLDER constant for slot_nr placeholder value
selftests: harness: Mark test fixture objects __maybe_unused
vfio: selftests: Retry on EAGAIN during device reset
vfio: selftests: igb: Add driver for Intel 82576 device
vfio: selftests: Add helpers to re-enable interrupts
vfio/pci: Avoid mapping BARs for devices with non-mappable BARs
vfio/pci: clear vdev->msi_perm after freeing it on init failure
vfio: selftests: Avoid VLAs
vfio: selftests: Add allocation assert helpers
vfio: selftests: Add NVIDIA Falcon driver for DMA testing
vfio: selftests: Allow drivers without send_msi() support
vfio: selftests: Add generic PCI command register helpers
vfio: selftests: Add memcpy chunking to vfio_pci_driver_memcpy()
|
||
|
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
|
73cc4da385 |
m68k updates for v7.3
- Fix backtraces for non-running tasks, - Fix deadlock in show_cons_active(), - Defconfig updates, - Miscellaneous fixes and improvements. -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQQ9qaHoIs/1I4cXmEiKwlD9ZEnxcAUCaoV1OQAKCRCKwlD9ZEnx cHjKAQDcxc6SuW9cuxPrdXobvsogct3oSUJYrqDtNyAxmMEOlwEAzGZ+dRdDLs/V znDQV+PWuMTu+Aj6KujQcexGsyeCtw0= =xyN1 -----END PGP SIGNATURE----- Merge tag 'm68k-for-v7.3-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k Pull m68k updates from Geert Uytterhoeven: - Fix backtraces for non-running tasks - Fix deadlock in show_cons_active() - defconfig updates * tag 'm68k-for-v7.3-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k: m68k: nfcon: Do not call console_is_registered() in nfcon_device() m68k: Fix backtraces for non-running tasks m68k: defconfig: Update defconfigs for v7.2-rc1 m68k: amiga: Remove redundant amiga_reset() prototype |
||
|
Linus Torvalds
|
caf325ab81 |
LoongArch changes for v7.3
1, Add DIRECT_MAP_PHYSMEM_END definition; 2, Expand module virtual address space to 2GB; 3, Use current_stack_pointer in current_pt_regs(); 4, BPF JIT enhancements such as kptr_xchg and timed may_goto; 5, Some bug fixes and other small changes. -----BEGIN PGP SIGNATURE----- iQJKBAABCAA0FiEEzOlt8mkP+tbeiYy5AoYrw/LiJnoFAmqDGUUWHGNoZW5odWFj YWlAa2VybmVsLm9yZwAKCRAChivD8uImeiE5D/0XYl8xAsOegm2dNuM+kKfqXAV4 FcbaoB7GuYHWG7lFkVTITwBe8A30BInADrwZQPxv7wb7aTQusTwNjAfq1pX1MOxG ET1Fady7dEokCB9VAS/FP24lbF5nDYLVs0kEcx+xvAwQpW750Rk+aWcyCZeX5xgV 3KrlnYVXDvDYY6HDeuL9pXkKhyRe4uqnPLh1loOhK0HC/NhLCu+tfyLH3pQl/ZCf QuNnw93fSTJPvZD2HcTb81tG4ohdj5GXM9SuckfIvNiZoRtc5pMnVE6we1N5yQKY E4EwB9fqQ74piMbM2RjLPi5bjgzzdJSGamdEZ4QUau4HjFXZsDiNEfWRmN2Z3qQo +zsLzZq43yHsCUsaobWmtmo0Q6YF4pjtyff904YYrPIKH+96dyGsvjbA+n46H7pL Eg+HNdOH0t6dU706y0zbR0t1Za4PiM9dZtV3BZT3B8MLMEy7dsVYoBUt+7Kc+eYB lq5SlWaFYyOSnC1WL8/uzzrH6adF/62DruHy1ovlWOE6bhPc+uQucXHOyNxyf86h xIlOB0hRCO18sYql6WuxpQO9bKP0LCQv5JoeCqjXsKTQgiG3kFAx9bpRmTHt4CqH 3LWiBRRVzLvScZ0qqerGXXylXXkdN3uagtpSXM+f/bXbWje3cROSyWK4rktwLsPN ugAIATgZ8+/B45X56w== =h0m2 -----END PGP SIGNATURE----- Merge tag 'loongarch-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson Pull LoongArch updates from Huacai Chen: - Add DIRECT_MAP_PHYSMEM_END definition - Expand module virtual address space to 2GB - Use current_stack_pointer in current_pt_regs() - BPF JIT enhancements such as kptr_xchg and timed may_goto - Some bug fixes and other small changes * tag 'loongarch-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson: selftests/bpf: Enable kptr_xchg_inline test on LoongArch LoongArch: BPF: Add arch_bpf_stack_walk() implementation LoongArch: BPF: Add timed may_goto implementation LoongArch: BPF: Resolve per-CPU addrs for internal-only MOV LoongArch: BPF: Advertise JIT support for kptr xchg inline LoongArch: BPF: Align value-returning atomics with LKMM LoongArch: BPF: Split unconditional branch JA paths statically LoongArch: BPF: Remove dead move_imm() call in BPF_NEG path LoongArch: BPF: Remove redundant zext jumping in move_imm() LoongArch: BPF: Implement branchless conditional move for TCC LoongArch: BPF: Refactor jump offset calculation in tail call LoongArch: BPF: Move arena register slot below TCC context LoongArch: BPF: Optimize redundant TCC loads in epilogue LoongArch: Use current_stack_pointer in current_pt_regs() LoongArch: Use generic cmp_int() instead of custom cmp_3way() LoongArch: Expand module virtual address space to 2GB LoongArch: Add DIRECT_MAP_PHYSMEM_END definition LoongArch: Fix acpi_package_ids[] array overflow |
||
|
Linus Torvalds
|
9328b3b03b |
\n
-----BEGIN PGP SIGNATURE----- iQEzBAABCAAdFiEEq1nRK9aeMoq1VSgcnJ2qBz9kQNkFAmqFw00ACgkQnJ2qBz9k QNlJlgf/SylCykcdsaqBVJd9hTrg0L6AdMKyc/PpdvyjK7qWOrXLzQFV9p7BHrER pGixy+k/5QTlWRAQ7X7okHI9uo6cMzxP/OeLqiXszBPlinRxsELb1GH89+5jOrQh oAcDci0LxX9dyBXcnl+MFgS6FPURQRnGqCeyMc+EnqHF8LYTjy05jWw/sn8Ok6WF vTBV1gl1YLN6bA+cRDVH3BBWf9irzDvnbBTUo6CRF0H5wPxiuy/ddgaYxgd8GDD/ jKsZ/hmL90695CGmvoGC3WtMpAUJm/rLX6aqoYltwQYbKhVJpfAh58IhJGpgsRG4 l4kVxtZvjvP5jMskXm5SbCMAzB8Fzg== =vznt -----END PGP SIGNATURE----- Merge tag 'fs_for_v7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs Pull ext2, udf, isofs, and quota updates from Jan Kara: - Remove deprecated quota code printing warnings about exceeded quota directly to console - Various udf & isofs hardening for handling of corrupted filesystems - Fix a possible data loss in udf when converting files from inline to out-of-line format - Simplify EIO error handling in ext2 xattr code * tag 'fs_for_v7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs: udf: Fix data loss when converting inline inodes to out of line udf: Move udf_map_block() up ext2: Simplify error handling of IO error when adding xattr isofs: Drop support of directory entries straddling blocks isofs: validate directory records consistently quota: remove CONFIG_PRINT_QUOTA_WARNING code udf: Fix i_lenExtents truncation on 32-bit kernels isofs: release zisofs block pointer buffer head udf: Fix bh leak for unallocated space entries udf: bound lengthAllocDescs from unallocated space entry UDF symlink pathComponent header OOB read isofs: fix out-of-bounds page array access on empty zisofs block udf: reject VAT indexes equal to the entry count udf: Mark LVID buffer as uptodate before marking it dirty udf: avoid recursive s_alloc_mutex deadlock when freeing AED blocks udf: validate extent partition references in udf_current_aext() |
||
|
Linus Torvalds
|
cf62c7084a |
execve update for v7.3-rc1
- x86/elf: Correct comment for STACK_RND_MASK() (Lorenzo Stoakes) -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQRSPkdeREjth1dHnSE2KwveOeQkuwUCaoO91gAKCRA2KwveOeQk u/OkAQDes/wLtw008oU58/Tty17XXmurNLQME4vp1u/UEVzc8gEAy70C+9xCYUSs JLGY89Dr2O+GSGABd2MsLwS9xxO87AQ= =rp7J -----END PGP SIGNATURE----- Merge tag 'execve-v7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux Pull execve update from Kees Cook: - x86/elf: Correct comment for STACK_RND_MASK() (Lorenzo Stoakes) * tag 'execve-v7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: x86/elf: Correct comment for STACK_RND_MASK() |
||
|
Linus Torvalds
|
ae814200e8 |
bitmap updates for v7.3
- bitmap_find_next_zero_area_off() optimization (Sunyi);
- bitmap_find_next_zero_area_off(): return size when no zero area is
found (Yury);
- bitmap vs IDA vs Maple Tree performance test (Yury);
- get rid of cpumap_print_to_pagebuf() (Yury);
- use nr_node_ids in __nodemask_pr_numnodes() (Li RongQing);
- bitops: make the *_bit_le functions use unsigned long (Benjamin);
- bitmap scatter & gather test fix (Christophe);
- use __ASSEMBLER__ in bitmap header files (Thomas);
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Merge tag 'bitmap-for-7.3' of https://github.com/norov/linux
Pull bitmap updates from Yury Norov:
"The usual set of fixes, cleanups and performance improvements together
with a couple of new tests:
- bitmap_find_next_zero_area_off() optimization (Sunyi)
- bitmap_find_next_zero_area_off(): return size when no zero area is
found (Yury)
- bitmap vs IDA vs Maple Tree performance test (Yury)
- get rid of cpumap_print_to_pagebuf() (Yury)
- use nr_node_ids in __nodemask_pr_numnodes() (Li RongQing)
- bitops: make the *_bit_le functions use unsigned long (Benjamin)
- bitmap scatter & gather test fix (Christophe)
- use __ASSEMBLER__ in bitmap header files (Thomas)"
* tag 'bitmap-for-7.3' of https://github.com/norov/linux: (25 commits)
lib: test bitmap vs IDA vs Maple Tree performance for region allocations
bitmap: Return size when no zero area is found
media: s5p-mfc: Treat bitmap size as allocation failure
crypto: ccp: Treat bitmap size as allocation failure
powerpc/msi: Treat bitmap size as allocation failure
ARM: dma-mapping: Treat bitmap size as allocation failure
bitmap: drop bitmap_next_set_region()
nodemask: reduce bitmap width to nr_node_ids in __nodemask_pr_numnodes()
bitmap: Properly initialise destination bitmap for scatter & gather test
lib/bitmap-str: get rid of cpumap_print_to_pagebuf()
perf: Use sysfs_emit() for cpumask show callbacks
PCI/sysfs: Use sysfs_emit() for cpumask show callbacks
RDMA/hfi1: Use sysfs_emit() for cpumask show helper
hwtracing: hisi_ptt: Use sysfs_emit() for cpumask show
fpga: dfl-fme-perf: Use sysfs_emit() for cpumask show
devfreq: Use sysfs_emit() for cpumask show callbacks
cpu: Use sysfs_emit() for cpumask show callback
x86/events: Use sysfs_emit() for cpumask show callbacks
powerpc: Use sysfs_emit() for cpumask show callbacks
arm: Use sysfs_emit() for cpumask show callbacks
...
|
||
|
Linus Torvalds
|
9d2ed026f0 |
Summary
* Documentation
Fix kernel-doc warnings by adjusting in file documentation.
* Consolidate do_proc_* function into do_proc_vec.
Consolidate three slightly different implementations of applying a converter
on all elements of a vector. Fixes to this function now propagate to the three
types.
* Miscellaneous
Replaced CONFIG_PROC_SYSCTL with CONFIG_SYSCTL (they were the same) and
restrict cad_pid modifications to global root (GLOBAL_ROOT_UID)
* Testing
This series was run through sysctl selftests/kunit test suite in x86_64. And
went into linux-next around rc2, giving it a bit more than a month of testing.
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Merge tag 'sysctl-7.03-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/sysctl/sysctl
Pull sysctl updates from Joel Granados:
- Fix kernel-doc warnings by adjusting in file documentation
- Consolidate do_proc_* function into do_proc_vec
Consolidate three slightly different implementations of applying a
converter on all elements of a vector. Fixes to this function now
propagate to the three types.
- Replace CONFIG_PROC_SYSCTL with CONFIG_SYSCTL (they were the same)
and restrict cad_pid modifications to global root (GLOBAL_ROOT_UID)
* tag 'sysctl-7.03-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/sysctl/sysctl:
sysctl: remove CONFIG_PROC_SYSCTL, it just mirrors CONFIG_SYSCTL
sysctl: move the "cad_pid" entry from pid_table[] to kern_reboot_table[]
sysctl: repair some kernel-doc comments
sysctl: add Returns: kernel-doc for all functions
sysctl: Update API function documentation
sysctl: Rename proc_doulongvec_minmax_conv to proc_doulongvec_conv
sysctl: Group proc_handler declarations and document
sysctl: Replace do_proc_do{int,ulong,uint}vec with do_proc_vec
sysctl: Add negp parameter to douintvec converter functions
sysctl: Move default converter assignment out of do_proc_dointvec
|
||
|
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
...
|