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Author SHA1 Message Date
Joel Granados
78eb4ea25c sysctl: treewide: constify the ctl_table argument of proc_handlers 
const qualify the struct ctl_table argument in the proc_handler function
signatures. This is a prerequisite to moving the static ctl_table
structs into .rodata data which will ensure that proc_handler function
pointers cannot be modified.

This patch has been generated by the following coccinelle script:

```
  virtual patch

  @r1@
  identifier ctl, write, buffer, lenp, ppos;
  identifier func !~ "appldata_(timer|interval)_handler|sched_(rt|rr)_handler|rds_tcp_skbuf_handler|proc_sctp_do_(hmac_alg|rto_min|rto_max|udp_port|alpha_beta|auth|probe_interval)";
  @@

  int func(
  - struct ctl_table *ctl
  + const struct ctl_table *ctl
    ,int write, void *buffer, size_t *lenp, loff_t *ppos);

  @r2@
  identifier func, ctl, write, buffer, lenp, ppos;
  @@

  int func(
  - struct ctl_table *ctl
  + const struct ctl_table *ctl
    ,int write, void *buffer, size_t *lenp, loff_t *ppos)
  { ... }

  @r3@
  identifier func;
  @@

  int func(
  - struct ctl_table *
  + const struct ctl_table *
    ,int , void *, size_t *, loff_t *);

  @r4@
  identifier func, ctl;
  @@

  int func(
  - struct ctl_table *ctl
  + const struct ctl_table *ctl
    ,int , void *, size_t *, loff_t *);

  @r5@
  identifier func, write, buffer, lenp, ppos;
  @@

  int func(
  - struct ctl_table *
  + const struct ctl_table *
    ,int write, void *buffer, size_t *lenp, loff_t *ppos);

```

* Code formatting was adjusted in xfs_sysctl.c to comply with code
  conventions. The xfs_stats_clear_proc_handler,
  xfs_panic_mask_proc_handler and xfs_deprecated_dointvec_minmax where
  adjusted.

* The ctl_table argument in proc_watchdog_common was const qualified.
  This is called from a proc_handler itself and is calling back into
  another proc_handler, making it necessary to change it as part of the
  proc_handler migration.

Co-developed-by: Thomas Weißschuh <linux@weissschuh.net>
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Co-developed-by: Joel Granados <j.granados@samsung.com>
Signed-off-by: Joel Granados <j.granados@samsung.com>
 2024-07-24 20:59:29 +02:00
Linus Torvalds
7a3fad30fd Random number generator updates for Linux 6.11-rc1. 
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Merge tag 'random-6.11-rc1-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/crng/random

Pull random number generator updates from Jason Donenfeld:
 "This adds getrandom() support to the vDSO.

  First, it adds a new kind of mapping to mmap(2), MAP_DROPPABLE, which
  lets the kernel zero out pages anytime under memory pressure, which
  enables allocating memory that never gets swapped to disk but also
  doesn't count as being mlocked.

  Then, the vDSO implementation of getrandom() is introduced in a
  generic manner and hooked into random.c.

  Next, this is implemented on x86. (Also, though it's not ready for
  this pull, somebody has begun an arm64 implementation already)

  Finally, two vDSO selftests are added.

  There are also two housekeeping cleanup commits"

* tag 'random-6.11-rc1-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/crng/random:
  MAINTAINERS: add random.h headers to RNG subsection
  random: note that RNDGETPOOL was removed in 2.6.9-rc2
  selftests/vDSO: add tests for vgetrandom
  x86: vdso: Wire up getrandom() vDSO implementation
  random: introduce generic vDSO getrandom() implementation
  mm: add MAP_DROPPABLE for designating always lazily freeable mappings
 2024-07-24 10:29:50 -07:00
Linus Torvalds
5ad7ff8738 f2fs update for 6.11-rc1 
It's a pretty small update including mostly minor bug fixes in zoned storage
 along with the large section support.
 
 Enhancement:
  - add support for FS_IOC_GETFSSYSFSPATH
  - enable atgc dynamically if conditions are met
  - use new ioprio Macro to get ckpt thread ioprio level
  - remove unreachable lazytime mount option parsing
 
 Bug fix:
  - fix null reference error when checking end of zone
  - fix start segno of large section
  - fix to cover read extent cache access with lock
  - don't dirty inode for readonly filesystem
  - allocate a new section if curseg is not the first seg in its zone
  - only fragment segment in the same section
  - truncate preallocated blocks in f2fs_file_open()
  - fix to avoid use SSR allocate when do defragment
  - fix to force buffered IO on inline_data inode
 
 And, it includes some minor code clean-ups, and sanity checks.
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Merge tag 'f2fs-for-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs

Pull f2fs updates from Jaegeuk Kim:
 "A pretty small update including mostly minor bug fixes in zoned
  storage along with the large section support.

  Enhancements:
   - add support for FS_IOC_GETFSSYSFSPATH
   - enable atgc dynamically if conditions are met
   - use new ioprio Macro to get ckpt thread ioprio level
   - remove unreachable lazytime mount option parsing

  Bug fixes:
   - fix null reference error when checking end of zone
   - fix start segno of large section
   - fix to cover read extent cache access with lock
   - don't dirty inode for readonly filesystem
   - allocate a new section if curseg is not the first seg in its zone
   - only fragment segment in the same section
   - truncate preallocated blocks in f2fs_file_open()
   - fix to avoid use SSR allocate when do defragment
   - fix to force buffered IO on inline_data inode

  And some minor code clean-ups and sanity checks"

* tag 'f2fs-for-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (26 commits)
  f2fs: clean up addrs_per_{inode,block}()
  f2fs: clean up F2FS_I()
  f2fs: use meta inode for GC of COW file
  f2fs: use meta inode for GC of atomic file
  f2fs: only fragment segment in the same section
  f2fs: fix to update user block counts in block_operations()
  f2fs: remove unreachable lazytime mount option parsing
  f2fs: fix null reference error when checking end of zone
  f2fs: fix start segno of large section
  f2fs: remove redundant sanity check in sanity_check_inode()
  f2fs: assign CURSEG_ALL_DATA_ATGC if blkaddr is valid
  f2fs: fix to use mnt_{want,drop}_write_file replace file_{start,end}_wrtie
  f2fs: clean up set REQ_RAHEAD given rac
  f2fs: enable atgc dynamically if conditions are met
  f2fs: fix to truncate preallocated blocks in f2fs_file_open()
  f2fs: fix to cover read extent cache access with lock
  f2fs: fix return value of f2fs_convert_inline_inode()
  f2fs: use new ioprio Macro to get ckpt thread ioprio level
  f2fs: fix to don't dirty inode for readonly filesystem
  f2fs: fix to avoid use SSR allocate when do defragment
  ...
 2024-07-23 15:21:19 -07:00
Linus Torvalds
371c141464 Folio conversion from Matthew Wilcox and a few various fixes 
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Merge tag 'jfs-6.11' of github.com:kleikamp/linux-shaggy

Pull jfs updates from David Kleikamp:
 "Folio conversion from Matthew Wilcox and a few various fixes"

* tag 'jfs-6.11' of github.com:kleikamp/linux-shaggy:
  jfs: don't walk off the end of ealist
  jfs: Fix shift-out-of-bounds in dbDiscardAG
  jfs: Fix array-index-out-of-bounds in diFree
  jfs: fix null ptr deref in dtInsertEntry
  jfs: Remove use of folio error flag
  fs: Remove i_blocks_per_page
  jfs: Change metapage->page to metapage->folio
  jfs: Convert force_metapage to use a folio
  jfs: Convert inc_io to take a folio
  jfs: Convert page_to_mp to folio_to_mp
  jfs; Convert __invalidate_metapages to use a folio
  jfs: Convert dec_io to take a folio
  jfs: Convert drop_metapage and remove_metapage to take a folio
  jfs; Convert release_metapage to use a folio
  jfs: Convert insert_metapage() to take a folio
  jfs: Convert __get_metapage to use a folio
  jfs: Convert metapage_writepage to metapage_write_folio
  jfs: Convert metapage_read_folio to use folio APIs
 2024-07-23 15:15:16 -07:00
Linus Torvalds
ca83c61cb3 Kbuild updates for v6.11 
- Remove tristate choice support from Kconfig
 
  - Stop using the PROVIDE() directive in the linker script
 
  - Reduce the number of links for the combination of CONFIG_DEBUG_INFO_BTF
    and CONFIG_KALLSYMS
 
  - Enable the warning for symbol reference to .exit.* sections by default
 
  - Fix warnings in RPM package builds
 
  - Improve scripts/make_fit.py to generate a FIT image with separate base
    DTB and overlays
 
  - Improve choice value calculation in Kconfig
 
  - Fix conditional prompt behavior in choice in Kconfig
 
  - Remove support for the uncommon EMAIL environment variable in Debian
    package builds
 
  - Remove support for the uncommon "name <email>" form for the DEBEMAIL
    environment variable
 
  - Raise the minimum supported GNU Make version to 4.0
 
  - Remove stale code for the absolute kallsyms
 
  - Move header files commonly used for host programs to scripts/include/
 
  - Introduce the pacman-pkg target to generate a pacman package used in
    Arch Linux
 
  - Clean up Kconfig
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Merge tag 'kbuild-v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kbuild updates from Masahiro Yamada:

 - Remove tristate choice support from Kconfig

 - Stop using the PROVIDE() directive in the linker script

 - Reduce the number of links for the combination of CONFIG_KALLSYMS and
   CONFIG_DEBUG_INFO_BTF

 - Enable the warning for symbol reference to .exit.* sections by
   default

 - Fix warnings in RPM package builds

 - Improve scripts/make_fit.py to generate a FIT image with separate
   base DTB and overlays

 - Improve choice value calculation in Kconfig

 - Fix conditional prompt behavior in choice in Kconfig

 - Remove support for the uncommon EMAIL environment variable in Debian
   package builds

 - Remove support for the uncommon "name <email>" form for the DEBEMAIL
   environment variable

 - Raise the minimum supported GNU Make version to 4.0

 - Remove stale code for the absolute kallsyms

 - Move header files commonly used for host programs to scripts/include/

 - Introduce the pacman-pkg target to generate a pacman package used in
   Arch Linux

 - Clean up Kconfig

* tag 'kbuild-v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (65 commits)
  kbuild: doc: gcc to CC change
  kallsyms: change sym_entry::percpu_absolute to bool type
  kallsyms: unify seq and start_pos fields of struct sym_entry
  kallsyms: add more original symbol type/name in comment lines
  kallsyms: use \t instead of a tab in printf()
  kallsyms: avoid repeated calculation of array size for markers
  kbuild: add script and target to generate pacman package
  modpost: use generic macros for hash table implementation
  kbuild: move some helper headers from scripts/kconfig/ to scripts/include/
  Makefile: add comment to discourage tools/* addition for kernel builds
  kbuild: clean up scripts/remove-stale-files
  kconfig: recursive checks drop file/lineno
  kbuild: rpm-pkg: introduce a simple changelog section for kernel.spec
  kallsyms: get rid of code for absolute kallsyms
  kbuild: Create INSTALL_PATH directory if it does not exist
  kbuild: Abort make on install failures
  kconfig: remove 'e1' and 'e2' macros from expression deduplication
  kconfig: remove SYMBOL_CHOICEVAL flag
  kconfig: add const qualifiers to several function arguments
  kconfig: call expr_eliminate_yn() at least once in expr_eliminate_dups()
  ...
 2024-07-23 14:32:21 -07:00
Linus Torvalds
60c6119cad remoteproc updates for v6.11 
The maximum amount of DDR memory used by the Mediatek MT8188/MT8195 SCP
 is increased, to handle new use cases. Handling of optional L1TCM memory
 is made actually optional.
 An optimization is introduced to only clear the unused portion of IPI
 shared buffers, rather than the entire buffer before writing the
 message.
 
 Detection for IPC-only mode in the TI K3 DSP remoteproc driver is
 corrected. The loglevel of a debug print in the same is lowered from
 error.
 
 Support for attaching to an running remote processor is added to the
 Xilinx R5F.
 
 An in-kernel implementation of the Qualcomm "protected domain mapper"
 (aka service registry) service is introduced, to remove the dependency
 on a userspace implementation to detect when the battery monitor and USB
 Type-C port manager becomes available. This is then integrated with the
 Qualcomm remoteproc driver.
 
 The Qualcomm PAS remoteproc driver gains support for attempting to bust
 hwspinlocks held by the remote processor when it crashed/stopped.
 
 The TI OMAP remoteproc driver is transitioned to use devres helpers for
 various forms of allocations.
 
 Parsing of memory-regions in the i.MX remoteproc driver is improved to
 avoid a NULL pointer dereference if the phandle reference is empty.
 of_node reference counting is corrected in the same.
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Merge tag 'rproc-v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux

Pull remoteproc updates from Bjorn Andersson:

 - The maximum amount of DDR memory used by the Mediatek MT8188/MT8195
   SCP is increased to handle new use cases. Handling of optional L1TCM
   memory is made actually optional.

 - An optimization is introduced to only clear the unused portion of IPI
   shared buffers, rather than the entire buffer before writing the
   message.

 - Detection for IPC-only mode in the TI K3 DSP remoteproc driver is
   corrected. The loglevel of a debug print in the same is lowered from
   error.

 - Support for attaching to an running remote processor is added to the
   Xilinx R5F.

 - An in-kernel implementation of the Qualcomm "protected domain mapper"
   (aka service registry) service is introduced, to remove the
   dependency on a userspace implementation to detect when the battery
   monitor and USB Type-C port manager becomes available. This is then
   integrated with the Qualcomm remoteproc driver.

 - The Qualcomm PAS remoteproc driver gains support for attempting to
   bust hwspinlocks held by the remote processor when it
   crashed/stopped.

 - The TI OMAP remoteproc driver is transitioned to use devres helpers
   for various forms of allocations.

 - Parsing of memory-regions in the i.MX remoteproc driver is improved
   to avoid a NULL pointer dereference if the phandle reference is
   empty. of_node reference counting is corrected in the same.

* tag 'rproc-v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux:
  remoteproc: mediatek: Increase MT8188/MT8195 SCP core0 DRAM size
  remoteproc: k3-dsp: Fix log levels where appropriate
  remoteproc: xlnx: Add attach detach support
  remoteproc: qcom: select AUXILIARY_BUS
  remoteproc: k3-r5: Fix IPC-only mode detection
  remoteproc: mediatek: Don't attempt to remap l1tcm memory if missing
  remoteproc: qcom: enable in-kernel PD mapper
  dt-bindings: remoteproc: imx_rproc: Add minItems for power-domain
  remoteproc: imx_rproc: Fix refcount mistake in imx_rproc_addr_init
  remoteproc: omap: Use devm_rproc_add() helper
  remoteproc: omap: Use devm action to release reserved memory
  remoteproc: omap: Use devm_rproc_alloc() helper
  remoteproc: imx_rproc: Skip over memory region when node value is NULL
  dt-bindings: remoteproc: k3-dsp: Correct optional sram properties for AM62A SoCs
  remoteproc: qcom_q6v5_pas: Add hwspinlock bust on stop
  soc: qcom: smem: Add qcom_smem_bust_hwspin_lock_by_host()
  remoteproc: mediatek: Zero out only remaining bytes of IPI buffer
 2024-07-23 13:36:51 -07:00
Linus Torvalds
58bffbac53 hwspinlock updates for v6.11 
This introduces a mechanism in the hardware spinlock framework, and the
 Qualcomm TCSR mutex driver, for allowing clients to bust locks held by a
 remote processor in the event that this enters a faulty state while
 holding the shared lock.
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Merge tag 'hwlock-v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux

Pull hwspinlock updates from Bjorn Andersson:
 "This introduces a mechanism in the hardware spinlock framework, and
  the Qualcomm TCSR mutex driver, for allowing clients to bust locks
  held by a remote processor in the event that this enters a faulty
  state while holding the shared lock"

* tag 'hwlock-v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux:
  hwspinlock: qcom: implement bust operation
  hwspinlock: Introduce hwspin_lock_bust()
 2024-07-23 13:34:56 -07:00
Linus Torvalds
f488790059 Modules changes for v6.11-rc1 
This is a super boring development cycle this time around for modules,
 there is only one patch in this pull request. The patch deals with a
 corner case set of dependencies which is not resolved today to ensure
 users get the modules they need on initramfs. Currently only one modules
 is known to exist which needs this, however this can grow to capture
 other corner cases likely escaped and not reported before. The kernel
 change is just a section update, the real work is done and merged
 already on upstream kmod.
 
 This has been on linux-next for 3 weeks now.
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Merge tag 'modules-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux

Pull module update from Luis Chamberlain:
 "This is a super boring development cycle this time around for modules,
  there is only one patch in this pull request.

  The patch deals with a corner case set of dependencies which is not
  resolved today to ensure users get the module they need on initramfs.
  Currently only one module is known to exist which needs this, however
  this can grow to capture other corner cases likely escaped and not
  reported before. The kernel change is just a section update, the real
  work is done and merged already on upstream kmod.

  This has been on linux-next for 3 weeks now"

* tag 'modules-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux:
  module: create weak dependecies
 2024-07-23 11:43:40 -07:00
Linus Torvalds
28bbe4ea68 I2C for 6.11-rc1 second batch 
The I2C core has two header documentation updates to be applied as the
 dependecies are in now.
 
 The I2C host drivers add some patches which nearly fell through the
 cracks, namely:
 
 Added descriptions in the DTS for the Qualcomm SM8650 and SM8550
 Camera Control Interface (CCI).
 
 Added support for the "settle-time-us" property, which allows the
 gpio-mux device to switch from one bus to another with a configurable
 delay. The time can be set in the DTS. The latest change also includes
 file sorting.
 
 Fixed slot numbering in the SMBus framework to prevent failures
 when more than 8 slots are occupied. It now enforces a a maximum
 of 8 slots to be used. This ensures that the Intel PIIX4 device
 can register the SPDs correctly without failure, even if other
 slots are populated but not used.
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Merge tag 'i2c-for-6.11-rc1-second-batch' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux

Pull more i2c updates from Wolfram Sang:
 "The I2C core has two header documentation updates as the dependecies
  are in now.

  The I2C host drivers add some patches which nearly fell through the
  cracks:

   - Added descriptions in the DTS for the Qualcomm SM8650 and SM8550
     Camera Control Interface (CCI).

   - Added support for the "settle-time-us" property, which allows the
     gpio-mux device to switch from one bus to another with a
     configurable delay. The time can be set in the DTS. The latest
     change also includes file sorting.

   - Fixed slot numbering in the SMBus framework to prevent failures
     when more than 8 slots are occupied. It now enforces a a maximum of
     8 slots to be used. This ensures that the Intel PIIX4 device can
     register the SPDs correctly without failure, even if other slots
     are populated but not used"

* tag 'i2c-for-6.11-rc1-second-batch' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
  i2c: header: improve kdoc for i2c_algorithm
  i2c: header: remove unneeded stuff regarding i2c_algorithm
  i2c: piix4: Register SPDs
  i2c: smbus: remove i801 assumptions from SPD probing
  i2c: mux: gpio: Add support for the 'settle-time-us' property
  i2c: mux: gpio: Re-order #include to match alphabetic order
  dt-bindings: i2c: mux-gpio: Add 'settle-time-us' property
  dt-bindings: i2c: qcom-cci: Document sm8650 compatible
  dt-bindings: i2c: qcom-cci: Document sm8550 compatible
 2024-07-23 09:59:20 -07:00
Linus Torvalds
fd71b9a07b power supply and reset changes for the 6.11 series 
* power-supply core
    - new charging_orange_full_green RGB LED trigger
    - simplify and cleanup power-supply LED trigger code
    - expose power information via hwmon compatibility layer
  * new hardware support
    - enable battery support for Qualcomm Snapdragon X Elite
    - new battery driver for Maxim MAX17201/MAX17205
    - new battery driver for Lenovo Yoga C630 laptop (custom EC)
  * cleanup 'struct i2c_device_id' initializations
  * misc. small battery driver cleanups and fixes
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Merge tag 'for-v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply

Pull power supply and reset updates from Sebastian Reichel:
 "Power-supply core:
   - new charging_orange_full_green RGB LED trigger
   - simplify and cleanup power-supply LED trigger code
   - expose power information via hwmon compatibility layer

  New hardware support:
   - enable battery support for Qualcomm Snapdragon X Elite
   - new battery driver for Maxim MAX17201/MAX17205
   - new battery driver for Lenovo Yoga C630 laptop (custom EC)

  Cleanups:
   - cleanup 'struct i2c_device_id' initializations
   - misc small battery driver cleanups and fixes"

* tag 'for-v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply:
  power: supply: sysfs: use power_supply_property_is_writeable()
  power: supply: qcom_battmgr: Enable battery support on x1e80100
  power: supply: add support for MAX1720x standalone fuel gauge
  dt-bindings: power: supply: add support for MAX17201/MAX17205 fuel gauge
  power: reset: piix4: add missing MODULE_DESCRIPTION() macro
  power: supply: samsung-sdi-battery: Constify struct power_supply_maintenance_charge_table
  power: supply: samsung-sdi-battery: Constify struct power_supply_vbat_ri_table
  power: supply: lenovo_yoga_c630_battery: add Lenovo C630 driver
  power: supply: ingenic: Fix some error handling paths in ingenic_battery_get_property()
  power: supply: ab8500: Clean some error messages
  power: supply: ab8500: Use iio_read_channel_processed_scale()
  power: supply: ab8500: Fix error handling when calling iio_read_channel_processed()
  power: supply: hwmon: Add support for power sensors
  power: supply: ab8500: remove unused struct 'inst_curr_result_list'
  power: supply: bd99954: remove unused struct 'battery_data'
  power: supply: leds: Add activate() callback to triggers
  power: supply: leds: Share trig pointer for online and charging_full
  power: supply: leds: Add power_supply_[un]register_led_trigger()
  power: supply: Drop explicit initialization of struct i2c_device_id::driver_data to 0
 2024-07-23 09:38:27 -07:00
Linus Torvalds
66ebbdfdeb Switch ARM/ARM64 over to the modern per device MSI domains: 
This simplifies the handling of platform MSI and wire to MSI controllers
   and removes about 500 lines of legacy code.
 
   Aside of that it paves the way for ARM/ARM64 to utilize the dynamic
   allocation of PCI/MSI interrupts and to support the upcoming non
   standard IMS (Interrupt Message Store) mechanism on PCIe devices
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Merge tag 'irq-msi-2024-07-22' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull MSI interrupt updates from Thomas Gleixner:
 "Switch ARM/ARM64 over to the modern per device MSI domains.

  This simplifies the handling of platform MSI and wire to MSI
  controllers and removes about 500 lines of legacy code.

  Aside of that it paves the way for ARM/ARM64 to utilize the dynamic
  allocation of PCI/MSI interrupts and to support the upcoming non
  standard IMS (Interrupt Message Store) mechanism on PCIe devices"

* tag 'irq-msi-2024-07-22' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (25 commits)
  irqchip/gic-v3-its: Correctly fish out the DID for platform MSI
  irqchip/gic-v3-its: Correctly honor the RID remapping
  genirq/msi: Move msi_device_data to core
  genirq/msi: Remove platform MSI leftovers
  irqchip/irq-mvebu-icu: Remove platform MSI leftovers
  irqchip/irq-mvebu-sei: Switch to MSI parent
  irqchip/mvebu-odmi: Switch to parent MSI
  irqchip/mvebu-gicp: Switch to MSI parent
  irqchip/irq-mvebu-icu: Prepare for real per device MSI
  irqchip/imx-mu-msi: Switch to MSI parent
  irqchip/gic-v2m: Switch to device MSI
  irqchip/gic_v3_mbi: Switch over to parent domain
  genirq/msi: Remove platform_msi_create_device_domain()
  irqchip/mbigen: Remove platform_msi_create_device_domain() fallback
  irqchip/gic-v3-its: Switch platform MSI to MSI parent
  irqchip/irq-msi-lib: Prepare for DOMAIN_BUS_WIRED_TO_MSI
  irqchip/mbigen: Prepare for real per device MSI
  irqchip/irq-msi-lib: Prepare for DEVICE MSI to replace platform MSI
  irqchip/gic-v3-its: Provide MSI parent for PCI/MSI[-X]
  irqchip/irq-msi-lib: Prepare for PCI MSI/MSIX
  ...
 2024-07-22 14:02:19 -07:00
Linus Torvalds
ac7473a179 Updates for the interrupt subsystem: 
- Core:
 
     - Provide a new mechanism to create interrupt domains. The existing
       interfaces have already too many parameters and it's a pain to expand
       any of this for new required functionality.
 
       The new function takes a pointer to a data structure as argument. The
       data structure combines all existing parameters and allows for easy
       extension.
 
       The first extension for this is to handle the instantiation of
       generic interrupt chips at the core level and to allow drivers to
       provide extra init/exit callbacks.
 
       This is necessary to do the full interrupt chip initialization before
       the new domain is published, so that concurrent usage sites won't see
       a half initialized interrupt domain. Similar problems exist on
       teardown.
 
       This has turned out to be a real problem due to the deferred and
       parallel probing which was added in recent years.
 
       Handling this at the core level allows to remove quite some accrued
       boilerplate code in existing drivers and avoids horrible workarounds
       at the driver level.
 
     - The usual small improvements all over the place
 
   - Drivers
 
     - Add support for LAN966x OIC and RZ/Five SoC
 
     - Split the STM ExtI driver into a microcontroller and a SMP version to
       allow building the latter as a module for multi-platform kernels.
 
     - Enable MSI support for Armada 370XP on platforms which do not support
       IPIs.
 
     - The usual small fixes and enhancements all over the place.
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Merge tag 'irq-core-2024-07-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull interrupt subsystem updates from Thomas Gleixner:
 "Core:

   - Provide a new mechanism to create interrupt domains. The existing
     interfaces have already too many parameters and it's a pain to
     expand any of this for new required functionality.

     The new function takes a pointer to a data structure as argument.
     The data structure combines all existing parameters and allows for
     easy extension.

     The first extension for this is to handle the instantiation of
     generic interrupt chips at the core level and to allow drivers to
     provide extra init/exit callbacks.

     This is necessary to do the full interrupt chip initialization
     before the new domain is published, so that concurrent usage sites
     won't see a half initialized interrupt domain. Similar problems
     exist on teardown.

     This has turned out to be a real problem due to the deferred and
     parallel probing which was added in recent years.

     Handling this at the core level allows to remove quite some accrued
     boilerplate code in existing drivers and avoids horrible
     workarounds at the driver level.

   - The usual small improvements all over the place

  Drivers:

   - Add support for LAN966x OIC and RZ/Five SoC

   - Split the STM ExtI driver into a microcontroller and a SMP version
     to allow building the latter as a module for multi-platform
     kernels

   - Enable MSI support for Armada 370XP on platforms which do not
     support IPIs

   - The usual small fixes and enhancements all over the place"

* tag 'irq-core-2024-07-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (59 commits)
  irqdomain: Fix the kernel-doc and plug it into Documentation
  genirq: Set IRQF_COND_ONESHOT in request_irq()
  irqchip/imx-irqsteer: Handle runtime power management correctly
  irqchip/gic-v3: Pass #redistributor-regions to gic_of_setup_kvm_info()
  irqchip/bcm2835: Enable SKIP_SET_WAKE and MASK_ON_SUSPEND
  irqchip/gic-v4: Make sure a VPE is locked when VMAPP is issued
  irqchip/gic-v4: Substitute vmovp_lock for a per-VM lock
  irqchip/gic-v4: Always configure affinity on VPE activation
  Revert "irqchip/dw-apb-ictl: Support building as module"
  Revert "Loongarch: Support loongarch avec"
  arm64: Kconfig: Allow build irq-stm32mp-exti driver as module
  ARM: stm32: Allow build irq-stm32mp-exti driver as module
  irqchip/stm32mp-exti: Allow building as module
  irqchip/stm32mp-exti: Rename internal symbols
  irqchip/stm32-exti: Split MCU and MPU code
  arm64: Kconfig: Select STM32MP_EXTI on STM32 platforms
  ARM: stm32: Use different EXTI driver on ARMv7m and ARMv7a
  irqchip/stm32-exti: Add CONFIG_STM32MP_EXTI
  irqchip/dw-apb-ictl: Support building as module
  irqchip/riscv-aplic: Simplify the initialization code
  ...
 2024-07-22 13:52:05 -07:00
Linus Torvalds
7d080fa867 for-6.11/block-20240722 
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Merge tag 'for-6.11/block-20240722' of git://git.kernel.dk/linux

Pull more block updates from Jens Axboe:

 - MD fixes via Song:
     - md-cluster fixes (Heming Zhao)
     - raid1 fix (Mateusz Jończyk)

 - s390/dasd module description (Jeff)

 - Series cleaning up and hardening the blk-mq debugfs flag handling
   (John, Christoph)

 - blk-cgroup cleanup (Xiu)

 - Error polled IO attempts if backend doesn't support it (hexue)

 - Fix for an sbitmap hang (Yang)

* tag 'for-6.11/block-20240722' of git://git.kernel.dk/linux: (23 commits)
  blk-cgroup: move congestion_count to struct blkcg
  sbitmap: fix io hung due to race on sbitmap_word::cleared
  block: avoid polling configuration errors
  block: Catch possible entries missing from rqf_name[]
  block: Simplify definition of RQF_NAME()
  block: Use enum to define RQF_x bit indexes
  block: Catch possible entries missing from cmd_flag_name[]
  block: Catch possible entries missing from alloc_policy_name[]
  block: Catch possible entries missing from hctx_flag_name[]
  block: Catch possible entries missing from hctx_state_name[]
  block: Catch possible entries missing from blk_queue_flag_name[]
  block: Make QUEUE_FLAG_x as an enum
  block: Relocate BLK_MQ_MAX_DEPTH
  block: Relocate BLK_MQ_CPU_WORK_BATCH
  block: remove QUEUE_FLAG_STOPPED
  block: Add missing entry to hctx_flag_name[]
  block: Add zone write plugging entry to rqf_name[]
  block: Add missing entries from cmd_flag_name[]
  s390/dasd: fix error checks in dasd_copy_pair_store()
  s390/dasd: add missing MODULE_DESCRIPTION() macros
  ...
 2024-07-22 11:32:05 -07:00
Linus Torvalds
0256994887 for-6.11/block-post-20240722 
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Merge tag 'for-6.11/block-post-20240722' of git://git.kernel.dk/linux

Pull block integrity mapping updates from Jens Axboe:
 "A set of cleanups and fixes for the block integrity support.

  Sent separately from the main block changes from last week, as they
  depended on later fixes in the 6.10-rc cycle"

* tag 'for-6.11/block-post-20240722' of git://git.kernel.dk/linux:
  block: don't free the integrity payload in bio_integrity_unmap_free_user
  block: don't free submitter owned integrity payload on I/O completion
  block: call bio_integrity_unmap_free_user from blk_rq_unmap_user
  block: don't call bio_uninit from bio_endio
  block: also return bio_integrity_payload * from stubs
  block: split integrity support out of bio.h
 2024-07-22 11:04:09 -07:00
Linus Torvalds
527eff227d - In the series "treewide: Refactor heap related implementation", 
Kuan-Wei Chiu has significantly reworked the min_heap library code and
   has taught bcachefs to use the new more generic implementation.
 
 - Yury Norov's series "Cleanup cpumask.h inclusion in core headers"
   reworks the cpumask and nodemask headers to make things generally more
   rational.
 
 - Kuan-Wei Chiu has sent along some maintenance work against our sorting
   library code in the series "lib/sort: Optimizations and cleanups".
 
 - More library maintainance work from Christophe Jaillet in the series
   "Remove usage of the deprecated ida_simple_xx() API".
 
 - Ryusuke Konishi continues with the nilfs2 fixes and clanups in the
   series "nilfs2: eliminate the call to inode_attach_wb()".
 
 - Kuan-Ying Lee has some fixes to the gdb scripts in the series "Fix GDB
   command error".
 
 - Plus the usual shower of singleton patches all over the place.  Please
   see the relevant changelogs for details.
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Merge tag 'mm-nonmm-stable-2024-07-21-15-07' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull non-MM updates from Andrew Morton:

 - In the series "treewide: Refactor heap related implementation",
   Kuan-Wei Chiu has significantly reworked the min_heap library code
   and has taught bcachefs to use the new more generic implementation.

 - Yury Norov's series "Cleanup cpumask.h inclusion in core headers"
   reworks the cpumask and nodemask headers to make things generally
   more rational.

 - Kuan-Wei Chiu has sent along some maintenance work against our
   sorting library code in the series "lib/sort: Optimizations and
   cleanups".

 - More library maintainance work from Christophe Jaillet in the series
   "Remove usage of the deprecated ida_simple_xx() API".

 - Ryusuke Konishi continues with the nilfs2 fixes and clanups in the
   series "nilfs2: eliminate the call to inode_attach_wb()".

 - Kuan-Ying Lee has some fixes to the gdb scripts in the series "Fix
   GDB command error".

 - Plus the usual shower of singleton patches all over the place. Please
   see the relevant changelogs for details.

* tag 'mm-nonmm-stable-2024-07-21-15-07' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (98 commits)
  ia64: scrub ia64 from poison.h
  watchdog/perf: properly initialize the turbo mode timestamp and rearm counter
  tsacct: replace strncpy() with strscpy()
  lib/bch.c: use swap() to improve code
  test_bpf: convert comma to semicolon
  init/modpost: conditionally check section mismatch to __meminit*
  init: remove unused __MEMINIT* macros
  nilfs2: Constify struct kobj_type
  nilfs2: avoid undefined behavior in nilfs_cnt32_ge macro
  math: rational: add missing MODULE_DESCRIPTION() macro
  lib/zlib: add missing MODULE_DESCRIPTION() macro
  fs: ufs: add MODULE_DESCRIPTION()
  lib/rbtree.c: fix the example typo
  ocfs2: add bounds checking to ocfs2_check_dir_entry()
  fs: add kernel-doc comments to ocfs2_prepare_orphan_dir()
  coredump: simplify zap_process()
  selftests/fpu: add missing MODULE_DESCRIPTION() macro
  compiler.h: simplify data_race() macro
  build-id: require program headers to be right after ELF header
  resource: add missing MODULE_DESCRIPTION()
  ...
 2024-07-21 17:56:22 -07:00
Linus Torvalds
fbc90c042c - 875fa64577da ("mm/hugetlb_vmemmap: fix race with speculative PFN 
walkers") is known to cause a performance regression
   (https://lore.kernel.org/all/3acefad9-96e5-4681-8014-827d6be71c7a@linux.ibm.com/T/#mfa809800a7862fb5bdf834c6f71a3a5113eb83ff).
   Yu has a fix which I'll send along later via the hotfixes branch.
 
 - In the series "mm: Avoid possible overflows in dirty throttling" Jan
   Kara addresses a couple of issues in the writeback throttling code.
   These fixes are also targetted at -stable kernels.
 
 - Ryusuke Konishi's series "nilfs2: fix potential issues related to
   reserved inodes" does that.  This should actually be in the
   mm-nonmm-stable tree, along with the many other nilfs2 patches.  My bad.
 
 - More folio conversions from Kefeng Wang in the series "mm: convert to
   folio_alloc_mpol()"
 
 - Kemeng Shi has sent some cleanups to the writeback code in the series
   "Add helper functions to remove repeated code and improve readability of
   cgroup writeback"
 
 - Kairui Song has made the swap code a little smaller and a little
   faster in the series "mm/swap: clean up and optimize swap cache index".
 
 - In the series "mm/memory: cleanly support zeropage in
   vm_insert_page*(), vm_map_pages*() and vmf_insert_mixed()" David
   Hildenbrand has reworked the rather sketchy handling of the use of the
   zeropage in MAP_SHARED mappings.  I don't see any runtime effects here -
   more a cleanup/understandability/maintainablity thing.
 
 - Dev Jain has improved selftests/mm/va_high_addr_switch.c's handling of
   higher addresses, for aarch64.  The (poorly named) series is
   "Restructure va_high_addr_switch".
 
 - The core TLB handling code gets some cleanups and possible slight
   optimizations in Bang Li's series "Add update_mmu_tlb_range() to
   simplify code".
 
 - Jane Chu has improved the handling of our
   fake-an-unrecoverable-memory-error testing feature MADV_HWPOISON in the
   series "Enhance soft hwpoison handling and injection".
 
 - Jeff Johnson has sent a billion patches everywhere to add
   MODULE_DESCRIPTION() to everything.  Some landed in this pull.
 
 - In the series "mm: cleanup MIGRATE_SYNC_NO_COPY mode", Kefeng Wang has
   simplified migration's use of hardware-offload memory copying.
 
 - Yosry Ahmed performs more folio API conversions in his series "mm:
   zswap: trivial folio conversions".
 
 - In the series "large folios swap-in: handle refault cases first",
   Chuanhua Han inches us forward in the handling of large pages in the
   swap code.  This is a cleanup and optimization, working toward the end
   objective of full support of large folio swapin/out.
 
 - In the series "mm,swap: cleanup VMA based swap readahead window
   calculation", Huang Ying has contributed some cleanups and a possible
   fixlet to his VMA based swap readahead code.
 
 - In the series "add mTHP support for anonymous shmem" Baolin Wang has
   taught anonymous shmem mappings to use multisize THP.  By default this
   is a no-op - users must opt in vis sysfs controls.  Dramatic
   improvements in pagefault latency are realized.
 
 - David Hildenbrand has some cleanups to our remaining use of
   page_mapcount() in the series "fs/proc: move page_mapcount() to
   fs/proc/internal.h".
 
 - David also has some highmem accounting cleanups in the series
   "mm/highmem: don't track highmem pages manually".
 
 - Build-time fixes and cleanups from John Hubbard in the series
   "cleanups, fixes, and progress towards avoiding "make headers"".
 
 - Cleanups and consolidation of the core pagemap handling from Barry
   Song in the series "mm: introduce pmd|pte_needs_soft_dirty_wp helpers
   and utilize them".
 
 - Lance Yang's series "Reclaim lazyfree THP without splitting" has
   reduced the latency of the reclaim of pmd-mapped THPs under fairly
   common circumstances.  A 10x speedup is seen in a microbenchmark.
 
   It does this by punting to aother CPU but I guess that's a win unless
   all CPUs are pegged.
 
 - hugetlb_cgroup cleanups from Xiu Jianfeng in the series
   "mm/hugetlb_cgroup: rework on cftypes".
 
 - Miaohe Lin's series "Some cleanups for memory-failure" does just that
   thing.
 
 - Is anyone reading this stuff?  If so, email me!
 
 - Someone other than SeongJae has developed a DAMON feature in Honggyu
   Kim's series "DAMON based tiered memory management for CXL memory".
   This adds DAMON features which may be used to help determine the
   efficiency of our placement of CXL/PCIe attached DRAM.
 
 - DAMON user API centralization and simplificatio work in SeongJae
   Park's series "mm/damon: introduce DAMON parameters online commit
   function".
 
 - In the series "mm: page_type, zsmalloc and page_mapcount_reset()"
   David Hildenbrand does some maintenance work on zsmalloc - partially
   modernizing its use of pageframe fields.
 
 - Kefeng Wang provides more folio conversions in the series "mm: remove
   page_maybe_dma_pinned() and page_mkclean()".
 
 - More cleanup from David Hildenbrand, this time in the series
   "mm/memory_hotplug: use PageOffline() instead of PageReserved() for
   !ZONE_DEVICE".  It "enlightens memory hotplug more about PageOffline()
   pages" and permits the removal of some virtio-mem hacks.
 
 - Barry Song's series "mm: clarify folio_add_new_anon_rmap() and
   __folio_add_anon_rmap()" is a cleanup to the anon folio handling in
   preparation for mTHP (multisize THP) swapin.
 
 - Kefeng Wang's series "mm: improve clear and copy user folio"
   implements more folio conversions, this time in the area of large folio
   userspace copying.
 
 - The series "Docs/mm/damon/maintaier-profile: document a mailing tool
   and community meetup series" tells people how to get better involved
   with other DAMON developers.  From SeongJae Park.
 
 - A large series ("kmsan: Enable on s390") from Ilya Leoshkevich does
   that.
 
 - David Hildenbrand sends along more cleanups, this time against the
   migration code.  The series is "mm/migrate: move NUMA hinting fault
   folio isolation + checks under PTL".
 
 - Jan Kara has found quite a lot of strangenesses and minor errors in
   the readahead code.  He addresses this in the series "mm: Fix various
   readahead quirks".
 
 - SeongJae Park's series "selftests/damon: test DAMOS tried regions and
   {min,max}_nr_regions" adds features and addresses errors in DAMON's self
   testing code.
 
 - Gavin Shan has found a userspace-triggerable WARN in the pagecache
   code.  The series "mm/filemap: Limit page cache size to that supported
   by xarray" addresses this.  The series is marked cc:stable.
 
 - Chengming Zhou's series "mm/ksm: cmp_and_merge_page() optimizations
   and cleanup" cleans up and slightly optimizes KSM.
 
 - Roman Gushchin has separated the memcg-v1 and memcg-v2 code - lots of
   code motion.  The series (which also makes the memcg-v1 code
   Kconfigurable) are
 
   "mm: memcg: separate legacy cgroup v1 code and put under config
   option" and
   "mm: memcg: put cgroup v1-specific memcg data under CONFIG_MEMCG_V1"
 
 - Dan Schatzberg's series "Add swappiness argument to memory.reclaim"
   adds an additional feature to this cgroup-v2 control file.
 
 - The series "Userspace controls soft-offline pages" from Jiaqi Yan
   permits userspace to stop the kernel's automatic treatment of excessive
   correctable memory errors.  In order to permit userspace to monitor and
   handle this situation.
 
 - Kefeng Wang's series "mm: migrate: support poison recover from migrate
   folio" teaches the kernel to appropriately handle migration from
   poisoned source folios rather than simply panicing.
 
 - SeongJae Park's series "Docs/damon: minor fixups and improvements"
   does those things.
 
 - In the series "mm/zsmalloc: change back to per-size_class lock"
   Chengming Zhou improves zsmalloc's scalability and memory utilization.
 
 - Vivek Kasireddy's series "mm/gup: Introduce memfd_pin_folios() for
   pinning memfd folios" makes the GUP code use FOLL_PIN rather than bare
   refcount increments.  So these paes can first be moved aside if they
   reside in the movable zone or a CMA block.
 
 - Andrii Nakryiko has added a binary ioctl()-based API to /proc/pid/maps
   for much faster reading of vma information.  The series is "query VMAs
   from /proc/<pid>/maps".
 
 - In the series "mm: introduce per-order mTHP split counters" Lance Yang
   improves the kernel's presentation of developer information related to
   multisize THP splitting.
 
 - Michael Ellerman has developed the series "Reimplement huge pages
   without hugepd on powerpc (8xx, e500, book3s/64)".  This permits
   userspace to use all available huge page sizes.
 
 - In the series "revert unconditional slab and page allocator fault
   injection calls" Vlastimil Babka removes a performance-affecting and not
   very useful feature from slab fault injection.
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Merge tag 'mm-stable-2024-07-21-14-50' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull MM updates from Andrew Morton:

 - In the series "mm: Avoid possible overflows in dirty throttling" Jan
   Kara addresses a couple of issues in the writeback throttling code.
   These fixes are also targetted at -stable kernels.

 - Ryusuke Konishi's series "nilfs2: fix potential issues related to
   reserved inodes" does that. This should actually be in the
   mm-nonmm-stable tree, along with the many other nilfs2 patches. My
   bad.

 - More folio conversions from Kefeng Wang in the series "mm: convert to
   folio_alloc_mpol()"

 - Kemeng Shi has sent some cleanups to the writeback code in the series
   "Add helper functions to remove repeated code and improve readability
   of cgroup writeback"

 - Kairui Song has made the swap code a little smaller and a little
   faster in the series "mm/swap: clean up and optimize swap cache
   index".

 - In the series "mm/memory: cleanly support zeropage in
   vm_insert_page*(), vm_map_pages*() and vmf_insert_mixed()" David
   Hildenbrand has reworked the rather sketchy handling of the use of
   the zeropage in MAP_SHARED mappings. I don't see any runtime effects
   here - more a cleanup/understandability/maintainablity thing.

 - Dev Jain has improved selftests/mm/va_high_addr_switch.c's handling
   of higher addresses, for aarch64. The (poorly named) series is
   "Restructure va_high_addr_switch".

 - The core TLB handling code gets some cleanups and possible slight
   optimizations in Bang Li's series "Add update_mmu_tlb_range() to
   simplify code".

 - Jane Chu has improved the handling of our
   fake-an-unrecoverable-memory-error testing feature MADV_HWPOISON in
   the series "Enhance soft hwpoison handling and injection".

 - Jeff Johnson has sent a billion patches everywhere to add
   MODULE_DESCRIPTION() to everything. Some landed in this pull.

 - In the series "mm: cleanup MIGRATE_SYNC_NO_COPY mode", Kefeng Wang
   has simplified migration's use of hardware-offload memory copying.

 - Yosry Ahmed performs more folio API conversions in his series "mm:
   zswap: trivial folio conversions".

 - In the series "large folios swap-in: handle refault cases first",
   Chuanhua Han inches us forward in the handling of large pages in the
   swap code. This is a cleanup and optimization, working toward the end
   objective of full support of large folio swapin/out.

 - In the series "mm,swap: cleanup VMA based swap readahead window
   calculation", Huang Ying has contributed some cleanups and a possible
   fixlet to his VMA based swap readahead code.

 - In the series "add mTHP support for anonymous shmem" Baolin Wang has
   taught anonymous shmem mappings to use multisize THP. By default this
   is a no-op - users must opt in vis sysfs controls. Dramatic
   improvements in pagefault latency are realized.

 - David Hildenbrand has some cleanups to our remaining use of
   page_mapcount() in the series "fs/proc: move page_mapcount() to
   fs/proc/internal.h".

 - David also has some highmem accounting cleanups in the series
   "mm/highmem: don't track highmem pages manually".

 - Build-time fixes and cleanups from John Hubbard in the series
   "cleanups, fixes, and progress towards avoiding "make headers"".

 - Cleanups and consolidation of the core pagemap handling from Barry
   Song in the series "mm: introduce pmd|pte_needs_soft_dirty_wp helpers
   and utilize them".

 - Lance Yang's series "Reclaim lazyfree THP without splitting" has
   reduced the latency of the reclaim of pmd-mapped THPs under fairly
   common circumstances. A 10x speedup is seen in a microbenchmark.

   It does this by punting to aother CPU but I guess that's a win unless
   all CPUs are pegged.

 - hugetlb_cgroup cleanups from Xiu Jianfeng in the series
   "mm/hugetlb_cgroup: rework on cftypes".

 - Miaohe Lin's series "Some cleanups for memory-failure" does just that
   thing.

 - Someone other than SeongJae has developed a DAMON feature in Honggyu
   Kim's series "DAMON based tiered memory management for CXL memory".
   This adds DAMON features which may be used to help determine the
   efficiency of our placement of CXL/PCIe attached DRAM.

 - DAMON user API centralization and simplificatio work in SeongJae
   Park's series "mm/damon: introduce DAMON parameters online commit
   function".

 - In the series "mm: page_type, zsmalloc and page_mapcount_reset()"
   David Hildenbrand does some maintenance work on zsmalloc - partially
   modernizing its use of pageframe fields.

 - Kefeng Wang provides more folio conversions in the series "mm: remove
   page_maybe_dma_pinned() and page_mkclean()".

 - More cleanup from David Hildenbrand, this time in the series
   "mm/memory_hotplug: use PageOffline() instead of PageReserved() for
   !ZONE_DEVICE". It "enlightens memory hotplug more about PageOffline()
   pages" and permits the removal of some virtio-mem hacks.

 - Barry Song's series "mm: clarify folio_add_new_anon_rmap() and
   __folio_add_anon_rmap()" is a cleanup to the anon folio handling in
   preparation for mTHP (multisize THP) swapin.

 - Kefeng Wang's series "mm: improve clear and copy user folio"
   implements more folio conversions, this time in the area of large
   folio userspace copying.

 - The series "Docs/mm/damon/maintaier-profile: document a mailing tool
   and community meetup series" tells people how to get better involved
   with other DAMON developers. From SeongJae Park.

 - A large series ("kmsan: Enable on s390") from Ilya Leoshkevich does
   that.

 - David Hildenbrand sends along more cleanups, this time against the
   migration code. The series is "mm/migrate: move NUMA hinting fault
   folio isolation + checks under PTL".

 - Jan Kara has found quite a lot of strangenesses and minor errors in
   the readahead code. He addresses this in the series "mm: Fix various
   readahead quirks".

 - SeongJae Park's series "selftests/damon: test DAMOS tried regions and
   {min,max}_nr_regions" adds features and addresses errors in DAMON's
   self testing code.

 - Gavin Shan has found a userspace-triggerable WARN in the pagecache
   code. The series "mm/filemap: Limit page cache size to that supported
   by xarray" addresses this. The series is marked cc:stable.

 - Chengming Zhou's series "mm/ksm: cmp_and_merge_page() optimizations
   and cleanup" cleans up and slightly optimizes KSM.

 - Roman Gushchin has separated the memcg-v1 and memcg-v2 code - lots of
   code motion. The series (which also makes the memcg-v1 code
   Kconfigurable) are "mm: memcg: separate legacy cgroup v1 code and put
   under config option" and "mm: memcg: put cgroup v1-specific memcg
   data under CONFIG_MEMCG_V1"

 - Dan Schatzberg's series "Add swappiness argument to memory.reclaim"
   adds an additional feature to this cgroup-v2 control file.

 - The series "Userspace controls soft-offline pages" from Jiaqi Yan
   permits userspace to stop the kernel's automatic treatment of
   excessive correctable memory errors. In order to permit userspace to
   monitor and handle this situation.

 - Kefeng Wang's series "mm: migrate: support poison recover from
   migrate folio" teaches the kernel to appropriately handle migration
   from poisoned source folios rather than simply panicing.

 - SeongJae Park's series "Docs/damon: minor fixups and improvements"
   does those things.

 - In the series "mm/zsmalloc: change back to per-size_class lock"
   Chengming Zhou improves zsmalloc's scalability and memory
   utilization.

 - Vivek Kasireddy's series "mm/gup: Introduce memfd_pin_folios() for
   pinning memfd folios" makes the GUP code use FOLL_PIN rather than
   bare refcount increments. So these paes can first be moved aside if
   they reside in the movable zone or a CMA block.

 - Andrii Nakryiko has added a binary ioctl()-based API to
   /proc/pid/maps for much faster reading of vma information. The series
   is "query VMAs from /proc/<pid>/maps".

 - In the series "mm: introduce per-order mTHP split counters" Lance
   Yang improves the kernel's presentation of developer information
   related to multisize THP splitting.

 - Michael Ellerman has developed the series "Reimplement huge pages
   without hugepd on powerpc (8xx, e500, book3s/64)". This permits
   userspace to use all available huge page sizes.

 - In the series "revert unconditional slab and page allocator fault
   injection calls" Vlastimil Babka removes a performance-affecting and
   not very useful feature from slab fault injection.

* tag 'mm-stable-2024-07-21-14-50' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (411 commits)
  mm/mglru: fix ineffective protection calculation
  mm/zswap: fix a white space issue
  mm/hugetlb: fix kernel NULL pointer dereference when migrating hugetlb folio
  mm/hugetlb: fix possible recursive locking detected warning
  mm/gup: clear the LRU flag of a page before adding to LRU batch
  mm/numa_balancing: teach mpol_to_str about the balancing mode
  mm: memcg1: convert charge move flags to unsigned long long
  alloc_tag: fix page_ext_get/page_ext_put sequence during page splitting
  lib: reuse page_ext_data() to obtain codetag_ref
  lib: add missing newline character in the warning message
  mm/mglru: fix overshooting shrinker memory
  mm/mglru: fix div-by-zero in vmpressure_calc_level()
  mm/kmemleak: replace strncpy() with strscpy()
  mm, page_alloc: put should_fail_alloc_page() back behing CONFIG_FAIL_PAGE_ALLOC
  mm, slab: put should_failslab() back behind CONFIG_SHOULD_FAILSLAB
  mm: ignore data-race in __swap_writepage
  hugetlbfs: ensure generic_hugetlb_get_unmapped_area() returns higher address than mmap_min_addr
  mm: shmem: rename mTHP shmem counters
  mm: swap_state: use folio_alloc_mpol() in __read_swap_cache_async()
  mm/migrate: putback split folios when numa hint migration fails
  ...
 2024-07-21 17:15:46 -07:00
Linus Torvalds
2c9b351240 ARM: 
* Initial infrastructure for shadow stage-2 MMUs, as part of nested
   virtualization enablement
 
 * Support for userspace changes to the guest CTR_EL0 value, enabling
   (in part) migration of VMs between heterogenous hardware
 
 * Fixes + improvements to pKVM's FF-A proxy, adding support for v1.1 of
   the protocol
 
 * FPSIMD/SVE support for nested, including merged trap configuration
   and exception routing
 
 * New command-line parameter to control the WFx trap behavior under KVM
 
 * Introduce kCFI hardening in the EL2 hypervisor
 
 * Fixes + cleanups for handling presence/absence of FEAT_TCRX
 
 * Miscellaneous fixes + documentation updates
 
 LoongArch:
 
 * Add paravirt steal time support.
 
 * Add support for KVM_DIRTY_LOG_INITIALLY_SET.
 
 * Add perf kvm-stat support for loongarch.
 
 RISC-V:
 
 * Redirect AMO load/store access fault traps to guest
 
 * perf kvm stat support
 
 * Use guest files for IMSIC virtualization, when available
 
 ONE_REG support for the Zimop, Zcmop, Zca, Zcf, Zcd, Zcb and Zawrs ISA
 extensions is coming through the RISC-V tree.
 
 s390:
 
 * Assortment of tiny fixes which are not time critical
 
 x86:
 
 * Fixes for Xen emulation.
 
 * Add a global struct to consolidate tracking of host values, e.g. EFER
 
 * Add KVM_CAP_X86_APIC_BUS_CYCLES_NS to allow configuring the effective APIC
   bus frequency, because TDX.
 
 * Print the name of the APICv/AVIC inhibits in the relevant tracepoint.
 
 * Clean up KVM's handling of vendor specific emulation to consistently act on
   "compatible with Intel/AMD", versus checking for a specific vendor.
 
 * Drop MTRR virtualization, and instead always honor guest PAT on CPUs
   that support self-snoop.
 
 * Update to the newfangled Intel CPU FMS infrastructure.
 
 * Don't advertise IA32_PERF_GLOBAL_OVF_CTRL as an MSR-to-be-saved, as it reads
   '0' and writes from userspace are ignored.
 
 * Misc cleanups
 
 x86 - MMU:
 
 * Small cleanups, renames and refactoring extracted from the upcoming
   Intel TDX support.
 
 * Don't allocate kvm_mmu_page.shadowed_translation for shadow pages that can't
   hold leafs SPTEs.
 
 * Unconditionally drop mmu_lock when allocating TDP MMU page tables for eager
   page splitting, to avoid stalling vCPUs when splitting huge pages.
 
 * Bug the VM instead of simply warning if KVM tries to split a SPTE that is
   non-present or not-huge.  KVM is guaranteed to end up in a broken state
   because the callers fully expect a valid SPTE, it's all but dangerous
   to let more MMU changes happen afterwards.
 
 x86 - AMD:
 
 * Make per-CPU save_area allocations NUMA-aware.
 
 * Force sev_es_host_save_area() to be inlined to avoid calling into an
   instrumentable function from noinstr code.
 
 * Base support for running SEV-SNP guests.  API-wise, this includes
   a new KVM_X86_SNP_VM type, encrypting/measure the initial image into
   guest memory, and finalizing it before launching it.  Internally,
   there are some gmem/mmu hooks needed to prepare gmem-allocated pages
   before mapping them into guest private memory ranges.
 
   This includes basic support for attestation guest requests, enough to
   say that KVM supports the GHCB 2.0 specification.
 
   There is no support yet for loading into the firmware those signing
   keys to be used for attestation requests, and therefore no need yet
   for the host to provide certificate data for those keys.  To support
   fetching certificate data from userspace, a new KVM exit type will be
   needed to handle fetching the certificate from userspace. An attempt to
   define a new KVM_EXIT_COCO/KVM_EXIT_COCO_REQ_CERTS exit type to handle
   this was introduced in v1 of this patchset, but is still being discussed
   by community, so for now this patchset only implements a stub version
   of SNP Extended Guest Requests that does not provide certificate data.
 
 x86 - Intel:
 
 * Remove an unnecessary EPT TLB flush when enabling hardware.
 
 * Fix a series of bugs that cause KVM to fail to detect nested pending posted
   interrupts as valid wake eents for a vCPU executing HLT in L2 (with
   HLT-exiting disable by L1).
 
 * KVM: x86: Suppress MMIO that is triggered during task switch emulation
 
   Explicitly suppress userspace emulated MMIO exits that are triggered when
   emulating a task switch as KVM doesn't support userspace MMIO during
   complex (multi-step) emulation.  Silently ignoring the exit request can
   result in the WARN_ON_ONCE(vcpu->mmio_needed) firing if KVM exits to
   userspace for some other reason prior to purging mmio_needed.
 
   See commit 0dc902267c ("KVM: x86: Suppress pending MMIO write exits if
   emulator detects exception") for more details on KVM's limitations with
   respect to emulated MMIO during complex emulator flows.
 
 Generic:
 
 * Rename the AS_UNMOVABLE flag that was introduced for KVM to AS_INACCESSIBLE,
   because the special casing needed by these pages is not due to just
   unmovability (and in fact they are only unmovable because the CPU cannot
   access them).
 
 * New ioctl to populate the KVM page tables in advance, which is useful to
   mitigate KVM page faults during guest boot or after live migration.
   The code will also be used by TDX, but (probably) not through the ioctl.
 
 * Enable halt poll shrinking by default, as Intel found it to be a clear win.
 
 * Setup empty IRQ routing when creating a VM to avoid having to synchronize
   SRCU when creating a split IRQCHIP on x86.
 
 * Rework the sched_in/out() paths to replace kvm_arch_sched_in() with a flag
   that arch code can use for hooking both sched_in() and sched_out().
 
 * Take the vCPU @id as an "unsigned long" instead of "u32" to avoid
   truncating a bogus value from userspace, e.g. to help userspace detect bugs.
 
 * Mark a vCPU as preempted if and only if it's scheduled out while in the
   KVM_RUN loop, e.g. to avoid marking it preempted and thus writing guest
   memory when retrieving guest state during live migration blackout.
 
 Selftests:
 
 * Remove dead code in the memslot modification stress test.
 
 * Treat "branch instructions retired" as supported on all AMD Family 17h+ CPUs.
 
 * Print the guest pseudo-RNG seed only when it changes, to avoid spamming the
   log for tests that create lots of VMs.
 
 * Make the PMU counters test less flaky when counting LLC cache misses by
   doing CLFLUSH{OPT} in every loop iteration.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull kvm updates from Paolo Bonzini:
 "ARM:

   - Initial infrastructure for shadow stage-2 MMUs, as part of nested
     virtualization enablement

   - Support for userspace changes to the guest CTR_EL0 value, enabling
     (in part) migration of VMs between heterogenous hardware

   - Fixes + improvements to pKVM's FF-A proxy, adding support for v1.1
     of the protocol

   - FPSIMD/SVE support for nested, including merged trap configuration
     and exception routing

   - New command-line parameter to control the WFx trap behavior under
     KVM

   - Introduce kCFI hardening in the EL2 hypervisor

   - Fixes + cleanups for handling presence/absence of FEAT_TCRX

   - Miscellaneous fixes + documentation updates

  LoongArch:

   - Add paravirt steal time support

   - Add support for KVM_DIRTY_LOG_INITIALLY_SET

   - Add perf kvm-stat support for loongarch

  RISC-V:

   - Redirect AMO load/store access fault traps to guest

   - perf kvm stat support

   - Use guest files for IMSIC virtualization, when available

  s390:

   - Assortment of tiny fixes which are not time critical

  x86:

   - Fixes for Xen emulation

   - Add a global struct to consolidate tracking of host values, e.g.
     EFER

   - Add KVM_CAP_X86_APIC_BUS_CYCLES_NS to allow configuring the
     effective APIC bus frequency, because TDX

   - Print the name of the APICv/AVIC inhibits in the relevant
     tracepoint

   - Clean up KVM's handling of vendor specific emulation to
     consistently act on "compatible with Intel/AMD", versus checking
     for a specific vendor

   - Drop MTRR virtualization, and instead always honor guest PAT on
     CPUs that support self-snoop

   - Update to the newfangled Intel CPU FMS infrastructure

   - Don't advertise IA32_PERF_GLOBAL_OVF_CTRL as an MSR-to-be-saved, as
     it reads '0' and writes from userspace are ignored

   - Misc cleanups

  x86 - MMU:

   - Small cleanups, renames and refactoring extracted from the upcoming
     Intel TDX support

   - Don't allocate kvm_mmu_page.shadowed_translation for shadow pages
     that can't hold leafs SPTEs

   - Unconditionally drop mmu_lock when allocating TDP MMU page tables
     for eager page splitting, to avoid stalling vCPUs when splitting
     huge pages

   - Bug the VM instead of simply warning if KVM tries to split a SPTE
     that is non-present or not-huge. KVM is guaranteed to end up in a
     broken state because the callers fully expect a valid SPTE, it's
     all but dangerous to let more MMU changes happen afterwards

  x86 - AMD:

   - Make per-CPU save_area allocations NUMA-aware

   - Force sev_es_host_save_area() to be inlined to avoid calling into
     an instrumentable function from noinstr code

   - Base support for running SEV-SNP guests. API-wise, this includes a
     new KVM_X86_SNP_VM type, encrypting/measure the initial image into
     guest memory, and finalizing it before launching it. Internally,
     there are some gmem/mmu hooks needed to prepare gmem-allocated
     pages before mapping them into guest private memory ranges

     This includes basic support for attestation guest requests, enough
     to say that KVM supports the GHCB 2.0 specification

     There is no support yet for loading into the firmware those signing
     keys to be used for attestation requests, and therefore no need yet
     for the host to provide certificate data for those keys.

     To support fetching certificate data from userspace, a new KVM exit
     type will be needed to handle fetching the certificate from
     userspace.

     An attempt to define a new KVM_EXIT_COCO / KVM_EXIT_COCO_REQ_CERTS
     exit type to handle this was introduced in v1 of this patchset, but
     is still being discussed by community, so for now this patchset
     only implements a stub version of SNP Extended Guest Requests that
     does not provide certificate data

  x86 - Intel:

   - Remove an unnecessary EPT TLB flush when enabling hardware

   - Fix a series of bugs that cause KVM to fail to detect nested
     pending posted interrupts as valid wake eents for a vCPU executing
     HLT in L2 (with HLT-exiting disable by L1)

   - KVM: x86: Suppress MMIO that is triggered during task switch
     emulation

     Explicitly suppress userspace emulated MMIO exits that are
     triggered when emulating a task switch as KVM doesn't support
     userspace MMIO during complex (multi-step) emulation

     Silently ignoring the exit request can result in the
     WARN_ON_ONCE(vcpu->mmio_needed) firing if KVM exits to userspace
     for some other reason prior to purging mmio_needed

     See commit 0dc902267c ("KVM: x86: Suppress pending MMIO write
     exits if emulator detects exception") for more details on KVM's
     limitations with respect to emulated MMIO during complex emulator
     flows

  Generic:

   - Rename the AS_UNMOVABLE flag that was introduced for KVM to
     AS_INACCESSIBLE, because the special casing needed by these pages
     is not due to just unmovability (and in fact they are only
     unmovable because the CPU cannot access them)

   - New ioctl to populate the KVM page tables in advance, which is
     useful to mitigate KVM page faults during guest boot or after live
     migration. The code will also be used by TDX, but (probably) not
     through the ioctl

   - Enable halt poll shrinking by default, as Intel found it to be a
     clear win

   - Setup empty IRQ routing when creating a VM to avoid having to
     synchronize SRCU when creating a split IRQCHIP on x86

   - Rework the sched_in/out() paths to replace kvm_arch_sched_in() with
     a flag that arch code can use for hooking both sched_in() and
     sched_out()

   - Take the vCPU @id as an "unsigned long" instead of "u32" to avoid
     truncating a bogus value from userspace, e.g. to help userspace
     detect bugs

   - Mark a vCPU as preempted if and only if it's scheduled out while in
     the KVM_RUN loop, e.g. to avoid marking it preempted and thus
     writing guest memory when retrieving guest state during live
     migration blackout

  Selftests:

   - Remove dead code in the memslot modification stress test

   - Treat "branch instructions retired" as supported on all AMD Family
     17h+ CPUs

   - Print the guest pseudo-RNG seed only when it changes, to avoid
     spamming the log for tests that create lots of VMs

   - Make the PMU counters test less flaky when counting LLC cache
     misses by doing CLFLUSH{OPT} in every loop iteration"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (227 commits)
  crypto: ccp: Add the SNP_VLEK_LOAD command
  KVM: x86/pmu: Add kvm_pmu_call() to simplify static calls of kvm_pmu_ops
  KVM: x86: Introduce kvm_x86_call() to simplify static calls of kvm_x86_ops
  KVM: x86: Replace static_call_cond() with static_call()
  KVM: SEV: Provide support for SNP_EXTENDED_GUEST_REQUEST NAE event
  x86/sev: Move sev_guest.h into common SEV header
  KVM: SEV: Provide support for SNP_GUEST_REQUEST NAE event
  KVM: x86: Suppress MMIO that is triggered during task switch emulation
  KVM: x86/mmu: Clean up make_huge_page_split_spte() definition and intro
  KVM: x86/mmu: Bug the VM if KVM tries to split a !hugepage SPTE
  KVM: selftests: x86: Add test for KVM_PRE_FAULT_MEMORY
  KVM: x86: Implement kvm_arch_vcpu_pre_fault_memory()
  KVM: x86/mmu: Make kvm_mmu_do_page_fault() return mapped level
  KVM: x86/mmu: Account pf_{fixed,emulate,spurious} in callers of "do page fault"
  KVM: x86/mmu: Bump pf_taken stat only in the "real" page fault handler
  KVM: Add KVM_PRE_FAULT_MEMORY vcpu ioctl to pre-populate guest memory
  KVM: Document KVM_PRE_FAULT_MEMORY ioctl
  mm, virt: merge AS_UNMOVABLE and AS_INACCESSIBLE
  perf kvm: Add kvm-stat for loongarch64
  LoongArch: KVM: Add PV steal time support in guest side
  ...
 2024-07-20 12:41:03 -07:00
Linus Torvalds
c43a20e4a5 MTD changes: 
- Nothing stands out for this merge window, mostly minor fixes, such as
   module descriptions, the use of debug macros and Makefile improvements.
 
 Raw NAND changes;
 
 - The Freescale MXC driver has been converted to the newer ->exec_op()
   interface. The meson driver now supports handling the boot ROM area
   with very specific ECC needs. Support for the iMX8QXP has been added
   to the GPMI driver. The lpx32xx driver now can get the DMA channels
   using DT entries. The Qcom binding has been improved to be more future
   proof by Rob. And then there is the usual load of misc and minor
   changes.
 
 SPI-NAND changes:
 
 - The Macronix vendor driver has been improved to support an extended ID
   to avoid conflicting with older devices after an ID reuse issue.
 
 SPI NOR changes:
 
 - Drop support for Xilinx S3AN flashes. These flashes are for the very
   old Xilinx Spartan 3 FPGAs and they need some awkward code in the core
   to support. Drop support for these flashes, along with the special
   handling we needed for them in the core like non-power-of-2 page size
   handling and the .setup() callback.
 
 - Fix regression for old w25q128 flashes without SFDP tables. Commit
   83e824a4a5 ("mtd: spi-nor: Correct flags for Winbond w25q128")
   dropped support for such devices under the assumption that they aren't
   being used anymore. Users have now surfaced [0] so fix the regression
   by supporting both kind of devices.
 
 - Core cleanups including removal of SPI_NOR_NO_FR flag and
   simplification of spi_nor_get_flash_info().
 
 [0] https://lore.kernel.org/r/CALxbwRo_-9CaJmt7r7ELgu+vOcgk=xZcGHobnKf=oT2=u4d4aA@mail.gmail.com/
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Merge tag 'mtd/for-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux

Pull MTD updates from Miquel Raynal:
 "Nothing stands out for this merge window, mostly minor fixes, such as
  module descriptions, the use of debug macros and Makefile
  improvements.

  Raw NAND changes;

   - The Freescale MXC driver has been converted to the newer
     '->exec_op()' interface

   - The meson driver now supports handling the boot ROM area with very
     specific ECC needs

   - Support for the iMX8QXP has been added to the GPMI driver

   - The lpx32xx driver now can get the DMA channels using DT entries

   - The Qcom binding has been improved to be more future proof by Rob

   - And then there is the usual load of misc and minor changes

  SPI-NAND changes:

   - The Macronix vendor driver has been improved to support an extended
     ID to avoid conflicting with older devices after an ID reuse issue

  SPI NOR changes:

   - Drop support for Xilinx S3AN flashes. These flashes are for the
     very old Xilinx Spartan 3 FPGAs and they need some awkward code in
     the core to support.

     Drop support for these flashes, along with the special handling we
     needed for them in the core like non-power-of-2 page size handling
     and the .setup() callback.

   - Fix regression for old w25q128 flashes without SFDP tables.

     Commit 83e824a4a5 ("mtd: spi-nor: Correct flags for Winbond
     w25q128") dropped support for such devices under the assumption
     that they aren't being used anymore. Users have now surfaced [0] so
     fix the regression by supporting both kind of devices.

   - Core cleanups including removal of SPI_NOR_NO_FR flag and
     simplification of spi_nor_get_flash_info()"

Link: https://lore.kernel.org/r/CALxbwRo_-9CaJmt7r7ELgu+vOcgk=xZcGHobnKf=oT2=u4d4aA@mail.gmail.com/ [0]

* tag 'mtd/for-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux: (28 commits)
  mtd: rawnand: lpx32xx: Fix dma_request_chan() error checks
  mtd: spinand: macronix: Add support for serial NAND flash
  mtd: spinand: macronix: Add support for reading Device ID 2
  mtd: rawnand: lpx32xx: Request DMA channels using DT entries
  dt-bindings: mtd: qcom,nandc: Define properties at top-level
  mtd: rawnand: intel: use 'time_left' variable with wait_for_completion_timeout()
  mtd: rawnand: mxc: use 'time_left' variable with wait_for_completion_timeout()
  mtd: rawnand: gpmi: add iMX8QXP support.
  mtd: rawnand: gpmi: add 'support_edo_timing' in gpmi_devdata
  mtd: cmdlinepart: Replace `dbg()` macro with `pr_debug()`
  mtd: add missing MODULE_DESCRIPTION() macros
  mtd: make mtd_test.c a separate module
  dt-bindings: mtd: gpmi-nand: Add 'fsl,imx8qxp-gpmi-nand' compatible string
  mtd: rawnand: cadence: remove unused struct 'ecc_info'
  mtd: rawnand: mxc: support software ECC
  mtd: rawnand: mxc: implement exec_op
  mtd: rawnand: mxc: separate page read from ecc calc
  mtd: spi-nor: winbond: fix w25q128 regression
  mtd: spi-nor: simplify spi_nor_get_flash_info()
  mtd: spi-nor: get rid of SPI_NOR_NO_FR
  ...
 2024-07-20 11:52:17 -07:00
Linus Torvalds
9fa23750c6 Landlock updates for v6.11-rc1 
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Merge tag 'landlock-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux

Pull landlock updates from Mickaël Salaün:
 "This simplifies code and improves documentation"

* tag 'landlock-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux:
  landlock: Various documentation improvements
  landlock: Clarify documentation for struct landlock_ruleset_attr
  landlock: Use bit-fields for storing handled layer access masks
 2024-07-20 11:41:52 -07:00
Linus Torvalds
8326f5e1a4 firewire updates for v6.11 
There are many line changes for FireWire subsystem, while there is no
 functional change for practical use. The most of changes are for code
 refactoring, some KUnit tests to added helper functions, and new
 tracepoints events for both the core functions and 1394 OHCI driver.
 
 The tracepoints events now cover the verbose logging enabled by debug
 parameter of firewire-ohci kernel module. The parameter would be removed
 in any future timing, thus it is now deprecated.
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Merge tag 'firewire-updates-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394

Pull firewire updates from Takashi Sakamoto:
 "There are many lines of changes for FireWire subsystem, but there is
  practically no functional change.

  Most of the changes are for code refactoring, some KUnit tests to
  added helper functions, and new tracepoints events for both the core
  functions and 1394 OHCI driver.

  The tracepoints events now cover the verbose logging enabled by debug
  parameter of firewire-ohci kernel module. The parameter would be
  removed in any future timing, thus it is now deprecated"

* tag 'firewire-updates-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394: (32 commits)
  firewire: core: move copy_port_status() helper function to TP_fast_assign() block
  Revert "firewire: ohci: use common macro to interpret be32 data in le32 buffer"
  firewire: ohci: add tracepoints event for data of Self-ID DMA
  firewire: ohci: use inline functions to operate data of self-ID DMA
  firewire: ohci: add static inline functions to deserialize for Self-ID DMA operation
  firewire: ohci: use static function to handle endian issue on PowerPC platform
  firewire: ohci: use common macro to interpret be32 data in le32 buffer
  firewire: core: Fix spelling mistakes in tracepoint messages
  firewire: ohci: add tracepoints event for hardIRQ event
  firewire: ohci: add support for Linux kernel tracepoints
  firewire: core: add tracepoints events for completions of packets in isochronous context
  firewire: core: add tracepoints events for queueing packets of isochronous context
  firewire: core: add tracepoints events for flushing completions of isochronous context
  firewire: core: add tracepoints events for flushing of isochronous context
  firewire: core: add tracepoints events for starting/stopping of isochronous context
  firewire: core: add tracepoints events for setting channels of multichannel context
  firewire: core: add tracepoints events for allocation/deallocation of isochronous context
  firewire: core: undefine macros after use in tracepoints events
  firewire: core: record card index in tracepoints event for self ID sequence
  firewire: core: use inline helper functions to serialize phy config packet
  ...
 2024-07-20 11:30:16 -07:00
Linus Torvalds
f557af081d RISC-V Patches for the 6.11 Merge Window, Part 1 
* Support for various new ISA extensions:
     * The Zve32[xf] and Zve64[xfd] sub-extensios of the vector
       extension.
     * Zimop and Zcmop for may-be-operations.
     * The Zca, Zcf, Zcd and Zcb sub-extensions of the C extension.
     * Zawrs,
 * riscv,cpu-intc is now dtschema.
 * A handful of performance improvements and cleanups to text patching.
 * Support for memory hot{,un}plug
 * The highest user-allocatable virtual address is now visible in
   hwprobe.
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Merge tag 'riscv-for-linus-6.11-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux

Pull RISC-V updates from Palmer Dabbelt:

 - Support for various new ISA extensions:
     * The Zve32[xf] and Zve64[xfd] sub-extensios of the vector
       extension
     * Zimop and Zcmop for may-be-operations
     * The Zca, Zcf, Zcd and Zcb sub-extensions of the C extension
     * Zawrs

 - riscv,cpu-intc is now dtschema

 - A handful of performance improvements and cleanups to text patching

 - Support for memory hot{,un}plug

 - The highest user-allocatable virtual address is now visible in
   hwprobe

* tag 'riscv-for-linus-6.11-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (58 commits)
  riscv: lib: relax assembly constraints in hweight
  riscv: set trap vector earlier
  KVM: riscv: selftests: Add Zawrs extension to get-reg-list test
  KVM: riscv: Support guest wrs.nto
  riscv: hwprobe: export Zawrs ISA extension
  riscv: Add Zawrs support for spinlocks
  dt-bindings: riscv: Add Zawrs ISA extension description
  riscv: Provide a definition for 'pause'
  riscv: hwprobe: export highest virtual userspace address
  riscv: Improve sbi_ecall() code generation by reordering arguments
  riscv: Add tracepoints for SBI calls and returns
  riscv: Optimize crc32 with Zbc extension
  riscv: Enable DAX VMEMMAP optimization
  riscv: mm: Add support for ZONE_DEVICE
  virtio-mem: Enable virtio-mem for RISC-V
  riscv: Enable memory hotplugging for RISC-V
  riscv: mm: Take memory hotplug read-lock during kernel page table dump
  riscv: mm: Add memory hotplugging support
  riscv: mm: Add pfn_to_kaddr() implementation
  riscv: mm: Refactor create_linear_mapping_range() for memory hot add
  ...
 2024-07-20 09:11:27 -07:00
Wolfram Sang
385ac870bd i2c: header: improve kdoc for i2c_algorithm 
Reword the explanation of @xfer, the old one was confusing and mixing up
terminology. Other than that, capitalize some words correctly and use
full line length.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
 2024-07-20 15:45:27 +02:00
Wolfram Sang
d83763e449 i2c: header: remove unneeded stuff regarding i2c_algorithm 
The forward declaration is not needed anymore. The sentence about
"following structs" became obsolete when struct i2c_algorithm became a
kdoc. The paragraph about return values can go because we have this
information in kdoc already.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
 2024-07-20 15:45:27 +02:00
Linus Torvalds
3f386cb8ee pci-v6.11-changes 
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Merge tag 'pci-v6.11-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci

Pull pci updates from Bjorn Helgaas:
 "Enumeration:

   - Define PCIE_RESET_CONFIG_DEVICE_WAIT_MS for the generic 100ms
     required after reset before config access (Kevin Xie)

   - Define PCIE_T_RRS_READY_MS for the generic 100ms required after
     reset before config access (probably should be unified with
     PCIE_RESET_CONFIG_DEVICE_WAIT_MS) (Damien Le Moal)

  Resource management:

   - Rename find_resource() to find_resource_space() to be more
     descriptive (Ilpo Järvinen)

   - Export find_resource_space() for use by PCI core, which needs to
     learn whether there is available space for a bridge window (Ilpo
     Järvinen)

   - Prevent double counting of resources so window size doesn't grow on
     each remove/rescan cycle (Ilpo Järvinen)

   - Relax bridge window sizing algorithm so a device doesn't break
     simply because it was removed and rescanned (Ilpo Järvinen)

   - Evaluate the ACPI PRESERVE_BOOT_CONFIG _DSM in
     pci_register_host_bridge() (not acpi_pci_root_create()) so we can
     unify it with similar DT functionality (Vidya Sagar)

   - Extend use of DT "linux,pci-probe-only" property so it works
     per-host bridge as well as globally (Vidya Sagar)

   - Unify support for ACPI PRESERVE_BOOT_CONFIG _DSM and the DT
     "linux,pci-probe-only" property in pci_preserve_config() (Vidya
     Sagar)

  Driver binding:

   - Add devres infrastructure for managed request and map of partial
     BAR resources (Philipp Stanner)

   - Deprecate pcim_iomap_table() because uses like
     "pcim_iomap_table()[0]" have no good way to return errors (Philipp
     Stanner)

   - Add an always-managed pcim_request_region() for use instead of
     pci_request_region() and similar, which are sometimes managed
     depending on whether pcim_enable_device() has been called
     previously (Philipp Stanner)

   - Reimplement pcim_set_mwi() so it doesn't need to keep store MWI
     state (Philipp Stanner)

   - Add pcim_intx() for use instead of pci_intx(), which is sometimes
     managed depending on whether pcim_enable_device() has been called
     previously (Philipp Stanner)

   - Add managed pcim_iomap_range() to allow mapping of a partial BAR
     (Philipp Stanner)

   - Fix a devres mapping leak in drm/vboxvideo (Philipp Stanner)

  Error handling:

   - Add missing bridge locking in device reset path and add a warning
     for other possible lock issues (Dan Williams)

   - Fix use-after-free on concurrent DPC and hot-removal (Lukas Wunner)

  Power management:

   - Disable AER and DPC during suspend to avoid spurious wakeups if
     they share an interrupt with PME (Kai-Heng Feng)

  PCIe native device hotplug:

   - Detect if a device was removed or replaced during system sleep so
     we don't assume a new device is the one that used to be there
     (Lukas Wunner)

  Virtualization:

   - Add an ACS quirk for Broadcom BCM5760X multi-function NIC; it
     prevents transactions between functions even though it doesn't
     advertise ACS, so the functions can be attached individually via
     VFIO (Ajit Khaparde)

  Peer-to-peer DMA:

   - Add a "pci=config_acs=" kernel command-line parameter to relax
     default ACS settings to enable additional peer-to-peer
     configurations. Requires expert knowledge of topology and ACS
     operation (Vidya Sagar)

  Endpoint framework:

   - Remove unused struct pci_epf_group.type_group (Christophe JAILLET)

   - Fix error handling in vpci_scan_bus() and epf_ntb_epc_cleanup()
     (Dan Carpenter)

   - Make struct pci_epc_class constant (Greg Kroah-Hartman)

   - Remove unused pci_endpoint_test_bar_{readl,writel} functions
     (Jiapeng Chong)

   - Rename "BME" to "Bus Master Enable" (Manivannan Sadhasivam)

   - Rename struct pci_epc_event_ops.core_init() callback to epc_init()
     (Manivannan Sadhasivam)

   - Move DMA init to MHI .epc_init() callback for uniformity
     (Manivannan Sadhasivam)

   - Cancel EPF test delayed work when link goes down (Manivannan
     Sadhasivam)

   - Add struct pci_epc_event_ops.epc_deinit() callback for cleanup
     needed on fundamental reset (Manivannan Sadhasivam)

   - Add 64KB alignment to endpoint test to support Rockchip rk3588
     (Niklas Cassel)

   - Optimize endpoint test by using memcpy() instead of readl() (Niklas
     Cassel)

  Device tree bindings:

   - Add generic "ats-supported" property to advertise that a PCIe Root
     Complex supports ATS (Jean-Philippe Brucker)

  Amazon Annapurna Labs PCIe controller driver:

   - Validate IORESOURCE_BUS presence to avoid NULL pointer dereference
     (Aleksandr Mishin)

  Axis ARTPEC-6 PCIe controller driver:

   - Rename .cpu_addr_fixup() parameter to reflect that it is a PCI
     address, not a CPU address (Niklas Cassel)

  Freescale i.MX6 PCIe controller driver:

   - Convert to agnostic GPIO API (Andy Shevchenko)

  Freescale Layerscape PCIe controller driver:

   - Make struct mobiveil_rp_ops constant (Christophe JAILLET)

   - Use new generic dw_pcie_ep_linkdown() to handle link-down events
     (Manivannan Sadhasivam)

  HiSilicon Kirin PCIe controller driver:

   - Convert to agnostic GPIO API (Andy Shevchenko)

   - Use _scoped() iterator for OF children to ensure refcounts are
     decremented at loop exit (Javier Carrasco)

  Intel VMD host bridge driver:

   - Create sysfs "domain" symlink before downstream devices are exposed
     to userspace by pci_bus_add_devices() (Jiwei Sun)

  Loongson PCIe controller driver:

   - Enable MSI when LS7A is used with new CPUs that have integrated
     PCIe Root Complex, e.g., Loongson-3C6000, so downstream devices can
     use MSI (Huacai Chen)

  Microchip AXI PolarFlare PCIe controller driver:

   - Move pcie-microchip-host.c to a new PLDA directory (Minda Chen)

   - Factor PLDA generic items out to a common
     plda,xpressrich3-axi-common.yaml binding (Minda Chen)

   - Factor PLDA generic data structures and code out to shared
     pcie-plda.h, pcie-plda-host.c (Minda Chen)

   - Add PLDA generic interrupt handling with a .request_event_irq()
     callback for vendor-specific events (Minda Chen)

   - Add PLDA generic host init/deinit and map bus functions for use by
     vendor-specific drivers (Minda Chen)

   - Rework to use PLDA core (Minda Chen)

  Microsoft Hyper-V host bridge driver:

   - Return zero, not garbage, when reading PCI_INTERRUPT_PIN (Wei Liu)

  NVIDIA Tegra194 PCIe controller driver:

   - Remove unused struct tegra_pcie_soc (Dr. David Alan Gilbert)

   - Set 64KB inbound ATU alignment restriction (Jon Hunter)

  Qualcomm PCIe controller driver:

   - Make the MHI reg region mandatory for X1E80100, since all PCIe
     controllers have it (Abel Vesa)

   - Prevent use of uninitialized data and possible error pointer
     dereference (Dan Carpenter)

   - Return error, not success, if dev_pm_opp_find_freq_floor() fails
     (Dan Carpenter)

   - Add Operating Performance Points (OPP) support to scale performance
     state based on aggregate link bandwidth to improve SoC power
     efficiency (Krishna chaitanya chundru)

   - Vote for the CPU-PCIe ICC (interconnect) path to ensure it stays
     active even if other drivers don't vote for it (Krishna chaitanya
     chundru)

   - Use devm_clk_bulk_get_all() to get all the clocks from DT to avoid
     writing out all the clock names (Manivannan Sadhasivam)

   - Add DT binding and driver support for the SA8775P SoC (Mrinmay
     Sarkar)

   - Add HDMA support for the SA8775P SoC (Mrinmay Sarkar)

   - Override the SA8775P NO_SNOOP default to avoid possible memory
     corruption (Mrinmay Sarkar)

   - Make sure resources are disabled during PERST# assertion, even if
     the link is already disabled (Manivannan Sadhasivam)

   - Use new generic dw_pcie_ep_linkdown() to handle link-down events
     (Manivannan Sadhasivam)

   - Add DT and endpoint driver support for the SA8775P SoC (Mrinmay
     Sarkar)

   - Add Hyper DMA (HDMA) support for the SA8775P SoC and enable it in
     the EPF MHI driver (Mrinmay Sarkar)

   - Set PCIE_PARF_NO_SNOOP_OVERIDE to override the default NO_SNOOP
     attribute on the SA8775P SoC (both Root Complex and Endpoint mode)
     to avoid possible memory corruption (Mrinmay Sarkar)

  Renesas R-Car PCIe controller driver:

   - Demote WARN() to dev_warn_ratelimited() in rcar_pcie_wakeup() to
     avoid unnecessary backtrace (Marek Vasut)

   - Add DT and driver support for R-Car V4H (R8A779G0) host and
     endpoint. This requires separate proprietary firmware (Yoshihiro
     Shimoda)

  Rockchip PCIe controller driver:

   - Assert PERST# for 100ms after power is stable (Damien Le Moal)

   - Wait PCIE_T_RRS_READY_MS (100ms) after reset before starting
     configuration (Damien Le Moal)

   - Use GPIOD_OUT_LOW flag while requesting ep_gpio to fix a firmware
     crash on Qcom-based modems with Rockpro64 board (Manivannan
     Sadhasivam)

  Rockchip DesignWare PCIe controller driver:

   - Factor common parts of rockchip-dw-pcie DT binding to be shared by
     Root Complex and Endpoint mode (Niklas Cassel)

   - Add missing INTx signals to common DT binding (Niklas Cassel)

   - Add eDMA items to DT binding for Endpoint controller (Niklas
     Cassel)

   - Fix initial dw-rockchip PERST# GPIO value to prevent unnecessary
     short assert/deassert that causes issues with some WLAN controllers
     (Niklas Cassel)

   - Refactor dw-rockchip and add support for Endpoint mode (Niklas
     Cassel)

   - Call pci_epc_init_notify() and drop dw_pcie_ep_init_notify()
     wrapper (Niklas Cassel)

   - Add error messages in .probe() error paths to improve user
     experience (Uwe Kleine-König)

  Samsung Exynos PCIe controller driver:

   - Use bulk clock APIs to simplify clock setup (Shradha Todi)

  StarFive PCIe controller driver:

   - Add DT binding and driver support for the StarFive JH7110
     PLDA-based PCIe controller (Minda Chen)

  Synopsys DesignWare PCIe controller driver:

   - Add generic support for sending PME_Turn_Off when system suspends
     (Frank Li)

   - Fix incorrect interpretation of iATU slot 0 after PERST#
     assert/deassert (Frank Li)

   - Use msleep() instead of usleep_range() while waiting for link
     (Konrad Dybcio)

   - Refactor dw_pcie_edma_find_chip() to enable adding support for
     Hyper DMA (HDMA) (Manivannan Sadhasivam)

   - Enable drivers to supply the eDMA channel count since some can't
     auto detect this (Manivannan Sadhasivam)

   - Call pci_epc_init_notify() and drop dw_pcie_ep_init_notify()
     wrapper (Manivannan Sadhasivam)

   - Pass the eDMA mapping format directly from drivers instead of
     maintaining a capability for it (Manivannan Sadhasivam)

   - Add generic dw_pcie_ep_linkdown() to notify EPF drivers about
     link-down events and restore non-sticky DWC registers lost on link
     down (Manivannan Sadhasivam)

   - Add vendor-specific "apb" reg name, interrupt names, INTx names to
     generic binding (Niklas Cassel)

   - Enforce DWC restriction that 64-bit BARs must start with an
     even-numbered BAR (Niklas Cassel)

   - Consolidate args of dw_pcie_prog_outbound_atu() into a structure
     (Yoshihiro Shimoda)

   - Add support for endpoints to send Message TLPs, e.g., for INTx
     emulation (Yoshihiro Shimoda)

  TI DRA7xx PCIe controller driver:

   - Rename .cpu_addr_fixup() parameter to reflect that it is a PCI
     address, not a CPU address (Niklas Cassel)

  TI Keystone PCIe controller driver:

   - Validate IORESOURCE_BUS presence to avoid NULL pointer dereference
     (Aleksandr Mishin)

   - Work around AM65x/DRA80xM Errata #i2037 that corrupts TLPs and
     causes processor hangs by limiting Max_Read_Request_Size (MRRS) and
     Max_Payload_Size (MPS) (Kishon Vijay Abraham I)

   - Leave BAR 0 disabled for AM654x to fix a regression caused by
     6ab15b5e70 ("PCI: dwc: keystone: Convert .scan_bus() callback to
     use add_bus"), which caused a 45-second boot delay (Siddharth
     Vadapalli)

  Xilinx Versal CPM PCIe controller driver:

   - Fix overlapping bridge registers and 32-bit BAR addresses in DT
     binding (Thippeswamy Havalige)

  MicroSemi Switchtec management driver:

   - Make struct switchtec_class constant (Greg Kroah-Hartman)

  Miscellaneous:

   - Remove unused struct acpi_handle_node (Dr. David Alan Gilbert)

   - Add missing MODULE_DESCRIPTION() macros (Jeff Johnson)"

* tag 'pci-v6.11-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci: (154 commits)
  PCI: loongson: Enable MSI in LS7A Root Complex
  PCI: Extend ACS configurability
  PCI: Add missing bridge lock to pci_bus_lock()
  drm/vboxvideo: fix mapping leaks
  PCI: Add managed pcim_iomap_range()
  PCI: Remove legacy pcim_release()
  PCI: Add managed pcim_intx()
  PCI: vmd: Create domain symlink before pci_bus_add_devices()
  PCI: qcom: Prevent use of uninitialized data in qcom_pcie_suspend_noirq()
  PCI: qcom: Prevent potential error pointer dereference
  PCI: qcom: Fix missing error code in qcom_pcie_probe()
  PCI: Give pcim_set_mwi() its own devres cleanup callback
  PCI: Move struct pci_devres.pinned bit to struct pci_dev
  PCI: Remove struct pci_devres.enabled status bit
  PCI: Document hybrid devres hazards
  PCI: Add managed pcim_request_region()
  PCI: Deprecate pcim_iomap_table(), pcim_iomap_regions_request_all()
  PCI: Add managed partial-BAR request and map infrastructure
  PCI: Add devres helpers for iomap table
  PCI: Add and use devres helper for bit masks
  ...
 2024-07-19 19:03:18 -07:00
Bastien Curutchet
45b8ee7182 i2c: mux: gpio: Add support for the 'settle-time-us' property 
Some hardware need some time to switch from a bus to another. This can
cause the first transfers following the selection of a bus to fail.
There is no way to configure this kind of waiting time in the driver.

Add support for the 'settle-time-us' device-tree property. When set,
the i2c_mux_gpio_select() applies a delay before returning, leaving
enough time to the hardware to switch to the new bus.

Signed-off-by: Bastien Curutchet <bastien.curutchet@bootlin.com>
Reviewed-by: Andi Shyti <andi.shyti@kernel.org>
Acked-by: Peter Rosin <peda@axentia.se>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
 2024-07-20 03:07:55 +02:00
Linus Torvalds
8e5c0abfa0 Input updates for v6.11-rc0 
- streamlined logic in input core for handling normal input handlers vs
   input filters
 
 - updates to input drivers to allocate memory with sizeof(*pointer)
   instead of sizeof(type)
 
 - change to ads7846 touchscreen driver to use hsync GPIO instead of
   requiring platform data with special method (which is not compatible
   with boards using device tree)
 
 - update to adc-joystick driver to handle inverted axes
 
 - cleanups in various drivers switching them to use the new "guard"
   and "__free()" facilities
 
 - changes to several drivers (adxl34x, atmel_mxt_ts, ati-remote2,
   omap-keypad, yealink) to stop creating driver-specific device
   attributes manually and use driver core facilities for this
 
 - update to Cypress PS/2 protocol driver to properly handle errors
   from the PS/2 transport as well as other cleanups
 
 - update to edt-ft5x06 driver to support ft5426 variant
 
 - update to ektf2127 driver to support ektf2232 variant
 
 - update to exc3000 driver to support EXC81W32 variant
 
 - update to imagis driver to support IST3038 variant
 
 - other assorted driver cleanups.
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Merge tag 'input-for-v6.11-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input

Pull input updates from Dmitry Torokhov:

 - streamlined logic in input core for handling normal input handlers vs
   input filters

 - updates to input drivers to allocate memory with sizeof(*pointer)
   instead of sizeof(type)

 - change to ads7846 touchscreen driver to use hsync GPIO instead of
   requiring platform data with special method (which is not compatible
   with boards using device tree)

 - update to adc-joystick driver to handle inverted axes

 - cleanups in various drivers switching them to use the new "guard" and
   "__free()" facilities

 - changes to several drivers (adxl34x, atmel_mxt_ts, ati-remote2,
   omap-keypad, yealink) to stop creating driver-specific device
   attributes manually and use driver core facilities for this

 - update to Cypress PS/2 protocol driver to properly handle errors from
   the PS/2 transport as well as other cleanups

 - update to edt-ft5x06 driver to support ft5426 variant

 - update to ektf2127 driver to support ektf2232 variant

 - update to exc3000 driver to support EXC81W32 variant

 - update to imagis driver to support IST3038 variant

 - other assorted driver cleanups.

* tag 'input-for-v6.11-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (71 commits)
  Input: yealink - simplify locking in sysfs attribute handling
  Input: yealink - use driver core to instantiate device attributes
  Input: ati-remote2 - use driver core to instantiate device attributes
  Input: omap-keypad - use driver core to instantiate device attributes
  Input: atmel_mxt_ts - use driver core to instantiate device attributes
  Input: exc3000 - add EXC81W32 support
  dt-bindings: input: touchscreen: exc3000: add EXC81W32
  Input: twl4030-pwrbutton - fix kernel-doc warning
  Input: himax_hx83112b - add support for HX83100A
  Input: himax_hx83112b - add himax_chip struct for multi-chip support
  Input: himax_hx83112b - implement MCU register reading
  Input: himax_hx83112b - use more descriptive register defines
  dt-bindings: input: touchscreen: himax,hx83112b: add HX83100A
  Input: do not check number of events in input_pass_values()
  Input: preallocate memory to hold event values
  Input: rearrange input_alloc_device() to prepare for preallocating of vals
  Input: simplify event handling logic
  Input: make events() method return number of events processed
  Input: make sure input handlers define only one processing method
  Input: evdev - remove ->event() method
  ...
 2024-07-19 16:51:39 -07:00
Linus Torvalds
ef035628c3 The I2C core gains documentation updates for the testunit, a cleanup 
regarding unneeded 'driver_data' and more sanity checks in the char
 device.
 
 For the host drivers, this release includes significant updates, with
 the primary change being the renaming from "master/slave" to
 "controller/target" to adhere to I2C v7 and SMBus 3.2 standards.
 
 New Support:
 
  - Added support for Intel Arrow Lake-H.
  - Added I2C support in the Arioha SoC by linking the Mediatek
    I2C controller.
 
 Cleanups:
 
  - Added the MODULE_DESCRIPTION() macro, resolving a modpost
    warning in the ALi 1563 Southbridge driver.
  - Constified the regmap_config declaration in the i2c-designware
    driver.
  - Improved the coding style in the Renesas R-Car driver by
    removing unnecessary semicolons after brackets.
 
 General improvements:
 
  - In the OMAP device, replaced NOIRQ_SYSTEM_SLEEP_PM_OPS with
    RUNTIME_PM_OPS to enable waking up the controller during
    suspend() before suspend_noirq() kicks in.
  - Improved logging in the Xilinx driver.
  - Added a warning (WARN()) in the Renesas R-Car driver for
    spurious interrupts.
 
 DTS Changes:
 
  - Removed address-cell and size-cell from the Atmel at91sam,
    nVidia Tegra 20, and Samsung S3c2410 devices.
  - Fixed Texas Instruments OMAP4 I2C controller to comply with
    the i2c-controller.yaml schema.
  - Improved indentation in DTS examples for several I2C devices.
  - Converted the NXP LPC1788 binding to the dt-schema.
  - Added documentation for the compatible string
    thead,th1520-i2c.
  - Added the "power-domains" property for the Meson I2C driver.
 
 AT24 EEPROM driver changes:
 
  - add support for two new Microchip models
  - document even more new models in DT bindings (those use fallback
    compatibles so no code changes)
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Merge tag 'i2c-for-6.11-rc1-try2' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux

Pull i2c fixes from Wolfram Sang:
 "The I2C core gains documentation updates for the testunit, a cleanup
  regarding unneeded 'driver_data' and more sanity checks in the char
  device.

  For the host drivers, this release includes significant updates, with
  the primary change being the renaming from "master/slave" to
  "controller/target" to adhere to I2C v7 and SMBus 3.2 standards.

  New Support:

   - Added support for Intel Arrow Lake-H
   - Added I2C support in the Arioha SoC by linking the Mediatek I2C
     controller

  Cleanups:

   - Added the MODULE_DESCRIPTION() macro, resolving a modpost warning
     in the ALi 1563 Southbridge driver.
   - Constified the regmap_config declaration in the i2c-designware
     driver.
   - Improved the coding style in the Renesas R-Car driver by removing
     unnecessary semicolons after brackets.

  General improvements:

   - In the OMAP device, replaced NOIRQ_SYSTEM_SLEEP_PM_OPS with
     RUNTIME_PM_OPS to enable waking up the controller during suspend()
     before suspend_noirq() kicks in.
   - Improved logging in the Xilinx driver.
   - Added a warning (WARN()) in the Renesas R-Car driver for spurious
     interrupts.

  DTS Changes:

   - Removed address-cell and size-cell from the Atmel at91sam, nVidia
     Tegra 20, and Samsung S3c2410 devices.
   - Fixed Texas Instruments OMAP4 I2C controller to comply with the
     i2c-controller.yaml schema.
   - Improved indentation in DTS examples for several I2C devices.
   - Converted the NXP LPC1788 binding to the dt-schema.
   - Added documentation for the compatible string thead,th1520-i2c.
   - Added the "power-domains" property for the Meson I2C driver.

  AT24 EEPROM driver changes:

   - add support for two new Microchip models
   - document even more new models in DT bindings (those use fallback
     compatibles so no code changes)"

* tag 'i2c-for-6.11-rc1-try2' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (87 commits)
  i2c: document new callbacks in i2c_algorithm
  dt-bindings: i2c: amlogic,meson6-i2c: add optional power-domains
  dt-bindings: i2c: at91: Add sama7d65 compatible string
  i2c: st: reword according to newest specification
  i2c: cpm: reword according to newest specification
  i2c: virtio: reword according to newest specification
  i2c: nvidia-gpu: reword according to newest specification
  i2c: viai2c: reword according to newest specification
  i2c: viperboard: reword according to newest specification
  i2c: uniphier: reword according to newest specification
  i2c: uniphier-f: reword according to newest specification
  i2c: tiny-usb: reword according to newest specification
  i2c: thunderx-pcidrv: reword according to newest specification
  i2c: tegra-bpmp: reword according to newest specification
  i2c: taos-evm: reword according to newest specification
  i2c: sun6i-p2wi: reword according to newest specification
  i2c: stm32f4: reword according to newest specification
  i2c: sprd: reword according to newest specification
  i2c: sis5595: reword according to newest specification
  i2c: rzv2m: reword according to newest specification
  ...
 2024-07-19 16:46:26 -07:00
Linus Torvalds
acc5965b9f Char/Misc and other driver changes for 6.11-rc1 
Here is the "big" set of char/misc and other driver subsystem changes
 for 6.11-rc1.  Nothing major in here, just loads of new drivers and
 updates.  Included in here are:
   - IIO api updates and new drivers added
   - wait_interruptable_timeout() api cleanups for some drivers
   - MODULE_DESCRIPTION() additions for loads of drivers
   - parport out-of-bounds fix
   - interconnect driver updates and additions
   - mhi driver updates and additions
   - w1 driver fixes
   - binder speedups and fixes
   - eeprom driver updates
   - coresight driver updates
   - counter driver update
   - new misc driver additions
   - other minor api updates
 
 All of these, EXCEPT for the final Kconfig build fix for 32bit systems,
 have been in linux-next for a while with no reported issues.  The
 Kconfig fixup went in 29 hours ago, so might have missed the latest
 linux-next, but was acked by everyone involved.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char / misc and other driver updates from Greg KH:
 "Here is the "big" set of char/misc and other driver subsystem changes
  for 6.11-rc1. Nothing major in here, just loads of new drivers and
  updates. Included in here are:

   - IIO api updates and new drivers added

   - wait_interruptable_timeout() api cleanups for some drivers

   - MODULE_DESCRIPTION() additions for loads of drivers

   - parport out-of-bounds fix

   - interconnect driver updates and additions

   - mhi driver updates and additions

   - w1 driver fixes

   - binder speedups and fixes

   - eeprom driver updates

   - coresight driver updates

   - counter driver update

   - new misc driver additions

   - other minor api updates

  All of these, EXCEPT for the final Kconfig build fix for 32bit
  systems, have been in linux-next for a while with no reported issues.
  The Kconfig fixup went in 29 hours ago, so might have missed the
  latest linux-next, but was acked by everyone involved"

* tag 'char-misc-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (330 commits)
  misc: Kconfig: exclude mrvl-cn10k-dpi compilation for 32-bit systems
  misc: delete Makefile.rej
  binder: fix hang of unregistered readers
  misc: Kconfig: add a new dependency for MARVELL_CN10K_DPI
  virtio: add missing MODULE_DESCRIPTION() macro
  agp: uninorth: add missing MODULE_DESCRIPTION() macro
  spmi: add missing MODULE_DESCRIPTION() macros
  dev/parport: fix the array out-of-bounds risk
  samples: configfs: add missing MODULE_DESCRIPTION() macro
  misc: mrvl-cn10k-dpi: add Octeon CN10K DPI administrative driver
  misc: keba: Fix missing AUXILIARY_BUS dependency
  slimbus: Fix struct and documentation alignment in stream.c
  MAINTAINERS: CC dri-devel list on Qualcomm FastRPC patches
  misc: fastrpc: use coherent pool for untranslated Compute Banks
  misc: fastrpc: support complete DMA pool access to the DSP
  misc: fastrpc: add missing MODULE_DESCRIPTION() macro
  misc: fastrpc: Add missing dev_err newlines
  misc: fastrpc: Use memdup_user()
  nvmem: core: Implement force_ro sysfs attribute
  nvmem: Use sysfs_emit() for type attribute
  ...
 2024-07-19 15:55:08 -07:00
Linus Torvalds
04d17331ca USB/Thunderbolt updates for 6.11-rc1 
Here is the big set of USB and Thunderbolt changes for 6.11-rc1.
 Nothing earth-shattering in here, just constant forward progress in
 adding support for new hardware and better debugging functionalities for
 thunderbolt devices and the subsystem.  Included in here are:
   - thunderbolt debugging update and driver additions
   - xhci driver updates
   - typec driver updates
   - kselftest device driver changes (acked by the relevant maintainers,
     depended on other changes in this tree.)
   - cdns3 driver updates
   - gadget driver updates
   - MODULE_DESCRIPTION() additions
   - dwc3 driver updates and fixes
 
 All of these have been in linux-next for a while with no reported
 issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB / Thunderbolt updates from Greg KH:
 "Here is the big set of USB and Thunderbolt changes for 6.11-rc1.

  Nothing earth-shattering in here, just constant forward progress in
  adding support for new hardware and better debugging functionalities
  for thunderbolt devices and the subsystem. Included in here are:

   - thunderbolt debugging update and driver additions

   - xhci driver updates

   - typec driver updates

   - kselftest device driver changes (acked by the relevant maintainers,
     depended on other changes in this tree.)

   - cdns3 driver updates

   - gadget driver updates

   - MODULE_DESCRIPTION() additions

   - dwc3 driver updates and fixes

  All of these have been in linux-next for a while with no reported
  issues"

* tag 'usb-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (112 commits)
  kselftest: devices: Add test to detect device error logs
  kselftest: Move ksft helper module to common directory
  kselftest: devices: Move discoverable devices test to subdirectory
  usb: gadget: f_uac2: fix non-newline-terminated function name
  USB: uas: Implement the new shutdown callback
  USB: core: add 'shutdown' callback to usb_driver
  usb: typec: Drop explicit initialization of struct i2c_device_id::driver_data to 0
  usb: dwc3: enable CCI support for AMD-xilinx DWC3 controller
  usb: dwc2: add support for other Lantiq SoCs
  usb: gadget: Use u16 types for 16-bit fields
  usb: gadget: midi2: Fix incorrect default MIDI2 protocol setup
  usb: dwc3: core: Check all ports when set phy suspend
  usb: typec: tcpci: add support to set connector orientation
  dt-bindings: usb: Convert fsl-usb to yaml
  usb: typec: ucsi: reorder operations in ucsi_run_command()
  usb: typec: ucsi: extract common code for command handling
  usb: typec: ucsi: inline ucsi_read_message_in
  usb: typec: ucsi: rework command execution functions
  usb: typec: ucsi: split read operation
  usb: typec: ucsi: simplify command sending API
  ...
 2024-07-19 15:37:48 -07:00
Linus Torvalds
aba9753c06 TTY/Serial updates for 6.11-rc1 
Here is a small set of tty and serial driver updates for 6.11-rc1.  Not
 much happened this cycle, unlike the previous kernel release which had
 lots of "excitement" in this part of the kernel.  Included in here are
 the following changes:
   - dt binding updates for new platforms
   - 8250 driver updates
   - various small serial driver fixes and updates
   - printk/console naming and matching attempt #2 (was reverted for
     6.10-final, should be good to go this time around, acked by the
     relevant maintainers).
 
 All of these have been in linux-next for a while with no reported
 issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty / serial updates from Greg KH:
 "Here is a small set of tty and serial driver updates for 6.11-rc1. Not
  much happened this cycle, unlike the previous kernel release which had
  lots of "excitement" in this part of the kernel. Included in here are
  the following changes:

   - dt binding updates for new platforms

   - 8250 driver updates

   - various small serial driver fixes and updates

   - printk/console naming and matching attempt #2 (was reverted for
     6.10-final, should be good to go this time around, acked by the
     relevant maintainers).

  All of these have been in linux-next for a while with no reported
  issues"

* tag 'tty-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (22 commits)
  Documentation: kernel-parameters: Add DEVNAME:0.0 format for serial ports
  serial: core: Add serial_base_match_and_update_preferred_console()
  printk: Add match_devname_and_update_preferred_console()
  serial: sc16is7xx: hardware reset chip if reset-gpios is defined in DT
  dt-bindings: serial: sc16is7xx: add reset-gpios
  dt-bindings: serial: vt8500-uart: convert to json-schema
  serial: 8250_platform: Explicitly show we initialise ISA ports only once
  tty: add missing MODULE_DESCRIPTION() macros
  dt-bindings: serial: mediatek,uart: add MT7988
  serial: sh-sci: Add support for RZ/V2H(P) SoC
  dt-bindings: serial: Add documentation for Renesas RZ/V2H(P) (R9A09G057) SCIF support
  dt-bindings: serial: renesas,scif: Make 'interrupt-names' property as required
  dt-bindings: serial: renesas,scif: Validate 'interrupts' and 'interrupt-names'
  dt-bindings: serial: renesas,scif: Move ref for serial.yaml at the end
  riscv: dts: starfive: jh7110: Add the core reset and jh7110 compatible for uarts
  serial: 8250_dw: Use reset array API to get resets
  dt-bindings: serial: snps-dw-apb-uart: Add one more reset signal for StarFive JH7110 SoC
  serial: 8250: Extract platform driver
  serial: 8250: Extract RSA bits
  serial: imx: stop casting struct uart_port to struct imx_port
  ...
 2024-07-19 15:22:14 -07:00
Linus Torvalds
d7e78951a8 Notably this includes fixes for a s390 build breakage. 
Including fixes from netfilter.
 
 Current release - new code bugs:
 
   - eth: fbnic: fix s390 build.
 
   - eth: airoha: fix NULL pointer dereference in airoha_qdma_cleanup_rx_queue()
 
 Previous releases - regressions:
 
   - flow_dissector: use DEBUG_NET_WARN_ON_ONCE
 
   - ipv4: fix incorrect TOS in route get reply
 
   - dsa: fix chip-wide frame size config in some drivers
 
 Previous releases - always broken:
 
   - netfilter: nf_set_pipapo: fix initial map fill
 
   - eth: gve: fix XDP TX completion handling when counters overflow
 
 Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-6.11-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Pull networking fixes from Paolo Abeni:
 "Including fixes from netfilter.

  Notably this includes fixes for a s390 build breakage.

  Current release - new code bugs:

   - eth: fbnic: fix s390 build

   - eth: airoha: fix NULL pointer dereference in
     airoha_qdma_cleanup_rx_queue()

  Previous releases - regressions:

   - flow_dissector: use DEBUG_NET_WARN_ON_ONCE

   - ipv4: fix incorrect TOS in route get reply

   - dsa: fix chip-wide frame size config in some drivers

  Previous releases - always broken:

   - netfilter: nf_set_pipapo: fix initial map fill

   - eth: gve: fix XDP TX completion handling when counters overflow"

* tag 'net-6.11-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net:
  eth: fbnic: don't build the driver when skb has more than 21 frags
  net: dsa: b53: Limit chip-wide jumbo frame config to CPU ports
  net: dsa: mv88e6xxx: Limit chip-wide frame size config to CPU ports
  net: airoha: Fix NULL pointer dereference in airoha_qdma_cleanup_rx_queue()
  net: wwan: t7xx: add support for Dell DW5933e
  ipv4: Fix incorrect TOS in fibmatch route get reply
  ipv4: Fix incorrect TOS in route get reply
  net: flow_dissector: use DEBUG_NET_WARN_ON_ONCE
  driver core: auxiliary bus: Fix documentation of auxiliary_device
  net: airoha: fix error branch in airoha_dev_xmit and airoha_set_gdm_ports
  gve: Fix XDP TX completion handling when counters overflow
  ipvs: properly dereference pe in ip_vs_add_service
  selftests: netfilter: add test case for recent mismatch bug
  netfilter: nf_set_pipapo: fix initial map fill
  netfilter: ctnetlink: use helper function to calculate expect ID
  eth: fbnic: fix s390 build.
 2024-07-19 14:58:12 -07:00
Linus Torvalds
12cc3d5389 sound updates for 6.11-rc1 
Lots of changes in this cycle, but mostly for cleanups and
 refactoring.  Significant amount of changes are about DT schema
 conversions for ASoC at this time while we see other usual
 suspects, too.  Some highlights below:
 
 Core:
 - Re-introduction of PCM sync ID support API
 - MIDI2 time-base extension in ALSA sequencer API
 
 ASoC:
 - Syncing of features between simple-audio-card and the two
   audio-graph cards
 - Support for specifying the order of operations for components
   within cards to allow quirking for unusual systems
 - Lots of DT schema conversions
 - Continued SOF/Intel updates for topology, SoundWire, IPC3/4
 - New support for Asahi Kasei AK4619, Cirrus Logic CS530x, Everest
   Semiconductors ES8311, NXP i.MX95 and LPC32xx, Qualcomm LPASS
   v2.5 and WCD937x, Realtek RT1318 and RT1320 and Texas
   Instruments PCM5242
 
 HD-audio:
 - More quirks, Intel PantherLake support, senarytech codec support
 - Refactoring of Cirrus codec component-binding
 
 Others:
 - ALSA control kselftest improvements, and fixes for input value
   checks in various drivers
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Merge tag 'sound-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound updates from Takashi Iwai:
 "Lots of changes in this cycle, but mostly for cleanups and
  refactoring.

  Significant amount of changes are about DT schema conversions for ASoC
  at this time while we see other usual suspects, too.

  Some highlights below:

  Core:
   - Re-introduction of PCM sync ID support API
   - MIDI2 time-base extension in ALSA sequencer API

  ASoC:
   - Syncing of features between simple-audio-card and the two
     audio-graph cards
   - Support for specifying the order of operations for components
     within cards to allow quirking for unusual systems
   - Lots of DT schema conversions
   - Continued SOF/Intel updates for topology, SoundWire, IPC3/4
   - New support for Asahi Kasei AK4619, Cirrus Logic CS530x, Everest
     Semiconductors ES8311, NXP i.MX95 and LPC32xx, Qualcomm LPASS v2.5
     and WCD937x, Realtek RT1318 and RT1320 and Texas Instruments
     PCM5242

  HD-audio:
   - More quirks, Intel PantherLake support, senarytech codec support
   - Refactoring of Cirrus codec component-binding

  Others:
   - ALSA control kselftest improvements, and fixes for input value
     checks in various drivers"

* tag 'sound-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (349 commits)
  kselftest/alsa: Log the PCM ID in pcm-test
  kselftest/alsa: Use card name rather than number in test names
  ALSA: hda/realtek: Fix the speaker output on Samsung Galaxy Book Pro 360
  ALSA: hda/tas2781: Add new quirk for Lenovo Hera2 Laptop
  ALSA: seq: ump: Skip useless ports for static blocks
  ALSA: pcm_dmaengine: Don't synchronize DMA channel when DMA is paused
  ALSA: usb: Use BIT() for bit values
  ALSA: usb: Fix UBSAN warning in parse_audio_unit()
  ALSA: hda/realtek: Enable headset mic on Positivo SU C1400
  ASoC: tas2781: Add new Kontrol to set tas2563 digital Volume
  ASoC: codecs: wcd937x: Remove separate handling for vdd-buck supply
  ASoC: codecs: wcd937x: Remove the string compare in MIC BIAS widget settings
  ASoC: codecs: wcd937x-sdw: Fix Unbalanced pm_runtime_enable
  ASoC: dt-bindings: cirrus,cs42xx8: Convert to dtschema
  ASoC: cs530x: Remove bclk from private structure
  ASoC: cs530x: Calculate proper bclk rate using TDM
  ASoC: dt-bindings: cirrus,cs4270: Convert to dtschema
  firmware: cs_dsp: Rename fw_ver to wmfw_ver
  firmware: cs_dsp: Clarify wmfw format version log message
  firmware: cs_dsp: Make wmfw and bin filename arguments const char *
  ...
 2024-07-19 12:39:34 -07:00
Linus Torvalds
a4f9285520 This a large collection of clk driver updates and a handful of new SoC 
clk driver support. We have the usual Qualcomm clk drivers, along with
 clk drivers for the Sophgo and T-Head vendors, all to support some new
 SoCs.
 
 Nothing in particular stands out to me in the updates. There's the
 interconnect clk driver which exposes clks as interconnects, crossing
 subsystems. There's a bunch of janitorial things that are improving
 drivers in general like kmemdup_array() or fixing error paths. But
 overall the updates look normal to fix the description data which is
 usually the stuff that's wrong and/or untested.
 
 I really wanted to land a bunch of KUnit clk code that I've been working
 on whenever I get some free time but it turned into a pumpkin at the
 last minute so I dropped those patches. I'll let it soak in linux-next
 after the merge window closes. I have a suspicion that we're going to
 need to totally rework the clk framework to fix structural issues like
 locking, clk rate setting, and runtime PM usage. Having a bunch of unit
 tests for that will help make sure that all keeps working.
 
 Core:
  - Skip gate basic type KUnit tests on s390 due to lack of MMIO emulation
 
 New Drivers:
  - AP sub-system clock controller in the T-Head TH1520
  - Sophgo Sophon sg2042 clk driver
  - Qualcomm SM7150 camera, display and video clk drivers
  - Qualcomm QCM2290 GPU clk driver
  - Qualcomm QCS8386/QCS8084 NSS clk driver
  - Qualcomm SM8650 camera and video drivers
 
 Updates:
  - Add reset support to Airoha EN7581 clk driver
  - Add MODULE_DESCRIPTIONs to various clk drivers
  - Introduce helper logic to expose clock controllers as simple
    interconnect providers
  - Use the interconnect helper above on Qualcomm ipq9574
  - Add CLK_SET_RATE_PARENT to the remaining USB pipe clocks on Qualcomm
    X1Elite
  - Improve error handling in Qualcomm kpss-xcc driver
  - Mark Qualcomm SC8280XP LPASS clock controller regmap_config const
  - Export more clocks for Rockchip rk3128 peripherals
  - Convert Rockchip clk drivers to use kmemdup_array()
  - Drop CLK_NR_CLKS from Rockchip rk3128 and rk3188 binding headers
  - Make qcom_cc_really_probe() take a struct device to allow reuse in
    non-platform-drivers
  - Introduce prepare-only branch clock ops in the qcom clk driver to
    support clocks on buses that take locks
  - Describe parent/child relationship for Qualcomm SC7280 camera GDSCs
  - Support Qualcomm Huayra 2290 alpha PLL
  - Adjust the highest SDCC clock frequency on Qualcomm IPQ6018 to match
    HS200 support
  - Add missing PCIe PIPE clocks on Qualcomm IPQ9574
  - Fix various configurations and properties in the Qualcomm SA8775P,
    X1E80100 and SM7280 drivers
  - Park Qualcomm SM8350 GPU RCGs on XO while disabled
  - Remove unused CONFIG_QCOM_RPMCC Kconfig symbol
  - exynos-clkout: Remove usage of of_device_id table as .of_match_table,
    because the driver is instantiated as MFD cell, not as standalone platform
    driver.  Populated .of_match_table confused people few times to convert the
    code to device_get_match_data(), which broke the driver
  - Mark one Samsung UFS clock as critical, because having it off stops the
    system from shutdown
  - Use kmemdup_array() when applicable
  - Remove unused 'struct gates_data' from old sunxi driver library
  - Add GPADC clock and reset for Allwinner H616
  - Minor Amlogic S4 clock fixes
  - DT bindings Yaml conversion of the Amlogic AXG audio controller
  - Amlogic C3 clock controllers support
  - Amlogic clk flag added to skip init of already enabled PLLs and avoid relocking
  - Amlogic A1 DT bindings updates for system pll support
  - Add missing MODULE_DESCRIPTION where necessary
  - Remove obsolete clock DT binding header files
  - Add Battery Backup (VBATTB) and I2C clocks, resets, and power
    domains on Renesas RZ/G3S
  - Add audio clocks on Renesas R-Car V4M
  - Add video capture (ISPCS, CSI-2, VIN) clocks on Renesas R-Car V4M
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Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux

Pull clk updates from Stephen Boyd:
 "This a large collection of clk driver updates and a handful of new SoC
  clk driver support.

  We have the usual Qualcomm clk drivers, along with clk drivers for the
  Sophgo and T-Head vendors, all to support some new SoCs.

  Nothing in particular stands out to me in the updates. There's the
  interconnect clk driver which exposes clks as interconnects, crossing
  subsystems. There's a bunch of janitorial things that are improving
  drivers in general like kmemdup_array() or fixing error paths. But
  overall the updates look normal to fix the description data which is
  usually the stuff that's wrong and/or untested.

  Core:
   - Skip gate basic type KUnit tests on s390 due to lack of MMIO
     emulation

  New Drivers:
   - AP sub-system clock controller in the T-Head TH1520
   - Sophgo Sophon sg2042 clk driver
   - Qualcomm SM7150 camera, display and video clk drivers
   - Qualcomm QCM2290 GPU clk driver
   - Qualcomm QCS8386/QCS8084 NSS clk driver
   - Qualcomm SM8650 camera and video drivers

  Updates:
   - Add reset support to Airoha EN7581 clk driver
   - Add MODULE_DESCRIPTIONs to various clk drivers
   - Introduce helper logic to expose clock controllers as simple
     interconnect providers
   - Use the interconnect helper above on Qualcomm ipq9574
   - Add CLK_SET_RATE_PARENT to the remaining USB pipe clocks on
     Qualcomm X1Elite
   - Improve error handling in Qualcomm kpss-xcc driver
   - Mark Qualcomm SC8280XP LPASS clock controller regmap_config const
   - Export more clocks for Rockchip rk3128 peripherals
   - Convert Rockchip clk drivers to use kmemdup_array()
   - Drop CLK_NR_CLKS from Rockchip rk3128 and rk3188 binding headers
   - Make qcom_cc_really_probe() take a struct device to allow reuse in
     non-platform-drivers
   - Introduce prepare-only branch clock ops in the qcom clk driver to
     support clocks on buses that take locks
   - Describe parent/child relationship for Qualcomm SC7280 camera GDSCs
   - Support Qualcomm Huayra 2290 alpha PLL
   - Adjust the highest SDCC clock frequency on Qualcomm IPQ6018 to
     match HS200 support
   - Add missing PCIe PIPE clocks on Qualcomm IPQ9574
   - Fix various configurations and properties in the Qualcomm SA8775P,
     X1E80100 and SM7280 drivers
   - Park Qualcomm SM8350 GPU RCGs on XO while disabled
   - Remove unused CONFIG_QCOM_RPMCC Kconfig symbol
   - exynos-clkout: Remove usage of of_device_id table as
     .of_match_table, because the driver is instantiated as MFD cell,
     not as standalone platform driver. Populated .of_match_table
     confused people few times to convert the code to
     device_get_match_data(), which broke the driver
   - Mark one Samsung UFS clock as critical, because having it off stops
     the system from shutdown
   - Use kmemdup_array() when applicable
   - Remove unused 'struct gates_data' from old sunxi driver library
   - Add GPADC clock and reset for Allwinner H616
   - Minor Amlogic S4 clock fixes
   - DT bindings Yaml conversion of the Amlogic AXG audio controller
   - Amlogic C3 clock controllers support
   - Amlogic clk flag added to skip init of already enabled PLLs and
     avoid relocking
   - Amlogic A1 DT bindings updates for system pll support
   - Add missing MODULE_DESCRIPTION where necessary
   - Remove obsolete clock DT binding header files
   - Add Battery Backup (VBATTB) and I2C clocks, resets, and power
     domains on Renesas RZ/G3S
   - Add audio clocks on Renesas R-Car V4M
   - Add video capture (ISPCS, CSI-2, VIN) clocks on Renesas R-Car V4M"

* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (135 commits)
  clk: thead: Add support for T-Head TH1520 AP_SUBSYS clocks
  dt-bindings: clock: Document T-Head TH1520 AP_SUBSYS controller
  clk: sophgo: Avoid -Wsometimes-uninitialized in sg2042_clk_pll_set_rate()
  clk/sophgo: Using BUG() instead of unreachable() in mmux_get_parent_id()
  clk: mxs: Use clamp() in clk_ref_round_rate() and clk_ref_set_rate()
  clk: sunxi-ng r40: Constify struct regmap_config
  clk: en7523: fix rate divider for slic and spi clocks
  clk: lpc32xx: Constify struct regmap_config
  clk: xilinx: Constify struct regmap_config
  clk: en7523: Remove PCIe reset open drain configuration for EN7581
  clk: en7523: Remove pcie prepare/unpreare callbacks for EN7581 SoC
  clk: en7523: Add reset-controller support for EN7581 SoC
  dt-bindings: clock: airoha: Add reset support to EN7581 clock binding
  dt-bindings: clock: mediatek: Document reset cells for MT8188 sys
  clk: mediatek: mt8173-infracfg: Handle unallocated infracfg when module
  dt-bindings: clock: mediatek: add syscon compatible for mt7622 pciesys
  dt-bindings: clock: sprd,sc9860-clk: convert to YAML
  dt-bindings: clock: qoriq-clock: convert to yaml format
  clk: qcom: Park shared RCGs upon registration
  clk: qcom: ipq9574: Use icc-clk for enabling NoC related clocks
  ...
 2024-07-19 12:16:28 -07:00
Linus Torvalds
f4f92db439 virtio: features, fixes, cleanups 
Several new features here:
 
 - Virtio find vqs API has been reworked
   (required to fix the scalability issue we have with
    adminq, which I hope to merge later in the cycle)
 
 - vDPA driver for Marvell OCTEON
 
 - virtio fs performance improvement
 
 - mlx5 migration speedups
 
 Fixes, cleanups all over the place.
 
 Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost

Pull virtio updates from Michael Tsirkin:
 "Several new features here:

   - Virtio find vqs API has been reworked (required to fix the
     scalability issue we have with adminq, which I hope to merge later
     in the cycle)

   - vDPA driver for Marvell OCTEON

   - virtio fs performance improvement

   - mlx5 migration speedups

  Fixes, cleanups all over the place"

* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: (56 commits)
  virtio: rename virtio_find_vqs_info() to virtio_find_vqs()
  virtio: remove unused virtio_find_vqs() and virtio_find_vqs_ctx() helpers
  virtio: convert the rest virtio_find_vqs() users to virtio_find_vqs_info()
  virtio_balloon: convert to use virtio_find_vqs_info()
  virtiofs: convert to use virtio_find_vqs_info()
  scsi: virtio_scsi: convert to use virtio_find_vqs_info()
  virtio_net: convert to use virtio_find_vqs_info()
  virtio_crypto: convert to use virtio_find_vqs_info()
  virtio_console: convert to use virtio_find_vqs_info()
  virtio_blk: convert to use virtio_find_vqs_info()
  virtio: rename find_vqs_info() op to find_vqs()
  virtio: remove the original find_vqs() op
  virtio: call virtio_find_vqs_info() from virtio_find_single_vq() directly
  virtio: convert find_vqs() op implementations to find_vqs_info()
  virtio_pci: convert vp_*find_vqs() ops to find_vqs_info()
  virtio: introduce virtio_queue_info struct and find_vqs_info() config op
  virtio: make virtio_find_single_vq() call virtio_find_vqs()
  virtio: make virtio_find_vqs() call virtio_find_vqs_ctx()
  caif_virtio: use virtio_find_single_vq() for single virtqueue finding
  vdpa/mlx5: Don't enable non-active VQs in .set_vq_ready()
  ...
 2024-07-19 11:57:55 -07:00
Linus Torvalds
f66b07c561 VFIO updates for v6.11 
- Add support for 8-byte accesses when using read/write through the
    device regions.  This fills a gap for userspace drivers that might
    not be able to use access through mmap to perform native register
    width accesses. (Gerd Bayer)
 
  - Add missing MODULE_DESCRIPTION to vfio-mdev sample drivers and
    replace a non-standard MODULE_INFO usage. (Jeff Johnson)
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Merge tag 'vfio-v6.11-rc1' of https://github.com/awilliam/linux-vfio

Pull VFIO updates from Alex Williamson:

 - Add support for 8-byte accesses when using read/write through the
   device regions.  This fills a gap for userspace drivers that might
   not be able to use access through mmap to perform native register
   width accesses (Gerd Bayer)

 - Add missing MODULE_DESCRIPTION to vfio-mdev sample drivers and
   replace a non-standard MODULE_INFO usage (Jeff Johnson)

* tag 'vfio-v6.11-rc1' of https://github.com/awilliam/linux-vfio:
  vfio-mdev: add missing MODULE_DESCRIPTION() macros
  vfio/pci: Fix typo in macro to declare accessors
  vfio/pci: Support 8-byte PCI loads and stores
  vfio/pci: Extract duplicated code into macro
 2024-07-19 11:53:09 -07:00
Jason A. Donenfeld
13f75d9ecf random: note that RNDGETPOOL was removed in 2.6.9-rc2 
RNDGETPOOL was thankfully removed twenty years ago, but it's stuck
around in headers. Probably removing it from uapi headers isn't great in
case there are some weird users out there, but we should at least mark
this as having been removed, to save future readers the same goose chase
I just went on.

Link: https://lore.kernel.org/all/E1By1St-0001TS-Qj@thunk.org/
Link: https://lore.kernel.org/all/Pine.LNX.4.58.0409130937050.4094@ppc970.osdl.org/
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2024-07-19 20:22:48 +02:00
Jason A. Donenfeld
4ad10a5f5f random: introduce generic vDSO getrandom() implementation 
Provide a generic C vDSO getrandom() implementation, which operates on
an opaque state returned by vgetrandom_alloc() and produces random bytes
the same way as getrandom(). This has the following API signature:

  ssize_t vgetrandom(void *buffer, size_t len, unsigned int flags,
                     void *opaque_state, size_t opaque_len);

The return value and the first three arguments are the same as ordinary
getrandom(), while the last two arguments are a pointer to the opaque
allocated state and its size. Were all five arguments passed to the
getrandom() syscall, nothing different would happen, and the functions
would have the exact same behavior.

The actual vDSO RNG algorithm implemented is the same one implemented by
drivers/char/random.c, using the same fast-erasure techniques as that.
Should the in-kernel implementation change, so too will the vDSO one.

It requires an implementation of ChaCha20 that does not use any stack,
in order to maintain forward secrecy if a multi-threaded program forks
(though this does not account for a similar issue with SA_SIGINFO
copying registers to the stack), so this is left as an
architecture-specific fill-in. Stack-less ChaCha20 is an easy algorithm
to implement on a variety of architectures, so this shouldn't be too
onerous.

Initially, the state is keyless, and so the first call makes a
getrandom() syscall to generate that key, and then uses it for
subsequent calls. By keeping track of a generation counter, it knows
when its key is invalidated and it should fetch a new one using the
syscall. Later, more than just a generation counter might be used.

Since MADV_WIPEONFORK is set on the opaque state, the key and related
state is wiped during a fork(), so secrets don't roll over into new
processes, and the same state doesn't accidentally generate the same
random stream. The generation counter, as well, is always >0, so that
the 0 counter is a useful indication of a fork() or otherwise
uninitialized state.

If the kernel RNG is not yet initialized, then the vDSO always calls the
syscall, because that behavior cannot be emulated in userspace, but
fortunately that state is short lived and only during early boot. If it
has been initialized, then there is no need to inspect the `flags`
argument, because the behavior does not change post-initialization
regardless of the `flags` value.

Since the opaque state passed to it is mutated, vDSO getrandom() is not
reentrant, when used with the same opaque state, which libc should be
mindful of.

The function works over an opaque per-thread state of a particular size,
which must be marked VM_WIPEONFORK, VM_DONTDUMP, VM_NORESERVE, and
VM_DROPPABLE for proper operation. Over time, the nuances of these
allocations may change or grow or even differ based on architectural
features.

The opaque state passed to vDSO getrandom() must be allocated using the
mmap_flags and mmap_prot parameters provided by the vgetrandom_opaque_params
struct, which also contains the size of each state. That struct can be
obtained with a call to vgetrandom(NULL, 0, 0, &params, ~0UL). Then,
libc can call mmap(2) and slice up the returned array into a state per
each thread, while ensuring that no single state straddles a page
boundary. Libc is expected to allocate a chunk of these on first use,
and then dole them out to threads as they're created, allocating more
when needed.

vDSO getrandom() provides the ability for userspace to generate random
bytes quickly and safely, and is intended to be integrated into libc's
thread management. As an illustrative example, the introduced code in
the vdso_test_getrandom self test later in this series might be used to
do the same outside of libc. In a libc the various pthread-isms are
expected to be elided into libc internals.

Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2024-07-19 20:22:12 +02:00
Jason A. Donenfeld
9651fcedf7 mm: add MAP_DROPPABLE for designating always lazily freeable mappings 
The vDSO getrandom() implementation works with a buffer allocated with a
new system call that has certain requirements:

- It shouldn't be written to core dumps.
  * Easy: VM_DONTDUMP.
- It should be zeroed on fork.
  * Easy: VM_WIPEONFORK.

- It shouldn't be written to swap.
  * Uh-oh: mlock is rlimited.
  * Uh-oh: mlock isn't inherited by forks.

- It shouldn't reserve actual memory, but it also shouldn't crash when
  page faulting in memory if none is available
  * Uh-oh: VM_NORESERVE means segfaults.

It turns out that the vDSO getrandom() function has three really nice
characteristics that we can exploit to solve this problem:

1) Due to being wiped during fork(), the vDSO code is already robust to
   having the contents of the pages it reads zeroed out midway through
   the function's execution.

2) In the absolute worst case of whatever contingency we're coding for,
   we have the option to fallback to the getrandom() syscall, and
   everything is fine.

3) The buffers the function uses are only ever useful for a maximum of
   60 seconds -- a sort of cache, rather than a long term allocation.

These characteristics mean that we can introduce VM_DROPPABLE, which
has the following semantics:

a) It never is written out to swap.
b) Under memory pressure, mm can just drop the pages (so that they're
   zero when read back again).
c) It is inherited by fork.
d) It doesn't count against the mlock budget, since nothing is locked.
e) If there's not enough memory to service a page fault, it's not fatal,
   and no signal is sent.

This way, allocations used by vDSO getrandom() can use:

    VM_DROPPABLE | VM_DONTDUMP | VM_WIPEONFORK | VM_NORESERVE

And there will be no problem with OOMing, crashing on overcommitment,
using memory when not in use, not wiping on fork(), coredumps, or
writing out to swap.

In order to let vDSO getrandom() use this, expose these via mmap(2) as
MAP_DROPPABLE.

Note that this involves removing the MADV_FREE special case from
sort_folio(), which according to Yu Zhao is unnecessary and will simply
result in an extra call to shrink_folio_list() in the worst case. The
chunk removed reenables the swapbacked flag, which we don't want for
VM_DROPPABLE, and we can't conditionalize it here because there isn't a
vma reference available.

Finally, the provided self test ensures that this is working as desired.

Cc: linux-mm@kvack.org
Acked-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2024-07-19 20:22:12 +02:00
Linus Torvalds
4305ca0087 SCSI misc on 20240718 
Updates to the usual drivers (ufs, lpfc, qla2xxx, mpi3mr) plus some
 misc small fixes. The only core changes are to both bsg and scsi to
 pass in the device instead of setting it afterwards as q->queuedata,
 so no functional change.
 
 Signed-off-by: James E.J. Bottomley <James.Bottomley@HansenPartnership.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI updates from James Bottomley:
 "Updates to the usual drivers (ufs, lpfc, qla2xxx, mpi3mr) plus some
  misc small fixes.

  The only core changes are to both bsg and scsi to pass in the device
  instead of setting it afterwards as q->queuedata, so no functional
  change"

* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (69 commits)
  scsi: aha152x: Use DECLARE_COMPLETION_ONSTACK for non-constant completion
  scsi: qla2xxx: Convert comma to semicolon
  scsi: qla2xxx: Update version to 10.02.09.300-k
  scsi: qla2xxx: Use QP lock to search for bsg
  scsi: qla2xxx: Reduce fabric scan duplicate code
  scsi: qla2xxx: Fix optrom version displayed in FDMI
  scsi: qla2xxx: During vport delete send async logout explicitly
  scsi: qla2xxx: Complete command early within lock
  scsi: qla2xxx: Fix flash read failure
  scsi: qla2xxx: Return ENOBUFS if sg_cnt is more than one for ELS cmds
  scsi: qla2xxx: Fix for possible memory corruption
  scsi: qla2xxx: validate nvme_local_port correctly
  scsi: qla2xxx: Unable to act on RSCN for port online
  scsi: ufs: exynos: Add support for Flash Memory Protector (FMP)
  scsi: ufs: core: Add UFSHCD_QUIRK_KEYS_IN_PRDT
  scsi: ufs: core: Add fill_crypto_prdt variant op
  scsi: ufs: core: Add UFSHCD_QUIRK_BROKEN_CRYPTO_ENABLE
  scsi: ufs: core: fold ufshcd_clear_keyslot() into its caller
  scsi: ufs: core: Add UFSHCD_QUIRK_CUSTOM_CRYPTO_PROFILE
  scsi: ufs: mcq: Make .get_hba_mac() optional
  ...
 2024-07-19 10:56:58 -07:00
Linus Torvalds
661fb4e68c - Optimize processing of flush bios in the dm-linear and dm-stripe 
targets
 
 - Dm-io cleansups and refactoring
 
 - Remove unused 'struct thunk' in dm-cache
 
 - Handle minor device numbers > 255 in dm-init
 
 - Dm-verity refactoring & enabling platform keyring
 
 - Fix warning in dm-raid
 
 - Improve dm-crypt performance - split bios to smaller pieces, so that
   They could be processed concurrently
 
 - Stop using blk_limits_io_{min,opt}
 
 - Dm-vdo cleanup and refactoring
 
 - Remove max_write_zeroes_granularity and max_secure_erase_granularity
 
 - Dm-multipath cleanup & refactoring
 
 - Add dm-crypt and dm-integrity support for non-power-of-2 sector size
 
 - Fix reshape in dm-raid
 
 - Make dm_block_validator const
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Merge tag 'for-6.11/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm

Pull device mapper updates from Mikulas Patocka:

 - Optimize processing of flush bios in the dm-linear and dm-stripe
   targets

 - Dm-io cleansups and refactoring

 - Remove unused 'struct thunk' in dm-cache

 - Handle minor device numbers > 255 in dm-init

 - Dm-verity refactoring & enabling platform keyring

 - Fix warning in dm-raid

 - Improve dm-crypt performance - split bios to smaller pieces, so that
   They could be processed concurrently

 - Stop using blk_limits_io_{min,opt}

 - Dm-vdo cleanup and refactoring

 - Remove max_write_zeroes_granularity and max_secure_erase_granularity

 - Dm-multipath cleanup & refactoring

 - Add dm-crypt and dm-integrity support for non-power-of-2 sector size

 - Fix reshape in dm-raid

 - Make dm_block_validator const

* tag 'for-6.11/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm: (33 commits)
  dm vdo: fix a minor formatting issue in vdo.rst
  dm vdo int-map: fix kerneldoc formatting
  dm vdo repair: add missing kerneldoc fields
  dm: Constify struct dm_block_validator
  dm-integrity: introduce the Inline mode
  dm: introduce the target flag mempool_needs_integrity
  dm raid: fix stripes adding reshape size issues
  dm raid: move _get_reshape_sectors() as prerequisite to fixing reshape size issues
  dm-crypt: support for per-sector NVMe metadata
  dm mpath: don't call dm_get_device in multipath_message
  dm: factor out helper function from dm_get_device
  dm-verity: fix dm_is_verity_target() when dm-verity is builtin
  dm: Remove max_secure_erase_granularity
  dm: Remove max_write_zeroes_granularity
  dm vdo indexer: use swap() instead of open coding it
  dm vdo: remove unused struct 'uds_attribute'
  dm: stop using blk_limits_io_{min,opt}
  dm-crypt: limit the size of encryption requests
  dm verity: add support for signature verification with platform keyring
  dm-raid: Fix WARN_ON_ONCE check for sync_thread in raid_resume
  ...
 2024-07-19 10:48:44 -07:00
Linus Torvalds
afd81d914f dma-mapping updates for Linux 6.11 
- reduce duplicate swiotlb pool lookups (Michael Kelley)
  - minor small fixes (Yicong Yang, Yang Li)
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Merge tag 'dma-mapping-6.11-2024-07-19' of git://git.infradead.org/users/hch/dma-mapping

Pull dma-mapping updates from Christoph Hellwig:

 - reduce duplicate swiotlb pool lookups (Michael Kelley)

 - minor small fixes (Yicong Yang, Yang Li)

* tag 'dma-mapping-6.11-2024-07-19' of git://git.infradead.org/users/hch/dma-mapping:
  swiotlb: fix kernel-doc description for swiotlb_del_transient
  swiotlb: reduce swiotlb pool lookups
  dma-mapping: benchmark: Don't starve others when doing the test
 2024-07-19 10:20:26 -07:00
Linus Torvalds
ebcfbf02ab IOMMU Updates for Linux v6.11 
- Core:
   * Support for the "ats-supported" device-tree property.
 
   * Removal of the 'ops' field from 'struct iommu_fwspec'.
 
   * Introduction of iommu_paging_domain_alloc() and partial conversion
     of existing users.
 
   * Introduce 'struct iommu_attach_handle' and provide corresponding
     IOMMU interfaces which will be used by the IOMMUFD subsystem.
 
   * Remove stale documentation.
 
   * Add missing MODULE_DESCRIPTION() macro.
 
   * Misc cleanups.
 
 - Allwinner Sun50i:
   * Ensure bypass mode is disabled on H616 SoCs.
 
   * Ensure page-tables are allocated below 4GiB for the 32-bit
     page-table walker.
 
   * Add new device-tree compatible strings.
 
 - AMD Vi:
   * Use try_cmpxchg64() instead of cmpxchg64() when updating pte.
 
 - Arm SMMUv2:
   * Print much more useful information on context faults.
 
   * Fix Qualcomm TBU probing when CONFIG_ARM_SMMU_QCOM_DEBUG=n.
 
   * Add new Qualcomm device-tree bindings.
 
 - Arm SMMUv3:
   * Support for hardware update of access/dirty bits and reporting via
     IOMMUFD.
 
   * More driver rework from Jason, this time updating the PASID/SVA support
     to prepare for full IOMMUFD support.
 
   * Add missing MODULE_DESCRIPTION() macro.
 
   * Minor fixes and cleanups.
 
 - NVIDIA Tegra:
 
   * Fix for benign fwspec initialisation issue exposed by rework on the
     core branch.
 
 - Intel VT-d:
 
   * Use try_cmpxchg64() instead of cmpxchg64() when updating pte.
 
   * Use READ_ONCE() to read volatile descriptor status.
 
   * Remove support for handling Execute-Requested requests.
 
   * Avoid calling iommu_domain_alloc().
 
   * Minor fixes and refactoring.
 
 - Qualcomm MSM:
 
   * Updates to the device-tree bindings.
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Merge tag 'iommu-updates-v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux

Pull iommu updates from Will Deacon:
 "Core:

   - Support for the "ats-supported" device-tree property

   - Removal of the 'ops' field from 'struct iommu_fwspec'

   - Introduction of iommu_paging_domain_alloc() and partial conversion
     of existing users

   - Introduce 'struct iommu_attach_handle' and provide corresponding
     IOMMU interfaces which will be used by the IOMMUFD subsystem

   - Remove stale documentation

   - Add missing MODULE_DESCRIPTION() macro

   - Misc cleanups

  Allwinner Sun50i:

   - Ensure bypass mode is disabled on H616 SoCs

   - Ensure page-tables are allocated below 4GiB for the 32-bit
     page-table walker

   - Add new device-tree compatible strings

  AMD Vi:

   - Use try_cmpxchg64() instead of cmpxchg64() when updating pte

  Arm SMMUv2:

   - Print much more useful information on context faults

   - Fix Qualcomm TBU probing when CONFIG_ARM_SMMU_QCOM_DEBUG=n

   - Add new Qualcomm device-tree bindings

  Arm SMMUv3:

   - Support for hardware update of access/dirty bits and reporting via
     IOMMUFD

   - More driver rework from Jason, this time updating the PASID/SVA
     support to prepare for full IOMMUFD support

   - Add missing MODULE_DESCRIPTION() macro

   - Minor fixes and cleanups

  NVIDIA Tegra:

   - Fix for benign fwspec initialisation issue exposed by rework on the
     core branch

  Intel VT-d:

   - Use try_cmpxchg64() instead of cmpxchg64() when updating pte

   - Use READ_ONCE() to read volatile descriptor status

   - Remove support for handling Execute-Requested requests

   - Avoid calling iommu_domain_alloc()

   - Minor fixes and refactoring

  Qualcomm MSM:

   - Updates to the device-tree bindings"

* tag 'iommu-updates-v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux: (72 commits)
  iommu/tegra-smmu: Pass correct fwnode to iommu_fwspec_init()
  iommu/vt-d: Fix identity map bounds in si_domain_init()
  iommu: Move IOMMU_DIRTY_NO_CLEAR define
  dt-bindings: iommu: Convert msm,iommu-v0 to yaml
  iommu/vt-d: Fix aligned pages in calculate_psi_aligned_address()
  iommu/vt-d: Limit max address mask to MAX_AGAW_PFN_WIDTH
  docs: iommu: Remove outdated Documentation/userspace-api/iommu.rst
  arm64: dts: fvp: Enable PCIe ATS for Base RevC FVP
  iommu/of: Support ats-supported device-tree property
  dt-bindings: PCI: generic: Add ats-supported property
  iommu: Remove iommu_fwspec ops
  OF: Simplify of_iommu_configure()
  ACPI: Retire acpi_iommu_fwspec_ops()
  iommu: Resolve fwspec ops automatically
  iommu/mediatek-v1: Clean up redundant fwspec checks
  RDMA/usnic: Use iommu_paging_domain_alloc()
  wifi: ath11k: Use iommu_paging_domain_alloc()
  wifi: ath10k: Use iommu_paging_domain_alloc()
  drm/msm: Use iommu_paging_domain_alloc()
  vhost-vdpa: Use iommu_paging_domain_alloc()
  ...
 2024-07-19 09:59:58 -07:00
Linus Torvalds
3d51520954 RDMA v6.11 merge window 
Usual collection of small improvements and fixes:
 
 - Bug fixes and minor improvments in efa, irdma, mlx4, mlx5, rxe, hf1,
   qib, ocrdma
 
 - bnxt_re support for MSN, which is a new retransmit logic
 
 - Initial mana support for RC qps
 
 - Use after free bug and cleanups in iwcm
 
 - Reduce resource usage in mlx5 when RDMA verbs features are not used
 
 - New verb to drain shared recieve queues, similar to normal recieve
   queues. This is necessary to allow ULPs a clean shutdown. Used in the
   iscsi rdma target
 
 - mlx5 support for more than 16 bits of doorbell indexes
 
 - Doorbell moderation support for bnxt_re
 
 - IB multi-plane support for mlx5
 
 - New EFA adaptor PCI IDs
 
 - RDMA_NAME_ASSIGN_TYPE_USER to hint to userspace that it shouldn't rename
   the device
 
 - A collection of hns bugs
 
 - Fix long standing bug in bnxt_re with incorrect endian handling of
   immediate data
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma

Pull rdma updates from Jason Gunthorpe:
 "Usual collection of small improvements and fixes:

   - Bug fixes and minor improvments in efa, irdma, mlx4, mlx5, rxe,
     hf1, qib, ocrdma

   - bnxt_re support for MSN, which is a new retransmit logic

   - Initial mana support for RC qps

   - Use after free bug and cleanups in iwcm

   - Reduce resource usage in mlx5 when RDMA verbs features are not used

   - New verb to drain shared recieve queues, similar to normal recieve
     queues. This is necessary to allow ULPs a clean shutdown. Used in
     the iscsi rdma target

   - mlx5 support for more than 16 bits of doorbell indexes

   - Doorbell moderation support for bnxt_re

   - IB multi-plane support for mlx5

   - New EFA adaptor PCI IDs

   - RDMA_NAME_ASSIGN_TYPE_USER to hint to userspace that it shouldn't
     rename the device

   - A collection of hns bugs

   - Fix long standing bug in bnxt_re with incorrect endian handling of
     immediate data"

* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: (65 commits)
  IB/hfi1: Constify struct flag_table
  RDMA/mana_ib: Set correct device into ib
  bnxt_re: Fix imm_data endianness
  RDMA: Fix netdev tracker in ib_device_set_netdev
  RDMA/hns: Fix mbx timing out before CMD execution is completed
  RDMA/hns: Fix insufficient extend DB for VFs.
  RDMA/hns: Fix undifined behavior caused by invalid max_sge
  RDMA/hns: Fix shift-out-bounds when max_inline_data is 0
  RDMA/hns: Fix missing pagesize and alignment check in FRMR
  RDMA/hns: Fix unmatch exception handling when init eq table fails
  RDMA/hns: Fix soft lockup under heavy CEQE load
  RDMA/hns: Check atomic wr length
  RDMA/ocrdma: Don't inline statistics functions
  RDMA/core: Introduce "name_assign_type" for an IB device
  RDMA/qib: Fix truncation compilation warnings in qib_verbs.c
  RDMA/qib: Fix truncation compilation warnings in qib_init.c
  RDMA/efa: Add EFA 0xefa3 PCI ID
  RDMA/mlx5: Support per-plane port IB counters by querying PPCNT register
  net/mlx5: mlx5_ifc update for accessing ppcnt register of plane ports
  RDMA/mlx5: Add plane index support when querying PTYS registers
  ...
 2024-07-19 09:51:33 -07:00
Linus Torvalds
ef7c8f2b1f iommufd for 6.11 merge window 
Major changes:
 
 - The iova_bitmap logic for efficiently reporting dirty pages back to
   userspace has a few more tricky corner case bugs that have been resolved
   and backed with new tests. The revised version has simpler logic.
 
 - Shared branch with iommu for handle support when doing domain
   attach. Handles allow the domain owner to include additional private data
   on a per-device basis.
 
 - IO Page Fault Reporting to userspace via iommufd. Page faults can be
   generated on fault capable HWPTs when a translation is not present.
   Routing them to userspace would allow a VMM to be able to virtualize them
   into an emulated vIOMMU. This is the next step to fully enabling vSVA
   support.
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Merge tag 'for-linus-iommufd' of git://git.kernel.org/pub/scm/linux/kernel/git/jgg/iommufd

Pull iommufd updates from Jason Gunthorpe:

 - The iova_bitmap logic for efficiently reporting dirty pages back to
   userspace has a few more tricky corner case bugs that have been
   resolved and backed with new tests.

   The revised version has simpler logic.

 - Shared branch with iommu for handle support when doing domain attach.

   Handles allow the domain owner to include additional private data on
   a per-device basis.

 - IO Page Fault Reporting to userspace via iommufd. Page faults can be
   generated on fault capable HWPTs when a translation is not present.

   Routing them to userspace would allow a VMM to be able to virtualize
   them into an emulated vIOMMU. This is the next step to fully enabling
   vSVA support.

* tag 'for-linus-iommufd' of git://git.kernel.org/pub/scm/linux/kernel/git/jgg/iommufd: (26 commits)
  iommufd: Put constants for all the uAPI enums
  iommufd: Fix error pointer checking
  iommufd: Add check on user response code
  iommufd: Remove IOMMUFD_PAGE_RESP_FAILURE
  iommufd: Require drivers to supply the cache_invalidate_user ops
  iommufd/selftest: Add coverage for IOPF test
  iommufd/selftest: Add IOPF support for mock device
  iommufd: Associate fault object with iommufd_hw_pgtable
  iommufd: Fault-capable hwpt attach/detach/replace
  iommufd: Add iommufd fault object
  iommufd: Add fault and response message definitions
  iommu: Extend domain attach group with handle support
  iommu: Add attach handle to struct iopf_group
  iommu: Remove sva handle list
  iommu: Introduce domain attachment handle
  iommufd/iova_bitmap: Remove iterator logic
  iommufd/iova_bitmap: Dynamic pinning on iova_bitmap_set()
  iommufd/iova_bitmap: Consolidate iova_bitmap_set exit conditionals
  iommufd/iova_bitmap: Move initial pinning to iova_bitmap_for_each()
  iommufd/iova_bitmap: Cache mapped length in iova_bitmap_map struct
  ...
 2024-07-19 09:42:29 -07:00
Linus Torvalds
c434e25b62 This update includes the following changes: 
API:
 
 - Test setkey in no-SIMD context.
 - Add skcipher speed test for user-specified algorithm.
 
 Algorithms:
 
 - Add x25519 support on ppc64le.
 - Add VAES and AVX512 / AVX10 optimized AES-GCM on x86.
 - Remove sm2 algorithm.
 
 Drivers:
 
 - Add Allwinner H616 support to sun8i-ce.
 - Use DMA in stm32.
 - Add Exynos850 hwrng support to exynos.
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Merge tag 'v6.11-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6

Pull crypto update from Herbert Xu:
 "API:
   - Test setkey in no-SIMD context
   - Add skcipher speed test for user-specified algorithm

  Algorithms:
   - Add x25519 support on ppc64le
   - Add VAES and AVX512 / AVX10 optimized AES-GCM on x86
   - Remove sm2 algorithm

  Drivers:
   - Add Allwinner H616 support to sun8i-ce
   - Use DMA in stm32
   - Add Exynos850 hwrng support to exynos"

* tag 'v6.11-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (81 commits)
  hwrng: core - remove (un)register_miscdev()
  crypto: lib/mpi - delete unnecessary condition
  crypto: testmgr - generate power-of-2 lengths more often
  crypto: mxs-dcp - Ensure payload is zero when using key slot
  hwrng: Kconfig - Do not enable by default CN10K driver
  crypto: starfive - Fix nent assignment in rsa dec
  crypto: starfive - Align rsa input data to 32-bit
  crypto: qat - fix unintentional re-enabling of error interrupts
  crypto: qat - extend scope of lock in adf_cfg_add_key_value_param()
  Documentation: qat: fix auto_reset attribute details
  crypto: sun8i-ce - add Allwinner H616 support
  crypto: sun8i-ce - wrap accesses to descriptor address fields
  dt-bindings: crypto: sun8i-ce: Add compatible for H616
  hwrng: core - Fix wrong quality calculation at hw rng registration
  hwrng: exynos - Enable Exynos850 support
  hwrng: exynos - Add SMC based TRNG operation
  hwrng: exynos - Implement bus clock control
  hwrng: exynos - Use devm_clk_get_enabled() to get the clock
  hwrng: exynos - Improve coding style
  dt-bindings: rng: Add Exynos850 support to exynos-trng
  ...
 2024-07-19 08:52:58 -07:00
Xiu Jianfeng
89ed6c9ac6 blk-cgroup: move congestion_count to struct blkcg 
The congestion_count was introduced into the struct cgroup by
commit d09d8df3a2 ("blkcg: add generic throttling mechanism"),
but since it is closely related to the blkio subsys, it is not
appropriate to put it in the struct cgroup, so let's move it to
struct blkcg. There should be no functional changes because blkcg
is per cgroup.

Signed-off-by: Xiu Jianfeng <xiujianfeng@huawei.com>
Acked-by: Tejun Heo <tj@kernel.org>
Link: https://lore.kernel.org/r/20240716133058.3491350-1-xiujianfeng@huawei.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
 2024-07-19 09:40:07 -06:00
Yang Yang
72d04bdcf3 sbitmap: fix io hung due to race on sbitmap_word::cleared 
Configuration for sbq:
  depth=64, wake_batch=6, shift=6, map_nr=1

1. There are 64 requests in progress:
  map->word = 0xFFFFFFFFFFFFFFFF
2. After all the 64 requests complete, and no more requests come:
  map->word = 0xFFFFFFFFFFFFFFFF, map->cleared = 0xFFFFFFFFFFFFFFFF
3. Now two tasks try to allocate requests:
  T1:                                       T2:
  __blk_mq_get_tag                          .
  __sbitmap_queue_get                       .
  sbitmap_get                               .
  sbitmap_find_bit                          .
  sbitmap_find_bit_in_word                  .
  __sbitmap_get_word  -> nr=-1              __blk_mq_get_tag
  sbitmap_deferred_clear                    __sbitmap_queue_get
  /* map->cleared=0xFFFFFFFFFFFFFFFF */     sbitmap_find_bit
    if (!READ_ONCE(map->cleared))           sbitmap_find_bit_in_word
      return false;                         __sbitmap_get_word -> nr=-1
    mask = xchg(&map->cleared, 0)           sbitmap_deferred_clear
    atomic_long_andnot()                    /* map->cleared=0 */
                                              if (!(map->cleared))
                                                return false;
                                     /*
                                      * map->cleared is cleared by T1
                                      * T2 fail to acquire the tag
                                      */

4. T2 is the sole tag waiter. When T1 puts the tag, T2 cannot be woken
up due to the wake_batch being set at 6. If no more requests come, T1
will wait here indefinitely.

This patch achieves two purposes:
1. Check on ->cleared and update on both ->cleared and ->word need to
be done atomically, and using spinlock could be the simplest solution.
2. Add extra check in sbitmap_deferred_clear(), to identify whether
->word has free bits.

Fixes: ea86ea2cdc ("sbitmap: ammortize cost of clearing bits")
Signed-off-by: Yang Yang <yang.yang@vivo.com>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20240716082644.659566-1-yang.yang@vivo.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
 2024-07-19 09:39:32 -06:00
John Garry
8a47e33f50 block: Catch possible entries missing from rqf_name[] 
Add a BUILD_BUG_ON() call to ensure that we are not missing entries in
rqf_name[].

Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: John Garry <john.g.garry@oracle.com>
Link: https://lore.kernel.org/r/20240719112912.3830443-16-john.g.garry@oracle.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
 2024-07-19 09:32:49 -06:00
John Garry
5f89154e8e block: Use enum to define RQF_x bit indexes 
Similar to what we do for enum req_flag_bits, divide the definition of
RQF_x flags into an enum to declare the bits and an actual flag.

Tweak some comments to not spill onto new lines.

Signed-off-by: John Garry <john.g.garry@oracle.com>
Link: https://lore.kernel.org/r/20240719112912.3830443-14-john.g.garry@oracle.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
 2024-07-19 09:32:49 -06:00
John Garry
6fa99325ec block: Catch possible entries missing from cmd_flag_name[] 
Add a BUILD_BUG_ON() call to ensure that we are not missing entries in
cmd_flag_name[].

Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: John Garry <john.g.garry@oracle.com>
Link: https://lore.kernel.org/r/20240719112912.3830443-13-john.g.garry@oracle.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
 2024-07-19 09:32:49 -06:00