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Linus Torvalds
f1c243fc78 IOMMU Updates for Linux v6.14 
Including:
 
 	- Core changes:
 	  - PASID support for the blocked_domain.
 
 	- ARM-SMMU Updates:
 	  - SMMUv2:
 	    * Implement per-client prefetcher configuration on Qualcomm SoCs.
 	    * Support for the Adreno SMMU on Qualcomm's SDM670 SOC.
 	  - SMMUv3:
 	    * Pretty-printing of event records.
 	    * Drop the ->domain_alloc_paging implementation in favour of
 	      ->domain_alloc_paging_flags(flags==0).
 	  - IO-PGTable:
 	    * Generalisation of the page-table walker to enable external walkers
 	      (e.g. for debugging unexpected page-faults from the GPU).
 	    * Minor fix for handling concatenated PGDs at stage-2 with 16KiB pages.
 	  - Misc:
 	    * Clean-up device probing and replace the crufty probe-deferral hack
 	      with a more robust implementation of arm_smmu_get_by_fwnode().
 	    * Device-tree binding updates for a bunch of Qualcomm platforms.
 
 	- Intel VT-d Updates:
 	  - Remove domain_alloc_paging().
 	  - Remove capability audit code.
 	  - Draining PRQ in sva unbind path when FPD bit set.
 	  - Link cache tags of same iommu unit together.
 
 	- AMD-Vi Updates:
 	  - Use CMPXCHG128 to update DTE.
 	  - Cleanups of the domain_alloc_paging() path.
 
 	- RiscV IOMMU:
 	  - Platform MSI support.
 	  - Shutdown support.
 
 	- Rockchip IOMMU:
 	  - Add DT bindings for Rockchip RK3576.
 
 	- More smaller fixes and cleanups.
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Merge tag 'iommu-updates-v6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux

Pull iommu updates from Joerg Roedel:
 "Core changes:
   - PASID support for the blocked_domain

  ARM-SMMU Updates:
   - SMMUv2:
      - Implement per-client prefetcher configuration on Qualcomm SoCs
      - Support for the Adreno SMMU on Qualcomm's SDM670 SOC
   - SMMUv3:
      - Pretty-printing of event records
      - Drop the ->domain_alloc_paging implementation in favour of
        domain_alloc_paging_flags(flags==0)
   - IO-PGTable:
      - Generalisation of the page-table walker to enable external
        walkers (e.g. for debugging unexpected page-faults from the GPU)
      - Minor fix for handling concatenated PGDs at stage-2 with 16KiB
        pages
   - Misc:
      - Clean-up device probing and replace the crufty probe-deferral
        hack with a more robust implementation of
        arm_smmu_get_by_fwnode()
      - Device-tree binding updates for a bunch of Qualcomm platforms

  Intel VT-d Updates:
   - Remove domain_alloc_paging()
   - Remove capability audit code
   - Draining PRQ in sva unbind path when FPD bit set
   - Link cache tags of same iommu unit together

  AMD-Vi Updates:
   - Use CMPXCHG128 to update DTE
   - Cleanups of the domain_alloc_paging() path

  RiscV IOMMU:
   - Platform MSI support
   - Shutdown support

  Rockchip IOMMU:
   - Add DT bindings for Rockchip RK3576

  More smaller fixes and cleanups"

* tag 'iommu-updates-v6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux: (66 commits)
  iommu: Use str_enable_disable-like helpers
  iommu/amd: Fully decode all combinations of alloc_paging_flags
  iommu/amd: Move the nid to pdom_setup_pgtable()
  iommu/amd: Change amd_iommu_pgtable to use enum protection_domain_mode
  iommu/amd: Remove type argument from do_iommu_domain_alloc() and related
  iommu/amd: Remove dev == NULL checks
  iommu/amd: Remove domain_alloc()
  iommu/amd: Remove unused amd_iommu_domain_update()
  iommu/riscv: Fixup compile warning
  iommu/arm-smmu-v3: Add missing #include of linux/string_choices.h
  iommu/arm-smmu-v3: Use str_read_write helper w/ logs
  iommu/io-pgtable-arm: Add way to debug pgtable walk
  iommu/io-pgtable-arm: Re-use the pgtable walk for iova_to_phys
  iommu/io-pgtable-arm: Make pgtable walker more generic
  iommu/arm-smmu: Add ACTLR data and support for qcom_smmu_500
  iommu/arm-smmu: Introduce ACTLR custom prefetcher settings
  iommu/arm-smmu: Add support for PRR bit setup
  iommu/arm-smmu: Refactor qcom_smmu structure to include single pointer
  iommu/arm-smmu: Re-enable context caching in smmu reset operation
  iommu/vt-d: Link cache tags of same iommu unit together
  ...
 2025-01-24 07:33:46 -08:00
Linus Torvalds
c9c0543b52 platform-drivers-x86 for v6.14-1 
Highlights:
 
  - acer-wmi:
 
 	- Add support for PH14-51, PH16-72, and Nitro AN515-58
 
 	- Add proper hwmon support
 
 	- Improve error handling when reading "gaming system info"
 
 	- Replace direct EC reads for the current platform profile
 	  with WMI calls to handle EC address variations
 
 	- Replace custom platform_profile cycling with the generic one
 
  - ACPI: platform_profile: Major refactoring and improvements
 
 	- Support registering multiple platform_profile handlers
 	  concurrently to avoid the need to quirk which handler takes
 	  precedence
 
 	- Support reporting "custom" profile for cases where the current
 	  profile is ambiguous or when settings tweaks are done outside
 	  the pre-defined profile
 
 	- Abstract and layer platform_profile API better using the
 	  class_dev and drvdata
 
 	- Various minor improvements
 
 	- Add Documentation and kerneldoc
 
  - amd/hsmp: Add support for HSMP protocol v7
 
  - amd/pmc:
 
 	- Support AMD 1Ah family 70h
 
 	- Support STB with Ryzen desktop SoCs
 
  - amd/pmf:
 
 	- Support Custom BIOS inputs for PMF TA
 
 	- Support passing SRA sensor data from AMD SFH (HID) to PMF TA
 
  - dell-smo8800:
 
 	- Move SMO88xx quirk away from the generic i2c-i801 driver
 
 	- Add accelerometer support for Dell Latitude E6330/E6430 and
 	  XPS 9550
 
 	- Support probing accelerometer for models yet to be listed in
 	  the DMI mapping table because ACPI lacks i2c-address for the
 	  accelerometer (behind a module parameter because probing might
 	  be dangerous)
 
  - HID: amd_sfh: Add support for exporting SRA sensor data
 
  - hp-wmi: Add fan and thermal support for Victus 16-s1000
 
  - input: Add key for phone linking
 
  - input: i8042: Add context for the i8042 filter to enable cleaning up
    the filter related global variables from pdx86 drivers
 
  - lenovo-wmi-camera: Use SW_CAMERA_LENS_COVER instead of
    KEY_CAMERA_ACCESS
 
  - mellanox: mlxbf-pmc:
 
 	- Add support for monitoring cycle count
 
 	- Add Documentation
 
  - thinkpad_acpi: Add support for phone link key
 
  - tools/power/x86/intel-speed-select: Fix Turbo Ratio Limit restore
 
  - x86-android-tables: Add support for Vexia EDU ATLA 10 Bluetooth and
    EC battery driver
 
  - Miscellaneous cleanups / refactoring / improvements
 
 The following is an automated shortlog grouped by driver:
 
 acer-wmi:
  -  add support for Acer Nitro AN515-58
  -  Add support for Acer PH14-51
  -  Add support for Acer Predator PH16-72
  -  Fix initialization of last_non_turbo_profile
  -  Ignore AC events
  -  Implement proper hwmon support
  -  Improve error handling when reading gaming system information
  -  Rename ACER_CAP_FAN_SPEED_READ
  -  simplify platform profile cycling
  -  use an ACPI bitmap to set the platform profile choices
  -  Use devm_platform_profile_register()
  -  use new helper function for setting overclocks
  -  use WMI calls for platform profile handling
 
 ACPI: platform-profile:
  -  Add a name member to handlers
 
 ACPI: platform_profile:
  -  Add a prefix to log messages
  -  Add choices attribute for class interface
  -  Add concept of a "custom" profile
  -  Add device pointer into platform profile handler
  -  Add devm_platform_profile_register()
  -  Add documentation
  -  Add name attribute to class interface
  -  Add `ops` member to handlers
  -  Add platform handler argument to platform_profile_remove()
  -  Add `probe` to platform_profile_ops
  -  Add profile attribute for class interface
  -  Allow multiple handlers
  -  Check all profile handler to calculate next
  -  Clean platform_profile_handler
  -  Create class for ACPI platform profile
  -  Let drivers set drvdata to the class device
  -  Make sure all profile handlers agree on profile
  -  Move matching string for new profile out of mutex
  -  Move platform_profile_handler
  -  Move sanity check out of the mutex
  -  Notify change events on register and unregister
  -  Notify class device from platform_profile_notify()
  -  Only show profiles common for all handlers
  -  Pass the profile handler into platform_profile_notify()
  -  Remove platform_profile_handler from callbacks
  -  Remove platform_profile_handler from exported symbols
  -  Replace *class_dev member with class_dev
  -  Use guard(mutex) for register/unregister
  -  Use `scoped_cond_guard`
 
 alienware_wmi:
  -  General cleanup of WMAX methods
 
 alienware-wmi:
  -  Improve hdmi_mux, amplifier and deepslp group creation
  -  Improve rgb-zones group creation
  -  Modify parse_rgb() signature
  -  Move Lighting Control State
  -  Remove unnecessary check at module exit
  -  Use devm_platform_profile_register()
 
 amd/hsmp:
  -  Add support for HSMP protocol version 7 messages
  -  Constify 'struct bin_attribute'
 
 amd/pmc:
  -  Add STB support for AMD Desktop variants
  -  Define enum for S2D/PMC msg_port and add helper function
  -  Isolate STB code changes to a new file
  -  Move STB block into amd_pmc_s2d_init()
  -  Move STB functionality to a new file for better code organization
  -  Update function names to align with new STB file
  -  Update IP information structure for newer SoCs
  -  Update S2D message id for 1Ah Family 70h model
  -  Use ARRAY_SIZE() to fill num_ips information
 
 amd: pmc:
  -  Use guard(mutex)
 
 amd: pmf:
  -  Drop all quirks
 
 amd/pmf:
  -  Enable Custom BIOS Inputs for PMF-TA
  -  Get SRA sensor data from AMD SFH driver
 
 amd: pmf: sps:
  -  Use devm_platform_profile_register()
 
 amd: pmf:
  -  Switch to guard(mutex)
 
 asus-wmi:
  -  Use devm_platform_profile_register()
 
 dell: dcdbas:
  -  Constify 'struct bin_attribute'
 
 dell: dell-pc:
  -  Create platform device
 
 dell-pc:
  -  Use devm_platform_profile_register()
 
 dell_rbu:
  -  Constify 'struct bin_attribute'
 
 dell-smo8800:
  -  Add a couple more models to lis3lv02d_devices[]
  -  Add support for probing for the accelerometer i2c address
  -  Move instantiation of lis3lv02d i2c_client from i2c-i801 to dell-lis3lv02d
  -  Move SMO88xx acpi_device_ids to dell-smo8800-ids.h
 
 dell-sysman:
  -  Directly use firmware_attributes_class
 
 dell-uart-backlight:
  -  Use blacklight power constant
 
 docs: platform/x86: wmi:
  -  mention tool for invoking WMI methods
 
 Documentation/ABI:
  -  Add document for Mellanox PMC driver
  -  Add new sysfs field to sysfs-platform-mellanox-pmc
 
 Documentation:
  -  Add documentation about class interface for platform profiles
 
 firmware_attributes_class:
  -  Drop lifecycle functions
  -  Move include linux/device/class.h
  -  Simplify API
 
 fujitsu-laptop:
  -  replace strcpy -> strscpy
 
 HID: amd_sfh:
  -  Add support to export device operating states
 
 hp-bioscfg:
  -  Directly use firmware_attributes_class
 
 hp-wmi:
  -  Add fan and thermal profile support for Victus 16-s1000
  -  Use devm_platform_profile_register()
 
 ideapad-laptop:
  -  Use devm_platform_profile_register()
 
 Input:
  -  allocate keycode for phone linking
  -  i8042 - Add support for platform filter contexts
 
 inspur_platform_profile:
  -  Use devm_platform_profile_register()
 
 int3472:
  -  Check for adev == NULL
  -  Debug log the sensor name
  -  Fix skl_int3472_handle_gpio_resources() return value
  -  Make "pin number mismatch" message a debug message
 
 intel: bytcrc_pwrsrc:
  -  fix power_supply dependency
  -  Optionally register a power_supply dev
 
 intel: int0002_vgpio:
  -  Make the irqchip immutable
 
 intel/pmt:
  -  Constify 'struct bin_attribute'
 
 intel: punit_ipc:
  -  Remove unused function
 
 intel/sdsi:
  -  Constify 'struct bin_attribute'
 
 intel/tpmi/plr:
  -  Make char[] longer to silence warning
 
 lenovo-wmi-camera:
  -  Use SW_CAMERA_LENS_COVER instead of KEY_CAMERA_ACESS
 
 MAINTAINERS:
  -  Change AMD PMC driver status to "Supported"
 
 mlxbf-bootctl:
  -  Constify 'struct bin_attribute'
  -  use sysfs_emit() instead of sprintf()
 
 mlxbf-pmc:
  -  Add support for clock_measure performance block
  -  Add support for monitoring cycle count
  -  incorrect type in assignment
 
 mlxreg-hotplug:
  -  use sysfs_emit() instead of sprintf()
 
 mlxreg-io:
  -  use sysfs_emit() instead of sprintf()
 
 quickstart:
  -  don't include 'pm_wakeup.h' directly
 
 serdev_helpers:
  -  Add get_serdev_controller_from_parent() helper
  -  Check for serial_ctrl_uid == NULL
 
 surface: surface_platform_profile:
  -  Use devm_platform_profile_register()
 
 think-lmi:
  -  Directly use firmware_attributes_class
 
 thinkpad_acpi:
  -  Add support for new phone link hotkey
 
 thinkpad-acpi:
  -  replace strcpy with strscpy
 
 thinkpad_acpi:
  -  Use devm_platform_profile_register()
 
 tools/power/x86/intel-speed-select:
  -  Fix TRL restore after SST-TF disable
  -  v1.21 release
 
 wmi-bmof:
  -  Make use of .bin_size() callback
 
 x86-android-tablets:
  -  Add Bluetooth support for Vexia EDU ATLA 10
  -  Add missing __init to get_i2c_adap_by_*()
  -  Add support for getting serdev-controller by PCI parent
  -  Add Vexia EDU ATLA 10 EC battery driver
  -  Change x86_instantiate_serdev() prototype
  -  make platform data be static
  -  Make variables only used locally static
  -  Store serdev-controller ACPI HID + UID in a union
 
 Merges:
  -  Merge branch 'fixes' into 'for-next'
  -  Merge branch 'intel-sst' of https://github.com/spandruvada/linux-kernel into review-ilpo-next
  -  Merge branch 'platform-drivers-x86-platform-profile' into for-next
  -  Merge branch 'platform-drivers-x86-platform-profile' into for-next
  -  Merge import NS conversion from 'https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git' into for-next
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Merge tag 'platform-drivers-x86-v6.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86

Pull x86 platform driver updates from Ilpo Järvinen:
 "acer-wmi:
   - Add support for PH14-51, PH16-72, and Nitro AN515-58
   - Add proper hwmon support
   - Improve error handling when reading "gaming system info"
   - Replace direct EC reads for the current platform profile with WMI
     calls to handle EC address variations
   - Replace custom platform_profile cycling with the generic one

  ACPI:
   - platform_profile: Major refactoring and improvements
   - Support registering multiple platform_profile handlers concurrently
     to avoid the need to quirk which handler takes precedence
   - Support reporting "custom" profile for cases where the current
     profile is ambiguous or when settings tweaks are done outside the
     pre-defined profile
   - Abstract and layer platform_profile API better using the class_dev
     and drvdata
   - Various minor improvements
   - Add Documentation and kerneldoc

  amd/hsmp:
   - Add support for HSMP protocol v7

  amd/pmc:
   - Support AMD 1Ah family 70h
   - Support STB with Ryzen desktop SoCs

  amd/pmf:
   - Support Custom BIOS inputs for PMF TA
   - Support passing SRA sensor data from AMD SFH (HID) to PMF TA

  dell-smo8800:
   - Move SMO88xx quirk away from the generic i2c-i801 driver
   - Add accelerometer support for Dell Latitude E6330/E6430 and XPS
     9550
   - Support probing accelerometer for models yet to be listed in the
     DMI mapping table because ACPI lacks i2c-address for the
     accelerometer (behind a module parameter because probing might be
     dangerous)

  HID:
   - amd_sfh: Add support for exporting SRA sensor data

  hp-wmi:
   - Add fan and thermal support for Victus 16-s1000

  input:
   - Add key for phone linking
   - i8042: Add context for the i8042 filter to enable cleaning up the
     filter related global variables from pdx86 drivers

  lenovo-wmi-camera:
   - Use SW_CAMERA_LENS_COVER instead of KEY_CAMERA_ACCESS

  mellanox mlxbf-pmc:
   - Add support for monitoring cycle count
   - Add Documentation

  thinkpad_acpi:
   - Add support for phone link key

  tools/power/x86/intel-speed-select:
   - Fix Turbo Ratio Limit restore

  x86-android-tables:
   - Add support for Vexia EDU ATLA 10 Bluetooth and EC battery driver

  And miscellaneous cleanups / refactoring / improvements"

* tag 'platform-drivers-x86-v6.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: (133 commits)
  platform/x86: acer-wmi: Fix initialization of last_non_turbo_profile
  platform/x86: acer-wmi: Ignore AC events
  platform/mellanox: mlxreg-io: use sysfs_emit() instead of sprintf()
  platform/mellanox: mlxreg-hotplug: use sysfs_emit() instead of sprintf()
  platform/mellanox: mlxbf-bootctl: use sysfs_emit() instead of sprintf()
  platform/x86: hp-wmi: Add fan and thermal profile support for Victus 16-s1000
  ACPI: platform_profile: Add a prefix to log messages
  ACPI: platform_profile: Add documentation
  ACPI: platform_profile: Clean platform_profile_handler
  ACPI: platform_profile: Move platform_profile_handler
  ACPI: platform_profile: Remove platform_profile_handler from exported symbols
  platform/x86: thinkpad_acpi: Use devm_platform_profile_register()
  platform/x86: inspur_platform_profile: Use devm_platform_profile_register()
  platform/x86: hp-wmi: Use devm_platform_profile_register()
  platform/x86: ideapad-laptop: Use devm_platform_profile_register()
  platform/x86: dell-pc: Use devm_platform_profile_register()
  platform/x86: asus-wmi: Use devm_platform_profile_register()
  platform/x86: amd: pmf: sps: Use devm_platform_profile_register()
  platform/x86: acer-wmi: Use devm_platform_profile_register()
  platform/surface: surface_platform_profile: Use devm_platform_profile_register()
  ...
 2025-01-24 07:18:39 -08:00
Linus Torvalds
113691ce9f * Centralize global metadata infrastructure 
* Use new TDX module features for exception suppression and RBP
    clobbering
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Merge tag 'x86_tdx_for_6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 TDX updates from Dave Hansen:
 "Intel Trust Domain updates.

  The existing TDX code needs a _bit_ of metadata from the TDX module.
  But KVM is going to need a bunch more very shortly. Rework the
  interface with the TDX module to be more consistent and handle the new
  higher volume.

  The TDX module has added a few new features. The first is a promise
  not to clobber RBP under any circumstances. Basically the kernel now
  will refuse to use any modules that don't have this promise. Second,
  enable the new "REDUCE_VE" feature. This ensures that the TDX module
  will not send some silly virtualization exceptions that the guest had
  no good way to handle anyway.

   - Centralize global metadata infrastructure

   - Use new TDX module features for exception suppression and RBP
     clobbering"

* tag 'x86_tdx_for_6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/virt/tdx: Require the module to assert it has the NO_RBP_MOD mitigation
  x86/virt/tdx: Switch to use auto-generated global metadata reading code
  x86/virt/tdx: Use dedicated struct members for PAMT entry sizes
  x86/virt/tdx: Use auto-generated code to read global metadata
  x86/virt/tdx: Start to track all global metadata in one structure
  x86/virt/tdx: Rename 'struct tdx_tdmr_sysinfo' to reflect the spec better
  x86/tdx: Dump attributes and TD_CTLS on boot
  x86/tdx: Disable unnecessary virtualization exceptions
 2025-01-24 05:58:31 -08:00
Linus Torvalds
5b7f7234ff x86/boot changes for v6.14: 
- A large and involved preparatory series to pave the way to add exception
    handling for relocate_kernel - which will be a debugging facility that
    has aided in the field to debug an exceptionally hard to debug early boot bug.
    Plus assorted cleanups and fixes that were discovered along the way,
    by David Woodhouse:
 
       - Clean up and document register use in relocate_kernel_64.S
       - Use named labels in swap_pages in relocate_kernel_64.S
       - Only swap pages for ::preserve_context mode
       - Allocate PGD for x86_64 transition page tables separately
       - Copy control page into place in machine_kexec_prepare()
       - Invoke copy of relocate_kernel() instead of the original
       - Move relocate_kernel to kernel .data section
       - Add data section to relocate_kernel
       - Drop page_list argument from relocate_kernel()
       - Eliminate writes through kernel mapping of relocate_kernel page
       - Clean up register usage in relocate_kernel()
       - Mark relocate_kernel page as ROX instead of RWX
       - Disable global pages before writing to control page
       - Ensure preserve_context flag is set on return to kernel
       - Use correct swap page in swap_pages function
       - Fix stack and handling of re-entry point for ::preserve_context
       - Mark machine_kexec() with __nocfi
       - Cope with relocate_kernel() not being at the start of the page
       - Use typedef for relocate_kernel_fn function prototype
       - Fix location of relocate_kernel with -ffunction-sections (fix by Nathan Chancellor)
 
  - A series to remove the last remaining absolute symbol references from
    .head.text, and enforce this at build time, by Ard Biesheuvel:
 
       - Avoid WARN()s and panic()s in early boot code
       - Don't hang but terminate on failure to remap SVSM CA
       - Determine VA/PA offset before entering C code
       - Avoid intentional absolute symbol references in .head.text
       - Disable UBSAN in early boot code
       - Move ENTRY_TEXT to the start of the image
       - Move .head.text into its own output section
       - Reject absolute references in .head.text
 
  - Which build-time enforcement uncovered a handful of bugs of essentially
    non-working code, and a wrokaround for a toolchain bug, fixed by
    Ard Biesheuvel as well:
 
       - Fix spurious undefined reference when CONFIG_X86_5LEVEL=n, on GCC-12
       - Disable UBSAN on SEV code that may execute very early
       - Disable ftrace branch profiling in SEV startup code
 
  - And miscellaneous cleanups:
 
        - kexec_core: Add and update comments regarding the KEXEC_JUMP flow (Rafael J. Wysocki)
        - x86/sysfs: Constify 'struct bin_attribute' (Thomas Weißschuh)
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'x86-boot-2025-01-21' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 boot updates from Ingo Molnar:

 - A large and involved preparatory series to pave the way to add
   exception handling for relocate_kernel - which will be a debugging
   facility that has aided in the field to debug an exceptionally hard
   to debug early boot bug. Plus assorted cleanups and fixes that were
   discovered along the way, by David Woodhouse:

      - Clean up and document register use in relocate_kernel_64.S
      - Use named labels in swap_pages in relocate_kernel_64.S
      - Only swap pages for ::preserve_context mode
      - Allocate PGD for x86_64 transition page tables separately
      - Copy control page into place in machine_kexec_prepare()
      - Invoke copy of relocate_kernel() instead of the original
      - Move relocate_kernel to kernel .data section
      - Add data section to relocate_kernel
      - Drop page_list argument from relocate_kernel()
      - Eliminate writes through kernel mapping of relocate_kernel page
      - Clean up register usage in relocate_kernel()
      - Mark relocate_kernel page as ROX instead of RWX
      - Disable global pages before writing to control page
      - Ensure preserve_context flag is set on return to kernel
      - Use correct swap page in swap_pages function
      - Fix stack and handling of re-entry point for ::preserve_context
      - Mark machine_kexec() with __nocfi
      - Cope with relocate_kernel() not being at the start of the page
      - Use typedef for relocate_kernel_fn function prototype
      - Fix location of relocate_kernel with -ffunction-sections (fix by Nathan Chancellor)

 - A series to remove the last remaining absolute symbol references from
   .head.text, and enforce this at build time, by Ard Biesheuvel:

      - Avoid WARN()s and panic()s in early boot code
      - Don't hang but terminate on failure to remap SVSM CA
      - Determine VA/PA offset before entering C code
      - Avoid intentional absolute symbol references in .head.text
      - Disable UBSAN in early boot code
      - Move ENTRY_TEXT to the start of the image
      - Move .head.text into its own output section
      - Reject absolute references in .head.text

 - The above build-time enforcement uncovered a handful of bugs of
   essentially non-working code, and a wrokaround for a toolchain bug,
   fixed by Ard Biesheuvel as well:

      - Fix spurious undefined reference when CONFIG_X86_5LEVEL=n, on GCC-12
      - Disable UBSAN on SEV code that may execute very early
      - Disable ftrace branch profiling in SEV startup code

 - And miscellaneous cleanups:

      - kexec_core: Add and update comments regarding the KEXEC_JUMP flow (Rafael J. Wysocki)
      - x86/sysfs: Constify 'struct bin_attribute' (Thomas Weißschuh)"

* tag 'x86-boot-2025-01-21' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (33 commits)
  x86/sev: Disable ftrace branch profiling in SEV startup code
  x86/kexec: Use typedef for relocate_kernel_fn function prototype
  x86/kexec: Cope with relocate_kernel() not being at the start of the page
  kexec_core: Add and update comments regarding the KEXEC_JUMP flow
  x86/kexec: Mark machine_kexec() with __nocfi
  x86/kexec: Fix location of relocate_kernel with -ffunction-sections
  x86/kexec: Fix stack and handling of re-entry point for ::preserve_context
  x86/kexec: Use correct swap page in swap_pages function
  x86/kexec: Ensure preserve_context flag is set on return to kernel
  x86/kexec: Disable global pages before writing to control page
  x86/sev: Don't hang but terminate on failure to remap SVSM CA
  x86/sev: Disable UBSAN on SEV code that may execute very early
  x86/boot/64: Fix spurious undefined reference when CONFIG_X86_5LEVEL=n, on GCC-12
  x86/sysfs: Constify 'struct bin_attribute'
  x86/kexec: Mark relocate_kernel page as ROX instead of RWX
  x86/kexec: Clean up register usage in relocate_kernel()
  x86/kexec: Eliminate writes through kernel mapping of relocate_kernel page
  x86/kexec: Drop page_list argument from relocate_kernel()
  x86/kexec: Add data section to relocate_kernel
  x86/kexec: Move relocate_kernel to kernel .data section
  ...
 2025-01-24 05:54:26 -08:00
Linus Torvalds
7685b334d1 perf-tools changes for v6.14 
There are a lot of changes in the perf tools in this cycle.
 
 build
 -----
 * Use generic syscall table to generate syscall numbers on supported archs.
 * This also enables to get rid of libaudit which was used for syscall numbers.
 * Remove python2 support as it's deprecated for years.
 * Fix issues on static build with libzstd.
 
 perf record
 -----------
 * Intel-PT supports "aux-action" config term to pause or resume tracing in
   the aux-buffer.  Users can start the intel_pt event as "started-paused" and
   configure other events to control the Intel-PT tracing.
 
     # perf record --kcore -e intel_pt/aux-action=start-paused/   \
         -e syscalls:sys_enter_newuname/aux-action=resume/        \
         -e syscalls:sys_exit_newuname/aux-action=pause/ -- uname
 
   This requires the kernel support (which was added in v6.13).
 
 perf lock
 ---------
 * 'perf lock contention' command has an ability to symbolize locks in
   dynamically allocated objects using slab cache name when it runs with BPF.
   Those dynamic locks would have "&" prefix in the name to distinguish them
   from ordinary (static) locks.
 
     # perf lock con -abl -E 5 sleep 1
        contended   total wait     max wait     avg wait            address   symbol
 
                2      1.95 us      1.77 us       975 ns   ffff9d5e852d3498   &task_struct (mutex)
                1      1.18 us      1.18 us      1.18 us   ffff9d5e852d3538   &task_struct (mutex)
                4      1.12 us       354 ns       279 ns   ffff9d5e841ca800   &kmalloc-cg-512 (mutex)
                2       859 ns       617 ns       429 ns   ffffffffa41c3620   delayed_uprobe_lock (mutex)
                3       691 ns       388 ns       230 ns   ffffffffa41c0940   pack_mutex (mutex)
 
   This also requires the kernel/BPF support (which was added in v6.13).
 
 perf ftrace
 -----------
 * 'perf ftrace latency' command gets a couple of options to support linear
   buckets instead of exponential.  Also it's possible to specify max and
   min latency for the linear buckets.
 
     # perf ftrace latency -abn -T switch_mm_irqs_off --bucket-range=100   \
         --min-latency=200 --max-latency=800 -- sleep 1
     #   DURATION     |      COUNT | GRAPH                                  |
          0 -  200 ns |        186 | ###                                    |
        200 -  300 ns |        256 | #####                                  |
        300 -  400 ns |        364 | #######                                |
        400 -  500 ns |        223 | ####                                   |
        500 -  600 ns |        111 | ##                                     |
        600 -  700 ns |         41 |                                        |
        700 -  800 ns |        141 | ##                                     |
        800 -  ... ns |        169 | ###                                    |
 
     # statistics  (in nsec)
       total time:              2162212
         avg time:                  967
         max time:                16817
         min time:                  132
            count:                 2236
 
 * As you can see in the above example, it nows shows the statistics at the
   end so that users can see the avg/max/min latencies easily.
 
 * 'perf ftrace profile' command has --graph-opts option like 'perf ftrace
   trace' so that it can control the tracing behaviors in the same way.
   For example, it can limit the function call depth or threshold.
 
 perf script
 -----------
 * Improve physical memory resolution in 'mem-phys-addr' script by parsing
   /proc/iomem file.
 
     # perf script mem-phys-addr -- find /
     ...
     Event: mem_inst_retired.all_loads:P
     Memory type                                    count  percentage
     ----------------------------------------  ----------  ----------
     100000000-85f7fffff : System RAM                8929        69.7
       547600000-54785d23f : Kernel data             1240         9.7
       546a00000-5474bdfff : Kernel rodata            490         3.8
       5480ce000-5485fffff : Kernel bss               121         0.9
     0-fff : Reserved                                3860        30.1
     100000-89c01fff : System RAM                      18         0.1
     8a22c000-8df6efff : System RAM                     5         0.0
 
 Others
 ------
 * 'perf test' gets --runs-per-test option to run the test cases repeatedly.
   This would be helpful to see if it's flaky.
 
 * Add 'parse_events' method to Python perf extension module, so that users
   can use the same event parsing logic in the python code.  One more step
   towards implementing perf tools in Python. :)
 
 * Support opening tracepoint events without libtraceevent.  This will be
   helpful if it won't use the tracing data like in 'perf stat'.
 
 * Update ARM Neoverse N2/V2 JSON events and metrics
 
 Signed-off-by: Namhyung Kim <namhyung@kernel.org>
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Merge tag 'perf-tools-for-v6.14-2025-01-21' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools

Pull perf-tools updates from Namhyung Kim:
 "There are a lot of changes in the perf tools in this cycle.

  build:

   - Use generic syscall table to generate syscall numbers on supported
     archs

   - This also enables to get rid of libaudit which was used for syscall
     numbers

   - Remove python2 support as it's deprecated for years

   - Fix issues on static build with libzstd

  perf record:

   - Intel-PT supports "aux-action" config term to pause or resume
     tracing in the aux-buffer. Users can start the intel_pt event as
     "started-paused" and configure other events to control the Intel-PT
     tracing:

         # perf record --kcore -e intel_pt/aux-action=start-paused/   \
             -e syscalls:sys_enter_newuname/aux-action=resume/        \
             -e syscalls:sys_exit_newuname/aux-action=pause/ -- uname

     This requires kernel support (which was added in v6.13)

  perf lock:

   - 'perf lock contention' command has an ability to symbolize locks in
     dynamically allocated objects using slab cache name when it runs
     with BPF. Those dynamic locks would have "&" prefix in the name to
     distinguish them from ordinary (static) locks

        # perf lock con -abl -E 5 sleep 1
           contended   total wait     max wait     avg wait            address   symbol

                   2      1.95 us      1.77 us       975 ns   ffff9d5e852d3498   &task_struct (mutex)
                   1      1.18 us      1.18 us      1.18 us   ffff9d5e852d3538   &task_struct (mutex)
                   4      1.12 us       354 ns       279 ns   ffff9d5e841ca800   &kmalloc-cg-512 (mutex)
                   2       859 ns       617 ns       429 ns   ffffffffa41c3620   delayed_uprobe_lock (mutex)
                   3       691 ns       388 ns       230 ns   ffffffffa41c0940   pack_mutex (mutex)

     This also requires kernel/BPF support (which was added in v6.13)

  perf ftrace:

   - 'perf ftrace latency' command gets a couple of options to support
     linear buckets instead of exponential. Also it's possible to
     specify max and min latency for the linear buckets:

        # perf ftrace latency -abn -T switch_mm_irqs_off --bucket-range=100   \
            --min-latency=200 --max-latency=800 -- sleep 1
        #   DURATION     |      COUNT | GRAPH                                  |
             0 -  200 ns |        186 | ###                                    |
           200 -  300 ns |        256 | #####                                  |
           300 -  400 ns |        364 | #######                                |
           400 -  500 ns |        223 | ####                                   |
           500 -  600 ns |        111 | ##                                     |
           600 -  700 ns |         41 |                                        |
           700 -  800 ns |        141 | ##                                     |
           800 -  ... ns |        169 | ###                                    |

        # statistics  (in nsec)
          total time:              2162212
            avg time:                  967
            max time:                16817
            min time:                  132
               count:                 2236

   - As you can see in the above example, it nows shows the statistics
     at the end so that users can see the avg/max/min latencies easily

   - 'perf ftrace profile' command has --graph-opts option like 'perf
     ftrace trace' so that it can control the tracing behaviors in the
     same way. For example, it can limit the function call depth or
     threshold

  perf script:

   - Improve physical memory resolution in 'mem-phys-addr' script by
     parsing /proc/iomem file

        # perf script mem-phys-addr -- find /
        ...
        Event: mem_inst_retired.all_loads:P
        Memory type                                    count  percentage
        ----------------------------------------  ----------  ----------
        100000000-85f7fffff : System RAM                8929        69.7
          547600000-54785d23f : Kernel data             1240         9.7
          546a00000-5474bdfff : Kernel rodata            490         3.8
          5480ce000-5485fffff : Kernel bss               121         0.9
        0-fff : Reserved                                3860        30.1
        100000-89c01fff : System RAM                      18         0.1
        8a22c000-8df6efff : System RAM                     5         0.0

  Others:

   - 'perf test' gets --runs-per-test option to run the test cases
     repeatedly. This would be helpful to see if it's flaky

   - Add 'parse_events' method to Python perf extension module, so that
     users can use the same event parsing logic in the python code. One
     more step towards implementing perf tools in Python. :)

   - Support opening tracepoint events without libtraceevent. This will
     be helpful if it won't use the tracing data like in 'perf stat'

   - Update ARM Neoverse N2/V2 JSON events and metrics"

* tag 'perf-tools-for-v6.14-2025-01-21' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools: (176 commits)
  perf test: Update event_groups test to use instructions
  perf bench: Fix undefined behavior in cmpworker()
  perf annotate: Prefer passing evsel to evsel->core.idx
  perf lock: Rename fields in lock_type_table
  perf lock: Add percpu-rwsem for type filter
  perf lock: Fix parse_lock_type which only retrieve one lock flag
  perf lock: Fix return code for functions in __cmd_contention
  perf hist: Fix width calculation in hpp__fmt()
  perf hist: Fix bogus profiles when filters are enabled
  perf hist: Deduplicate cmp/sort/collapse code
  perf test: Improve verbose documentation
  perf test: Add a runs-per-test flag
  perf test: Fix parallel/sequential option documentation
  perf test: Send list output to stdout rather than stderr
  perf test: Rename functions and variables for better clarity
  perf tools: Expose quiet/verbose variables in Makefile.perf
  perf config: Add a function to set one variable in .perfconfig
  perf test perftool_testsuite: Return correct value for skipping
  perf test perftool_testsuite: Add missing description
  perf test record+probe_libc_inet_pton: Make test resilient
  ...
 2025-01-24 05:45:40 -08:00
Linus Torvalds
bc8198dc7e sched_ext: Changes for v6.14 
- scx_bpf_now() added so that BPF scheduler can access the cached timestamp
   in struct rq to avoid reading TSC multiple times within a locked
   scheduling operation.
 
 - Minor updates to the built-in idle CPU selection logic.
 
 - tool/sched_ext updates and other misc changes.
 
 Pulling sched_ext/for-6.14 into master causes a merge conflict between the
 following two commits (first commit in master, second in for-6.14):
 
   a2a3374c47 sched_ext: idle: Refresh idle masks during idle-to-idle transitions
   9cf9aceed2 sched_ext: idle: use assign_cpu() to update the idle cpumask
 
   static void update_builtin_idle(int cpu, bool idle)
   {
   <<<<<<< HEAD
           if (idle)
                   cpumask_set_cpu(cpu, idle_masks.cpu);
           else
                   cpumask_clear_cpu(cpu, idle_masks.cpu);
   =======
           int cpu = cpu_of(rq);
 
           if (SCX_HAS_OP(update_idle) && !scx_rq_bypassing(rq)) {
                   SCX_CALL_OP(SCX_KF_REST, update_idle, cpu_of(rq), idle);
                   if (!static_branch_unlikely(&scx_builtin_idle_enabled))
                           return;
           }
 
           assign_cpu(cpu, idle_masks.cpu, idle);
   >>>>>>> 987ce79b52
 
 The first commit factored out update_builtin_idle() and the second replaced
 cpumask_set/clear_cpu() calls with assign_cpu(). The conflict can be
 resolved by taking the code from the first and then replacing the
 cpumask_set/clear_cpu() calls with assign_cpu():
 
   static void update_builtin_idle(int cpu, bool idle)
   {
           assign_cpu(cpu, idle_masks.cpu, idle);
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Merge tag 'sched_ext-for-6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/sched_ext

Pull sched_ext updates from Tejun Heo:

 - scx_bpf_now() added so that BPF scheduler can access the cached
   timestamp in struct rq to avoid reading TSC multiple times within a
   locked scheduling operation.

 - Minor updates to the built-in idle CPU selection logic.

 - tool/sched_ext updates and other misc changes.

* tag 'sched_ext-for-6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/sched_ext:
  sched_ext: fix kernel-doc warnings
  sched_ext: Use time helpers in BPF schedulers
  sched_ext: Replace bpf_ktime_get_ns() to scx_bpf_now()
  sched_ext: Add time helpers for BPF schedulers
  sched_ext: Add scx_bpf_now() for BPF scheduler
  sched_ext: Implement scx_bpf_now()
  sched_ext: Relocate scx_enabled() related code
  sched_ext: Add option -l in selftest runner to list all available tests
  sched_ext: Include remaining task time slice in error state dump
  sched_ext: update scx_bpf_dsq_insert() doc for SCX_DSQ_LOCAL_ON
  sched_ext: idle: small CPU iteration refactoring
  sched_ext: idle: introduce check_builtin_idle_enabled() helper
  sched_ext: idle: clarify comments
  sched_ext: idle: use assign_cpu() to update the idle cpumask
  sched_ext: Use str_enabled_disabled() helper in update_selcpu_topology()
  sched_ext: Use sizeof_field for key_len in dsq_hash_params
  tools/sched_ext: Receive updates from SCX repo
  sched_ext: Use the NUMA scheduling domain for NUMA optimizations
 2025-01-23 18:49:43 -08:00
Linus Torvalds
606489dbfa Fix atomic64 operations on some architectures for the tracing ring buffer: 
- Have emulating atomic64 use arch_spin_locks instead of raw_spin_locks
 
   The tracing ring buffer events have a small timestamp that holds the
   delta between itself and the event before it. But this can be tricky
   to update when interrupts come in. It originally just set the deltas
   to zero for events that interrupted the adding of another event which
   made all the events in the interrupt have the same timestamp as the
   event it interrupted. This was not suitable for many tools, so it
   was eventually fixed. But that fix required adding an atomic64 cmpxchg
   on the timestamp in cases where an event was added while another
   event was in the process of being added.
 
   Originally, for 32 bit architectures, the manipulation of the 64 bit
   timestamp was done by a structure that held multiple 32bit words to hold
   parts of the timestamp and a counter. But as updates to the ring buffer
   were done, maintaining this became too complex and was replaced by the
   atomic64 generic operations which are now used by both 64bit and 32bit
   architectures.  Shortly after that, it was reported that riscv32 and
   other 32 bit architectures that just used the generic atomic64 were
   locking up. This was because the generic atomic64 operations defined in
   lib/atomic64.c uses a raw_spin_lock() to emulate an atomic64 operation.
   The problem here was that raw_spin_lock() can also be traced by the
   function tracer (which is commonly used for debugging raw spin locks).
   Since the function tracer uses the tracing ring buffer, which now is being
   traced internally, this was triggering a recursion and setting off a
   warning that the spin locks were recusing.
 
   There's no reason for the code that emulates atomic64 operations to be
   using raw_spin_locks which have a lot of debugging infrastructure attached
   to them (depending on the config options). Instead it should be using
   the arch_spin_lock() which does not have any infrastructure attached to
   them and is used by low level infrastructure like RCU locks, lockdep
   and of course tracing. Using arch_spin_lock()s fixes this issue.
 
 - Do not trace in NMI if the architecture uses emulated atomic64 operations
 
   Another issue with using the emulated atomic64 operations that uses
   spin locks to emulate the atomic64 operations is that they cannot be
   used in NMI context. As an NMI can trigger while holding the atomic64
   spin locks it can try to take the same lock and cause a deadlock.
 
   Have the ring buffer fail recording events if in NMI context and the
   architecture uses the emulated atomic64 operations.
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Merge tag 'trace-ringbuffer-v6.14-2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace

Pull trace fing buffer fix from Steven Rostedt:
 "Fix atomic64 operations on some architectures for the tracing ring
  buffer:

   - Have emulating atomic64 use arch_spin_locks instead of
     raw_spin_locks

     The tracing ring buffer events have a small timestamp that holds
     the delta between itself and the event before it. But this can be
     tricky to update when interrupts come in. It originally just set
     the deltas to zero for events that interrupted the adding of
     another event which made all the events in the interrupt have the
     same timestamp as the event it interrupted. This was not suitable
     for many tools, so it was eventually fixed. But that fix required
     adding an atomic64 cmpxchg on the timestamp in cases where an event
     was added while another event was in the process of being added.

     Originally, for 32 bit architectures, the manipulation of the 64
     bit timestamp was done by a structure that held multiple 32bit
     words to hold parts of the timestamp and a counter. But as updates
     to the ring buffer were done, maintaining this became too complex
     and was replaced by the atomic64 generic operations which are now
     used by both 64bit and 32bit architectures. Shortly after that, it
     was reported that riscv32 and other 32 bit architectures that just
     used the generic atomic64 were locking up. This was because the
     generic atomic64 operations defined in lib/atomic64.c uses a
     raw_spin_lock() to emulate an atomic64 operation. The problem here
     was that raw_spin_lock() can also be traced by the function tracer
     (which is commonly used for debugging raw spin locks). Since the
     function tracer uses the tracing ring buffer, which now is being
     traced internally, this was triggering a recursion and setting off
     a warning that the spin locks were recusing.

     There's no reason for the code that emulates atomic64 operations to
     be using raw_spin_locks which have a lot of debugging
     infrastructure attached to them (depending on the config options).
     Instead it should be using the arch_spin_lock() which does not have
     any infrastructure attached to them and is used by low level
     infrastructure like RCU locks, lockdep and of course tracing. Using
     arch_spin_lock()s fixes this issue.

   - Do not trace in NMI if the architecture uses emulated atomic64
     operations

     Another issue with using the emulated atomic64 operations that uses
     spin locks to emulate the atomic64 operations is that they cannot
     be used in NMI context. As an NMI can trigger while holding the
     atomic64 spin locks it can try to take the same lock and cause a
     deadlock.

     Have the ring buffer fail recording events if in NMI context and
     the architecture uses the emulated atomic64 operations"

* tag 'trace-ringbuffer-v6.14-2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
  atomic64: Use arch_spin_locks instead of raw_spin_locks
  ring-buffer: Do not allow events in NMI with generic atomic64 cmpxchg()
 2025-01-23 18:02:55 -08:00
Linus Torvalds
7c1badb2a9 Remove calltime and rettime from fgraph infrastructure 
The calltime and rettime were used by the function graph tracer to
 calculate the timings of functions where it traced their entry and exit.
 The calltime and rettime were stored in the generic structures that
 were used for the mechanisms to add an entry and exit callback.
 
 Now that function graph infrastructure is used by other subsystems than
 just the tracer, the calltime and rettime are not needed for them.
 Remove the calltime and rettime from the generic fgraph infrastructure
 and have the callers that require them handle them.
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Merge tag 'ftrace-v6.14-2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace

Pull fgraph updates from Steven Rostedt:
 "Remove calltime and rettime from fgraph infrastructure

  The calltime and rettime were used by the function graph tracer to
  calculate the timings of functions where it traced their entry and
  exit. The calltime and rettime were stored in the generic structures
  that were used for the mechanisms to add an entry and exit callback.

  Now that function graph infrastructure is used by other subsystems
  than just the tracer, the calltime and rettime are not needed for
  them. Remove the calltime and rettime from the generic fgraph
  infrastructure and have the callers that require them handle them"

* tag 'ftrace-v6.14-2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
  fgraph: Remove calltime and rettime from generic operations
 2025-01-23 17:59:25 -08:00
Linus Torvalds
e8744fbc83 tracing updates for v6.14: 
- Cleanup with guard() and free() helpers
 
   There were several places in the code that had a lot of "goto out" in the
   error paths to either unlock a lock or free some memory that was
   allocated. But this is error prone. Convert the code over to use the
   guard() and free() helpers that let the compiler unlock locks or free
   memory when the function exits.
 
 - Update the Rust tracepoint code to use the C code too
 
   There was some duplication of the tracepoint code for Rust that did the
   same logic as the C code. Add a helper that makes it possible for both
   algorithms to use the same logic in one place.
 
 - Add poll to trace event hist files
 
   It is useful to know when an event is triggered, or even with some
   filtering. Since hist files of events get updated when active and the
   event is triggered, allow applications to poll the hist file and wake up
   when an event is triggered. This will let the application know that the
   event it is waiting for happened.
 
 - Add :mod: command to enable events for current or future modules
 
   The function tracer already has a way to enable functions to be traced in
   modules by writing ":mod:<module>" into set_ftrace_filter. That will
   enable either all the functions for the module if it is loaded, or if it
   is not, it will cache that command, and when the module is loaded that
   matches <module>, its functions will be enabled. This also allows init
   functions to be traced. But currently events do not have that feature.
 
   Add the command where if ':mod:<module>' is written into set_event, then
   either all the modules events are enabled if it is loaded, or cache it so
   that the module's events are enabled when it is loaded. This also works
   from the kernel command line, where "trace_event=:mod:<module>", when the
   module is loaded at boot up, its events will be enabled then.
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Merge tag 'trace-v6.14-3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace

Pull tracing updates from Steven Rostedt:

 - Cleanup with guard() and free() helpers

   There were several places in the code that had a lot of "goto out" in
   the error paths to either unlock a lock or free some memory that was
   allocated. But this is error prone. Convert the code over to use the
   guard() and free() helpers that let the compiler unlock locks or free
   memory when the function exits.

 - Update the Rust tracepoint code to use the C code too

   There was some duplication of the tracepoint code for Rust that did
   the same logic as the C code. Add a helper that makes it possible for
   both algorithms to use the same logic in one place.

 - Add poll to trace event hist files

   It is useful to know when an event is triggered, or even with some
   filtering. Since hist files of events get updated when active and the
   event is triggered, allow applications to poll the hist file and wake
   up when an event is triggered. This will let the application know
   that the event it is waiting for happened.

 - Add :mod: command to enable events for current or future modules

   The function tracer already has a way to enable functions to be
   traced in modules by writing ":mod:<module>" into set_ftrace_filter.
   That will enable either all the functions for the module if it is
   loaded, or if it is not, it will cache that command, and when the
   module is loaded that matches <module>, its functions will be
   enabled. This also allows init functions to be traced. But currently
   events do not have that feature.

   Add the command where if ':mod:<module>' is written into set_event,
   then either all the modules events are enabled if it is loaded, or
   cache it so that the module's events are enabled when it is loaded.
   This also works from the kernel command line, where
   "trace_event=:mod:<module>", when the module is loaded at boot up,
   its events will be enabled then.

* tag 'trace-v6.14-3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace: (26 commits)
  tracing: Fix output of set_event for some cached module events
  tracing: Fix allocation of printing set_event file content
  tracing: Rename update_cache() to update_mod_cache()
  tracing: Fix #if CONFIG_MODULES to #ifdef CONFIG_MODULES
  selftests/ftrace: Add test that tests event :mod: commands
  tracing: Cache ":mod:" events for modules not loaded yet
  tracing: Add :mod: command to enabled module events
  selftests/tracing: Add hist poll() support test
  tracing/hist: Support POLLPRI event for poll on histogram
  tracing/hist: Add poll(POLLIN) support on hist file
  tracing: Fix using ret variable in tracing_set_tracer()
  tracepoint: Reduce duplication of __DO_TRACE_CALL
  tracing/string: Create and use __free(argv_free) in trace_dynevent.c
  tracing: Switch trace_stat.c code over to use guard()
  tracing: Switch trace_stack.c code over to use guard()
  tracing: Switch trace_osnoise.c code over to use guard() and __free()
  tracing: Switch trace_events_synth.c code over to use guard()
  tracing: Switch trace_events_filter.c code over to use guard()
  tracing: Switch trace_events_trigger.c code over to use guard()
  tracing: Switch trace_events_hist.c code over to use guard()
  ...
 2025-01-23 17:51:16 -08:00
Linus Torvalds
7f71554b4e ktest updates for v6.14: 
- Fix use of KERNEL_VERSION in newly created output directory
 
   If a new output directory is created (O=/dir), and one of the options uses
   KERNEL_VERSION which will run a "make kernelversion" in the output
   directory, it will fail because there is no config file yet. In this case,
   have it do a "make allnoconfig" which is the minimal needed to run the
   "make kernelversion".
 
 - Remove unused variables
 
 - Fix some typos
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Merge tag 'ktest-6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-ktest

Pull ktest updates from Steven Rostedt:

 - Fix use of KERNEL_VERSION in newly created output directory

   If a new output directory is created (O=/dir), and one of the options
   uses KERNEL_VERSION which will run a "make kernelversion" in the
   output directory, it will fail because there is no config file yet.

   In this case, have it do a "make allnoconfig" which is the minimal
   needed to run the "make kernelversion".

 - Remove unused variables

 - Fix some typos

* tag 'ktest-6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-ktest:
  ktest.pl: Fix typo "accesing"
  ktest.pl: Fix typo in comment
  ktest.pl: Remove unused declarations in run_bisect_test function
  ktest.pl: Check kernelrelease return in get_version
 2025-01-23 17:45:24 -08:00
Linus Torvalds
544521d621 Probes updates for v6.14: 
- kprobes: Cleanups using guard() and __free(): Use cleanup.h macros
   to cleanup code and remove all gotos from kprobes code. This work
   includes below changes.
   . kprobes: Adopt guard() and scoped_guard()
   . jump_label: Define guard() for jump_label_lock
   . kprobes: Use guard() for external locks
   . kprobes: Use guard for rcu_read_lock
   . kprobes: Remove unneeded goto
   . kprobes: Remove remaining gotos
 
 - tracing/probes: Also cleanups tracing/*probe events code with guard()
   and __free(). These patches are just to simplify the parser codes.
   This work includes below changes.
   . tracing/kprobe: Adopt guard() and scoped_guard()
   . tracing/uprobe: Adopt guard() and scoped_guard()
   . tracing/eprobe: Adopt guard() and scoped_guard()
   . tracing: Use __free() in trace_probe for cleanup
   . tracing: Use __free() for kprobe events to cleanup
   . tracing/kprobes: Simplify __trace_kprobe_create() by removing gotos
 
 - kprobes: Reduce preempt disable scope in check_kprobe_access_safe()
   This reduces preempt disable time only when getting the module
   refcount in check_kprobe_access_safe(). Previously it disabled
   preempt needlessly for other checks including
   jump_label_text_reserved(), but it took long time because of
   the linear search.
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Merge tag 'probes-v6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace

Pull probes updates from Masami Hiramatsu:

 - kprobes: Cleanups using guard() and __free(): Use cleanup.h macros to
   cleanup code and remove all gotos from kprobes code.

 - tracing/probes: Also cleanups tracing/*probe events code with guard()
   and __free(). These patches are just to simplify the parser codes.

 - kprobes: Reduce preempt disable scope in check_kprobe_access_safe()

   This reduces preempt disable time to only when getting the module
   refcount in check_kprobe_access_safe().

   Previously it disabled preempt needlessly for other checks including
   jump_label_text_reserved(), which took a long time because of the
   linear search.

* tag 'probes-v6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
  tracing/kprobes: Simplify __trace_kprobe_create() by removing gotos
  tracing: Use __free() for kprobe events to cleanup
  tracing: Use __free() in trace_probe for cleanup
  kprobes: Remove remaining gotos
  kprobes: Remove unneeded goto
  kprobes: Use guard for rcu_read_lock
  kprobes: Use guard() for external locks
  jump_label: Define guard() for jump_label_lock
  tracing/eprobe: Adopt guard() and scoped_guard()
  tracing/uprobe: Adopt guard() and scoped_guard()
  tracing/kprobe: Adopt guard() and scoped_guard()
  kprobes: Adopt guard() and scoped_guard()
  kprobes: Reduce preempt disable scope in check_kprobe_access_safe()
 2025-01-23 17:24:20 -08:00
Linus Torvalds
e0b1f59142 twenty three ksmbd server fixes, many DFS related 
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Merge tag 'v6.14-rc-smb3-client-fixes-part' of git://git.samba.org/sfrench/cifs-2.6

Pull smb client updates from Steve French:

 - Fix oops in DebugData when link speed 0

 - Two reparse point fixes

 - Ten DFS (global namespace) fixes

 - Symlink error handling fix

 - Two SMB1 fixes

 - Four cleanup fixes

 - Improved debugging of status codes

 - Fix incorrect output of tracepoints for compounding, and add missing
   compounding tracepoint

* tag 'v6.14-rc-smb3-client-fixes-part' of git://git.samba.org/sfrench/cifs-2.6: (23 commits)
  smb: client: handle lack of EA support in smb2_query_path_info()
  smb: client: don't check for @leaf_fullpath in match_server()
  smb: client: get rid of TCP_Server_Info::refpath_lock
  cifs: Remove duplicate struct reparse_symlink_data and SYMLINK_FLAG_RELATIVE
  cifs: Do not attempt to call CIFSGetSrvInodeNumber() without CAP_INFOLEVEL_PASSTHRU
  cifs: Do not attempt to call CIFSSMBRenameOpenFile() without CAP_INFOLEVEL_PASSTHRU
  cifs: Remove declaration of dead CIFSSMBQuerySymLink function
  cifs: Fix printing Status code into dmesg
  cifs: Add missing NT_STATUS_* codes from nterr.h to nterr.c
  cifs: Fix endian types in struct rfc1002_session_packet
  cifs: Use cifs_autodisable_serverino() for disabling CIFS_MOUNT_SERVER_INUM in readdir.c
  smb3: add missing tracepoint for querying wsl EAs
  smb: client: fix order of arguments of tracepoints
  smb: client: fix oops due to unset link speed
  smb: client: correctly handle ErrorContextData as a flexible array
  smb: client: don't retry DFS targets on server shutdown
  smb: client: fix return value of parse_dfs_referrals()
  smb: client: optimize referral walk on failed link targets
  smb: client: provide dns_resolve_{unc,name} helpers
  smb: client: parse DNS domain name from domain= option
  ...
 2025-01-23 17:05:45 -08:00
Linus Torvalds
e814f3fd16 three ksmbd server fixes 
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Merge tag 'v6.14-rc-ksmbd-server-fixes' of git://git.samba.org/ksmbd

Pull smb server updates from Steve French:
 "Three ksmbd server fixes:

   - Fix potential memory corruption in IPC calls

   - Support FSCTL_QUERY_INTERFACE_INFO for more configurations

   - Remove some unused functions"

* tag 'v6.14-rc-ksmbd-server-fixes' of git://git.samba.org/ksmbd:
  ksmbd: fix integer overflows on 32 bit systems
  ksmbd: browse interfaces list on FSCTL_QUERY_INTERFACE_INFO IOCTL
  ksmbd: Remove unused functions
 2025-01-23 17:00:11 -08:00
Linus Torvalds
8883957b3c \n 
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Merge tag 'fsnotify_hsm_for_v6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs

Pull fsnotify pre-content notification support from Jan Kara:
 "This introduces a new fsnotify event (FS_PRE_ACCESS) that gets
  generated before a file contents is accessed.

  The event is synchronous so if there is listener for this event, the
  kernel waits for reply. On success the execution continues as usual,
  on failure we propagate the error to userspace. This allows userspace
  to fill in file content on demand from slow storage. The context in
  which the events are generated has been picked so that we don't hold
  any locks and thus there's no risk of a deadlock for the userspace
  handler.

  The new pre-content event is available only for users with global
  CAP_SYS_ADMIN capability (similarly to other parts of fanotify
  functionality) and it is an administrator responsibility to make sure
  the userspace event handler doesn't do stupid stuff that can DoS the
  system.

  Based on your feedback from the last submission, fsnotify code has
  been improved and now file->f_mode encodes whether pre-content event
  needs to be generated for the file so the fast path when nobody wants
  pre-content event for the file just grows the additional file->f_mode
  check. As a bonus this also removes the checks whether the old
  FS_ACCESS event needs to be generated from the fast path. Also the
  place where the event is generated during page fault has been moved so
  now filemap_fault() generates the event if and only if there is no
  uptodate folio in the page cache.

  Also we have dropped FS_PRE_MODIFY event as current real-world users
  of the pre-content functionality don't really use it so let's start
  with the minimal useful feature set"

* tag 'fsnotify_hsm_for_v6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs: (21 commits)
  fanotify: Fix crash in fanotify_init(2)
  fs: don't block write during exec on pre-content watched files
  fs: enable pre-content events on supported file systems
  ext4: add pre-content fsnotify hook for DAX faults
  btrfs: disable defrag on pre-content watched files
  xfs: add pre-content fsnotify hook for DAX faults
  fsnotify: generate pre-content permission event on page fault
  mm: don't allow huge faults for files with pre content watches
  fanotify: disable readahead if we have pre-content watches
  fanotify: allow to set errno in FAN_DENY permission response
  fanotify: report file range info with pre-content events
  fanotify: introduce FAN_PRE_ACCESS permission event
  fsnotify: generate pre-content permission event on truncate
  fsnotify: pass optional file access range in pre-content event
  fsnotify: introduce pre-content permission events
  fanotify: reserve event bit of deprecated FAN_DIR_MODIFY
  fanotify: rename a misnamed constant
  fanotify: don't skip extra event info if no info_mode is set
  fsnotify: check if file is actually being watched for pre-content events on open
  fsnotify: opt-in for permission events at file open time
  ...
 2025-01-23 13:36:06 -08:00
Linus Torvalds
fb6fec6bdd \n 
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Merge tag 'fs_for_v6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs

Pull isofs update from Jan Kara:
 "Partial conversion of isofs to folios"

* tag 'fs_for_v6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
  isofs: Partially convert zisofs_read_folio to use a folio
 2025-01-23 13:19:46 -08:00
Linus Torvalds
113385c5cc \n 
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Merge tag 'fsnotify_for_v6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs

Pull inotify update from Jan Kara:
 "A small inotify strcpy() cleanup"

* tag 'fsnotify_for_v6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
  inotify: Use strscpy() for event->name copies
 2025-01-23 13:10:38 -08:00
Linus Torvalds
b477ff98d9 New XFS code for 6.14 
* Implement reflink support for the realtime device
 * Implement reverse-mapping support for the realtime device
 * Several bug fixes and cleanups
 
 Signed-off-by: Carlos Maiolino <cem@kernel.org>
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Merge tag 'xfs-merge-6.14' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux

Pull XFS updates from Carlos Maiolino:
 "This is mostly focused on the implementation of reflink and
  reverse-mapping support for XFS's real-time devices.

  It also includes several bugfixes.

   - Implement reflink support for the realtime device

   - Implement reverse-mapping support for the realtime device

   - Several bug fixes and cleanups"

* tag 'xfs-merge-6.14' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux: (121 commits)
  xfs: fix buffer lookup vs release race
  xfs: check for dead buffers in xfs_buf_find_insert
  xfs: add a b_iodone callback to struct xfs_buf
  xfs: move b_li_list based retry handling to common code
  xfs: simplify xfsaild_resubmit_item
  xfs: always complete the buffer inline in xfs_buf_submit
  xfs: remove the extra buffer reference in xfs_buf_submit
  xfs: move invalidate_kernel_vmap_range to xfs_buf_ioend
  xfs: simplify buffer I/O submission
  xfs: move in-memory buftarg handling out of _xfs_buf_ioapply
  xfs: move write verification out of _xfs_buf_ioapply
  xfs: remove xfs_buf_delwri_submit_buffers
  xfs: simplify xfs_buf_delwri_pushbuf
  xfs: move xfs_buf_iowait out of (__)xfs_buf_submit
  xfs: remove the incorrect comment about the b_pag field
  xfs: remove the incorrect comment above xfs_buf_free_maps
  xfs: fix a double completion for buffers on in-memory targets
  xfs/libxfs: replace kmalloc() and memcpy() with kmemdup()
  xfs: constify feature checks
  xfs: refactor xfs_fs_statfs
  ...
 2025-01-23 13:06:42 -08:00
Linus Torvalds
d0d106a2bd bpf-next-6.14 
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Merge tag 'bpf-next-6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next

Pull bpf updates from Alexei Starovoitov:
 "A smaller than usual release cycle.

  The main changes are:

   - Prepare selftest to run with GCC-BPF backend (Ihor Solodrai)

     In addition to LLVM-BPF runs the BPF CI now runs GCC-BPF in compile
     only mode. Half of the tests are failing, since support for
     btf_decl_tag is still WIP, but this is a great milestone.

   - Convert various samples/bpf to selftests/bpf/test_progs format
     (Alexis Lothoré and Bastien Curutchet)

   - Teach verifier to recognize that array lookup with constant
     in-range index will always succeed (Daniel Xu)

   - Cleanup migrate disable scope in BPF maps (Hou Tao)

   - Fix bpf_timer destroy path in PREEMPT_RT (Hou Tao)

   - Always use bpf_mem_alloc in bpf_local_storage in PREEMPT_RT (Martin
     KaFai Lau)

   - Refactor verifier lock support (Kumar Kartikeya Dwivedi)

     This is a prerequisite for upcoming resilient spin lock.

   - Remove excessive 'may_goto +0' instructions in the verifier that
     LLVM leaves when unrolls the loops (Yonghong Song)

   - Remove unhelpful bpf_probe_write_user() warning message (Marco
     Elver)

   - Add fd_array_cnt attribute for prog_load command (Anton Protopopov)

     This is a prerequisite for upcoming support for static_branch"

* tag 'bpf-next-6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next: (125 commits)
  selftests/bpf: Add some tests related to 'may_goto 0' insns
  bpf: Remove 'may_goto 0' instruction in opt_remove_nops()
  bpf: Allow 'may_goto 0' instruction in verifier
  selftests/bpf: Add test case for the freeing of bpf_timer
  bpf: Cancel the running bpf_timer through kworker for PREEMPT_RT
  bpf: Free element after unlock in __htab_map_lookup_and_delete_elem()
  bpf: Bail out early in __htab_map_lookup_and_delete_elem()
  bpf: Free special fields after unlock in htab_lru_map_delete_node()
  tools: Sync if_xdp.h uapi tooling header
  libbpf: Work around kernel inconsistently stripping '.llvm.' suffix
  bpf: selftests: verifier: Add nullness elision tests
  bpf: verifier: Support eliding map lookup nullness
  bpf: verifier: Refactor helper access type tracking
  bpf: tcp: Mark bpf_load_hdr_opt() arg2 as read-write
  bpf: verifier: Add missing newline on verbose() call
  selftests/bpf: Add distilled BTF test about marking BTF_IS_EMBEDDED
  libbpf: Fix incorrect traversal end type ID when marking BTF_IS_EMBEDDED
  libbpf: Fix return zero when elf_begin failed
  selftests/bpf: Fix btf leak on new btf alloc failure in btf_distill test
  veristat: Load struct_ops programs only once
  ...
 2025-01-23 08:04:07 -08:00
Linus Torvalds
754916d4a2 capabilities patches for 6.14-rc1 
This branch contains basically the same two patches as last time:
 
 1. A patch by Paul Moore to remove the cap_mmap_file() hook, as it simply
    returned the default return value and so doesn't need to exist.
 2. A patch by Jordan Rome to add a trace event for cap_capable(), updated
    to address your feedback during the last cycle.
 
 Both patches have been sitting in linux-next since 6.13-rc1 with no
 issues.
 
 Signed-off-by: Serge E. Hallyn <serge@hallyn.com>
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Merge tag 'caps-6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/sergeh/linux

Pull capabilities updates from Serge Hallyn:

 - remove the cap_mmap_file() hook, as it simply returned the default
   return value and so doesn't need to exist (Paul Moore)

 - add a trace event for cap_capable() (Jordan Rome)

* tag 'caps-6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/sergeh/linux:
  security: add trace event for cap_capable
  capabilities: remove cap_mmap_file()
 2025-01-23 08:00:16 -08:00
Linus Torvalds
21266b8df5 AT_EXECVE_CHECK introduction for v6.14-rc1 
- Implement AT_EXECVE_CHECK flag to execveat(2) (Mickaël Salaün)
 
 - Implement EXEC_RESTRICT_FILE and EXEC_DENY_INTERACTIVE securebits
   (Mickaël Salaün)
 
 - Add selftests and samples for AT_EXECVE_CHECK (Mickaël Salaün)
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Merge tag 'AT_EXECVE_CHECK-v6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux

Pull AT_EXECVE_CHECK from Kees Cook:

 - Implement AT_EXECVE_CHECK flag to execveat(2) (Mickaël Salaün)

 - Implement EXEC_RESTRICT_FILE and EXEC_DENY_INTERACTIVE securebits
   (Mickaël Salaün)

 - Add selftests and samples for AT_EXECVE_CHECK (Mickaël Salaün)

* tag 'AT_EXECVE_CHECK-v6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
  ima: instantiate the bprm_creds_for_exec() hook
  samples/check-exec: Add an enlighten "inc" interpreter and 28 tests
  selftests: ktap_helpers: Fix uninitialized variable
  samples/check-exec: Add set-exec
  selftests/landlock: Add tests for execveat + AT_EXECVE_CHECK
  selftests/exec: Add 32 tests for AT_EXECVE_CHECK and exec securebits
  security: Add EXEC_RESTRICT_FILE and EXEC_DENY_INTERACTIVE securebits
  exec: Add a new AT_EXECVE_CHECK flag to execveat(2)
 2025-01-22 20:34:42 -08:00
Linus Torvalds
5ab889facc hardening updates for v6.14-rc1 
- stackleak: Use str_enabled_disabled() helper (Thorsten Blum)
 
 - Document GCC INIT_STACK_ALL_PATTERN behavior (Geert Uytterhoeven)
 
 - Add task_prctl_unknown tracepoint (Marco Elver)
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Merge tag 'hardening-v6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux

Pull hardening updates from Kees Cook:

 - stackleak: Use str_enabled_disabled() helper (Thorsten Blum)

 - Document GCC INIT_STACK_ALL_PATTERN behavior (Geert Uytterhoeven)

 - Add task_prctl_unknown tracepoint (Marco Elver)

* tag 'hardening-v6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
  hardening: Document INIT_STACK_ALL_PATTERN behavior with GCC
  stackleak: Use str_enabled_disabled() helper in stack_erasing_sysctl()
  tracing: Remove pid in task_rename tracing output
  tracing: Add task_prctl_unknown tracepoint
 2025-01-22 20:29:53 -08:00
Linus Torvalds
ad2aec7c96 Small changes for improving usability. 
Tetsuo Handa (3):
   tomoyo: automatically use patterns for several situations in learning mode
   tomoyo: use realpath if symlink's pathname refers to procfs
   tomoyo: don't emit warning in tomoyo_write_control()
 
  security/tomoyo/common.c |   32 +++++++++++++++++++++++++++++++-
  security/tomoyo/domain.c |   11 +++++++++--
  2 files changed, 40 insertions(+), 3 deletions(-)
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Merge tag 'tomoyo-pr-20250123' of git://git.code.sf.net/p/tomoyo/tomoyo

Pull tomoyo updates from Tetsuo Handa:
 "Small changes to improve usability"

* tag 'tomoyo-pr-20250123' of git://git.code.sf.net/p/tomoyo/tomoyo:
  tomoyo: automatically use patterns for several situations in learning mode
  tomoyo: use realpath if symlink's pathname refers to procfs
  tomoyo: don't emit warning in tomoyo_write_control()
 2025-01-22 20:25:00 -08:00
Linus Torvalds
de5817bbfb Landlock updates for v6.14-rc1 
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Merge tag 'landlock-6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux

Pull landlock updates from Mickaël Salaün:
 "This mostly factors out some Landlock code and prepares for upcoming
  audit support.

  Because files with invalid modes might be visible after filesystem
  corruption, Landlock now handles those weird files too.

  A few sample and test issues are also fixed"

* tag 'landlock-6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux:
  selftests/landlock: Add layout1.umount_sandboxer tests
  selftests/landlock: Add wrappers.h
  selftests/landlock: Fix error message
  landlock: Optimize file path walks and prepare for audit support
  selftests/landlock: Add test to check partial access in a mount tree
  landlock: Align partial refer access checks with final ones
  landlock: Simplify initially denied access rights
  landlock: Move access types
  landlock: Factor out check_access_path()
  selftests/landlock: Fix build with non-default pthread linking
  landlock: Use scoped guards for ruleset in landlock_add_rule()
  landlock: Use scoped guards for ruleset
  landlock: Constify get_mode_access()
  landlock: Handle weird files
  samples/landlock: Fix possible NULL dereference in parse_path()
  selftests/landlock: Remove unused macros in ptrace_test.c
 2025-01-22 20:20:55 -08:00
Linus Torvalds
37b33c68b0 CRC updates for 6.14 
- Reorganize the architecture-optimized CRC32 and CRC-T10DIF code to be
   directly accessible via the library API, instead of requiring the
   crypto API.  This is much simpler and more efficient.
 
 - Convert some users such as ext4 to use the CRC32 library API instead
   of the crypto API.  More conversions like this will come later.
 
 - Add a KUnit test that tests and benchmarks multiple CRC variants.
   Remove older, less-comprehensive tests that are made redundant by
   this.
 
 - Add an entry to MAINTAINERS for the kernel's CRC library code.  I'm
   volunteering to maintain it.  I have additional cleanups and
   optimizations planned for future cycles.
 
 These patches have been in linux-next since -rc1.
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Merge tag 'crc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux

Pull CRC updates from Eric Biggers:

 - Reorganize the architecture-optimized CRC32 and CRC-T10DIF code to be
   directly accessible via the library API, instead of requiring the
   crypto API. This is much simpler and more efficient.

 - Convert some users such as ext4 to use the CRC32 library API instead
   of the crypto API. More conversions like this will come later.

 - Add a KUnit test that tests and benchmarks multiple CRC variants.
   Remove older, less-comprehensive tests that are made redundant by
   this.

 - Add an entry to MAINTAINERS for the kernel's CRC library code. I'm
   volunteering to maintain it. I have additional cleanups and
   optimizations planned for future cycles.

* tag 'crc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux: (31 commits)
  MAINTAINERS: add entry for CRC library
  powerpc/crc: delete obsolete crc-vpmsum_test.c
  lib/crc32test: delete obsolete crc32test.c
  lib/crc16_kunit: delete obsolete crc16_kunit.c
  lib/crc_kunit.c: add KUnit test suite for CRC library functions
  powerpc/crc-t10dif: expose CRC-T10DIF function through lib
  arm64/crc-t10dif: expose CRC-T10DIF function through lib
  arm/crc-t10dif: expose CRC-T10DIF function through lib
  x86/crc-t10dif: expose CRC-T10DIF function through lib
  crypto: crct10dif - expose arch-optimized lib function
  lib/crc-t10dif: add support for arch overrides
  lib/crc-t10dif: stop wrapping the crypto API
  scsi: target: iscsi: switch to using the crc32c library
  f2fs: switch to using the crc32 library
  jbd2: switch to using the crc32c library
  ext4: switch to using the crc32c library
  lib/crc32: make crc32c() go directly to lib
  bcachefs: Explicitly select CRYPTO from BCACHEFS_FS
  x86/crc32: expose CRC32 functions through lib
  x86/crc32: update prototype for crc32_pclmul_le_16()
  ...
 2025-01-22 19:55:08 -08:00
Linus Torvalds
9cb2bf599b Hi, 
Here's the keys changes for 6.14-rc1.
 
 BR, Jarkko
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Merge tag 'keys-next-6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd

Pull keys updates from Jarkko Sakkinen.

Avoid using stack addresses for sg lists. And a cleanup.

* tag 'keys-next-6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd:
  KEYS: trusted: dcp: fix improper sg use with CONFIG_VMAP_STACK=y
  keys: drop shadowing dead prototype
 2025-01-22 19:47:17 -08:00
Paulo Alcantara
3681c74d34 smb: client: handle lack of EA support in smb2_query_path_info() 
If the server doesn't support both EAs and reparse point in a file,
the SMB2_QUERY_INFO request will fail with either
STATUS_NO_EAS_ON_FILE or STATUS_EAS_NOT_SUPPORT in the compound chain,
so ignore it as long as reparse point isn't
IO_REPARSE_TAG_LX_(CHR|BLK), which would require the EAs to know about
major/minor numbers.

Reported-by: Pali Rohár <pali@kernel.org>
Signed-off-by: Paulo Alcantara (Red Hat) <pc@manguebit.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
 2025-01-22 20:13:49 -06:00
Paulo Alcantara
056e91cbc9 smb: client: don't check for @leaf_fullpath in match_server() 
The matching of DFS connections is already handled by @dfs_conn, so
remove @leaf_fullpath matching altogether.

Signed-off-by: Paulo Alcantara (Red Hat) <pc@manguebit.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
 2025-01-22 20:13:49 -06:00
Paulo Alcantara
0a9b00e5e5 smb: client: get rid of TCP_Server_Info::refpath_lock 
TCP_Server_Info::leaf_fullpath is allocated in cifs_get_tcp_session()
and never changed afterwards, so there is no need to serialize its
access.

Signed-off-by: Paulo Alcantara (Red Hat) <pc@manguebit.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
 2025-01-22 20:13:49 -06:00
Linus Torvalds
7004a2e46d linux_kselftest-nolibc-6.14-rc1 
- adds support for waitid()
 - uses waitid() over waitpid()
 - uses a pipe to in vfprintf tests
 - skips tests for unimplemented syscalls
 - renames riscv to riscv64
 - adds configurations for riscv32
 - adds detecting missing toolchain to run-tests.sh
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Merge tag 'linux_kselftest-nolibc-6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest

Pull nolibc updates from Shuah Khan:

 - add support for waitid()

 - use waitid() over waitpid()

 - use a pipe in vfprintf tests

 - skip tests for unimplemented syscalls

 - rename riscv to riscv64

 - add configurations for riscv32

 - add detecting missing toolchain to run-tests.sh

* tag 'linux_kselftest-nolibc-6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
  selftests/nolibc: add configurations for riscv32
  selftests/nolibc: rename riscv to riscv64
  selftests/nolibc: skip tests for unimplemented syscalls
  selftests/nolibc: use a pipe to in vfprintf tests
  selftests/nolibc: use waitid() over waitpid()
  tools/nolibc: add support for waitid()
  selftests/nolibc: run-tests.sh: detect missing toolchain
 2025-01-22 12:36:16 -08:00
Linus Torvalds
e8f17cb6f5 linux_kselftest-kunit-6.14-rc1 
- fixes struct completion warning
 - introduces autorun option
 - adds fallback for os.sched_getaffinity
 - enables hardware acceleration when available
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Merge tag 'linux_kselftest-kunit-6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest

Pull kunit updates from Shuah Khan:

 - fix struct completion warning

 - introduce autorun option

 - add fallback for os.sched_getaffinity

 - enable hardware acceleration when available

* tag 'linux_kselftest-kunit-6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
  kunit: Introduce autorun option
  kunit: enable hardware acceleration when available
  kunit: add fallback for os.sched_getaffinity
  kunit: platform: Resolve 'struct completion' warning
 2025-01-22 12:32:39 -08:00
Linus Torvalds
8fb1e2eed1 linux_kselftest-next-6.14-rc1 
- fixes, reporting improvements, and cleanup changes to several tests
 - adds support for DT_GNU_HASH to selftests/vDSO
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Merge tag 'linux_kselftest-next-6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest

Pull kselftest updates from Shuah Khan:

 - fixes, reporting improvements, and cleanup changes to several tests

 - add support for DT_GNU_HASH to selftests/vDSO

* tag 'linux_kselftest-next-6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
  selftests/rseq: Fix handling of glibc without rseq support
  selftests/resctrl: Discover SNC kernel support and adjust messages
  selftests/resctrl: Adjust effective L3 cache size with SNC enabled
  selftests/ftrace: Make uprobe test more robust against binary name
  selftests/ftrace: Fix to use remount when testing mount GID option
  selftests: tmpfs: Add kselftest support to tmpfs
  selftests: tmpfs: Add Test-skip if not run as root
  selftests: harness: fix printing of mismatch values in __EXPECT()
  selftests/ring-buffer: Add test for out-of-bound pgoff mapping
  selftests/run_kselftest.sh: Fix help string for --per-test-log
  selftests: acct: Add ksft_exit_skip if not running as root
  selftests: kselftest: Fix the wrong format specifier
  selftests: timers: clocksource-switch: Adapt progress to kselftest framework
  selftests/zram: gitignore output file
  selftests/filesystems: Add missing gitignore file
  selftests: Warn about skipped tests in result summary
  selftests: kselftest: Add ksft_test_result_xpass
  selftests/vDSO: support DT_GNU_HASH
  selftests/ipc: Remove unused variables
  selftest: media_tests: fix trivial UAF typo
 2025-01-22 12:30:20 -08:00
Linus Torvalds
88e969fc18 Input updates for v6.14-rc0 
- more conversions to the guard notation in the input core
 
 - a fix for NXP BBNSM power key driver to clean up wake IRQ after
   unbinding
 
 - several new vendor/device ID pairs added to xpad game controller
   driver
 
 - several drivers switched to using str_enable_disable and similar
   helpers instead of open-coding
 
 - add mapping for F23 to atkbd driver so that MS "Copilot" key shortcut
   works out of the box (if userspace is ready to handle it)
 
 - evbug input handler has been removed (debugging through evdev is
   strongly preferred to dumping all events into the kernel log).
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Merge tag 'input-for-v6.14-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input

Pull input updates from Dmitry Torokhov:

 - more conversions to the guard notation in the input core

 - a fix for NXP BBNSM power key driver to clean up wake IRQ after
   unbinding

 - several new vendor/device ID pairs added to xpad game controller
   driver

 - several drivers switched to using str_enable_disable and similar
   helpers instead of open-coding

 - add mapping for F23 to atkbd driver so that MS "Copilot" key shortcut
   works out of the box (if userspace is ready to handle it)

 - evbug input handler has been removed (debugging through evdev is
   strongly preferred to dumping all events into the kernel log).

* tag 'input-for-v6.14-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (22 commits)
  Input: synaptics - fix crash when enabling pass-through port
  Input: atkbd - map F23 key to support default copilot shortcut
  Input: xpad - add support for Nacon Evol-X Xbox One Controller
  Input: xpad - add unofficial Xbox 360 wireless receiver clone
  Input: xpad - add support for wooting two he (arm)
  Input: xpad - improve name of 8BitDo controller 2dc8:3106
  Input: xpad - add QH Electronics VID/PID
  Input: joystick - use str_off_on() helper in sw_connect()
  Input: Use str_enable_disable-like helpers
  Input: use guard notation in input core
  Input: poller - convert locking to guard notation
  Input: mt - make use of __free() cleanup facility
  Input: mt - convert locking to guard notation
  Input: ff-memless - make use of __free() cleanup facility
  Input: ff-memless - convert locking to guard notation
  Input: ff-core - make use of __free() cleanup facility
  Input: ff-core - convert locking to guard notation
  Input: remove evbug driver
  Input: mma8450 - add chip ID check in probe
  Input: bbnsm_pwrkey - add remove hook
  ...
 2025-01-22 12:12:42 -08:00
Steven Rostedt
6c8ad3ab45 atomic64: Use arch_spin_locks instead of raw_spin_locks 
raw_spin_locks can be traced by lockdep or tracing itself. Atomic64
operations can be used in the tracing infrastructure. When an architecture
does not have true atomic64 operations it can use the generic version that
disables interrupts and uses spin_locks.

The tracing ring buffer code uses atomic64 operations for the time
keeping. But because some architectures use the default operations, the
locking inside the atomic operations can cause an infinite recursion.

As atomic64 implementation is architecture specific, it should not be
using raw_spin_locks() but instead arch_spin_locks as that is the purpose
of arch_spin_locks. To be used in architecture specific implementations of
generic infrastructure like atomic64 operations.

Note, by switching from raw_spin_locks to arch_spin_locks, the locks taken
to emulate the atomic64 operations will not have lockdep, mmio, or any
kind of checks done on them. They will not even disable preemption,
although the code will disable interrupts preventing the tasks that hold
the locks from being preempted. As the locks held are done so for very
short periods of time, and the logic is only done to emulate atomic64, not
having them be instrumented should not be an issue.

Cc: stable@vger.kernel.org
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Andreas Larsson <andreas@gaisler.com>
Link: https://lore.kernel.org/20250122144311.64392baf@gandalf.local.home
Fixes: c84897c0ff ("ring-buffer: Remove 32bit timestamp logic")
Closes: https://lore.kernel.org/all/86fb4f86-a0e4-45a2-a2df-3154acc4f086@gaisler.com/
Reported-by: Ludwig Rydberg <ludwig.rydberg@gaisler.com>
Reviewed-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
 2025-01-22 15:07:01 -05:00
Linus Torvalds
27c0278477 hid-for-linus-2025012001 
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Merge tag 'hid-for-linus-2025012001' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid

Pull HID updates from Jiri Kosina:

 - newly added support for Intel Touch Host Controller (Even Xu, Xinpeng
   Sun)

 - hid-core fix for long-standing syzbot-reported cornercase of
   Resolution Multiplier not being present in any of the Logical
   Collections in the device HID report descriptor (Alan Stern)

 - improvement of behavior for non-standard LED brightness values for
   Wacom driver (Jason Gerecke)

 - PCI Wacom device support (depends on Intel THC support) (Even Xu)

 - SteelSeries Arctis 9 support (Christian Mayer)

 - constification of 'struct bin_attribute' in various HID driver
   (Thomas Weißschuh)

 - other assorted code cleanups / fixes and device ID additions

* tag 'hid-for-linus-2025012001' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid: (63 commits)
  HID: hid-asus: Disable OOBE mode on the ProArt P16
  HID: steelseries: remove unnecessary return
  HID: steelseries: export model and manufacturer
  HID: steelseries: export charging state for the SteelSeries Arctis 9 headset
  HID: steelseries: add SteelSeries Arctis 9 support
  HID: steelseries: preparation for adding SteelSeries Arctis 9 support
  HID: intel-thc-hid: fix build errors in um mode
  HID: intel-thc-hid: intel-quicki2c: fix potential memory corruption
  HID: intel-thc-hid: intel-thc: Fix error code in thc_i2c_subip_init()
  HID: lenovo: Fix undefined platform_profile_cycle in ThinkPad X12 keyboard patch
  HID: uclogic: make const read-only array touch_ring_model_params_buf static
  HID: hid-steam: Make sure rumble work is canceled on removal
  HID: Wacom: Add PCI Wacom device support
  HID: intel-thc-hid: intel-quicki2c: Add PM implementation
  HID: intel-thc-hid: intel-quicki2c: Complete THC QuickI2C driver
  HID: intel-thc-hid: intel-quicki2c: Add HIDI2C protocol implementation
  HID: intel-thc-hid: intel-quicki2c: Add THC QuickI2C ACPI interfaces
  HID: intel-thc-hid: intel-quicki2c: Add THC QuickI2C driver hid layer
  HID: intel-thc-hid: intel-quicki2c: Add THC QuickI2C driver skeleton
  HID: intel-thc-hid: intel-quickspi: Add PM implementation
  ...
 2025-01-22 11:56:39 -08:00
Linus Torvalds
d78794d4f4 Thermal control updates for 6.14-rc1 
- Add support for Panther Lake processors in multiple places (Zhang
    Rui, Srinivas Pandruvada).
 
  - Remove explicit user_space governor selection from Intel thermal
    drivers (Srinivas Pandruvada).
 
  - Rename a few things and relocate a comment in the thermal
    subsystem (Rafael Wysocki).
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Merge tag 'thermal-6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull thermal control updates from Rafael Wysocki:
 "These add support for Intel Panther Lake processors in multiple
  places, modify Intel thermal drivers to stop selecting the user space
  thermal governor which is not necessary for them to work any more and
  clean up the thermal core somewhat:

   - Add support for Panther Lake processors in multiple places (Zhang
     Rui, Srinivas Pandruvada)

   - Remove explicit user_space governor selection from Intel thermal
     drivers (Srinivas Pandruvada)

   - Rename a few things and relocate a comment in the thermal subsystem
     (Rafael Wysocki)"

* tag 'thermal-6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  thermal: core: Rename function argument related to trip crossing
  thermal: gov_bang_bang: Relocate regulation logic description
  thermal: core: Rename callback functions in two governors
  thermal: intel: Fix compile issue when CONFIG_NET is not defined
  thermal: intel: int340x: Panther Lake power floor and workload hint support
  thermal: intel: int340x: Panther Lake DLVR support
  thermal: intel: Remove explicit user_space governor selection
  ACPI: DPTF: Support Panther Lake
  thermal: intel: int340x: processor: Enable MMIO RAPL for Panther Lake
  powercap: intel_rapl: Add support for Panther Lake platform
 2025-01-22 11:37:33 -08:00
Linus Torvalds
603f162a02 ACPI updates for 6.14-rc1 
- Use usleep_range() instead of msleep() in acpi_os_sleep() to reduce
    excessive delays due to timer inaccuracy, mostly affecting system
    suspend and resume (Rafael Wysocki).
 
  - Use str_enabled_disabled() string helpers in the ACPI tables parsing
    code to make it easier to follow (Sunil V L).
 
  - Update device properties parsing on systems using ACPI so that
    data firmware nodes resulting from _DSD evaluation are treated
    as available in firmware nodes walks (Sakari Ailus).
 
  - Fix missing guid_t declaration in linux/prmt.h (Robert Richter).
 
  - Update the GHES handling code to follow the global panic= policy
    instead of overriding it by force-rebooting the system after a
    fatal HW error has been reported (Borislav Petkov).
 
  - Update messages printed by the ACPI battery driver to always
    refer to driver extensions as "hooks" to avoid confusion with
    similar functionality in the power supply subsystem in the
    future (Thomas Weißschuh).
 
  - Fix .probe() error path cleanup in the ACPI fan driver to avoid
    memory leaks (Joe Hattori).
 
  - Constify 'struct bin_attribute' in some places in the ACPI subsystem
    and mark it as __ro_after_init in one place to prevent binary blob
    attributes from being updated (Thomas Weißschuh)
 
  - Add empty stubs for several ACPI-related symbols so that they can be
    used when CONFIG_ACPI is unset and use them for removing unnecessary
    conditional compilation from the ipu-bridge driver (Ricardo Ribalda).
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Merge tag 'acpi-6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI updates from Rafael Wysocki:
 "The most significant change here is replacing msleep() in
  acpi_os_sleep() with usleep_range() to reduce spurious sleep time due
  to timer inaccuracy which may spectacularly reduce the duration of
  system suspend and resume transitions on some systems.

  All of the other changes fall into the fixes and cleanups category
  this time.

  Specifics:

   - Use usleep_range() instead of msleep() in acpi_os_sleep() to reduce
     excessive delays due to timer inaccuracy, mostly affecting system
     suspend and resume (Rafael Wysocki)

   - Use str_enabled_disabled() string helpers in the ACPI tables
     parsing code to make it easier to follow (Sunil V L)

   - Update device properties parsing on systems using ACPI so that data
     firmware nodes resulting from _DSD evaluation are treated as
     available in firmware nodes walks (Sakari Ailus)

   - Fix missing guid_t declaration in linux/prmt.h (Robert Richter)

   - Update the GHES handling code to follow the global panic= policy
     instead of overriding it by force-rebooting the system after a
     fatal HW error has been reported (Borislav Petkov)

   - Update messages printed by the ACPI battery driver to always refer
     to driver extensions as "hooks" to avoid confusion with similar
     functionality in the power supply subsystem in the future (Thomas
     Weißschuh)

   - Fix .probe() error path cleanup in the ACPI fan driver to avoid
     memory leaks (Joe Hattori)

   - Constify 'struct bin_attribute' in some places in the ACPI
     subsystem and mark it as __ro_after_init in one place to prevent
     binary blob attributes from being updated (Thomas Weißschuh)

   - Add empty stubs for several ACPI-related symbols so that they can
     be used when CONFIG_ACPI is unset and use them for removing
     unnecessary conditional compilation from the ipu-bridge driver
     (Ricardo Ribalda)"

* tag 'acpi-6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  APEI: GHES: Have GHES honor the panic= setting
  ACPI: PRM: Fix missing guid_t declaration in linux/prmt.h
  ACPI: tables: Use string choice helpers
  ACPI: property: Consider data nodes as being available
  media: ipu-bridge: Remove unneeded conditional compilations
  ACPI: bus: implement acpi_device_hid when !ACPI
  ACPI: bus: implement for_each_acpi_consumer_dev when !ACPI
  ACPI: header: implement acpi_device_handle when !ACPI
  ACPI: bus: implement acpi_get_physical_device_location when !ACPI
  ACPI: bus: implement for_each_acpi_dev_match when !ACPI
  ACPI: bus: change the prototype for acpi_get_physical_device_location
  ACPI: fan: cleanup resources in the error path of .probe()
  ACPI: battery: Rename extensions to hook in messages
  ACPI: OSL: Use usleep_range() in acpi_os_sleep()
  ACPI: sysfs: Constify 'struct bin_attribute'
  ACPI: BGRT: Constify 'struct bin_attribute'
  ACPI: BGRT: Mark bin_attribute as __ro_after_init
 2025-01-22 11:28:39 -08:00
Linus Torvalds
f4b9d3bf44 Power management updates for 6.14-rc1 
- Use str_enable_disable()-like helpers in cpufreq (Krzysztof
    Kozlowski).
 
  - Extend the Apple cpufreq driver to support more SoCs (Hector Martin,
    Nick Chan).
 
  - Add new cpufreq driver for Airoha SoCs (Christian Marangi).
 
  - Fix using cpufreq-dt as module (Andreas Kemnade).
 
  - Minor fixes for Sparc, SCMI, and Qcom cpufreq drivers (Ethan Carter
    Edwards, Sibi Sankar, Manivannan Sadhasivam).
 
  - Fix the maximum supported frequency computation in the ACPI cpufreq
    driver to avoid relying on unfounded assumptions (Gautham Shenoy).
 
  - Fix an amd-pstate driver regression with preferred core rankings not
    being used (Mario Limonciello).
 
  - Fix a precision issue with frequency calculation in the amd-pstate
    driver (Naresh Solanki).
 
  - Add ftrace event to the amd-pstate driver for active mode (Mario
    Limonciello).
 
  - Set default EPP policy on Ryzen processors in amd-pstate (Mario
    Limonciello).
 
  - Clean up the amd-pstate cpufreq driver and optimize it to increase
    code reuse (Mario Limonciello, Dhananjay Ugwekar).
 
  - Use CPPC to get scaling factors between HWP performance levels and
    frequency in the intel_pstate driver and make it stop using a built
    -in scaling factor for Arrow Lake processors (Rafael Wysocki).
 
  - Make intel_pstate initialize epp_policy to CPUFREQ_POLICY_UNKNOWN for
    consistency with CPU offline (Christian Loehle).
 
  - Fix superfluous updates caused by need_freq_update in the schedutil
    cpufreq governor (Sultan Alsawaf).
 
  - Allow configuring the system suspend-resume (DPM) watchdog to warn
    earlier than panic (Douglas Anderson).
 
  - Implement devm_device_init_wakeup() helper and introduce a device-
    managed variant of dev_pm_set_wake_irq() (Joe Hattori, Peng Fan).
 
  - Remove direct inclusions of 'pm_wakeup.h' which should be only
    included via 'device.h' (Wolfram Sang).
 
  - Clean up two comments in the core system-wide PM code (Rafael
    Wysocki, Randy Dunlap).
 
  - Add Clearwater Forest processor support to the intel_idle cpuidle
    driver (Artem Bityutskiy).
 
  - Clean up the Exynos devfreq driver and devfreq core (Markus Elfring,
    Jeongjun Park).
 
  - Minor cleanups and fixes for OPP (Dan Carpenter, Neil Armstrong, Joe
    Hattori).
 
  - Implement dev_pm_opp_get_bw() (Neil Armstrong).
 
  - Expose OPP reference counting helpers for Rust (Viresh Kumar).
 
  - Fix TSC MHz calculation in cpupower (He Rongguang).
 
  - Add install and uninstall options to bindings Makefile and add header
    changes for cpufreq.h to SWIG bindings in cpupower (John B. Wyatt IV).
 
  - Add missing residency header changes in cpuidle.h to SWIG bindings in
    cpupower (John B. Wyatt IV).
 
  - Add output files to .gitignore and clean them up in "make clean" in
    selftests/cpufreq (Li Zhijian).
 
  - Fix cross-compilation in cpupower Makefile (Peng Fan).
 
  - Revise the is_valid flag handling for idle_monitor in the cpupower
    utility (wangfushuai).
 
  - Extend and clean up AMD processors support in cpupower (Mario
    Limonciello).
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Merge tag 'pm-6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management updates from Rafael Wysocki:
 "The majority of changes here are cpufreq updates which are dominated
  by amd-pstate driver changes, like in the previous cycle. Moreover,
  changes related to amd-pstate are also the majority of cpupower
  utility updates.

  Included are some pieces of new hardware support, like the addition of
  Clearwater Forest processors support to intel_idle, new cpufreq driver
  for Airoha SoCs, and Apple cpufreq driver extensions to support more
  SoCs. The intel_pstate driver is also extended to be able to support
  new platforms by using ACPI CPPC to compute scaling factors between
  HWP performance states and frequency.

  The rest is mostly fixes and cleanups in assorted pieces of power
  management code.

  Specifics:

   - Use str_enable_disable()-like helpers in cpufreq (Krzysztof
     Kozlowski)

   - Extend the Apple cpufreq driver to support more SoCs (Hector
     Martin, Nick Chan)

   - Add new cpufreq driver for Airoha SoCs (Christian Marangi)

   - Fix using cpufreq-dt as module (Andreas Kemnade)

   - Minor fixes for Sparc, SCMI, and Qcom cpufreq drivers (Ethan Carter
     Edwards, Sibi Sankar, Manivannan Sadhasivam)

   - Fix the maximum supported frequency computation in the ACPI cpufreq
     driver to avoid relying on unfounded assumptions (Gautham Shenoy)

   - Fix an amd-pstate driver regression with preferred core rankings
     not being used (Mario Limonciello)

   - Fix a precision issue with frequency calculation in the amd-pstate
     driver (Naresh Solanki)

   - Add ftrace event to the amd-pstate driver for active mode (Mario
     Limonciello)

   - Set default EPP policy on Ryzen processors in amd-pstate (Mario
     Limonciello)

   - Clean up the amd-pstate cpufreq driver and optimize it to increase
     code reuse (Mario Limonciello, Dhananjay Ugwekar)

   - Use CPPC to get scaling factors between HWP performance levels and
     frequency in the intel_pstate driver and make it stop using a
     built-in scaling factor for Arrow Lake processors (Rafael Wysocki)

   - Make intel_pstate initialize epp_policy to CPUFREQ_POLICY_UNKNOWN
     for consistency with CPU offline (Christian Loehle)

   - Fix superfluous updates caused by need_freq_update in the schedutil
     cpufreq governor (Sultan Alsawaf)

   - Allow configuring the system suspend-resume (DPM) watchdog to warn
     earlier than panic (Douglas Anderson)

   - Implement devm_device_init_wakeup() helper and introduce a device-
     managed variant of dev_pm_set_wake_irq() (Joe Hattori, Peng Fan)

   - Remove direct inclusions of 'pm_wakeup.h' which should be only
     included via 'device.h' (Wolfram Sang)

   - Clean up two comments in the core system-wide PM code (Rafael
     Wysocki, Randy Dunlap)

   - Add Clearwater Forest processor support to the intel_idle cpuidle
     driver (Artem Bityutskiy)

   - Clean up the Exynos devfreq driver and devfreq core (Markus
     Elfring, Jeongjun Park)

   - Minor cleanups and fixes for OPP (Dan Carpenter, Neil Armstrong,
     Joe Hattori)

   - Implement dev_pm_opp_get_bw() (Neil Armstrong)

   - Expose OPP reference counting helpers for Rust (Viresh Kumar)

   - Fix TSC MHz calculation in cpupower (He Rongguang)

   - Add install and uninstall options to bindings Makefile and add
     header changes for cpufreq.h to SWIG bindings in cpupower (John B.
     Wyatt IV)

   - Add missing residency header changes in cpuidle.h to SWIG bindings
     in cpupower (John B. Wyatt IV)

   - Add output files to .gitignore and clean them up in "make clean" in
     selftests/cpufreq (Li Zhijian)

   - Fix cross-compilation in cpupower Makefile (Peng Fan)

   - Revise the is_valid flag handling for idle_monitor in the cpupower
     utility (wangfushuai)

   - Extend and clean up AMD processors support in cpupower (Mario
     Limonciello)"

* tag 'pm-6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (67 commits)
  PM / OPP: Add reference counting helpers for Rust implementation
  PM: sleep: wakeirq: Introduce device-managed variant of dev_pm_set_wake_irq()
  cpufreq: Use str_enable_disable()-like helpers
  cpufreq: airoha: Add EN7581 CPUFreq SMCCC driver
  PM: sleep: Allow configuring the DPM watchdog to warn earlier than panic
  PM: sleep: convert comment from kernel-doc to plain comment
  cpufreq: ACPI: Fix max-frequency computation
  pm: cpupower: Add missing residency header changes in cpuidle.h to SWIG
  PM / devfreq: exynos: remove unused function parameter
  OPP: OF: Fix an OF node leak in _opp_add_static_v2()
  cpufreq/amd-pstate: Refactor max frequency calculation
  cpufreq/amd-pstate: Fix prefcore rankings
  pm: cpupower: Add header changes for cpufreq.h to SWIG bindings
  cpufreq: sparc: change kzalloc to kcalloc
  cpufreq: qcom: Implement clk_ops::determine_rate() for qcom_cpufreq* clocks
  cpufreq: qcom: Fix qcom_cpufreq_hw_recalc_rate() to query LUT if LMh IRQ is not available
  cpufreq: apple-soc: Add Apple A7-A8X SoC cpufreq support
  cpufreq: apple-soc: Set fallback transition latency to APPLE_DVFS_TRANSITION_TIMEOUT
  cpufreq: apple-soc: Increase cluster switch timeout to 400us
  cpufreq: apple-soc: Use 32-bit read for status register
  ...
 2025-01-22 11:16:14 -08:00
Linus Torvalds
df60eac9ef ipmi: Minor fixes and update my email address 
I'm switching to a new email address, so update that.  This is a new
 commit, but shouldn't be an issue.
 
 Minor fixes for formats and return values and missing ifdefs.
 
 A fix for some error handling that causes a loss of messages.
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Merge tag 'for-linus-6.14-1' of https://github.com/cminyard/linux-ipmi

Pull ipmi updates from Corey Minyard:

 - I'm switching to a new email address, so update that

 - Minor fixes for formats and return values and missing ifdefs

 - A fix for some error handling that causes a loss of messages

* tag 'for-linus-6.14-1' of https://github.com/cminyard/linux-ipmi:
  MAINTAINERS: ipmi: update my email address
  ipmi: ssif_bmc: Fix new request loss when bmc ready for a response
  ipmi: make ipmi_destroy_user() return void
  char:ipmi: Fix a not-used variable on a non-ACPI system
  char:ipmi: Fix the wrong format specifier
  ipmi: ipmb: Add check devm_kasprintf() returned value
 2025-01-22 10:57:57 -08:00
Linus Torvalds
641b0c64b8 A pretty quiet cycle this time around. We have a bunch of new Qualcomm clk 
drivers, per usual, and then a handful of drivers for other SoCs. Then the
 usual pile of cleanups is fairly small data fixes or converting DT bindings to
 YAML so they can be validated. No changes to the core framework besides an OF
 node refcount bump that never got decremented.
 
 New Drivers:
  - 5L35023 variant of Versa 3 clock generator
  - Various Qualcomm clk controllers: IPQ CMN PLL, SM6115 LPASS, SM750 global,
    tcsr, rpmh, and display. X Plus GPU and global. QCS615 rpmh and MSM8937 and
    MSM8940 RPM.
  - Qualcomm Pongo and Taycan Alpha PLLs
  - Qualcomm IPQ5424 NoC-related interconnect clks
  - Renesas RZ/G3E (R9A09G047) SoC clk driver
  - SAMA7D65 SoC clk driver
  - Samsung Exynos990 SoC clk driver
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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:
 "A pretty quiet cycle this time around. We have a bunch of new Qualcomm
  clk drivers, per usual, and then a handful of drivers for other SoCs.
  Then the usual pile of cleanups is fairly small data fixes or
  converting DT bindings to YAML so they can be validated.

  No changes to the core framework besides an OF node refcount bump that
  never got decremented.

  New Drivers:

   - 5L35023 variant of Versa 3 clock generator

   - Various Qualcomm clk controllers: IPQ CMN PLL, SM6115 LPASS, SM750
     global, tcsr, rpmh, and display. X Plus GPU and global. QCS615 rpmh
     and MSM8937 and MSM8940 RPM.

   - Qualcomm Pongo and Taycan Alpha PLLs

   - Qualcomm IPQ5424 NoC-related interconnect clks

   - Renesas RZ/G3E (R9A09G047) SoC clk driver

   - SAMA7D65 SoC clk driver

   - Samsung Exynos990 SoC clk driver"

* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (159 commits)
  clk: analogbits: Fix incorrect calculation of vco rate delta
  clk: bcm: rpi: Add disp clock
  clk: bcm: rpi: Create helper to retrieve private data
  clk: bcm: rpi: Enable minimize for all firmware clocks
  clk: bcm: rpi: Allow cpufreq driver to also adjust gpu clocks
  clk: bcm: rpi: Add ISP to exported clocks
  clk: stm32f4: support spread spectrum clock generation
  clk: stm32f4: use FIELD helpers to access the PLLCFGR fields
  dt-bindings: clock: st,stm32-rcc: support spread spectrum clocking
  dt-bindings: clock: convert stm32 rcc bindings to json-schema
  clk: Use str_enable_disable-like helpers
  clk: clk-loongson2: Fix the number count of clk provider
  clk: clk-loongson2: Switch to use devm_clk_hw_register_fixed_rate_parent_data()
  clk: starfive: Make _clk_get become a common helper function
  clk: en7523: Add clock for eMMC for EN7581
  dt-bindings: clock: add ID for eMMC for EN7581
  dt-bindings: clock: drop NUM_CLOCKS define for EN7581
  clk: en7523: Rework clock handling for different clock numbers
  clk: thead: Fix cpu2vp_clk for TH1520 AP_SUBSYS clocks
  clk: thead: Add CLK_IGNORE_UNUSED to fix TH1520 boot
  ...
 2025-01-22 10:54:18 -08:00
Linus Torvalds
abdebb2837 i2c-for-6.14-rc1 
Core:
 
 - list-based mechanisms for handling auto-detected and userspace created
   clients are replaced with a flag-based approach. The resulting code is
   much simpler as well as the locking.
 
 - i2c clients now get a default debugfs dir managed by the I2C core.
   Drivers don't have to maintain their own directory anymore.
 
 Drivers:
 
 - xiic gains atomic_transfer support
 - imx-lpi2c gains DMA and target mode support
 - riic gets a collection of cleanups
 - npcm gets a better timeout handling and more precise frequency setups
 - davinci loses the unused platform_data
 
 The rest is regular driver updates and improvements.
 
 AT24:
 
 - add new compatibles for at24 variants from Giantec and Puya
   Semiconductor (together with a new vendor prefix)
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Merge tag 'i2c-for-6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux

Pull i2c updates from Wolfram Sang:
 "Core:

   - list-based mechanisms for handling auto-detected and userspace
     created clients are replaced with a flag-based approach. The
     resulting code is much simpler as well as the locking.

   - i2c clients now get a default debugfs dir managed by the I2C core.
     Drivers don't have to maintain their own directory anymore.

  Driver updates:

   - xiic: atomic_transfer support

   - imx-lpi2c: DMA and target mode support

   - riic cleanups

   - npcm: better timeout handling and more precise frequency setups

   - davinci: remove unused platform_data

   - at24: add new compatibles for variants from Giantec and Puya
     Semiconductor (together with a new vendor prefix)"

* tag 'i2c-for-6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (52 commits)
  i2c: add kdoc for the new debugfs entry of clients
  i2c: designware: Actually make use of the I2C_DW_COMMON and I2C_DW symbol namespaces
  i2c: add core-managed per-client directory in debugfs
  i2c: Force ELAN06FA touchpad I2C bus freq to 100KHz
  i2c: riic: Add `riic_bus_barrier()` to check bus availability
  i2c: riic: Use predefined macro and simplify clock tick calculation
  i2c: riic: Mark riic_irqs array as const
  i2c: riic: Make use of devres helper to request deasserted reset line
  i2c: riic: Use GENMASK() macro for bitmask definitions
  i2c: riic: Use BIT macro consistently
  i2c: riic: Use local `dev` pointer in `dev_err_probe()`
  i2c: riic: Use dev_err_probe in probe and riic_init_hw functions
  i2c: riic: Introduce a separate variable for IRQ
  i2c: amd756: Remove superfluous TODO
  Revert "i2c: amd756: Fix endianness handling for word data"
  i2c: i801: Add lis3lv02d for Dell Precision M6800
  i2c: i801: Remove unnecessary PCI function call
  i2c: core: Allocate temp client on the stack in i2c_detect
  i2c: slave-eeprom: Constify 'struct bin_attribute'
  i2c: imx-lpi2c: make controller available until the system enters suspend_noirq() and from resume_noirq().
  ...
 2025-01-22 10:47:46 -08:00
Linus Torvalds
d12f68b5ba pwm: Changes for v6.14-rc1 
This time there are very little changes for pwm. There is nothing new,
 just a few maintenance cleanups.
 
 The contributors this time around were Krzysztof Kozlowski, Mingwei
 Zheng, Philipp Stanner, and Stanislav Jakubek. Thanks!
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Merge tag 'pwm/for-6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ukleinek/linux

Pull pwm updates from Uwe Kleine-König:
 "This time there are very little changes for pwm. There is nothing new,
  just a few maintenance cleanups.

  The contributors this time around were Krzysztof Kozlowski, Mingwei
  Zheng, Philipp Stanner, and Stanislav Jakubek. Thanks!"

* tag 'pwm/for-6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ukleinek/linux:
  pwm: stm32: Add check for clk_enable()
  dt-bindings: pwm: Correct indentation and style in DTS example
  pwm: stm32-lp: Add check for clk_enable()
  dt-bindings: pwm: marvell,berlin-pwm: Convert from txt to yaml
  dt-bindings: pwm: sprd,ums512-pwm: convert to YAML
  pwm: Replace deprecated PCI functions
 2025-01-22 10:43:09 -08:00
Linus Torvalds
2bf717b079 MMC core: 
- Share a helper to convert from crypto_profile to mmc_host
  - Respect quirk_max_rate for non-UHS SDIO card too
 
 MMC host:
  - Add DT bindings for the mmc-slot
  - Clarify DT bindings for the mmc-controller
  - bcm2835: Add support for system-wide suspend/resume PM
  - dw_mmc-exynos: Add support for the exynos8895 variant
  - meson-mx-sdio: Convert DT bindings to dtschema
  - mtk-sd: Fixup use of two register ranges
  - mtk-sd: Add support for ignoring cmd response CRC
  - sdhci-esdhc-imx: enable 'SDHCI_QUIRK_NO_LED' quirk for S32G
  - sdhci-msm: Correctly set the load for the regulator
  - sdhci-msm: Convert to use custom crypto profile
  - sdhci-of-at91: Add support for the microchip sama7d65 variant
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Merge tag 'mmc-v6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc

Pull MMC updates from Ulf Hansson:
 "MMC core:
   - Share a helper to convert from crypto_profile to mmc_host
   - Respect quirk_max_rate for non-UHS SDIO card too

  MMC host:
   - Add DT bindings for the mmc-slot
   - Clarify DT bindings for the mmc-controller
   - bcm2835: Add support for system-wide suspend/resume PM
   - dw_mmc-exynos: Add support for the exynos8895 variant
   - meson-mx-sdio: Convert DT bindings to dtschema
   - mtk-sd: Fixup use of two register ranges
   - mtk-sd: Add support for ignoring cmd response CRC
   - sdhci-esdhc-imx: enable 'SDHCI_QUIRK_NO_LED' quirk for S32G
   - sdhci-msm: Correctly set the load for the regulator
   - sdhci-msm: Convert to use custom crypto profile
   - sdhci-of-at91: Add support for the microchip sama7d65 variant"

* tag 'mmc-v6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: (25 commits)
  mmc: sdhci-msm: Correctly set the load for the regulator
  mmc: hi3798mv200: Use syscon_regmap_lookup_by_phandle_args
  mmc: Use of_property_present() for non-boolean properties
  dt-bindings: mmc: samsung,exynos-dw-mshc: add specific compatible for exynos8895
  mmc: sdhci-msm: convert to use custom crypto profile
  mmc: crypto: add mmc_from_crypto_profile()
  mmc: mtk-sd: Limit getting top_base to SoCs that require it
  dt-bindings: mmc: mtk-sd: Document compatibles that need two register ranges
  mmc: sdhci-acpi: Use devm_platform_ioremap_resource()
  mmc: sdhci-acpi: Remove not so useful error message
  dt-bindings: mmc: convert amlogic,meson-mx-sdio.txt to dtschema
  dt-bindings: mmc: document mmc-slot
  dt-bindings: mmc: controller: remove '|' when not needed
  dt-bindings: mmc: controller: move properties common with slot out to mmc-controller-common
  dt-bindings: mmc: controller: clarify the address-cells description
  mmc: bcm2835: add suspend/resume pm support
  dt-bindings: Drop Bhupesh Sharma from maintainers
  mmc: core: don't include 'pm_wakeup.h' directly
  mmc: mtk-sd: Add support for ignoring cmd response CRC
  mmc: core: Introduce the MMC_RSP_R1B_NO_CRC response
  ...
 2025-01-22 10:39:17 -08:00
Linus Torvalds
a4910ed25d hwmon updates for v6.14-rc1 
* New drivers
 
   - PMBus client driver for Intel CRPS185 power supply
 
   - PMBus client driver for Texas Instruments TPS25990
 
 * Chip support added to existing drivers
 
   - pmbus/max15301: Add support for MAX15303
 
   - pmbus/adm1275: Add adm1273 support
 
   - lm75: Add NXP P3T1755 support; with it, add I3C support to the driver
 
   - asus-ec-sensors: Add TUF GAMING X670E PLUS
 
 * Other notable changes
 
    - nct6683: Add customer IDs for several MSI and ASRock boards
 
    - tmp108: Add regulator support
 
    - Improve write protect support in PMBus core
 
    - pmbus/dps920ab: Add ability to instantiate through i2c
 
    - The hwmon core now accepts NULL as device name parameter to
      [devm_]hwmon_device_register_with_info ans uses the parent device
      name as fallback in that case
 
    - The PMBus core now provides the PMBUs revision in a debugfs file
 
    - asus-ec-sensors: Support for optional CPU fan on AMD 600 motherboards
 
    - raspberrypi: Add PM suspend/resume support
 
    - dell-smm: Enable manual fan control support on Dell XPS 9370
 
    - pwm-fan: Default to maximum cooling level if provided
 
 * Various other minor fixes and improvements
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Merge tag 'hwmon-for-v6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull hwmon updates from Guenter Roeck:
 "New drivers:

   - PMBus client driver for Intel CRPS185 power supply

   - PMBus client driver for Texas Instruments TPS25990

  Chip support added to existing drivers:

   - pmbus/max15301: Add support for MAX15303

   - pmbus/adm1275: Add adm1273 support

   - lm75: Add NXP P3T1755 support; with it, add I3C support to the
     driver

   - asus-ec-sensors: Add TUF GAMING X670E PLUS

  Other notable changes:

   - nct6683: Add customer IDs for several MSI and ASRock boards

   - tmp108: Add regulator support

   - Improve write protect support in PMBus core

   - pmbus/dps920ab: Add ability to instantiate through i2c

   - The hwmon core now accepts NULL as device name parameter to
     [devm_]hwmon_device_register_with_info ans uses the parent device
     name as fallback in that case

   - The PMBus core now provides the PMBUs revision in a debugfs file

   - asus-ec-sensors: Support for optional CPU fan on AMD 600
     motherboards

   - raspberrypi: Add PM suspend/resume support

   - dell-smm: Enable manual fan control support on Dell XPS 9370

   - pwm-fan: Default to maximum cooling level if provided

  And various other minor fixes and improvements"

* tag 'hwmon-for-v6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (44 commits)
  hwmon: pmbus: dps920ab: Add ability to instantiate through i2c
  hwmon: (pwm-fan) Default to the Maximum cooling level if provided
  hwmon: (asus_atk0110) Use str_enabled_disabled() and str_enable_disable() helpers
  hwmon: Fix help text for aspeed-g6-pwm-tach
  hwmon: (dell-smm) Add Dell XPS 9370 to fan control whitelist
  hwmon: (acpi_power_meter) Fix update the power trip points on failure
  hwmon: (acpi_power_meter) Fix uninitialized variables
  hwmon: (core) Use device name as a fallback in devm_hwmon_device_register_with_info
  hwmon: (pmbus/max15301) Add support for MAX15303
  hwmon: (pmbus/adm1275) add adm1273 support
  dt-bindings: hwmon: adm1275: add adm1273
  hwmon: (nct6683) Add another customer ID for MSI
  hwmon: (pwm-fan): Make use of device properties everywhere
  hwmon: (lm75) add I3C support for P3T1755
  hwmon: (lm75) separate probe into common and I2C parts
  hwmon: (lm75) Remove superfluous 'client' member from private struct
  hwmon: (lm75) simplify regulator handling
  hwmon: (lm75) simplify lm75_write_config()
  hwmon: (lm75) Hide register size differences in regmap access functions
  hwmon: (pmbus/crps) Add Intel CRPS185 power supply
  ...
 2025-01-22 10:16:48 -08:00
Linus Torvalds
11a7b03346 - Allow struct bin_attribute instances to be placed in read-only memory for enhanced protection. 
- Fix a memory leak in the cht-wcove driver by using devm_led_classdev_register().
 - Fix an OF node reference leak in the netxbig driver.
 - Ensure PWM is disabled properly in pwm-multicolor suspend.
 - Add support for Texas Instruments LP8864, LP8864S, LP8866 LED-backlight drivers.
 - Add support for STMicroelectronics's LED1202 12-channel LED driver.
 - Convert LP8860 bindings to YAML format.
 - Add bindings for the TI LP8864/LP8866 LED drivers.
 - Add LED1202 LED controller bindings.
 - Fix path to color definitions in leds-class-multicolor.yaml.
 - Add pm660l compatible to qcom,spmi-flash-led bindings.
 - Extend cznic,turris-omnia-leds binding with interrupts property.
 - Add documentation for the STMicroelectronics LED1202 driver.
 - Add entry for AAEON UP board FPGA drivers in MAINTAINERS.
 - Fix a wrong format specifier in the ledtrig-activity driver.
 - Fix a bug in the lp8860 driver where only half of the EEPROM was written.
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Merge tag 'leds-next-6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/leds

Pull LED updates from Lee Jones:

 - Allow struct bin_attribute instances to be placed in read-only memory
   for enhanced protection

 - Fix a memory leak in the cht-wcove driver by using
   devm_led_classdev_register()

 - Fix an OF node reference leak in the netxbig driver

 - Ensure PWM is disabled properly in pwm-multicolor suspend

 - Add support for Texas Instruments LP8864, LP8864S, LP8866
   LED-backlight drivers

 - Add support for STMicroelectronics's LED1202 12-channel LED driver

 - Convert LP8860 bindings to YAML format

 - Add bindings for the TI LP8864/LP8866 LED drivers

 - Add LED1202 LED controller bindings

 - Fix path to color definitions in leds-class-multicolor.yaml

 - Add pm660l compatible to qcom,spmi-flash-led bindings

 - Extend cznic,turris-omnia-leds binding with interrupts property

 - Add documentation for the STMicroelectronics LED1202 driver

 - Add entry for AAEON UP board FPGA drivers in MAINTAINERS

 - Fix a wrong format specifier in the ledtrig-activity driver

 - Fix a bug in the lp8860 driver where only half of the EEPROM was
   written

* tag 'leds-next-6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/leds: (28 commits)
  leds: triggers: Constify 'struct bin_attribute'
  leds: cht-wcove: Use devm_led_classdev_register() to avoid memory leak
  leds: lp8864: Add support for Texas Instruments LP8864, LP8864S, LP8866 LED-backlights
  dt-bindings: leds: Convert LP8860 into YAML format
  leds: Add LED1202 I2C driver
  dt-bindings: leds: Add LED1202 LED Controller
  Documentation:leds: Add leds-st1202.rst
  leds: pwm-multicolor: Disable PWM when going to suspend
  leds: netxbig: Fix an OF node reference leak in netxbig_leds_get_of_pdata()
  turris-omnia-mcu-interface.h: Move macro definitions outside of enums
  MAINTAINERS: Add entry for AAEON UP board FPGA drivers
  leds: Add AAEON UP board LED driver
  leds: trigger: netdev: Check offload ability on interface up
  leds: turris-omnia: Use uppercase first letter in all comments
  leds: turris-omnia: Use dev_err_probe() where appropriate
  leds: turris-omnia: Inform about missing LED gamma correction feature in the MCU driver
  platform: cznic: turris-omnia-mcu: Inform about missing LED panel brightness change interrupt feature
  leds: turris-omnia: Notify sysfs on MCU global LEDs brightness change
  leds: turris-omnia: Document driver private structures
  dt-bindings: leds: cznic,turris-omnia-leds: Allow interrupts property
  ...
 2025-01-22 09:19:36 -08:00
Linus Torvalds
909fd2b89f - Fix race in device_node_get_regmap() using more extensive locking. 
- Remove unused platform driver support for syscon.
 - Allow syscon nodes to be registered without a "syscon" compatible string.
 - Make `platform_data` pointer const in struct mfd_cell.
 - Revert support for multiple AXP PMICs to avoid regressions.
 - Increase SoundWire attach timeout and use gpiod_set_raw() for GPIO operation.
 - Store the result from fault_log() for use by other sub-components.
 - Fix an invalid regmap-config max_register value.
 - Add another Gemini Lake ISA bridge PCI device ID.
 - Use devm_register_power_off_handler() to simplify code.
 - Add support for QNAP microcontroller units, including LEDs, input, and hwmon.
 - Use MFD_CELL macros and remove unused code.
 - Add support for AAEON UP board FPGA.
 - Remove unused includes.
 - Fix various typos and compatibility issues in multiple bindings.
 - Add new bindings for rk3562 QoS, LED1202, and qcom,tcsr-ipq5424.
 - Convert several bindings to YAML schema.
 - Update sprd,sc2731 bindings to reference sprd,sc2731-efuse bindings directly.
 - Fix rohm,bd71815 bindings by correcting resistor values and typos.
 - Documentation improvements:
 - Add documentation for LED1202 and qnap-mcu-hwmon.
 - Adjust the file entry for the qnap-mcu header in MAINTAINERS.
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Merge tag 'mfd-next-6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd

Pull mfd updates from Lee Jones:

 - Fix race in device_node_get_regmap() using more extensive locking

 - Remove unused platform driver support for syscon

 - Allow syscon nodes to be registered without a "syscon" compatible
   string

 - Make `platform_data` pointer const in struct mfd_cell

 - Revert support for multiple AXP PMICs to avoid regressions

 - Increase SoundWire attach timeout and use gpiod_set_raw() for GPIO
   operation

 - Store the result from fault_log() for use by other sub-components

 - Fix an invalid regmap-config max_register value

 - Add another Gemini Lake ISA bridge PCI device ID

 - Use devm_register_power_off_handler() to simplify code

 - Add support for QNAP microcontroller units, including LEDs, input,
   and hwmon

 - Use MFD_CELL macros and remove unused code

 - Add support for AAEON UP board FPGA

 - Remove unused includes

 - Fix various typos and compatibility issues in multiple bindings

 - Add new bindings for rk3562 QoS, LED1202, and qcom,tcsr-ipq5424

 - Convert several bindings to YAML schema

 - Update sprd,sc2731 bindings to reference sprd,sc2731-efuse bindings
   directly

 - Fix rohm,bd71815 bindings by correcting resistor values and typos

 - Documentation improvements:
    - Add documentation for LED1202 and qnap-mcu-hwmon
    - Adjust the file entry for the qnap-mcu header in MAINTAINERS

* tag 'mfd-next-6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (35 commits)
  MAINTAINERS: Adjust the file entry for the qnap-mcu header
  dt-bindings: mfd: syscon: Fix ti,j784s4-acspcie-proxy-ctrl compatible
  dt-bindings: mfd: syscon: Fix al,alpine-sysfabric-service compatible
  Revert "mfd: axp20x: Allow multiple regulators"
  dt-bindings: mfd: syscon: Add rk3562 QoS register compatible
  mfd: syscon: Allow syscon nodes without a "syscon" compatible
  mfd: syscon: Remove the platform driver support
  mfd: syscon: Fix race in device_node_get_regmap()
  dt-bindings: mfd: atmel: Convert to YAML schema
  dt-bindings: mfd: atmel,at91sam9260: Convert to YAML schema
  dt-bindings: mfd: sprd,sc2731: Reference sprd,sc2731-efuse bindings
  mfd: tps65219: Remove unused macros & add regmap.h
  mfd: tps65219: Use MFD_CELL macros
  leds: Add LED1202 I2C driver
  dt-bindings: leds: Add LED1202 LED Controller
  Documentation:leds: Add leds-st1202.rst
  mfd: Add support for AAEON UP board FPGA
  mfd: da9052: Store result from fault_log
  mfd: intel_soc_pmic_chtdc_ti: Fix invalid regmap-config max_register value
  mfd: cs42l43: Use devres for remove as well
  ...
 2025-01-22 09:16:02 -08:00
Linus Torvalds
38f5265ed2 spi: Updates for v6.14 
This is a fairly quiet release for the most part, though we do have one
 really nice improvement in the spi-mem framework which will improve
 performance for flash devices especially when built on by changes in the
 MTD subsystem which are also due to be sent this merge window.  There's
 also been some substantial work on some of the drivers, highlights
 include:
 
  - Support for per-operation bus frequency in the spi-mem framework,
    meaning speeds are no longer limited by the slowest operation.
  - ACPI support and improved power management for Rockchip SFC
    controllers.
  - Support for Atmel SAM7G5 QuadSPI and KEBA SPI controllers.
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Merge tag 'spi-v6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi

Pull spi updates from Mark Brown:
 "This is a fairly quiet release for the most part, though we do have
  one really nice improvement in the spi-mem framework which will
  improve performance for flash devices especially when built on by
  changes in the MTD subsystem which are also due to be sent this merge
  window.

  There's also been some substantial work on some of the drivers,
  highlights include:

   - Support for per-operation bus frequency in the spi-mem framework,
     meaning speeds are no longer limited by the slowest operation

   - ACPI support and improved power management for Rockchip SFC
     controllers

   - Support for Atmel SAM7G5 QuadSPI and KEBA SPI controllers"

* tag 'spi-v6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (49 commits)
  spi: pxa2xx: Introduce __lpss_ssp_update_priv() helper
  spi: ti-qspi: Use syscon_regmap_lookup_by_phandle_args
  spi: amd: Fix -Wuninitialized in amd_spi_exec_mem_op()
  spi: spi-mem: Estimate the time taken by operations
  spi: spi-mem: Create macros for DTR operation
  spi: spi-mem: Reorder spi-mem macro assignments
  spi: zynqmp-gqspi: Support per spi-mem operation frequency switches
  spi: zynq-qspi: Support per spi-mem operation frequency switches
  spi: spi-ti-qspi: Support per spi-mem operation frequency switches
  spi: spi-sn-f-ospi: Support per spi-mem operation frequency switches
  spi: rockchip-sfc: Support per spi-mem operation frequency switches
  spi: nxp-fspi: Support per spi-mem operation frequency switches
  spi: mxic: Support per spi-mem operation frequency switches
  spi: mt65xx: Support per spi-mem operation frequency switches
  spi: microchip-core-qspi: Support per spi-mem operation frequency switches
  spi: fsl-qspi: Support per spi-mem operation frequency switches
  spi: dw: Support per spi-mem operation frequency switches
  spi: cadence-qspi: Support per spi-mem operation frequency switches
  spi: amlogic-spifc-a1: Support per spi-mem operation frequency switches
  spi: amd: Drop redundant check
  ...
 2025-01-22 09:08:18 -08:00
Linus Torvalds
7b081a74c0 regulator: Updates for v6.14 
This was a very quiet release, aside from some smaller improvements we
 have:
 
  - Support for power budgeting on regulators, initially targeted at some
    still in review support for PSE controllers but generally useful.
  - Support for error interrupts from ROHM BD96801 devices.
  - Support for NXP PCA9452.
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Merge tag 'regulator-v6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator

Pull regulator updates from Mark Brown:
 "This was a very quiet release, aside from some smaller improvements we
  have:

   - Support for power budgeting on regulators, initially targeted at
     some still in review support for PSE controllers but generally
     useful

   - Support for error interrupts from ROHM BD96801 devices

   - Support for NXP PCA9452"

* tag 'regulator-v6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
  regulator: dt-bindings: Add regulator-power-budget-milliwatt property
  regulator: Add support for power budget
  regulator: core: Resolve supply using of_node from regulator_config
  regulator: of: Implement the unwind path of of_regulator_match()
  regulator: tps65219: Remove debugging helper function
  regulator: tps65219: Remove MODULE_ALIAS
  regulator: tps65219: Update driver name
  regulator: tps65219: Use dev_err_probe() instead of dev_err()
  regulator: dt-bindings: mt6315: Drop regulator-compatible property
  regulator: pca9450: Add PMIC pca9452 support
  regulator: dt-bindings: pca9450: Add pca9452 support
  regulator: pca9450: Use dev_err_probe() to simplify code
  regulator: pca9450: add enable_value for all bucks
  regulator: bd96801: Add ERRB IRQ
 2025-01-22 09:03:41 -08:00
Linus Torvalds
6f10810ccd regmap: Updates for v6.14 
There's one big bit of work this time around, the addition of support for
 a greater range of MBQ access sizes to SoundWire devices together with
 support for deferred read/write.  The MBQ register maps generally have
 variable register sizes, the variable regiseter size support allows them
 to be handled much more naturally within regmap with less open coding in
 drivers.  The deferred read/write support avoids spurious errors when
 devices make use of a bus feature allowing them to indicate they're
 busy.  These changes pull in a supporting SoundWire change, and there's
 an ASoC change building off the new code.
 
 The remainder of the changes are code cleanups.
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Merge tag 'regmap-v6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap

Pull regmap updates from Mark Brown:
 "There's one big bit of work this time around, the addition of support
  for a greater range of MBQ access sizes to SoundWire devices together
  with support for deferred read/write.

  The MBQ register maps generally have variable register sizes, the
  variable regiseter size support allows them to be handled much more
  naturally within regmap with less open coding in drivers.

  The deferred read/write support avoids spurious errors when devices
  make use of a bus feature allowing them to indicate they're busy.
  These changes pull in a supporting SoundWire change, and there's an
  ASoC change building off the new code.

  The remainder of the changes are code cleanups"

* tag 'regmap-v6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
  regmap: sdw-mbq: Add support for SDCA deferred controls
  regmap: sdw-mbq: Add support for further MBQ register sizes
  ASoC: SDCA: Update list of entity_0 controls
  soundwire: SDCA: Add additional SDCA address macros
  regmap: regmap_multi_reg_read(): make register list const
  regmap: cache: rbtree: use krealloc_array() to replace krealloc()
  regmap: cache: mapple: use kmalloc_array() to replace kmalloc()
  regmap: place foo / 8 and foo % 8 closer to each other
  regmap: Use BITS_TO_BYTES()
  regmap: cache: Use BITS_TO_BYTES()
 2025-01-22 08:57:52 -08:00
Linus Torvalds
0c9343150c pwrseq updates for v6.14-rc1 
- support a new model in the qcom-wcn pwrseq driver
 - explain the need to keep the WLAN_EN GPIO workaround for now with
   a FIXME comment
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Merge tag 'pwrseq-updates-for-v6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux

Pull power sequencing updates from Bartosz Golaszewski:
 "We added support for another Qualcomm WCN model and a FIXME comment
  that explains why we still need to keep a GPIO workaround for now
  despite having merged a set of changes to the PCI code that seemingly
  fixed the underlying problem:

   - support a new model in the qcom-wcn pwrseq driver

   - explain the need to keep the WLAN_EN GPIO workaround for now with a
     FIXME comment"

* tag 'pwrseq-updates-for-v6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
  power: sequencing: qcom-wcn: explain why we need the WLAN_EN GPIO hack
  power: sequencing: qcom-wcn: add support for the WCN6750 PMU
 2025-01-22 08:52:26 -08:00
Linus Torvalds
4abae5b6af gpio updates for v6.14-rc1 
Driver improvements:
 - support a new model in gpio-mpc8xxx
 - refactor gpio-tqmx86 and add support for direction setting
 - allow building gpio-omap with COMPILE_TEST=y
 - use gpiochip_get_data() instead of dev_get_drvdata() in gpio-twl6040
 - drop unued field from driver data in gpio-altera
 - use generic request/free callbacks in gpio-regmap for better integration
   with pinctrl
 - use dev_err_probe() where applicable in gpio-pca953x
 - use existing dedicated GPIO defines in gpio-tps65219 instead of custom
   ones
 
 DT bindings:
 - document a new model in fsl,qoriq-gpio
 - explain the chip's latch clock pin and how it works like chip-select
   in fairchild,74hc595
 - enable the gpio-line-names property for gpio-brcmstb
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Merge tag 'gpio-updates-for-v6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux

Pull gpio updates from Bartosz Golaszewski:
 "Thanks to little activity in December, this is really tiny. Just a few
  updates to drivers and device-tree bindings.

  Driver improvements:
   - support a new model in gpio-mpc8xxx
   - refactor gpio-tqmx86 and add support for direction setting
   - allow building gpio-omap with COMPILE_TEST=y
   - use gpiochip_get_data() instead of dev_get_drvdata() in
     gpio-twl6040
   - drop unued field from driver data in gpio-altera
   - use generic request/free callbacks in gpio-regmap for better
     integration with pinctrl
   - use dev_err_probe() where applicable in gpio-pca953x
   - use existing dedicated GPIO defines in gpio-tps65219 instead of
     custom ones

  DT bindings:
   - document a new model in fsl,qoriq-gpio
   - explain the chip's latch clock pin and how it works like
     chip-select in fairchild,74hc595
   - enable the gpio-line-names property for gpio-brcmstb"

* tag 'gpio-updates-for-v6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
  gpio: regmap: Use generic request/free ops
  gpio: altera: Drop .mapped_irq from driver data
  gpio: mpc8xxx: Add MPC8314 support
  dt-bindings: gpio: fsl,qoriq-gpio: Add compatible string fsl,mpc8314-gpio
  dt-bindings: gpio: fairchild,74hc595: Document chip select vs. latch clock
  gpio: tps65219: Use existing kernel gpio macros
  gpio: pca953x: log an error when failing to get the reset GPIO
  dt-bindings: gpio: brcmstb: permit gpio-line-names property
  gpio: tqmx86: add support for changing GPIO directions
  gpio: tqmx86: introduce tqmx86_gpio_clrsetbits() helper
  gpio: tqmx86: use cleanup guards for spinlock
  gpio: tqmx86: consistently refer to IRQs by hwirq numbers
  gpio: tqmx86: add macros for interrupt configuration
  gpio: omap: allow building the module with COMPILE_TEST=y
  gpio: twl4030: use gpiochip_get_data
 2025-01-22 08:47:54 -08:00