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Author SHA1 Message Date
Linus Torvalds
f79e772258 [GIT PULL for v6.18] media updates 
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Merge tag 'media/v6.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media

Pull media updates from Mauro Carvalho Chehab:

 - Added a new V4L2 clock helper

 - New camera sensor drivers

 - iris: Enable H.264/H.265 encoder support and fixes in iris driver
   common code

 - camss: add support for new SoC flavors

 - venus: add new SoC support

 - tc358743: support more infoframe types

 - Various fixes, driver improvements and cleanups

* tag 'media/v6.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (439 commits)
  media: venus: pm_helpers: add fallback for the opp-table
  media: qcom: camss: vfe: Fix BPL alignment for QCM2290
  media: tuner: xc5000: Fix use-after-free in xc5000_release
  media: i2c: tc358743: Fix use-after-free bugs caused by orphan timer in probe
  media: b2c2: Fix use-after-free causing by irq_check_work in flexcop_pci_remove
  media: vsp1: Export missing vsp1_isp_free_buffer symbol
  media: renesas: vsp1: Convert to SYSTEM_SLEEP/RUNTIME_PM_OPS()
  media: renesas: ceu: Convert to RUNTIME_PM_OPS()
  media: renesas: fdp1: Convert to RUNTIME_PM_OPS()
  media: renesas: rcar-vin: Convert to DEFINE_SIMPLE_DEV_PM_OPS()
  media: renesas: rcar_drif: Convert to DEFINE_SIMPLE_DEV_PM_OPS()
  media: uvcvideo: Mark invalid entities with id UVC_INVALID_ENTITY_ID
  media: uvcvideo: Support UVC_CROSXU_CONTROL_IQ_PROFILE
  media: uvcvideo: Run uvc_ctrl_init_ctrl for all controls
  media: uvcvideo: Shorten the transfer size non compliance message
  media: uvcvideo: Do not re-reference dev->udev
  media: uvcvideo: Use intf instead of udev for printks
  media: uvcvideo: Move video_device under video_queue
  media: uvcvideo: Drop stream->mutex
  media: uvcvideo: Move MSXU_CONTROL_METADATA definition to header
  ...
 2025-10-02 13:13:26 -07:00
Linus Torvalds
58809f614e drm next for 6.18-rc1 
cross-subsystem:
 - i2c-hid: Make elan touch controllers power on after panel is enabled
 - dt bindings for STM32MP25 SoC
 - pci vgaarb: use screen_info helpers
 - rust pin-init updates
 - add MEI driver for late binding firmware update/load
 
 uapi:
 - add ioctl for reassigning GEM handles
 - provide boot_display attribute on boot-up devices
 
 core:
 - document DRM_MODE_PAGE_FLIP_EVENT
 - add vendor specific recovery method to drm device wedged uevent
 
 gem:
 - Simplify gpuvm locking
 
 ttm:
 - add interface to populate buffers
 
 sched:
 - Fix race condition in trace code
 
 atomic:
 - Reallow no-op async page flips
 
 display:
 - dp: Fix command length
 
 video:
 - Improve pixel-format handling for struct screen_info
 
 rust:
 - drop Opaque<> from ioctl args
 - Alloc:
 - BorrowedPage type and AsPageIter traits
 - Implement Vmalloc::to_page() and VmallocPageIter
 - DMA/Scatterlist:
 - Add dma::DataDirection and type alias for dma_addr_t
 - Abstraction for struct scatterlist and sg_table
 - DRM:
 - simplify use of generics
 - add DriverFile type alias
 - drop Object::SIZE
 - Rust:
 - pin-init tree merge
 - Various methods for AsBytes and FromBytes traits
 
 gpuvm:
 - Support madvice in Xe driver
 
 gpusvm:
 - fix hmm_pfn_to_map_order usage in gpusvm
 
 bridge:
 - Improve and fix ref counting on bridge management
 - cdns-dsi: Various improvements to mode setting
 - Support Solomon SSD2825 plus DT bindings
 - Support Waveshare DSI2DPI plus DT bindings
 - Support Content Protection property
 - display-connector: Improve DP display detection
 - Add support for Radxa Ra620 plus DT bindings
 - adv7511: Provide SPD and HDMI infoframes
 - it6505: Replace crypto_shash with sha()
 - synopsys: Add support for DW DPTX Controller plus DT bindings
 - adv7511: Write full Audio infoframe
 - ite6263: Support vendor-specific infoframes
 - simple: Add support for Realtek RTD2171 DP-to-HDMI plus DT bindings
 
 panel:
 - panel-edp: Support mt8189 Chromebooks; Support BOE NV140WUM-N64;
   Support SHP LQ134Z1; Fixes
 - panel-simple: Support Olimex LCD-OLinuXino-5CTS plus DT bindings
 - Support Samsung AMS561RA01
 - Support Hydis HV101HD1 plus DT bindings
 - ilitek-ili9881c: Refactor mode setting; Add support for Bestar
   BSD1218-A101KL68 LCD plus DT bindings
 - lvds: Add support for Ampire AMP19201200B5TZQW-T03 to DT bindings
 - edp: Add support for additonal mt8189 Chromebook panels
 - lvds: Add DT bindings for EDT ETML0700Z8DHA
 
 amdgpu:
 - add CRIU support for gem objects
 - RAS updates
 - VCN SRAM load fixes
 - EDID read fixes
 - eDP ALPM support
 - Documentation updates
 - Rework PTE flag generation
 - DCE6 fixes
 - VCN devcoredump cleanup
 - MMHUB client id fixes
 - VCN 5.0.1 RAS support
 - SMU 13.0.x updates
 - Expanded PCIe DPC support
 - Expanded VCN reset support
 - VPE per queue reset support
 - give kernel jobs unique id for tracing
 - pre-populate exported buffers
 - cyan skillfish updates
 - make vbios build number available in sysfs
 - userq updates
 - HDCP updates
 - support MMIO remap page as ttm pool
 - JPEG parser updates
 - DCE6 DC updates
 - use devm for i2c buses
 - GPUVM locking updates
 - Drop non-DC DCE11 code
 - improve fallback handling for pixel encoding
 
 amdkfd:
 - SVM/page migration fixes
 - debugfs fixes
 - add CRIO support for gem objects
 - SVM updates
 
 radeon:
 - use dev_warn_once in CS parsers
 
 xe:
 - add madvise interface
 - add DRM_IOCTL_XE_VM_QUERY_MEMORY_RANGE_ATTRS to query VMA count
   and memory attributes
 - drop L# bank mask reporting from media GT3 on Xe3+.
 - add SLPC power_profile sysfs interface
 - add configs attribs to add post/mid context-switch commands
 - handle firmware reported hardware errors notifying userspace with
   device wedged uevent
 - use same dir structure across sysfs/debugfs
 - cleanup and future proof vram region init
 - add G-states and PCI link states to debugfs
 - Add SRIOV support for CCS surfaces on Xe2+
 - Enable SRIOV PF mode by default on supported platforms
 - move flush to common code
 - extended core workarounds for Xe2/3
 - use DRM scheduler for delayed GT TLB invalidations
 - configs improvements and allow VF device enablement
 - prep work to expose mmio regions to userspace
 - VF migration support added
 - prepare GPU SVM for THP migration
 - start fixing XE_PAGE_SIZE vs PAGE_SIZE
 - add PSMI support for hw validation
 - resize VF bars to max possible size according to number of VFs
 - Ensure GT is in C0 during resume
 - pre-populate exported buffers
 - replace xe_hmm with gpusvm
 - add more SVM GT stats to debugfs
 - improve fake pci and WA kunnit handle for new platform testing
 - Test GuC to GuC comms to add debugging
 - use attribute groups to simplify sysfs registration
 - add Late Binding firmware code to interact with MEI
 
 i915:
 - apply multiple JSL/EHL/Gen7/Gen6 workarounds properly
 - protect against overflow in active_engine()
 - Use try_cmpxchg64() in __active_lookup()
 - include GuC registers in error state
 - get rid of dev->struct_mutex
 - iopoll: generalize read_poll_timout
 - lots more display refactoring
 - Reject HBR3 in any eDP Panel
 - Prune modes for YUV420
 - Display Wa fix, additions, and updates
 - DP: Fix 2.7 Gbps link training on g4x
 - DP: Adjust the idle pattern handling
 - DP: Shuffle the link training code a bit
 - Don't set/read the DSI C clock divider on GLK
 - Enable_psr kernel parameter changes
 - Type-C enabled/disconnected dp-alt sink
 - Wildcat Lake enabling
 - DP HDR updates
 - DRAM detection
 - wait PSR idle on dsb commit
 - Remove FBC modulo 4 restriction for ADL-P+
 - panic: refactor framebuffer allocation
 
 habanalabs:
 - debug/visibility improvements
 - vmalloc-backed coherent mmap support
 - HLDIO infrastructure
 
 nova-core:
 - various register!() macro improvements
 - minor vbios/firmware fixes/refactoring
 - advance firmware boot stages; process Booter and patch signatures
 - process GSP and GSP bootloader
 - Add r570.144 firmware bindings and update to it
 - Move GSP boot code to own module
 - Use new pin-init features to store driver's private data in a single
  allocation
 - Update ARef import from sync::aref
 
 nova-drm:
 - Update ARef import from sync::aref
 
 tyr:
 - initial driver skeleton for a rust driver for ARM Mali GPUs
 - capable of powering up, query metadata and provide it to userspace.
 
 msm:
 - GPU and Core:
 - in DT bindings describe clocks per GPU type
 - GMU bandwidth voting for x1-85
 - a623/a663 speedbins
 - cleanup some remaining no-iommu leftovers after VM_BIND conversion
 - fix GEM obj 32b size truncation
 - add missing VM_BIND param validation
 - IFPC for x1-85 and a750
 - register xml and gen_header.py sync from mesa
 - Display:
 - add missing bindings for display on SC8180X
 - added DisplayPort MST bindings
 - conversion from round_rate() to determine_rate()
 
 amdxdna:
 - add IOCTL_AMDXDNA_GET_ARRAY
 - support user space allocated buffers
 - streamline PM interfaces
 - Refactoring wrt. hardware contexts
 - improve error reporting
 
 nouveau:
 - use GSP firmware by default
 - improve error reporting
 - Pre-populate exported buffers
 
 ast:
 - Clean up detection of DRAM config
 
 exynos:
 - add DSIM bridge driver support for Exynos7870
 - Document Exynos7870 DSIM compatible in dt-binding
 
 panthor:
 - Print task/pid on errors
 - Add support for Mali G710, G510, G310, Gx15, Gx20, Gx25
 - Improve cache flushing
 - Fail VM bind if BO has offset
 
 renesas:
 - convert to RUNTIME_PM_OPS
 
 rcar-du:
 - Make number of lanes configurable
 - Use RUNTIME_PM_OPS
 - Add support for DSI commands
 
 rocket:
 - Add driver for Rockchip NPU plus DT bindings
 - Use kfree() and sizeof() correctly
 - Test DMA status
 
 rockchip:
 - dsi2: Add support for RK3576 plus DT bindings
 - Add support for RK3588 DPTX output
 
 tidss:
 - Use crtc_ fields for programming display mode
 - Remove other drivers from aperture
 
 pixpaper:
 - Add support for Mayqueen Pixpaper plus DT bindings
 
 v3d:
 - Support querying nubmer of GPU resets for KHR_robustness
 
 stm:
 - Clean up logging
 - ltdc: Add support support for STM32MP257F-EV1 plus DT bindings
 
 sitronix:
 - st7571-i2c: Add support for inverted displays and 2-bit grayscale
 
 tidss:
 - Convert to kernel's FIELD_ macros
 
 vesadrm:
 - Support 8-bit palette mode
 
 imagination:
 - Improve power management
 - Add support for TH1520 GPU
 - Support Risc-V architectures
 
 v3d:
 - Improve job management and locking
 
 vkms:
 - Support variants of ARGB8888, ARGB16161616, RGB565, RGB888 and P01x
 - Spport YUV with 16-bit components
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Merge tag 'drm-next-2025-10-01' of https://gitlab.freedesktop.org/drm/kernel

Pull drm updates from Dave Airlie:
 "cross-subsystem:
   - i2c-hid: Make elan touch controllers power on after panel is
     enabled
   - dt bindings for STM32MP25 SoC
   - pci vgaarb: use screen_info helpers
   - rust pin-init updates
   - add MEI driver for late binding firmware update/load

  uapi:
   - add ioctl for reassigning GEM handles
   - provide boot_display attribute on boot-up devices

  core:
   - document DRM_MODE_PAGE_FLIP_EVENT
   - add vendor specific recovery method to drm device wedged uevent

  gem:
   - Simplify gpuvm locking

  ttm:
   - add interface to populate buffers

  sched:
   - Fix race condition in trace code

  atomic:
   - Reallow no-op async page flips

  display:
   - dp: Fix command length

  video:
   - Improve pixel-format handling for struct screen_info

  rust:
   - drop Opaque<> from ioctl args
   - Alloc:
       - BorrowedPage type and AsPageIter traits
       - Implement Vmalloc::to_page() and VmallocPageIter
   - DMA/Scatterlist:
       - Add dma::DataDirection and type alias for dma_addr_t
       - Abstraction for struct scatterlist and sg_table
   - DRM:
       - simplify use of generics
       - add DriverFile type alias
       - drop Object::SIZE
   - Rust:
       - pin-init tree merge
       - Various methods for AsBytes and FromBytes traits

  gpuvm:
   - Support madvice in Xe driver

  gpusvm:
   - fix hmm_pfn_to_map_order usage in gpusvm

  bridge:
   - Improve and fix ref counting on bridge management
   - cdns-dsi: Various improvements to mode setting
   - Support Solomon SSD2825 plus DT bindings
   - Support Waveshare DSI2DPI plus DT bindings
   - Support Content Protection property
   - display-connector: Improve DP display detection
   - Add support for Radxa Ra620 plus DT bindings
   - adv7511: Provide SPD and HDMI infoframes
   - it6505: Replace crypto_shash with sha()
   - synopsys: Add support for DW DPTX Controller plus DT bindings
   - adv7511: Write full Audio infoframe
   - ite6263: Support vendor-specific infoframes
   - simple: Add support for Realtek RTD2171 DP-to-HDMI plus DT bindings

  panel:
   - panel-edp: Support mt8189 Chromebooks; Support BOE NV140WUM-N64;
     Support SHP LQ134Z1; Fixes
   - panel-simple: Support Olimex LCD-OLinuXino-5CTS plus DT bindings
   - Support Samsung AMS561RA01
   - Support Hydis HV101HD1 plus DT bindings
   - ilitek-ili9881c: Refactor mode setting; Add support for Bestar
     BSD1218-A101KL68 LCD plus DT bindings
   - lvds: Add support for Ampire AMP19201200B5TZQW-T03 to DT bindings
   - edp: Add support for additonal mt8189 Chromebook panels
   - lvds: Add DT bindings for EDT ETML0700Z8DHA

  amdgpu:
   - add CRIU support for gem objects
   - RAS updates
   - VCN SRAM load fixes
   - EDID read fixes
   - eDP ALPM support
   - Documentation updates
   - Rework PTE flag generation
   - DCE6 fixes
   - VCN devcoredump cleanup
   - MMHUB client id fixes
   - VCN 5.0.1 RAS support
   - SMU 13.0.x updates
   - Expanded PCIe DPC support
   - Expanded VCN reset support
   - VPE per queue reset support
   - give kernel jobs unique id for tracing
   - pre-populate exported buffers
   - cyan skillfish updates
   - make vbios build number available in sysfs
   - userq updates
   - HDCP updates
   - support MMIO remap page as ttm pool
   - JPEG parser updates
   - DCE6 DC updates
   - use devm for i2c buses
   - GPUVM locking updates
   - Drop non-DC DCE11 code
   - improve fallback handling for pixel encoding

  amdkfd:
   - SVM/page migration fixes
   - debugfs fixes
   - add CRIO support for gem objects
   - SVM updates

  radeon:
   - use dev_warn_once in CS parsers

  xe:
   - add madvise interface
   - add DRM_IOCTL_XE_VM_QUERY_MEMORY_RANGE_ATTRS to query VMA count
     and memory attributes
   - drop L# bank mask reporting from media GT3 on Xe3+.
   - add SLPC power_profile sysfs interface
   - add configs attribs to add post/mid context-switch commands
   - handle firmware reported hardware errors notifying userspace with
     device wedged uevent
   - use same dir structure across sysfs/debugfs
   - cleanup and future proof vram region init
   - add G-states and PCI link states to debugfs
   - Add SRIOV support for CCS surfaces on Xe2+
   - Enable SRIOV PF mode by default on supported platforms
   - move flush to common code
   - extended core workarounds for Xe2/3
   - use DRM scheduler for delayed GT TLB invalidations
   - configs improvements and allow VF device enablement
   - prep work to expose mmio regions to userspace
   - VF migration support added
   - prepare GPU SVM for THP migration
   - start fixing XE_PAGE_SIZE vs PAGE_SIZE
   - add PSMI support for hw validation
   - resize VF bars to max possible size according to number of VFs
   - Ensure GT is in C0 during resume
   - pre-populate exported buffers
   - replace xe_hmm with gpusvm
   - add more SVM GT stats to debugfs
   - improve fake pci and WA kunnit handle for new platform testing
   - Test GuC to GuC comms to add debugging
   - use attribute groups to simplify sysfs registration
   - add Late Binding firmware code to interact with MEI

  i915:
   - apply multiple JSL/EHL/Gen7/Gen6 workarounds properly
   - protect against overflow in active_engine()
   - Use try_cmpxchg64() in __active_lookup()
   - include GuC registers in error state
   - get rid of dev->struct_mutex
   - iopoll: generalize read_poll_timout
   - lots more display refactoring
   - Reject HBR3 in any eDP Panel
   - Prune modes for YUV420
   - Display Wa fix, additions, and updates
   - DP: Fix 2.7 Gbps link training on g4x
   - DP: Adjust the idle pattern handling
   - DP: Shuffle the link training code a bit
   - Don't set/read the DSI C clock divider on GLK
   - Enable_psr kernel parameter changes
   - Type-C enabled/disconnected dp-alt sink
   - Wildcat Lake enabling
   - DP HDR updates
   - DRAM detection
   - wait PSR idle on dsb commit
   - Remove FBC modulo 4 restriction for ADL-P+
   - panic: refactor framebuffer allocation

  habanalabs:
   - debug/visibility improvements
   - vmalloc-backed coherent mmap support
   - HLDIO infrastructure

  nova-core:
   - various register!() macro improvements
   - minor vbios/firmware fixes/refactoring
   - advance firmware boot stages; process Booter and patch signatures
   - process GSP and GSP bootloader
   - Add r570.144 firmware bindings and update to it
   - Move GSP boot code to own module
   - Use new pin-init features to store driver's private data in a
     single allocation
   - Update ARef import from sync::aref

  nova-drm:
   - Update ARef import from sync::aref

  tyr:
   - initial driver skeleton for a rust driver for ARM Mali GPUs
   - capable of powering up, query metadata and provide it to userspace.

  msm:
   - GPU and Core:
      - in DT bindings describe clocks per GPU type
      - GMU bandwidth voting for x1-85
      - a623/a663 speedbins
      - cleanup some remaining no-iommu leftovers after VM_BIND conversion
      - fix GEM obj 32b size truncation
      - add missing VM_BIND param validation
      - IFPC for x1-85 and a750
      - register xml and gen_header.py sync from mesa
   - Display:
      - add missing bindings for display on SC8180X
      - added DisplayPort MST bindings
      - conversion from round_rate() to determine_rate()

  amdxdna:
   - add IOCTL_AMDXDNA_GET_ARRAY
   - support user space allocated buffers
   - streamline PM interfaces
   - Refactoring wrt. hardware contexts
   - improve error reporting

  nouveau:
   - use GSP firmware by default
   - improve error reporting
   - Pre-populate exported buffers

  ast:
   - Clean up detection of DRAM config

  exynos:
   - add DSIM bridge driver support for Exynos7870
   - Document Exynos7870 DSIM compatible in dt-binding

  panthor:
   - Print task/pid on errors
   - Add support for Mali G710, G510, G310, Gx15, Gx20, Gx25
   - Improve cache flushing
   - Fail VM bind if BO has offset

  renesas:
   - convert to RUNTIME_PM_OPS

  rcar-du:
   - Make number of lanes configurable
   - Use RUNTIME_PM_OPS
   - Add support for DSI commands

  rocket:
   - Add driver for Rockchip NPU plus DT bindings
   - Use kfree() and sizeof() correctly
   - Test DMA status

  rockchip:
   - dsi2: Add support for RK3576 plus DT bindings
   - Add support for RK3588 DPTX output

  tidss:
   - Use crtc_ fields for programming display mode
   - Remove other drivers from aperture

  pixpaper:
   - Add support for Mayqueen Pixpaper plus DT bindings

  v3d:
   - Support querying nubmer of GPU resets for KHR_robustness

  stm:
   - Clean up logging
   - ltdc: Add support support for STM32MP257F-EV1 plus DT bindings

  sitronix:
   - st7571-i2c: Add support for inverted displays and 2-bit grayscale

  tidss:
   - Convert to kernel's FIELD_ macros

  vesadrm:
   - Support 8-bit palette mode

  imagination:
   - Improve power management
   - Add support for TH1520 GPU
   - Support Risc-V architectures

  v3d:
   - Improve job management and locking

  vkms:
   - Support variants of ARGB8888, ARGB16161616, RGB565, RGB888 and P01x
   - Spport YUV with 16-bit components"

* tag 'drm-next-2025-10-01' of https://gitlab.freedesktop.org/drm/kernel: (1455 commits)
  drm/amd: Add name to modes from amdgpu_connector_add_common_modes()
  drm/amd: Drop some common modes from amdgpu_connector_add_common_modes()
  drm/amdgpu: update MODULE_PARM_DESC for freesync_video
  drm/amd: Use dynamic array size declaration for amdgpu_connector_add_common_modes()
  drm/amd/display: Share dce100_validate_global with DCE6-8
  drm/amd/display: Share dce100_validate_bandwidth with DCE6-8
  drm/amdgpu: Fix fence signaling race condition in userqueue
  amd/amdkfd: enhance kfd process check in switch partition
  amd/amdkfd: resolve a race in amdgpu_amdkfd_device_fini_sw
  drm/amd/display: Reject modes with too high pixel clock on DCE6-10
  drm/amd: Drop unnecessary check in amdgpu_connector_add_common_modes()
  drm/amd/display: Only enable common modes for eDP and LVDS
  drm/amdgpu: remove the redeclaration of variable i
  drm/amdgpu/userq: assign an error code for invalid userq va
  drm/amdgpu: revert "rework reserved VMID handling" v2
  drm/amdgpu: remove leftover from enforcing isolation by VMID
  drm/amdgpu: Add fallback to pipe reset if KCQ ring reset fails
  accel/habanalabs: add Infineon version check
  accel/habanalabs/gaudi2: read preboot status after recovering from dirty state
  accel/habanalabs: add HL_GET_P_STATE passthrough type
  ...
 2025-10-02 12:47:25 -07:00
Linus Torvalds
05a54fa773 sound updates for 6.18-rc1 
It's been relatively calm in this cycle from the feature POV, but
 there were lots of cleanup works in the wide-range of code for
 converting with the auto-cleanup macros like guard().
 The mostly user-visible changes are the support of a couple of new
 compress-offload API extensions, and the support of new ASoC codec /
 platform drivers as well as USB-audio quirks.
 
 Here we go with some highlights:
 
 Core:
  - Compress-offload API extension for 64bit timestamp support
  - Compress-offload API extension for OPUS codec support
  - Workaround for PCM locking issue with PREEMPT_RT and softirq
  - KCSAN warning fix for ALSA sequencer core
 
 ASoC:
  - Continued cleanup works for ASoC core APIs
  - Lots of cleanups and conversions of DT bindings
  - Substantial maintainance work on the Intel AVS drivers
  - Support for Qualcomm Glymur and PM4125, Realtek RT1321, Shanghai
    FourSemi FS2104/5S, Texas Instruments PCM1754 and TAS2783A
  - Remove support for TI WL1273 for old Nokia systems
 
 USB-audio:
  - Support for Tascam US-144mkII, Presonus S1824c support
  - More flexible quirk option handling
  - Fix for USB MIDI timer bug triggered by fuzzer
 
 Others:
  - A large series of cleanups with guard() & co macros over (non-ASoC)
    sound drivers (PCI, ISA, HD-audio, USB-audio, drivers, etc)
  - TAS5825 HD-audio side-codec support
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Merge tag 'sound-6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound updates from Takashi Iwai:
 "It's been relatively calm in this cycle from the feature POV, but
  there were lots of cleanup works in the wide-range of code for
  converting with the auto-cleanup macros like guard().

  The mostly user-visible changes are the support of a couple of new
  compress-offload API extensions, and the support of new ASoC codec /
  platform drivers as well as USB-audio quirks.

  Here we go with some highlights:

  Core:
   - Compress-offload API extension for 64bit timestamp support
   - Compress-offload API extension for OPUS codec support
   - Workaround for PCM locking issue with PREEMPT_RT and softirq
   - KCSAN warning fix for ALSA sequencer core

  ASoC:
   - Continued cleanup works for ASoC core APIs
   - Lots of cleanups and conversions of DT bindings
   - Substantial maintainance work on the Intel AVS drivers
   - Support for Qualcomm Glymur and PM4125, Realtek RT1321, Shanghai
     FourSemi FS2104/5S, Texas Instruments PCM1754 and TAS2783A
   - Remove support for TI WL1273 for old Nokia systems

  USB-audio:
   - Support for Tascam US-144mkII, Presonus S1824c support
   - More flexible quirk option handling
   - Fix for USB MIDI timer bug triggered by fuzzer

  Others:
   - A large series of cleanups with guard() & co macros over (non-ASoC)
     sound drivers (PCI, ISA, HD-audio, USB-audio, drivers, etc)
   - TAS5825 HD-audio side-codec support"

* tag 'sound-6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (454 commits)
  ALSA: usb-audio: don't hardcode gain for output channel of Presonus Studio
  ALSA: usb-audio: add the initial mix for Presonus Studio 1824c
  ALSA: doc: improved docs about quirk_flags in snd-usb-audio
  ALSA: usb-audio: make param quirk_flags change-able in runtime
  ALSA: usb-audio: improve module param quirk_flags
  ALSA: usb-audio: add two-way convert between name and bit for QUIRK_FLAG_*
  ALSA: usb-audio: fix race condition to UAF in snd_usbmidi_free
  ALSA: usb-audio: add mono main switch to Presonus S1824c
  ALSA: compress: document 'chan_map' member in snd_dec_opus
  ASoC: cs35l56: Add support for CS35L56 B2 silicon
  ASoC: cs35l56: Set fw_regs table after getting REVID
  ALSA: hda/realtek: Add quirk for HP Spectre 14t-ea100
  ASoc: tas2783A: Fix an error code in probe()
  ASoC: tlv320aic3x: Fix class-D initialization for tlv320aic3007
  ASoC: qcom: sc8280xp: use sa8775p/ subdir for QCS9100 / QCS9075
  ASoC: stm32: sai: manage context in set_sysclk callback
  ASoC: renesas: msiof: ignore 1st FSERR
  ASoC: renesas: msiof: Add note for The possibility of R/L opposite Capture
  ASoC: renesas: msiof: setup both (Playback/Capture) in the same time
  ASoC: renesas: msiof: tidyup DMAC stop timing
  ...
 2025-10-02 11:37:19 -07:00
Linus Torvalds
5832d26433 for-6.18/io_uring-20250929 
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Merge tag 'for-6.18/io_uring-20250929' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux

Pull io_uring updates from Jens Axboe:

 - Store ring provided buffers locally for the users, rather than stuff
   them into struct io_kiocb.

   These types of buffers must always be fully consumed or recycled in
   the current context, and leaving them in struct io_kiocb is hence not
   a good ideas as that struct has a vastly different life time.

   Basically just an architecture cleanup that can help prevent issues
   with ring provided buffers in the future.

 - Support for mixed CQE sizes in the same ring.

   Before this change, a CQ ring either used the default 16b CQEs, or it
   was setup with 32b CQE using IORING_SETUP_CQE32. For use cases where
   a few 32b CQEs were needed, this caused everything else to use big
   CQEs. This is wasteful both in terms of memory usage, but also memory
   bandwidth for the posted CQEs.

   With IORING_SETUP_CQE_MIXED, applications may use request types that
   post both normal 16b and big 32b CQEs on the same ring.

 - Add helpers for async data management, to make it harder for opcode
   handlers to mess it up.

 - Add support for multishot for uring_cmd, which ublk can use. This
   helps improve efficiency, by providing a persistent request type that
   can trigger multiple CQEs.

 - Add initial support for ring feature querying.

   We had basic support for probe operations, but the API isn't great.
   Rather than expand that, add support for QUERY which is easily
   expandable and can cover a lot more cases than the existing probe
   support. This will help applications get a better idea of what
   operations are supported on a given host.

 - zcrx improvements from Pavel:
        - Improve refill entry alignment for better caching
        - Various cleanups, especially around deduplicating normal
          memory vs dmabuf setup.
        - Generalisation of the niov size (Patch 12). It's still hard
          coded to PAGE_SIZE on init, but will let the user to specify
          the rx buffer length on setup.
        - Syscall / synchronous bufer return. It'll be used as a slow
          fallback path for returning buffers when the refill queue is
          full. Useful for tolerating slight queue size misconfiguration
          or with inconsistent load.
        - Accounting more memory to cgroups.
        - Additional independent cleanups that will also be useful for
          mutli-area support.

 - Various fixes and cleanups

* tag 'for-6.18/io_uring-20250929' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux: (68 commits)
  io_uring/cmd: drop unused res2 param from io_uring_cmd_done()
  io_uring: fix nvme's 32b cqes on mixed cq
  io_uring/query: cap number of queries
  io_uring/query: prevent infinite loops
  io_uring/zcrx: account niov arrays to cgroup
  io_uring/zcrx: allow synchronous buffer return
  io_uring/zcrx: introduce io_parse_rqe()
  io_uring/zcrx: don't adjust free cache space
  io_uring/zcrx: use guards for the refill lock
  io_uring/zcrx: reduce netmem scope in refill
  io_uring/zcrx: protect netdev with pp_lock
  io_uring/zcrx: rename dma lock
  io_uring/zcrx: make niov size variable
  io_uring/zcrx: set sgt for umem area
  io_uring/zcrx: remove dmabuf_offset
  io_uring/zcrx: deduplicate area mapping
  io_uring/zcrx: pass ifq to io_zcrx_alloc_fallback()
  io_uring/zcrx: check all niovs filled with dma addresses
  io_uring/zcrx: move area reg checks into io_import_area
  io_uring/zcrx: don't pass slot to io_zcrx_create_area
  ...
 2025-10-02 09:56:23 -07:00
Linus Torvalds
38057e3236 soc: driver updates for 6.18 
Lots of platform specific updates for Qualcomm SoCs, including a
 new TEE subsystem driver for the Qualcomm QTEE firmware interface.
 
 Added support for the Apple A11 SoC in drivers that are shared with the
 M1/M2 series, among more updates for those.
 
 Smaller platform specific driver updates for Renesas, ASpeed, Broadcom,
 Nvidia, Mediatek, Amlogic, TI, Allwinner, and Freescale SoCs.
 
 Driver updates in the cache controller, memory controller and reset
 controller subsystems.
 
 SCMI firmware updates to add more features and improve robustness.
 This includes support for having multiple SCMI providers in a single
 system.
 
 TEE subsystem support for protected DMA-bufs, allowing hardware to
 access memory areas that managed by the kernel but remain inaccessible
 from the CPU in EL1/EL0.
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Merge tag 'soc-drivers-6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull SoC driver updates from Arnd Bergmann:
 "Lots of platform specific updates for Qualcomm SoCs, including a new
  TEE subsystem driver for the Qualcomm QTEE firmware interface.

  Added support for the Apple A11 SoC in drivers that are shared with
  the M1/M2 series, among more updates for those.

  Smaller platform specific driver updates for Renesas, ASpeed,
  Broadcom, Nvidia, Mediatek, Amlogic, TI, Allwinner, and Freescale
  SoCs.

  Driver updates in the cache controller, memory controller and reset
  controller subsystems.

  SCMI firmware updates to add more features and improve robustness.
  This includes support for having multiple SCMI providers in a single
  system.

  TEE subsystem support for protected DMA-bufs, allowing hardware to
  access memory areas that managed by the kernel but remain inaccessible
  from the CPU in EL1/EL0"

* tag 'soc-drivers-6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (139 commits)
  soc/fsl/qbman: Use for_each_online_cpu() instead of for_each_cpu()
  soc: fsl: qe: Drop legacy-of-mm-gpiochip.h header from GPIO driver
  soc: fsl: qe: Change GPIO driver to a proper platform driver
  tee: fix register_shm_helper()
  pmdomain: apple: Add "apple,t8103-pmgr-pwrstate"
  dt-bindings: spmi: Add Apple A11 and T2 compatible
  serial: qcom-geni: Load UART qup Firmware from linux side
  spi: geni-qcom: Load spi qup Firmware from linux side
  i2c: qcom-geni: Load i2c qup Firmware from linux side
  soc: qcom: geni-se: Add support to load QUP SE Firmware via Linux subsystem
  soc: qcom: geni-se: Cleanup register defines and update copyright
  dt-bindings: qcom: se-common: Add QUP Peripheral-specific properties for I2C, SPI, and SERIAL bus
  Documentation: tee: Add Qualcomm TEE driver
  tee: qcom: enable TEE_IOC_SHM_ALLOC ioctl
  tee: qcom: add primordial object
  tee: add Qualcomm TEE driver
  tee: increase TEE_MAX_ARG_SIZE to 4096
  tee: add TEE_IOCTL_PARAM_ATTR_TYPE_OBJREF
  tee: add TEE_IOCTL_PARAM_ATTR_TYPE_UBUF
  tee: add close_context to TEE driver operation
  ...
 2025-10-01 17:32:51 -07:00
Linus Torvalds
ea1c6c5925 spi: Updates for v6.18 
There's one big core change in this release, Jonas Gorski has addressed
 the issues with multiple chip selects which makes things more robust and
 stable.  Otherwise there's quite a bit of driver work, as well as some
 new drivers several existing drivers have had quite a bit of work done
 on them.
 
 Possibly the most interesting thing is the VirtIO driver, this is
 apparently useful for some automotive applications which want to keep as
 small and robust a host system as they can, moving less critical
 functionality into guests.
 
  - James Clark has done some substantial updates on the Freescale DSPI
    driver, porting in code from the BSP and building onm top of that to
    fix some bugs and increase performance.
  - Jonas Gorski has fixed the issues with handling multple chip selects,
    making things more robust and scalable.
  - Support for higher performance modes in the NXP FSPI driver from
    Haibo Chen.
  - Removal of the obsolete S3C2443 driver, the underlying SoC support
    has been removed from the kernel.
  - Support for Amlogic AL113L2, Atmel SAMA7D65 and SAM9x7 and for VirtIO
    controllers.
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Merge tag 'spi-v6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi

Pull spi updates from Mark Brown:
 "There's one big core change in this release, Jonas Gorski has
  addressed the issues with multiple chip selects which makes things
  more robust and stable. Otherwise there's quite a bit of driver work,
  as well as some new drivers several existing drivers have had quite a
  bit of work done on them.

  Possibly the most interesting thing is the VirtIO driver, this is
  apparently useful for some automotive applications which want to keep
  as small and robust a host system as they can, moving less critical
  functionality into guests.

   - James Clark has done some substantial updates on the Freescale DSPI
     driver, porting in code from the BSP and building onm top of that
     to fix some bugs and increase performance

   - Jonas Gorski has fixed the issues with handling multple chip
     selects, making things more robust and scalable

   - Support for higher performance modes in the NXP FSPI driver from
     Haibo Chen

   - Removal of the obsolete S3C2443 driver, the underlying SoC support
     has been removed from the kernel

   - Support for Amlogic AL113L2, Atmel SAMA7D65 and SAM9x7 and for
     VirtIO controllers"

* tag 'spi-v6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (74 commits)
  spi: ljca: Remove Wentong's e-mail address
  spi: rename SPI_CS_CNT_MAX => SPI_DEVICE_CS_CNT_MAX
  spi: reduce device chip select limit again
  spi: don't check spi_controller::num_chipselect when parsing a dt device
  spi: drop check for validity of device chip selects
  spi: move unused device CS initialization to __spi_add_device()
  spi: keep track of number of chipselects in spi_device
  spi: fix return code when spi device has too many chipselects
  SPI: Add virtio SPI driver
  virtio-spi: Add virtio-spi.h
  virtio: Add ID for virtio SPI
  spi: rpc-if: Add resume support for RZ/G3E
  spi: rpc-if: Drop deprecated SIMPLE_DEV_PM_OPS
  spi: spi-qpic-snand: simplify clock handling by using devm_clk_get_enabled()
  spi: spi-nxp-fspi: Add OCT-DTR mode support
  spi: spi-nxp-fspi: add the support for sample data from DQS pad
  spi: spi-nxp-fspi: Add the DDR LUT command support
  spi: spi-nxp-fspi: set back to dll override mode when clock rate < 100MHz
  spi: spi-nxp-fspi: extract function nxp_fspi_dll_override()
  spi: atmel-quadspi: Add support for sama7d65 QSPI
  ...
 2025-10-01 11:46:31 -07:00
Linus Torvalds
989253cc46 hwmon updates for v6.18-rc1 
* New drivers
 
   - Driver for Kontron SMARC-sAM67
 
   - Driver for GPD device sensors
 
   - Driver for MP29502
 
   - Driver for MP2869, MP29608, MP29612 and MP29816 series
 
 * Added chip support to existing drivers
 
   - asus-ec-sensors:
 	Add B650E-I
 	Add PRIME Z270-A
 	Add Pro WS WRX90E-SAGE SE
 	Add ROG STRIX X670E-E GAMING WIFI
 	Add ROG STRIX X870-I GAMING WIFI
 	Add ROG STRIX X870E-E GAMING WIFI
 	Add ROG STRIX Z690-E GAMING WIFI
 	Add ROG STRIX Z790E GAMING WIFI II
 	Add STRIX B850-I GAMING WIFI
 	Add TUF GAMING X670E PLUS WIFI
 	Add X670E-I GAMING WIFI
 	Add Z790-I GAMING WIFI
 
   - dell-smm: Add support for Dell OptiPlex 7040
 
   - ina238: Major cleanup, and
   	Add support for INA700
 	Add support for INA780
 
   - k10temp:
   	Add device ID for Strix Halo
 	Add support for AMD Family 1Ah-based models
 
   - lenovo-ec-sensors: Update P8 supprt
 
   - lm75: Add NXP P3T1750 support
 
   - pmbus/adm1275: Add sq24905c support
 
   - pmbus/isl68137: Add support for Renesas RAA228244 and RAA228246
 
   - pmbus/mp5990: Add support for MP5998
 
   - sht21: Add support for SHT20, SHT25
 
   - sl28cpld: Add sa67mcu compatible
 
 * Other notable changes
 
   - core:
 	Handle locking internally
 	Introduce 64-bit energy attribute support
 
   - cros_ec: Register into thermal framework, improve PWM control
 
   - lm75: allow interrupt for ti,tmp75
 
   - mlxreg-fan: Add support for new flavour of capability register
 
   - sbtsi_temp: AMD CPU extended temperature range support
 
   - sht21: Add devicetree support
 
 * Various other minor improvements and fixes
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Merge tag 'hwmon-for-v6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull hwmon updates from Guenter Roeck:
 "New drivers:

   - Kontron SMARC-sAM67

   - GPD device sensors

   - MP29502

   - MP2869, MP29608, MP29612 and MP29816 series

  Added chip support to existing drivers:

   - asus-ec-sensors:
	Add B650E-I
	Add PRIME Z270-A
	Add Pro WS WRX90E-SAGE SE
	Add ROG STRIX X670E-E GAMING WIFI
	Add ROG STRIX X870-I GAMING WIFI
	Add ROG STRIX X870E-E GAMING WIFI
	Add ROG STRIX Z690-E GAMING WIFI
	Add ROG STRIX Z790E GAMING WIFI II
	Add STRIX B850-I GAMING WIFI
	Add TUF GAMING X670E PLUS WIFI
	Add X670E-I GAMING WIFI
	Add Z790-I GAMING WIFI

   - dell-smm: Add support for Dell OptiPlex 7040

   - ina238: Major cleanup, and
  	Add support for INA700
	Add support for INA780

   - k10temp:
  	Add device ID for Strix Halo
	Add support for AMD Family 1Ah-based models

   - lenovo-ec-sensors: Update P8 supprt

   - lm75: Add NXP P3T1750 support

   - pmbus/adm1275: Add sq24905c support

   - pmbus/isl68137: Add support for Renesas RAA228244 and RAA228246

   - pmbus/mp5990: Add support for MP5998

   - sht21: Add support for SHT20, SHT25

   - sl28cpld: Add sa67mcu compatible

  Other notable changes:

   - core:
	Handle locking internally
	Introduce 64-bit energy attribute support

   - cros_ec: Register into thermal framework, improve PWM control

   - lm75: allow interrupt for ti,tmp75

   - mlxreg-fan: Add support for new flavour of capability register

   - sbtsi_temp: AMD CPU extended temperature range support

   - sht21: Add devicetree support

  Various other minor improvements and fixes"

* tag 'hwmon-for-v6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (86 commits)
  dt-bindings: hwmon: (lm75) allow interrupt for ti,tmp75
  hwmon: (mlxreg-fan) Add support for new flavour of capability register
  hwmon: (mlxreg-fan) Separate methods of fan setting coming from different subsystems
  hwmon: (cros_ec) register fans into thermal framework cooling devices
  hwmon: (cros_ec) add PWM control over fans
  platform/chrome: update pwm fan control host commands
  hwmon: add SMARC-sAM67 support
  dt-bindings: hwmon: sl28cpld: add sa67mcu compatible
  hwmon: (asus-ec-sensors) add TUF GAMING X670E PLUS WIFI
  hwmon: (dell-smm) Add support for Dell OptiPlex 7040
  hwmon: (dell-smm) Add support for automatic fan mode
  hwmon: (gpd-fan) complete Kconfig dependencies
  hwmon: (asus-ec-sensors) increase timeout for locking ACPI mutex
  hwmon: (asus-ec-sensors) add ROG STRIX X870E-E GAMING WIFI
  hwmon: (dell-smm) Move clamping of fan speed out of i8k_set_fan()
  hwmon: (dell-smm) Remove Dell Precision 490 custom config data
  hwmon: (asus-ec-sensors) add ROG STRIX X670E-E GAMING WIFI
  hwmon: (gpd-fan) Fix range check for pwm input
  hwmon: (pmbus/mp5990) add support for MP5998
  dt-bindings: trivial-devices: add mps,mp5998
  ...
 2025-10-01 09:42:51 -07:00
Paolo Abeni
1a98f5699b Revert "Documentation: net: add flow control guide and document ethtool API" 
This reverts commit 7bd80ed89d.

I should not have merged it to begin with due to pending review and
changes to be addressed.

Link: https://patch.msgid.link/c6f3af12df9b7998920a02027fc8893ce82afc4c.1759239721.git.pabeni@redhat.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
 2025-10-01 09:48:21 +02:00
Linus Torvalds
ae28ed4578 bpf-next-6.18 
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Merge tag 'bpf-next-6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next

Pull bpf updates from Alexei Starovoitov:

 - Support pulling non-linear xdp data with bpf_xdp_pull_data() kfunc
   (Amery Hung)

   Applied as a stable branch in bpf-next and net-next trees.

 - Support reading skb metadata via bpf_dynptr (Jakub Sitnicki)

   Also a stable branch in bpf-next and net-next trees.

 - Enforce expected_attach_type for tailcall compatibility (Daniel
   Borkmann)

 - Replace path-sensitive with path-insensitive live stack analysis in
   the verifier (Eduard Zingerman)

   This is a significant change in the verification logic. More details,
   motivation, long term plans are in the cover letter/merge commit.

 - Support signed BPF programs (KP Singh)

   This is another major feature that took years to materialize.

   Algorithm details are in the cover letter/marge commit

 - Add support for may_goto instruction to s390 JIT (Ilya Leoshkevich)

 - Add support for may_goto instruction to arm64 JIT (Puranjay Mohan)

 - Fix USDT SIB argument handling in libbpf (Jiawei Zhao)

 - Allow uprobe-bpf program to change context registers (Jiri Olsa)

 - Support signed loads from BPF arena (Kumar Kartikeya Dwivedi and
   Puranjay Mohan)

 - Allow access to union arguments in tracing programs (Leon Hwang)

 - Optimize rcu_read_lock() + migrate_disable() combination where it's
   used in BPF subsystem (Menglong Dong)

 - Introduce bpf_task_work_schedule*() kfuncs to schedule deferred
   execution of BPF callback in the context of a specific task using the
   kernel’s task_work infrastructure (Mykyta Yatsenko)

 - Enforce RCU protection for KF_RCU_PROTECTED kfuncs (Kumar Kartikeya
   Dwivedi)

 - Add stress test for rqspinlock in NMI (Kumar Kartikeya Dwivedi)

 - Improve the precision of tnum multiplier verifier operation
   (Nandakumar Edamana)

 - Use tnums to improve is_branch_taken() logic (Paul Chaignon)

 - Add support for atomic operations in arena in riscv JIT (Pu Lehui)

 - Report arena faults to BPF error stream (Puranjay Mohan)

 - Search for tracefs at /sys/kernel/tracing first in bpftool (Quentin
   Monnet)

 - Add bpf_strcasecmp() kfunc (Rong Tao)

 - Support lookup_and_delete_elem command in BPF_MAP_STACK_TRACE (Tao
   Chen)

* tag 'bpf-next-6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next: (197 commits)
  libbpf: Replace AF_ALG with open coded SHA-256
  selftests/bpf: Add stress test for rqspinlock in NMI
  selftests/bpf: Add test case for different expected_attach_type
  bpf: Enforce expected_attach_type for tailcall compatibility
  bpftool: Remove duplicate string.h header
  bpf: Remove duplicate crypto/sha2.h header
  libbpf: Fix error when st-prefix_ops and ops from differ btf
  selftests/bpf: Test changing packet data from kfunc
  selftests/bpf: Add stacktrace map lookup_and_delete_elem test case
  selftests/bpf: Refactor stacktrace_map case with skeleton
  bpf: Add lookup_and_delete_elem for BPF_MAP_STACK_TRACE
  selftests/bpf: Fix flaky bpf_cookie selftest
  selftests/bpf: Test changing packet data from global functions with a kfunc
  bpf: Emit struct bpf_xdp_sock type in vmlinux BTF
  selftests/bpf: Task_work selftest cleanup fixes
  MAINTAINERS: Delete inactive maintainers from AF_XDP
  bpf: Mark kfuncs as __noclone
  selftests/bpf: Add kprobe multi write ctx attach test
  selftests/bpf: Add kprobe write ctx attach test
  selftests/bpf: Add uprobe context ip register change test
  ...
 2025-09-30 17:58:11 -07:00
Linus Torvalds
22bdd6e68b - Add functionality to provide runtime firmware updates for the non-x86 parts 
of an AMD platform like the security processor (ASP) firmware, modules
   etc, for example. The intent being that these updates are interim,
   live fixups before a proper BIOS update can be attempted
 
 - Add guest support for AMD's Secure AVIC feature which gives encrypted
   guests the needed protection against a malicious hypervisor generating
   unexpected interrupts and injecting them into such guest, thus
   interfering with its operation in an unexpected and negative manner.
   The advantage of this scheme is that the guest determines which
   interrupts and when to accept them vs leaving that to the benevolence
   (or not) of the hypervisor
 
 - Strictly separate the startup code from the rest of the kernel where
   former is executed from the initial 1:1 mapping of memory. The problem
   was that the toolchain-generated version of the code was being
   executed from a different mapping of memory than what was "assumed"
   during code generation, needing an ever-growing pile of fixups for
   absolute memory references which are invalid in the early, 1:1 memory
   mapping during boot.
 
   The major advantage of this is that there's no need to check the 1:1
   mapping portion of the code for absolute relocations anymore and get
   rid of the RIP_REL_REF() macro sprinkling all over the place.
 
   For more info, see Ard's very detailed writeup on this:
   https://lore.kernel.org/r/CAMj1kXEzKEuePEiHB%2BHxvfQbFz0sTiHdn4B%2B%2BzVBJ2mhkPkQ4Q@mail.gmail.com
 
 - The usual cleanups and fixes
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Merge tag 'x86_apic_for_v6.18_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 SEV and apic updates from Borislav Petkov:

 - Add functionality to provide runtime firmware updates for the non-x86
   parts of an AMD platform like the security processor (ASP) firmware,
   modules etc, for example. The intent being that these updates are
   interim, live fixups before a proper BIOS update can be attempted

 - Add guest support for AMD's Secure AVIC feature which gives encrypted
   guests the needed protection against a malicious hypervisor
   generating unexpected interrupts and injecting them into such guest,
   thus interfering with its operation in an unexpected and negative
   manner.

   The advantage of this scheme is that the guest determines which
   interrupts and when to accept them vs leaving that to the benevolence
   (or not) of the hypervisor

 - Strictly separate the startup code from the rest of the kernel where
   former is executed from the initial 1:1 mapping of memory.

   The problem was that the toolchain-generated version of the code was
   being executed from a different mapping of memory than what was
   "assumed" during code generation, needing an ever-growing pile of
   fixups for absolute memory references which are invalid in the early,
   1:1 memory mapping during boot.

   The major advantage of this is that there's no need to check the 1:1
   mapping portion of the code for absolute relocations anymore and get
   rid of the RIP_REL_REF() macro sprinkling all over the place.

   For more info, see Ard's very detailed writeup on this [1]

 - The usual cleanups and fixes

Link: https://lore.kernel.org/r/CAMj1kXEzKEuePEiHB%2BHxvfQbFz0sTiHdn4B%2B%2BzVBJ2mhkPkQ4Q@mail.gmail.com [1]

* tag 'x86_apic_for_v6.18_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (49 commits)
  x86/boot: Drop erroneous __init annotation from early_set_pages_state()
  crypto: ccp - Add AMD Seamless Firmware Servicing (SFS) driver
  crypto: ccp - Add new HV-Fixed page allocation/free API
  x86/sev: Add new dump_rmp parameter to snp_leak_pages() API
  x86/startup/sev: Document the CPUID flow in the boot #VC handler
  objtool: Ignore __pi___cfi_ prefixed symbols
  x86/sev: Zap snp_abort()
  x86/apic/savic: Do not use snp_abort()
  x86/boot: Get rid of the .head.text section
  x86/boot: Move startup code out of __head section
  efistub/x86: Remap inittext read-execute when needed
  x86/boot: Create a confined code area for startup code
  x86/kbuild: Incorporate boot/startup/ via Kbuild makefile
  x86/boot: Revert "Reject absolute references in .head.text"
  x86/boot: Check startup code for absence of absolute relocations
  objtool: Add action to check for absence of absolute relocations
  x86/sev: Export startup routines for later use
  x86/sev: Move __sev_[get|put]_ghcb() into separate noinstr object
  x86/sev: Provide PIC aliases for SEV related data objects
  x86/boot: Provide PIC aliases for 5-level paging related constants
  ...
 2025-09-30 13:40:35 -07:00
Paolo Bonzini
10ef74c06b KVM SEV-SNP CipherText Hiding support for 6.18 
Add support for SEV-SNP's CipherText Hiding, an opt-in feature that prevents
 unauthorized CPU accesses from reading the ciphertext of SNP guest private
 memory, e.g. to attempt an offline attack.  Instead of ciphertext, the CPU
 will always read back all FFs when CipherText Hiding is enabled.
 
 Add new module parameter to the KVM module to enable CipherText Hiding and
 control the number of ASIDs that can be used for VMs with CipherText Hiding,
 which is in effect the number of SNP VMs.  When CipherText Hiding is enabled,
 the hared SEV-ES/SEV-SNP ASID space is split into separate ranges for SEV-ES
 and SEV-SNP guests, i.e. ASIDs that can be used for CipherText Hiding cannot
 be used to run SEV-ES guests.
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Merge tag 'kvm-x86-ciphertext-6.18' of https://github.com/kvm-x86/linux into HEAD

KVM SEV-SNP CipherText Hiding support for 6.18

Add support for SEV-SNP's CipherText Hiding, an opt-in feature that prevents
unauthorized CPU accesses from reading the ciphertext of SNP guest private
memory, e.g. to attempt an offline attack.  Instead of ciphertext, the CPU
will always read back all FFs when CipherText Hiding is enabled.

Add new module parameter to the KVM module to enable CipherText Hiding and
control the number of ASIDs that can be used for VMs with CipherText Hiding,
which is in effect the number of SNP VMs.  When CipherText Hiding is enabled,
the shared SEV-ES/SEV-SNP ASID space is split into separate ranges for SEV-ES
and SEV-SNP guests, i.e. ASIDs that can be used for CipherText Hiding cannot
be used to run SEV-ES guests.
 2025-09-30 13:34:32 -04:00
Paolo Bonzini
6a13749717 LoongArch KVM changes for v6.18 
1. Add PTW feature detection on new hardware.
 2. Add sign extension with kernel MMIO/IOCSR emulation.
 3. Improve in-kernel IPI emulation.
 4. Improve in-kernel PCH-PIC emulation.
 5. Move kvm_iocsr tracepoint out of generic code.
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Merge tag 'loongarch-kvm-6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson into HEAD

LoongArch KVM changes for v6.18

1. Add PTW feature detection on new hardware.
2. Add sign extension with kernel MMIO/IOCSR emulation.
3. Improve in-kernel IPI emulation.
4. Improve in-kernel PCH-PIC emulation.
5. Move kvm_iocsr tracepoint out of generic code.
 2025-09-30 13:23:44 -04:00
Paolo Bonzini
924ccf1d09 KVM/riscv changes for 6.18 
- Added SBI FWFT extension for Guest/VM with misaligned
   delegation and pointer masking PMLEN features
 - Added ONE_REG interface for SBI FWFT extension
 - Added Zicbop and bfloat16 extensions for Guest/VM
 - Enabled more common KVM selftests for RISC-V such as
   access_tracking_perf_test, dirty_log_perf_test,
   memslot_modification_stress_test, memslot_perf_test,
   mmu_stress_test, and rseq_test
 - Added SBI v3.0 PMU enhancements in KVM and perf driver
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Merge tag 'kvm-riscv-6.18-1' of https://github.com/kvm-riscv/linux into HEAD

KVM/riscv changes for 6.18

- Added SBI FWFT extension for Guest/VM with misaligned
  delegation and pointer masking PMLEN features
- Added ONE_REG interface for SBI FWFT extension
- Added Zicbop and bfloat16 extensions for Guest/VM
- Enabled more common KVM selftests for RISC-V such as
  access_tracking_perf_test, dirty_log_perf_test,
  memslot_modification_stress_test, memslot_perf_test,
  mmu_stress_test, and rseq_test
- Added SBI v3.0 PMU enhancements in KVM and perf driver
 2025-09-30 13:23:36 -04:00
Paolo Bonzini
8cbb0df294 KVM/arm64 changes for 6.17, round #3 
- Invalidate nested MMUs upon freeing the PGD to avoid WARNs when
    visiting from an MMU notifier
 
  - Fixes to the TLB match process and TLB invalidation range for
    managing the VCNR pseudo-TLB
 
  - Prevent SPE from erroneously profiling guests due to UNKNOWN reset
    values in PMSCR_EL1
 
  - Fix save/restore of host MDCR_EL2 to account for eagerly programming
    at vcpu_load() on VHE systems
 
  - Correct lock ordering when dealing with VGIC LPIs, avoiding scenarios
    where an xarray's spinlock was nested with a *raw* spinlock
 
  - Permit stage-2 read permission aborts which are possible in the case
    of NV depending on the guest hypervisor's stage-2 translation
 
  - Call raw_spin_unlock() instead of the internal spinlock API
 
  - Fix parameter ordering when assigning VBAR_EL1
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Merge tag 'kvmarm-fixes-6.17-2' of https://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD

KVM/arm64 changes for 6.17, round #3

 - Invalidate nested MMUs upon freeing the PGD to avoid WARNs when
   visiting from an MMU notifier

 - Fixes to the TLB match process and TLB invalidation range for
   managing the VCNR pseudo-TLB

 - Prevent SPE from erroneously profiling guests due to UNKNOWN reset
   values in PMSCR_EL1

 - Fix save/restore of host MDCR_EL2 to account for eagerly programming
   at vcpu_load() on VHE systems

 - Correct lock ordering when dealing with VGIC LPIs, avoiding scenarios
   where an xarray's spinlock was nested with a *raw* spinlock

 - Permit stage-2 read permission aborts which are possible in the case
   of NV depending on the guest hypervisor's stage-2 translation

 - Call raw_spin_unlock() instead of the internal spinlock API

 - Fix parameter ordering when assigning VBAR_EL1

[Pull into kvm/master to fix conflicts. - Paolo]
 2025-09-30 13:23:06 -04:00
Linus Torvalds
56a0810d8c audit/stable-6.18 PR 20250926 
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Merge tag 'audit-pr-20250926' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit

Pull audit updates from Paul Moore:

 - Proper audit support for multiple LSMs

   As the audit subsystem predated the work to enable multiple LSMs,
   some additional work was needed to support logging the different LSM
   labels for the subjects/tasks and objects on the system. Casey's
   patches add new auxillary records for subjects and objects that
   convey the additional labels.

 - Ensure fanotify audit events are always generated

   Generally speaking security relevant subsystems always generate audit
   events, unless explicitly ignored. However, up to this point fanotify
   events had been ignored by default, but starting with this pull
   request fanotify follows convention and generates audit events by
   default.

 - Replace an instance of strcpy() with strscpy()

 - Minor indentation, style, and comment fixes

* tag 'audit-pr-20250926' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit:
  audit: fix skb leak when audit rate limit is exceeded
  audit: init ab->skb_list earlier in audit_buffer_alloc()
  audit: add record for multiple object contexts
  audit: add record for multiple task security contexts
  lsm: security_lsmblob_to_secctx module selection
  audit: create audit_stamp structure
  audit: add a missing tab
  audit: record fanotify event regardless of presence of rules
  audit: fix typo in auditfilter.c comment
  audit: Replace deprecated strcpy() with strscpy()
  audit: fix indentation in audit_log_exit()
 2025-09-30 08:22:16 -07:00
Benjamin Tissoires
b3f126f400 Merge branch 'for-6.18/haptic' into for-linus 
- Implement haptic touchpad support (Angela Czubak and Jonathan Denose)
 2025-09-30 16:43:15 +02:00
Oleksij Rempel
7bd80ed89d Documentation: net: add flow control guide and document ethtool API 
Introduce a new document, flow_control.rst, to provide a comprehensive
guide on Ethernet Flow Control in Linux. The guide explains how flow
control works, how autonegotiation resolves pause capabilities, and how
to configure it using ethtool and Netlink.

In parallel, document the pause and pause-stat attributes in the
ethtool.yaml netlink spec. This enables the ynl tool to generate
kernel-doc comments for the corresponding enums in the UAPI header,
making the C interface self-documenting.

Finally, replace the legacy flow control section in phy.rst with a
reference to the new document and add pointers in the relevant C source
files.

Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Link: https://patch.msgid.link/20250924120241.724850-1-o.rempel@pengutronix.de
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
 2025-09-30 09:48:31 +02:00
Ivan Vecera
a680581f6a dpll: add phase-offset-avg-factor device attribute to netlink spec 
Add dpll device level attribute DPLL_A_PHASE_OFFSET_AVG_FACTOR to allow
control over a calculation of reported phase offset value. Attribute is
present, if the driver provides such capability, otherwise attribute
shall not be present.

Signed-off-by: Ivan Vecera <ivecera@redhat.com>
Reviewed-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Link: https://patch.msgid.link/20250927084912.2343597-2-ivecera@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2025-09-29 18:57:41 -07:00
Linus Torvalds
18b19abc37 namespace-6.18-rc1 
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Merge tag 'namespace-6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs

Pull namespace updates from Christian Brauner:
 "This contains a larger set of changes around the generic namespace
  infrastructure of the kernel.

  Each specific namespace type (net, cgroup, mnt, ...) embedds a struct
  ns_common which carries the reference count of the namespace and so
  on.

  We open-coded and cargo-culted so many quirks for each namespace type
  that it just wasn't scalable anymore. So given there's a bunch of new
  changes coming in that area I've started cleaning all of this up.

  The core change is to make it possible to correctly initialize every
  namespace uniformly and derive the correct initialization settings
  from the type of the namespace such as namespace operations, namespace
  type and so on. This leaves the new ns_common_init() function with a
  single parameter which is the specific namespace type which derives
  the correct parameters statically. This also means the compiler will
  yell as soon as someone does something remotely fishy.

  The ns_common_init() addition also allows us to remove ns_alloc_inum()
  and drops any special-casing of the initial network namespace in the
  network namespace initialization code that Linus complained about.

  Another part is reworking the reference counting. The reference
  counting was open-coded and copy-pasted for each namespace type even
  though they all followed the same rules. This also removes all open
  accesses to the reference count and makes it private and only uses a
  very small set of dedicated helpers to manipulate them just like we do
  for e.g., files.

  In addition this generalizes the mount namespace iteration
  infrastructure introduced a few cycles ago. As reminder, the vfs makes
  it possible to iterate sequentially and bidirectionally through all
  mount namespaces on the system or all mount namespaces that the caller
  holds privilege over. This allow userspace to iterate over all mounts
  in all mount namespaces using the listmount() and statmount() system
  call.

  Each mount namespace has a unique identifier for the lifetime of the
  systems that is exposed to userspace. The network namespace also has a
  unique identifier working exactly the same way. This extends the
  concept to all other namespace types.

  The new nstree type makes it possible to lookup namespaces purely by
  their identifier and to walk the namespace list sequentially and
  bidirectionally for all namespace types, allowing userspace to iterate
  through all namespaces. Looking up namespaces in the namespace tree
  works completely locklessly.

  This also means we can move the mount namespace onto the generic
  infrastructure and remove a bunch of code and members from struct
  mnt_namespace itself.

  There's a bunch of stuff coming on top of this in the future but for
  now this uses the generic namespace tree to extend a concept
  introduced first for pidfs a few cycles ago. For a while now we have
  supported pidfs file handles for pidfds. This has proven to be very
  useful.

  This extends the concept to cover namespaces as well. It is possible
  to encode and decode namespace file handles using the common
  name_to_handle_at() and open_by_handle_at() apis.

  As with pidfs file handles, namespace file handles are exhaustive,
  meaning it is not required to actually hold a reference to nsfs in
  able to decode aka open_by_handle_at() a namespace file handle.
  Instead the FD_NSFS_ROOT constant can be passed which will let the
  kernel grab a reference to the root of nsfs internally and thus decode
  the file handle.

  Namespaces file descriptors can already be derived from pidfds which
  means they aren't subject to overmount protection bugs. IOW, it's
  irrelevant if the caller would not have access to an appropriate
  /proc/<pid>/ns/ directory as they could always just derive the
  namespace based on a pidfd already.

  It has the same advantage as pidfds. It's possible to reliably and for
  the lifetime of the system refer to a namespace without pinning any
  resources and to compare them trivially.

  Permission checking is kept simple. If the caller is located in the
  namespace the file handle refers to they are able to open it otherwise
  they must hold privilege over the owning namespace of the relevant
  namespace.

  The namespace file handle layout is exposed as uapi and has a stable
  and extensible format. For now it simply contains the namespace
  identifier, the namespace type, and the inode number. The stable
  format means that userspace may construct its own namespace file
  handles without going through name_to_handle_at() as they are already
  allowed for pidfs and cgroup file handles"

* tag 'namespace-6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs: (65 commits)
  ns: drop assert
  ns: move ns type into struct ns_common
  nstree: make struct ns_tree private
  ns: add ns_debug()
  ns: simplify ns_common_init() further
  cgroup: add missing ns_common include
  ns: use inode initializer for initial namespaces
  selftests/namespaces: verify initial namespace inode numbers
  ns: rename to __ns_ref
  nsfs: port to ns_ref_*() helpers
  net: port to ns_ref_*() helpers
  uts: port to ns_ref_*() helpers
  ipv4: use check_net()
  net: use check_net()
  net-sysfs: use check_net()
  user: port to ns_ref_*() helpers
  time: port to ns_ref_*() helpers
  pid: port to ns_ref_*() helpers
  ipc: port to ns_ref_*() helpers
  cgroup: port to ns_ref_*() helpers
  ...
 2025-09-29 11:20:29 -07:00
Linus Torvalds
b7ce6fa90f vfs-6.18-rc1.misc 
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Merge tag 'vfs-6.18-rc1.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs

Pull misc vfs updates from Christian Brauner:
 "This contains the usual selections of misc updates for this cycle.

  Features:

   - Add "initramfs_options" parameter to set initramfs mount options.
     This allows to add specific mount options to the rootfs to e.g.,
     limit the memory size

   - Add RWF_NOSIGNAL flag for pwritev2()

     Add RWF_NOSIGNAL flag for pwritev2. This flag prevents the SIGPIPE
     signal from being raised when writing on disconnected pipes or
     sockets. The flag is handled directly by the pipe filesystem and
     converted to the existing MSG_NOSIGNAL flag for sockets

   - Allow to pass pid namespace as procfs mount option

     Ever since the introduction of pid namespaces, procfs has had very
     implicit behaviour surrounding them (the pidns used by a procfs
     mount is auto-selected based on the mounting process's active
     pidns, and the pidns itself is basically hidden once the mount has
     been constructed)

     This implicit behaviour has historically meant that userspace was
     required to do some special dances in order to configure the pidns
     of a procfs mount as desired. Examples include:

     * In order to bypass the mnt_too_revealing() check, Kubernetes
       creates a procfs mount from an empty pidns so that user
       namespaced containers can be nested (without this, the nested
       containers would fail to mount procfs)

       But this requires forking off a helper process because you cannot
       just one-shot this using mount(2)

     * Container runtimes in general need to fork into a container
       before configuring its mounts, which can lead to security issues
       in the case of shared-pidns containers (a privileged process in
       the pidns can interact with your container runtime process)

       While SUID_DUMP_DISABLE and user namespaces make this less of an
       issue, the strict need for this due to a minor uAPI wart is kind
       of unfortunate

       Things would be much easier if there was a way for userspace to
       just specify the pidns they want. So this pull request contains
       changes to implement a new "pidns" argument which can be set
       using fsconfig(2):

           fsconfig(procfd, FSCONFIG_SET_FD, "pidns", NULL, nsfd);
           fsconfig(procfd, FSCONFIG_SET_STRING, "pidns", "/proc/self/ns/pid", 0);

       or classic mount(2) / mount(8):

           // mount -t proc -o pidns=/proc/self/ns/pid proc /tmp/proc
           mount("proc", "/tmp/proc", "proc", MS_..., "pidns=/proc/self/ns/pid");

  Cleanups:

   - Remove the last references to EXPORT_OP_ASYNC_LOCK

   - Make file_remove_privs_flags() static

   - Remove redundant __GFP_NOWARN when GFP_NOWAIT is used

   - Use try_cmpxchg() in start_dir_add()

   - Use try_cmpxchg() in sb_init_done_wq()

   - Replace offsetof() with struct_size() in ioctl_file_dedupe_range()

   - Remove vfs_ioctl() export

   - Replace rwlock() with spinlock in epoll code as rwlock causes
     priority inversion on preempt rt kernels

   - Make ns_entries in fs/proc/namespaces const

   - Use a switch() statement() in init_special_inode() just like we do
     in may_open()

   - Use struct_size() in dir_add() in the initramfs code

   - Use str_plural() in rd_load_image()

   - Replace strcpy() with strscpy() in find_link()

   - Rename generic_delete_inode() to inode_just_drop() and
     generic_drop_inode() to inode_generic_drop()

   - Remove unused arguments from fcntl_{g,s}et_rw_hint()

  Fixes:

   - Document @name parameter for name_contains_dotdot() helper

   - Fix spelling mistake

   - Always return zero from replace_fd() instead of the file descriptor
     number

   - Limit the size for copy_file_range() in compat mode to prevent a
     signed overflow

   - Fix debugfs mount options not being applied

   - Verify the inode mode when loading it from disk in minixfs

   - Verify the inode mode when loading it from disk in cramfs

   - Don't trigger automounts with RESOLVE_NO_XDEV

     If openat2() was called with RESOLVE_NO_XDEV it didn't traverse
     through automounts, but could still trigger them

   - Add FL_RECLAIM flag to show_fl_flags() macro so it appears in
     tracepoints

   - Fix unused variable warning in rd_load_image() on s390

   - Make INITRAMFS_PRESERVE_MTIME depend on BLK_DEV_INITRD

   - Use ns_capable_noaudit() when determining net sysctl permissions

   - Don't call path_put() under namespace semaphore in listmount() and
     statmount()"

* tag 'vfs-6.18-rc1.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs: (38 commits)
  fcntl: trim arguments
  listmount: don't call path_put() under namespace semaphore
  statmount: don't call path_put() under namespace semaphore
  pid: use ns_capable_noaudit() when determining net sysctl permissions
  fs: rename generic_delete_inode() and generic_drop_inode()
  init: INITRAMFS_PRESERVE_MTIME should depend on BLK_DEV_INITRD
  initramfs: Replace strcpy() with strscpy() in find_link()
  initrd: Use str_plural() in rd_load_image()
  initramfs: Use struct_size() helper to improve dir_add()
  initrd: Fix unused variable warning in rd_load_image() on s390
  fs: use the switch statement in init_special_inode()
  fs/proc/namespaces: make ns_entries const
  filelock: add FL_RECLAIM to show_fl_flags() macro
  eventpoll: Replace rwlock with spinlock
  selftests/proc: add tests for new pidns APIs
  procfs: add "pidns" mount option
  pidns: move is-ancestor logic to helper
  openat2: don't trigger automounts with RESOLVE_NO_XDEV
  namei: move cross-device check to __traverse_mounts
  namei: remove LOOKUP_NO_XDEV check from handle_mounts
  ...
 2025-09-29 09:03:07 -07:00
Takashi Iwai
6b9c4a05ae ASoC: Updates for v6.18 round 2 
Some more updates for v6.18, mostly fixes for the earlier pull request
 with some cleanups and more minor fixes for older code.  We do have one
 new driver, the TI TAS2783A, and some quirks for new platforms.
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Merge tag 'asoc-v6.18-2' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-next

ASoC: Updates for v6.18 round 2

Some more updates for v6.18, mostly fixes for the earlier pull request
with some cleanups and more minor fixes for older code.  We do have one
new driver, the TI TAS2783A, and some quirks for new platforms.
 2025-09-28 15:41:17 +02:00
Kriish Sharma
fa7d16734f ALSA: compress: document 'chan_map' member in snd_dec_opus 
When building kernel docs, the following warning appeared:

  WARNING: ./include/uapi/sound/compress_params.h:364
  struct member 'chan_map' not described in 'snd_dec_opus'

The inline struct 'snd_dec_opus_ch_map' inside 'snd_dec_opus' was not
properly documented. This patch documents the 'chan_map' member and its
fields (stream_count, coupled_count, channel_map), resolving the warning.

Fixes: 5d36370f34 ("ALSA: compress: add raw opus codec define and opus decoder structs")
Suggested-by: Bagas Sanjaya <bagasdotme@gmail.com>
Signed-off-by: Kriish Sharma <kriish.sharma2006@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
 2025-09-28 08:29:03 +02:00
Matthieu Baerts (NGI0)
539f6b9de3 mptcp: pm: in-kernel: add laminar endpoints 
Currently, upon the reception of an ADD_ADDR (and when the fullmesh flag
is not used), the in-kernel PM will create new subflows using the local
address the routing configuration will pick.

It would be easier to pick local addresses from a selected list of
endpoints, and use it only once, than relying on routing rules.

Use case: both the client (C) and the server (S) have two addresses (a
and b). The client establishes the connection between C(a) and S(a).
Once established, the server announces its additional address S(b). Once
received, the client connects to it using its second address C(b).
Compared to a situation without the 'laminar' endpoint for C(b), the
client didn't use this address C(b) to establish a subflow to the
server's primary address S(a). So at the end, we have:

   C        S
  C(a) --- S(a)
  C(b) --- S(b)

In case of a 3rd address on each side (C(c) and S(c)), upon the
reception of an ADD_ADDR with S(c), the client should not pick C(b)
because it has already been used. C(c) should then be used.

Note that this situation is currently possible if C doesn't add any
endpoint, but configure the routing in order to pick C(b) for the route
to S(b), and pick C(c) for the route to S(c). That doesn't sound very
practical because it means knowing in advance the IP addresses that
will be used and announced by the server.

'laminar', like the idea of laminar flows: the different subflows don't
mix with each other on an endpoint, unlike the "turbulent" way traffic
is mixed by 'fullmesh'.

In the code, the new endpoint type is added. Similar to the other
subflow types, an MPTCP_INFO counter is added. While at it, hole are now
commented in struct mptcp_info, to remember next time that these holes
can no longer be used.

Closes: https://github.com/multipath-tcp/mptcp_net-next/issues/503
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20250925-net-next-mptcp-c-flag-laminar-v1-15-ad126cc47c6b@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2025-09-26 17:44:05 -07:00
Matthieu Baerts (NGI0)
e7757b6d3a mptcp: pm: in-kernel: rename 'local_addr_max' to 'endp_subflow_max' 
A few variables linked to the in-kernel Path-Manager are confusing, and
it would help current and future developers, to clarify them.

One of them is 'local_addr_max', which in fact represents the maximum
number of 'subflow' endpoints that can be used to create new subflows,
and not the number of local addresses that have been used to create
subflows.

While at it, add an additional name for the corresponding variable in
MPTCP INFO: mptcpi_endp_subflow_max. Not to break the current uAPI, the
new name is added as a 'define' pointing to the former name. This will
then also help userspace devs.

Also move the variable and function next to the other 'endp_X_max' ones.

No functional changes intended.

Reviewed-by: Geliang Tang <geliang@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20250925-net-next-mptcp-c-flag-laminar-v1-9-ad126cc47c6b@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2025-09-26 17:44:05 -07:00
Matthieu Baerts (NGI0)
37712d84df mptcp: pm: in-kernel: rename 'add_addr_accept_max' to 'limit_add_addr_accepted' 
A few variables linked to the in-kernel Path-Manager are confusing, and
it would help current and future developers, to clarify them.

One of them is 'add_addr_accept_max', which in fact represents the limit
of ADD_ADDR that can be accepted:  the limit set via 'ip mptcp limit
add_addr_accepted X' for example. It is not linked to the maximum number
of accepted ADD_ADDR.

While at it, add an additional name for the corresponding variable in
MPTCP INFO: mptcpi_limit_add_addr_accepted. Not to break the current
uAPI, the new name is added as a 'define' pointing to the former name.
This will then also help userspace devs.

No functional changes intended.

Reviewed-by: Geliang Tang <geliang@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20250925-net-next-mptcp-c-flag-laminar-v1-8-ad126cc47c6b@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2025-09-26 17:44:04 -07:00
Matthieu Baerts (NGI0)
45cae57066 mptcp: pm: in-kernel: rename 'add_addr_signal_max' to 'endp_signal_max' 
A few variables linked to the in-kernel Path-Manager are confusing, and
it would help current and future developers, to clarify them.

One of them is 'add_addr_signal_max', which in fact represents the
maximum number of 'signal' endpoints that can be used to announced
addresses, and not the number of ADD_ADDR that can be signalled.

While at it, add an additional name for the corresponding variable in
MPTCP INFO: mptcpi_endp_signal_max. Not to break the current uAPI, the
new name is added as a 'define' pointing to the former name. This will
then also help userspace devs.

No functional changes intended.

Reviewed-by: Geliang Tang <geliang@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20250925-net-next-mptcp-c-flag-laminar-v1-7-ad126cc47c6b@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2025-09-26 17:44:04 -07:00
Matthieu Baerts (NGI0)
3eb3c9a959 mptcp: pm: in-kernel: rename 'subflows_max' to 'limit_extra_subflows' 
A few variables linked to the in-kernel Path-Manager are confusing, and
it would help current and future developers, to clarify them.

One of them is 'subflows_max', which in fact represents the limit of
extra subflows: the limit set via 'ip mptcp limit subflows X' for
example. It is not linked to the maximum number of created / possible
subflows.

While at it, add an additional name for the corresponding variable in
MPTCP INFO: mptcpi_limit_extra_subflows. Not to break the current uAPI,
the new name is added as a 'define' pointing to the former name. This
will then also help userspace devs.

No functional changes intended.

Reviewed-by: Geliang Tang <geliang@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20250925-net-next-mptcp-c-flag-laminar-v1-6-ad126cc47c6b@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2025-09-26 17:44:04 -07:00
Matthieu Baerts (NGI0)
c5273f6ca1 mptcp: pm: rename 'subflows' to 'extra_subflows' 
A few variables linked to the Path-Managers are confusing, and it would
help current and future developers, to clarify them.

One of them is 'subflows', which in fact represents the number of extra
subflows: all the additional subflows created after the initial one, and
not the total number of subflows.

While at it, add an additional name for the corresponding variable in
MPTCP INFO: mptcpi_extra_subflows. Not to break the current uAPI, the
new name is added as a 'define' pointing to the former name. This will
then also help userspace devs.

No functional changes intended.

Reviewed-by: Geliang Tang <geliang@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20250925-net-next-mptcp-c-flag-laminar-v1-5-ad126cc47c6b@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2025-09-26 17:44:04 -07:00
Vadim Fedorenko
cc2f081299 ethtool: add FEC bins histogram report 
IEEE 802.3ck-2022 defines counters for FEC bins and 802.3df-2024
clarifies it a bit further. Implement reporting interface through as
addition to FEC stats available in ethtool. Drivers can leave bin
counter uninitialized if per-lane values are provided. In this case the
core will recalculate summ for the bin.

Signed-off-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Link: https://patch.msgid.link/20250924124037.1508846-2-vadim.fedorenko@linux.dev
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2025-09-26 16:49:18 -07:00
Jakub Kicinski
bb9a242ce5 linux-can-next-for-6.18-20250924 
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Merge tag 'linux-can-next-for-6.18-20250924' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can-next

Marc Kleine-Budde says:

====================
pull-request: can-next 2025-09-25

this is a pull request of 48 patches for net-next/main, which
supersedes tags/linux-can-next-for-6.18-20250923.

The 1st patch is by Xichao Zhao and converts ns_to_ktime() to
us_to_ktime() in the m_can driver.

Vincent Mailhol contributes 2 patches: Updating the MAINTAINERS and
mailmap files to Vincent's new email address and sorting the includes
in the CAN helper library alphabeticaly.

Stéphane Grosjean's patch modifies all peak CAN drivers and the
mailmap to reflect Stéphane's new email address.

4 patches by Biju Das update the CAN-FD handling in the rcar_canfd
driver.

Followed by 11 patches by Geert Uytterhoeven updating and improving
the rcar_can driver.

Stefan Mätje contributes 2 patches for the esd_usb driver updating the
error messages.

The next 3 patch series are all by Vincent Mailhol: 3 patches to
optimize the size of struct raw_sock and struct uniqframe. 4 patches
which rework the CAN MTU logic as preparation for CAN-XL interfaces.
And finally 20 patches that prepare and refactor the CAN netlink code
for the upcoming CAN-XL support.

* tag 'linux-can-next-for-6.18-20250924' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can-next: (48 commits)
  can: netlink: add userland error messages
  can: dev: add can_get_ctrlmode_str()
  can: calc_bittiming: make can_calc_tdco() FD agnostic
  can: netlink: make can_tdc_fill_info() FD agnostic
  can: netlink: add can_bitrate_const_fill_info()
  can: netlink: add can_bittiming_const_fill_info()
  can: netlink: add can_bittiming_fill_info()
  can: netlink: add can_data_bittiming_get_size()
  can: netlink: make can_tdc_get_size() FD agnostic
  can: netlink: add can_ctrlmode_changelink()
  can: netlink: add can_dtb_changelink()
  can: netlink: make can_tdc_changelink() FD agnostic
  can: netlink: remove useless check in can_tdc_changelink()
  can: netlink: refactor CAN_CTRLMODE_TDC_{AUTO,MANUAL} flag reset logic
  can: netlink: add can_validate_databittiming()
  can: netlink: add can_validate_tdc()
  can: netlink: refactor can_validate_bittiming()
  can: netlink: document which symbols are FD specific
  can: dev: make can_get_relative_tdco() FD agnostic and move it to bittiming.h
  can: dev: move struct data_bittiming_params to linux/can/bittiming.h
  ...
====================

Link: https://patch.msgid.link/20250925121332.848157-1-mkl@pengutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2025-09-26 14:46:59 -07:00
Jakub Kicinski
94aced6ed9 Quite a bit more things, including pull requests from drivers: 
- mt76: MLO support, HW restart improvements
  - rtw88/89: small features, prep for RTL8922DE support
  - ath10k: GTK rekey fixes
  - cfg80211/mac80211:
    - additions for more NAN support
    - S1G channel representation cleanup
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Merge tag 'wireless-next-2025-09-25' of https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next

Johannes Berg says:

====================
Quite a bit more things, including pull requests from drivers:

 - mt76: MLO support, HW restart improvements
 - rtw88/89: small features, prep for RTL8922DE support
 - ath10k: GTK rekey fixes
 - cfg80211/mac80211:
   - additions for more NAN support
   - S1G channel representation cleanup

* tag 'wireless-next-2025-09-25' of https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next: (167 commits)
  wifi: libertas: add WQ_UNBOUND to alloc_workqueue users
  Revert "wifi: libertas: WQ_PERCPU added to alloc_workqueue users"
  wifi: libertas: WQ_PERCPU added to alloc_workqueue users
  wifi: cfg80211: fix width unit in cfg80211_radio_chandef_valid()
  wifi: ath11k: HAL SRNG: don't deinitialize and re-initialize again
  wifi: ath12k: enforce CPU endian format for all QMI data
  wifi: ath12k: Use 1KB Cache Flush Command for QoS TID Descriptors
  wifi: ath12k: Fix flush cache failure during RX queue update
  wifi: ath12k: Add Retry Mechanism for REO RX Queue Update Failures
  wifi: ath12k: Refactor REO command to use ath12k_dp_rx_tid_rxq
  wifi: ath12k: Refactor RX TID buffer cleanup into helper function
  wifi: ath12k: Refactor RX TID deletion handling into helper function
  wifi: ath12k: Increase DP_REO_CMD_RING_SIZE to 256
  wifi: cfg80211: remove IEEE80211_CHAN_{1,2,4,8,16}MHZ flags
  wifi: rtw89: avoid circular locking dependency in ser_state_run()
  wifi: rtw89: fix leak in rtw89_core_send_nullfunc()
  wifi: rtw89: avoid possible TX wait initialization race
  wifi: rtw89: fix use-after-free in rtw89_core_tx_kick_off_and_wait()
  wifi: ath12k: Fix peer lookup in ath12k_dp_mon_rx_deliver_msdu()
  wifi: mac80211: fix Rx packet handling when pubsta information is not available
  ...
====================

Link: https://patch.msgid.link/20250925232341.4544-3-johannes@sipsolutions.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2025-09-26 14:27:28 -07:00
Theodore Ts'o
04a91570ac ext4: implemet new ioctls to set and get superblock parameters 
Implement the EXT4_IOC_GET_TUNE_SB_PARAM and
EXT4_IOC_SET_TUNE_SB_PARAM ioctls, which allow certains superblock
parameters to be set while the file system is mounted, without needing
write access to the block device.

Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Message-ID: <20250916-tune2fs-v2-3-d594dc7486f0@mit.edu>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
 2025-09-26 08:36:08 -04:00
Jakub Kicinski
203e3beb73 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 
Cross-merge networking fixes after downstream PR (net-6.17-rc8).

Conflicts:

drivers/net/can/spi/hi311x.c
  6b69680847 ("can: hi311x: fix null pointer dereference when resuming from sleep before interface was enabled")
  27ce71e1ce ("net: WQ_PERCPU added to alloc_workqueue users")
https://lore.kernel.org/72ce7599-1b5b-464a-a5de-228ff9724701@kernel.org

net/smc/smc_loopback.c
drivers/dibs/dibs_loopback.c
  a35c04de25 ("net/smc: fix warning in smc_rx_splice() when calling get_page()")
  cc21191b58 ("dibs: Move data path to dibs layer")
https://lore.kernel.org/74368a5c-48ac-4f8e-a198-40ec1ed3cf5f@kernel.org

Adjacent changes:

drivers/net/dsa/lantiq/lantiq_gswip.c
  c0054b25e2 ("net: dsa: lantiq_gswip: move gswip_add_single_port_br() call to port_setup()")
  7a1eaef0a7 ("net: dsa: lantiq_gswip: support model-specific mac_select_pcs()")

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2025-09-25 11:00:59 -07:00
Linus Torvalds
4ff71af020 Including fixes from Bluetooth, IPsec and CAN. 
No known regressions at this point.
 
 Current release - regressions:
 
   - xfrm: xfrm_alloc_spi shouldn't use 0 as SPI
 
 Previous releases - regressions:
 
   - xfrm: fix offloading of cross-family tunnels
 
   - bluetooth: fix several races leading to UaFs
 
   - dsa: lantiq_gswip: fix FDB entries creation for the CPU port
 
   - eth: tun: update napi->skb after XDP process
 
   - eth: mlx: fix UAF in flow counter release
 
 Previous releases - always broken:
 
   - core: forbid FDB status change while nexthop is in a group
 
   - smc: fix warning in smc_rx_splice() when calling get_page()
 
   - can: provide missing ndo_change_mtu(), to prevent buffer overflow.
 
   - eth: i40e: fix VF config validation
 
   - eth: broadcom: fix support for PTP_EXTTS_REQUEST2 ioctl
 
 Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-6.17-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Pull networking fixes from Paolo Abeni:
 "Including fixes from Bluetooth, IPsec and CAN.

  No known regressions at this point.

  Current release - regressions:

   - xfrm: xfrm_alloc_spi shouldn't use 0 as SPI

  Previous releases - regressions:

   - xfrm: fix offloading of cross-family tunnels

   - bluetooth: fix several races leading to UaFs

   - dsa: lantiq_gswip: fix FDB entries creation for the CPU port

   - eth:
       - tun: update napi->skb after XDP process
       - mlx: fix UAF in flow counter release

  Previous releases - always broken:

   - core: forbid FDB status change while nexthop is in a group

   - smc: fix warning in smc_rx_splice() when calling get_page()

   - can: provide missing ndo_change_mtu(), to prevent buffer overflow.

   - eth:
       - i40e: fix VF config validation
       - broadcom: fix support for PTP_EXTTS_REQUEST2 ioctl"

* tag 'net-6.17-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (40 commits)
  octeontx2-pf: Fix potential use after free in otx2_tc_add_flow()
  net: dsa: lantiq_gswip: suppress -EINVAL errors for bridge FDB entries added to the CPU port
  net: dsa: lantiq_gswip: move gswip_add_single_port_br() call to port_setup()
  libie: fix string names for AQ error codes
  net/mlx5e: Fix missing FEC RS stats for RS_544_514_INTERLEAVED_QUAD
  net/mlx5: HWS, ignore flow level for multi-dest table
  net/mlx5: fs, fix UAF in flow counter release
  selftests: fib_nexthops: Add test cases for FDB status change
  selftests: fib_nexthops: Fix creation of non-FDB nexthops
  nexthop: Forbid FDB status change while nexthop is in a group
  net: allow alloc_skb_with_frags() to use MAX_SKB_FRAGS
  bnxt_en: correct offset handling for IPv6 destination address
  ptp: document behavior of PTP_STRICT_FLAGS
  broadcom: fix support for PTP_EXTTS_REQUEST2 ioctl
  broadcom: fix support for PTP_PEROUT_DUTY_CYCLE
  Bluetooth: MGMT: Fix possible UAFs
  Bluetooth: hci_event: Fix UAF in hci_acl_create_conn_sync
  Bluetooth: hci_event: Fix UAF in hci_conn_tx_dequeue
  Bluetooth: hci_sync: Fix hci_resume_advertising_sync
  Bluetooth: Fix build after header cleanup
  ...
 2025-09-25 08:23:52 -07:00
Linus Torvalds
93a2744561 virtio,vhost: last minute fixes 
More small fixes. Most notably this fixes crashes and hangs in
 vhost-net.
 
 Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost

Pull virtio fixes from Michael Tsirkin:
 "virtio,vhost: last minute fixes

  More small fixes. Most notably this fixes crashes and hangs in
  vhost-net"

* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
  MAINTAINERS, mailmap: Update address for Peter Hilber
  virtio_config: clarify output parameters
  uapi: vduse: fix typo in comment
  vhost: Take a reference on the task in struct vhost_task.
  vhost-net: flush batched before enabling notifications
  Revert "vhost/net: Defer TX queue re-enable until after sendmsg"
  vhost-net: unbreak busy polling
  vhost-scsi: fix argument order in tport allocation error message
 2025-09-25 08:06:03 -07:00
Vincent Mailhol
94040a8f48 can: netlink: document which symbols are FD specific 
The CAN XL netlink interface will also have data bitrate and TDC
parameters. The current FD parameters do not have a prefix in their
names to differentiate them.

Because the netlink interface is part of the UAPI, it is unfortunately
not feasible to rename the existing symbols to add an FD_ prefix. The
best alternative is to add a comment for each of the symbols to notify
the reader of which parts are CAN FD specific.

While at it, fix a typo: transiver -> transceiver.

Signed-off-by: Vincent Mailhol <mailhol@kernel.org>
Link: https://patch.msgid.link/20250923-canxl-netlink-prep-v4-3-e720d28f66fe@kernel.org
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
 2025-09-24 17:09:44 +02:00
Armin Wolf
1c1658058c hwmon: (dell-smm) Add support for automatic fan mode 
Many machines treat fan state 3 as some sort of automatic mode,
which is superior to the separate SMM calls for switching to
automatic fan mode for two reasons:

- the fan control mode can be controlled for each fan separately
- the current fan control mode can be retrieved from the BIOS

On some machines however, this special fan state does not exist.
Fan state 3 acts like a regular fan state on such machines or
does not exist at all. Such machines usually use separate SMM calls
for enabling/disabling automatic fan control.

Add support for it. If the machine supports separate SMM calls
for changing the fan control mode, then the other interface is
ignored.

Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Link: https://lore.kernel.org/r/20250917181036.10972-4-W_Armin@gmx.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
 2025-09-24 07:50:09 -07:00
Arnd Bergmann
ff0bebab77 Add Qualcomm TEE driver (QTEE) 
This introduces a Trusted Execution Environment (TEE) driver for
 Qualcomm TEE (QTEE).
 
 QTEE enables Trusted Applications (TAs) and services to run securely. It
 uses an object-based interface, where each service is an object with
 sets of operations.
 
 Kernel and userspace services are also available to QTEE through a
 similar approach. QTEE makes callback requests that are converted into
 object invocations. These objects can represent services within the
 kernel or userspace process.
 
 We extend the TEE subsystem to understand object parameters and an ioctl
 call so client can invoke objects in QTEE:
   - TEE_IOCTL_PARAM_ATTR_TYPE_OBJREF_*
   - TEE_IOC_OBJECT_INVOKE
 
 The existing ioctl calls TEE_IOC_SUPPL_RECV and TEE_IOC_SUPPL_SEND are
 used for invoking services in the userspace process by QTEE.
 
 The TEE backend driver uses the QTEE Transport Message to communicate
 with QTEE. Interactions through the object INVOKE interface are
 translated into QTEE messages. Likewise, object invocations from QTEE
 for userspace objects are converted into SEND/RECV ioctl calls to
 supplicants.
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Merge tag 'tee-qcomtee-for-v6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/jenswi/linux-tee into soc/drivers

Add Qualcomm TEE driver (QTEE)

This introduces a Trusted Execution Environment (TEE) driver for
Qualcomm TEE (QTEE).

QTEE enables Trusted Applications (TAs) and services to run securely. It
uses an object-based interface, where each service is an object with
sets of operations.

Kernel and userspace services are also available to QTEE through a
similar approach. QTEE makes callback requests that are converted into
object invocations. These objects can represent services within the
kernel or userspace process.

We extend the TEE subsystem to understand object parameters and an ioctl
call so client can invoke objects in QTEE:
  - TEE_IOCTL_PARAM_ATTR_TYPE_OBJREF_*
  - TEE_IOC_OBJECT_INVOKE

The existing ioctl calls TEE_IOC_SUPPL_RECV and TEE_IOC_SUPPL_SEND are
used for invoking services in the userspace process by QTEE.

The TEE backend driver uses the QTEE Transport Message to communicate
with QTEE. Interactions through the object INVOKE interface are
translated into QTEE messages. Likewise, object invocations from QTEE
for userspace objects are converted into SEND/RECV ioctl calls to
supplicants.

* tag 'tee-qcomtee-for-v6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/jenswi/linux-tee:
  Documentation: tee: Add Qualcomm TEE driver
  tee: qcom: enable TEE_IOC_SHM_ALLOC ioctl
  tee: qcom: add primordial object
  tee: add Qualcomm TEE driver
  tee: increase TEE_MAX_ARG_SIZE to 4096
  tee: add TEE_IOCTL_PARAM_ATTR_TYPE_OBJREF
  tee: add TEE_IOCTL_PARAM_ATTR_TYPE_UBUF
  tee: add close_context to TEE driver operation
  tee: allow a driver to allocate a tee_device without a pool

Link: https://lore.kernel.org/r/20250915174957.GA2040478@rayden
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
 2025-09-23 23:08:25 +02:00
Mykyta Yatsenko
5c8fd7e2b5 bpf: bpf task work plumbing 
This patch adds necessary plumbing in verifier, syscall and maps to
support handling new kfunc bpf_task_work_schedule and kernel structure
bpf_task_work. The idea is similar to how we already handle bpf_wq and
bpf_timer.
verifier changes validate calls to bpf_task_work_schedule to make sure
it is safe and expected invariants hold.
btf part is required to detect bpf_task_work structure inside map value
and store its offset, which will be used in the next patch to calculate
key and value addresses.
arraymap and hashtab changes are needed to handle freeing of the
bpf_task_work: run code needed to deinitialize it, for example cancel
task_work callback if possible.
The use of bpf_task_work and proper implementation for kfuncs are
introduced in the next patch.

Signed-off-by: Mykyta Yatsenko <yatsenko@meta.com>
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Eduard Zingerman <eddyz87@gmail.com>
Link: https://lore.kernel.org/r/20250923112404.668720-6-mykyta.yatsenko5@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
 2025-09-23 07:34:38 -07:00
Greg Kroah-Hartman
fc3e44e492 IIO: New device support, features and cleanup for 6.18 
New device support
 ==================
 
 ad,ade9000
 - New driver for this complex energy and power monitoring ADC.
 infineon,tlv493d
 - New driver for this 3D magnetic sensor.
 intel,dollar
 - New driver for this TI PMIC (part number unknown)
 marvel,88pm886
 - Driver for this PMIC ADC.
 microchip,mcp9600
 - Add explicit support for the mcp9601 which has some additional features
   over the mcp9600.
 rohm,bd79112
 - New driver for this ADC / GPIO Chip.
 
 Features
 ========
 Core
 - New helper to multiply data expressed in IIO types.
 - Add KUnit tests.
 - New IIO_ALTCURRENT type, similar to existing IIO_ALTVOLTAGE
 - Add some channel modifiers related to energy and power, such as
   reactive.
 adi,ad7124
 - Support external clocks sources and output of the internal clocks.
 - Filter control.
 adi,ad7173
 - Add filter support. Some fiddly interactions with other parameters on this
   device.
 adi,ad7779
 - Add backend support which required control of the number of lanes used.
 liteon,ltr390
 - Add runtime PM support.
 microchip,mcp9600
 - Add support for different thermocouple types.
 
 Cleanup and minor fixes
 =======================
 
 core
 - Switch info_mask fields to be unsigned. Not clear why they were ever
   signed.
 - Fix handling of negative channel scale in iio_convert_raw_to_processed()
 - Fix offset handling for channels without a scale attribute.
 - Improve the precision of scaling slightly.
 - Drop apparent handling of IIO_CHAN_INFO_PROCESSED for devices that don't
   have any such channels.
 various
 - Drop many pm_runtime_mark_last_busy() calls now
   pm_runtime_put_autosuspend() calls it internally.
 - Drop dev_err_probe() calls where the error code is hard coded as -ENOMEM
   as they don't do anything.
 - Drop dev_err() calls where the error code is -ENOMEM. This will reduce
   error prints, but memory failures generate a lot of messages anyway
   so unlikely we need these prints.
 current-sense-amplifier
 - Add #io-channels property this channel to be used by a consumer driver.
 adi,ad7124
 - Fix incorrect clocks dt-binding property.
 - Make the mclk clock optional in DT - this is internal to the ADC so should
   never have been in he binding.
 - Fix up sample rate to comply with ABI.
 - Use read_avail() callback rather than opencoding similar.
 - Deploy guard() to clean up some lock handling.
 adi,ad7768
 - Use devm_regulator_get_enable_read_voltage() to replace similar code.
 adi,ad7816
 - Drop an unnecessary dev_set_drvdata() call as nothing uses the data.
 ad,adxl345
 - Fix missing blank line before bullet list in documentation.
 arm,scmi
 - Use devm_kcalloc() for an array allocation rather than devm_kzalloc().
 bosch,bmi270
 - Match an ACPI ID seen in the wild. It is not spec compliant but we can't
   do much about that.
 bosch,bmp280
 - Drop overly noisy dev_info()
 - Allow for sleeping gpio controllers.
 gogle,cros-ec
 - Drop unused location attribute that has been replaced by label.
 invense,icm42600
 - Simplify the power management.
 - Use guard() to simplify some locking.
 maxim,max1238
 - Add io-channel-cells property to dt-binding as there is an in tree
   consumer.
 microchip,mcp9600
 - Specify a default value in dt-binding for the thermocouple type
 - General whitespace cleanup.
 samsung,exynos
 - Drop support for the S3C2410 including bindings, and touchscreen support
   as nothing else uses that.
 - Drop platform ID based binding as not used.
 st,vl53l0x
 - Fix returning the wrong variable in an error path.
 ti,pac1934
 - Replace open coded devm_mutex_init().
 xilinx,ams
 - Update maintainers entry.
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Merge tag 'iio-for-6.18a' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/jic23/iio into char-misc-next

Jonathan writes:

IIO: New device support, features and cleanup for 6.18

New device support
==================

ad,ade9000
- New driver for this complex energy and power monitoring ADC.
infineon,tlv493d
- New driver for this 3D magnetic sensor.
intel,dollar
- New driver for this TI PMIC (part number unknown)
marvel,88pm886
- Driver for this PMIC ADC.
microchip,mcp9600
- Add explicit support for the mcp9601 which has some additional features
  over the mcp9600.
rohm,bd79112
- New driver for this ADC / GPIO Chip.

Features
========
Core
- New helper to multiply data expressed in IIO types.
- Add KUnit tests.
- New IIO_ALTCURRENT type, similar to existing IIO_ALTVOLTAGE
- Add some channel modifiers related to energy and power, such as
  reactive.
adi,ad7124
- Support external clocks sources and output of the internal clocks.
- Filter control.
adi,ad7173
- Add filter support. Some fiddly interactions with other parameters on this
  device.
adi,ad7779
- Add backend support which required control of the number of lanes used.
liteon,ltr390
- Add runtime PM support.
microchip,mcp9600
- Add support for different thermocouple types.

Cleanup and minor fixes
=======================

core
- Switch info_mask fields to be unsigned. Not clear why they were ever
  signed.
- Fix handling of negative channel scale in iio_convert_raw_to_processed()
- Fix offset handling for channels without a scale attribute.
- Improve the precision of scaling slightly.
- Drop apparent handling of IIO_CHAN_INFO_PROCESSED for devices that don't
  have any such channels.
various
- Drop many pm_runtime_mark_last_busy() calls now
  pm_runtime_put_autosuspend() calls it internally.
- Drop dev_err_probe() calls where the error code is hard coded as -ENOMEM
  as they don't do anything.
- Drop dev_err() calls where the error code is -ENOMEM. This will reduce
  error prints, but memory failures generate a lot of messages anyway
  so unlikely we need these prints.
current-sense-amplifier
- Add #io-channels property this channel to be used by a consumer driver.
adi,ad7124
- Fix incorrect clocks dt-binding property.
- Make the mclk clock optional in DT - this is internal to the ADC so should
  never have been in he binding.
- Fix up sample rate to comply with ABI.
- Use read_avail() callback rather than opencoding similar.
- Deploy guard() to clean up some lock handling.
adi,ad7768
- Use devm_regulator_get_enable_read_voltage() to replace similar code.
adi,ad7816
- Drop an unnecessary dev_set_drvdata() call as nothing uses the data.
ad,adxl345
- Fix missing blank line before bullet list in documentation.
arm,scmi
- Use devm_kcalloc() for an array allocation rather than devm_kzalloc().
bosch,bmi270
- Match an ACPI ID seen in the wild. It is not spec compliant but we can't
  do much about that.
bosch,bmp280
- Drop overly noisy dev_info()
- Allow for sleeping gpio controllers.
gogle,cros-ec
- Drop unused location attribute that has been replaced by label.
invense,icm42600
- Simplify the power management.
- Use guard() to simplify some locking.
maxim,max1238
- Add io-channel-cells property to dt-binding as there is an in tree
  consumer.
microchip,mcp9600
- Specify a default value in dt-binding for the thermocouple type
- General whitespace cleanup.
samsung,exynos
- Drop support for the S3C2410 including bindings, and touchscreen support
  as nothing else uses that.
- Drop platform ID based binding as not used.
st,vl53l0x
- Fix returning the wrong variable in an error path.
ti,pac1934
- Replace open coded devm_mutex_init().
xilinx,ams
- Update maintainers entry.

* tag 'iio-for-6.18a' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/jic23/iio: (178 commits)
  MAINTAINERS: Support ROHM BD79112 ADC
  iio: adc: Support ROHM BD79112 ADC/GPIO
  dt-bindings: iio: adc: ROHM BD79112 ADC/GPIO
  iio: pressure: bmp280: Use gpiod_set_value_cansleep()
  iio: pressure: bmp280: Remove noisy dev_info()
  iio: ABI: add filter types for ad7173
  iio: adc: ad7173: support changing filter type
  iio: adc: ad7173: rename odr field
  iio: adc: ad7173: rename ad7173_chan_spec_ext_info
  iio: adc: Add driver for Marvell 88PM886 PMIC ADC
  dt-bindings: mfd: 88pm886: Add #io-channel-cells
  iio: ABI: document "sinc4+rej60" filter_type
  iio: adc: ad7124: add filter support
  iio: adc: ad7124: support fractional sampling_frequency
  iio: adc: ad7124: use guard(mutex) to simplify return paths
  iio: adc: ad7124: use read_avail() for scale_available
  iio: adc: ad7124: use clamp()
  iio: adc: ad7124: fix sample rate for multi-channel use
  Documentation: ABI: iio: add sinc4+lp
  docs: iio: add documentation for ade9000 driver
  ...
 2025-09-23 14:15:25 +02:00
Mark Brown
2bfb20b65d
 		spi: rpc-if: Add resume support for RZ/G3E 
Merge series from Biju Das <biju.das.jz@bp.renesas.com>:

On RZ/G3E using PSCI, s2ram powers down the SoC. After resume,
reinitialize the hardware for SPI operations.

Also Replace the macro SIMPLE_DEV_PM_OPS->DEFINE_SIMPLE_DEV_PM_OPS macro
and use pm_sleep_ptr(). This lets us drop the check for CONFIG_PM_SLEEP
and __maybe_unused attribute from PM functions.
 2025-09-23 10:57:52 +02:00
Mark Brown
fd98145543
 		Support reading Subsystem ID from Device Tree 
Merge series from Stefan Binding <sbinding@opensource.cirrus.com>:

In PC systems using ACPI, the driver is able to read back an SSID from
the _SUB property. This SSID uniquely identifies the system, which
enables the driver to read the correct firmware and tuning for that
system from linux-firmware. Currently there is no way of reading this
property from device tree. Add an equivalent property in device tree
to perform the same role.
 2025-09-23 10:28:45 +02:00
KP Singh
3492715683 bpf: Implement signature verification for BPF programs 
This patch extends the BPF_PROG_LOAD command by adding three new fields
to `union bpf_attr` in the user-space API:

  - signature: A pointer to the signature blob.
  - signature_size: The size of the signature blob.
  - keyring_id: The serial number of a loaded kernel keyring (e.g.,
    the user or session keyring) containing the trusted public keys.

When a BPF program is loaded with a signature, the kernel:

1.  Retrieves the trusted keyring using the provided `keyring_id`.
2.  Verifies the supplied signature against the BPF program's
    instruction buffer.
3.  If the signature is valid and was generated by a key in the trusted
    keyring, the program load proceeds.
4.  If no signature is provided, the load proceeds as before, allowing
    for backward compatibility. LSMs can chose to restrict unsigned
    programs and implement a security policy.
5.  If signature verification fails for any reason,
    the program is not loaded.

Tested-by: syzbot@syzkaller.appspotmail.com
Signed-off-by: KP Singh <kpsingh@kernel.org>
Link: https://lore.kernel.org/r/20250921160120.9711-2-kpsingh@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
 2025-09-22 18:58:03 -07:00
Matthieu Baerts (NGI0)
5c967ebb55 mptcp: use _BITUL() instead of (1 << x) 
Simply to use the proper way to declare bits, and to align with all
other flags declared in this file.

No functional changes intended.

Reviewed-by: Geliang Tang <geliang@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20250919-net-next-mptcp-server-side-flag-v1-5-a97a5d561a8b@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2025-09-22 11:51:25 -07:00
Matthieu Baerts (NGI0)
3d7ae91107 mptcp: pm: netlink: announce server-side flag 
Now that the 'flags' attribute is used, it seems interesting to add one
flag for 'server-side', a boolean value.

This is duplicating the info from the dedicated 'server-side' attribute,
but it will be deprecated in the next commit, and removed in a few
versions.

Reviewed-by: Geliang Tang <geliang@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20250919-net-next-mptcp-server-side-flag-v1-2-a97a5d561a8b@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2025-09-22 11:51:24 -07:00
Matthieu Baerts (NGI0)
c9809f03c1 mptcp: pm: netlink: only add server-side attr when true 
This attribute is a boolean. No need to add it to set it to 'false'.

Indeed, the default value when this attribute is not set is naturally
'false'. A few bytes can then be saved by not adding this attribute if
the connection is not on the server side.

This prepares the future deprecation of its attribute, in favour of a
new flag.

Reviewed-by: Geliang Tang <geliang@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20250919-net-next-mptcp-server-side-flag-v1-1-a97a5d561a8b@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2025-09-22 11:51:24 -07:00
Jacob Keller
cd875625b4 ptp: document behavior of PTP_STRICT_FLAGS 
Commit 6138e687c7 ("ptp: Introduce strict checking of external time stamp
options.") added the PTP_STRICT_FLAGS to the set of flags supported for the
external timestamp request ioctl.

It is only supported by PTP_EXTTS_REQUEST2, as it was introduced the
introduction of the new ioctls. Further, the kernel has always set this
flag for PTP_EXTTS_REQUEST2 regardless of whether or not the user requested
the behavior.

This effectively means that the flag is not useful for userspace. If the
user issues a PTP_EXTTS_REQUEST ioctl, the flag is ignored due to not being
supported on the old ioctl. If the user issues a PTP_EXTTS_REQUEST2 ioctl,
the flag will be set by the kernel regardless of whether the user set the
flag in their structure.

Add a comment documenting this behavior in the uAPI header file.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Reviewed-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Reviewed-by: Kory Maincent <kory.maincent@bootlin.com>
Tested-by: James Clark <jjc@jclark.com>
Link: https://patch.msgid.link/20250918-jk-fix-bcm-phy-supported-flags-v1-3-747b60407c9c@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2025-09-22 11:36:30 -07:00
Haixu Cui
6a1f3390fa
 		virtio-spi: Add virtio-spi.h 
Add virtio-spi.h header for virtio SPI.

Signed-off-by: Haixu Cui <quic_haixcui@quicinc.com>
Link: https://patch.msgid.link/20250908092348.1283552-3-quic_haixcui@quicinc.com
Signed-off-by: Mark Brown <broonie@kernel.org>
 2025-09-22 09:29:29 +01:00
Haixu Cui
d9a2211dd3
 		virtio: Add ID for virtio SPI 
Add VIRTIO_ID_SPI definition for virtio SPI.

Signed-off-by: Haixu Cui <quic_haixcui@quicinc.com>
Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Link: https://patch.msgid.link/20250908092348.1283552-2-quic_haixcui@quicinc.com
Signed-off-by: Mark Brown <broonie@kernel.org>
 2025-09-22 09:29:28 +01:00
Dave Airlie
342f141ba9 amd-drm-next-6.18-2025-09-19: 
amdgpu:
 - Fence drv clean up fix
 - DPC fixes
 - Misc display fixes
 - Support the MMIO remap page as a ttm pool
 - JPEG parser updates
 - UserQ updates
 - VCN ctx handling fixes
 - Documentation updates
 - Misc cleanups
 - SMU 13.0.x updates
 - SI DPM updates
 - GC 11.x cleaner shader updates
 - DMCUB updates
 - DML fixes
 - Improve fallback handling for pixel encoding
 - VCN reset improvements
 - DCE6 DC updates
 - DSC fixes
 - Use devm for i2c buses
 - GPUVM locking updates
 - GPUVM documentation improvements
 - Drop non-DC DCE11 code
 - S0ix fixes
 - Backlight fix
 - SR-IOV fixes
 
 amdkfd:
 - SVM updates
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Merge tag 'amd-drm-next-6.18-2025-09-19' of https://gitlab.freedesktop.org/agd5f/linux into drm-next

amd-drm-next-6.18-2025-09-19:

amdgpu:
- Fence drv clean up fix
- DPC fixes
- Misc display fixes
- Support the MMIO remap page as a ttm pool
- JPEG parser updates
- UserQ updates
- VCN ctx handling fixes
- Documentation updates
- Misc cleanups
- SMU 13.0.x updates
- SI DPM updates
- GC 11.x cleaner shader updates
- DMCUB updates
- DML fixes
- Improve fallback handling for pixel encoding
- VCN reset improvements
- DCE6 DC updates
- DSC fixes
- Use devm for i2c buses
- GPUVM locking updates
- GPUVM documentation improvements
- Drop non-DC DCE11 code
- S0ix fixes
- Backlight fix
- SR-IOV fixes

amdkfd:
- SVM updates

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Alex Deucher <alexander.deucher@amd.com>
Link: https://lore.kernel.org/r/20250919193354.2989255-1-alexander.deucher@amd.com
 2025-09-22 08:45:51 +10:00