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Linus Torvalds
0db1496dcb printk changes for 7.2 
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Merge tag 'printk-for-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux

Pull printk updates from Petr Mladek:

 - Add upper case flavor for printing MAC addresses (%p[mM][U]) and use
   it in the nintendo driver

 - Fix matching of hash_pointers= parameter modes

 - Fix size check of vsprintf() field_width and precision values

 - Add check of size returned by vsprintf()

 - Add KUnit test for restricted pointer printing (%pK)

 - Some code cleanup

* tag 'printk-for-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux:
  HID: nintendo: Use %pM format specifier for MAC addresses
  vsprintf: Add upper case flavour to %p[mM]
  lib/vsprintf: replace min_t/max_t with min/max
  printk: fix typos in comments
  lib/vsprintf: Require exact hash_pointers mode matches
  vsprintf: Add test for restricted kernel pointers
  vsprintf: Only export no_hash_pointers to test module
  lib/vsprintf: Limit the returning size to INT_MAX
  lib/vsprintf: Fix to check field_width and precision
 2026-06-17 12:05:20 -07:00
Linus Torvalds
09fb6892f3 Devicetree updates for v7.2: 
DT core:
 - Add support for handling multiple cells in "iommu-map" entries.
 
 - Support only 1 entry in /reserved-memory "reg" entries. Support for
   more than 1 entry has been broken.
 
 - Fix a UAF on alloc_reserved_mem_array() failure
 
 - Make "ibm,phandle" handling logic specific to PPC
 
 - Use memcpy() instead of strcpy() for known length strings
 
 - Ensure __of_find_n_match_cpu_property() handles malformed "reg"
   entries
 
 - Add various checks that expected strings are strings before accessing
   them
 
 - Drop redundant memset() when unflattening DT
 
 DT bindings:
 - Add a DTS style checker. Currently hooked up to dt_binding_check to
   check examples.
 
 - Convert st,nomadik platform, ti,omap-dmm, and ti,irq-crossbar
   bindings to DT schema
 
 - Add Apple System Management Controller hwmon, Qualcomm Hamoa Embedded
   Controller, Qualcomm IPQ6018 PWM controller, fsl,mc1323, Samsung
   SOFEF01-M DDIC panel, Freescale i.MX53 Television Encoder, Samsung S2M
   series PMIC extcon, and MT6365 PMIC AuxADC schemas
 
 - Extend bindings for QCom Maili and Nord PDC, QCom Hali fastrpc,
   qcom,eliza-imem, qcom,oryon-1-5 CPU, and MT6365 Keys
 
 - Consolidate "sram" property definitions
 
 - Fix constraints on "nvmem" properties which only contain phandles and
   no arg cells
 
 - Another pass of fixing "phandle-array" constraints
 
 - Add Gira vendor prefix
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Merge tag 'devicetree-for-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull devicetree updates from Rob Herring:
 "DT core:

   - Add support for handling multiple cells in "iommu-map" entries

   - Support only 1 entry in /reserved-memory "reg" entries. Support for
     more than 1 entry has been broken

   - Fix a UAF on alloc_reserved_mem_array() failure

   - Make "ibm,phandle" handling logic specific to PPC

   - Use memcpy() instead of strcpy() for known length strings

   - Ensure __of_find_n_match_cpu_property() handles malformed "reg"
     entries

   - Add various checks that expected strings are strings before
     accessing them

   - Drop redundant memset() when unflattening DT

  DT bindings:

   - Add a DTS style checker. Currently hooked up to dt_binding_check to
     check examples

   - Convert st,nomadik platform, ti,omap-dmm, and ti,irq-crossbar
     bindings to DT schema

   - Add Apple System Management Controller hwmon, Qualcomm Hamoa
     Embedded Controller, Qualcomm IPQ6018 PWM controller, fsl,mc1323,
     Samsung SOFEF01-M DDIC panel, Freescale i.MX53 Television Encoder,
     Samsung S2M series PMIC extcon, and MT6365 PMIC AuxADC schemas

   - Extend bindings for QCom Maili and Nord PDC, QCom Hali fastrpc,
     qcom,eliza-imem, qcom,oryon-1-5 CPU, and MT6365 Keys

   - Consolidate "sram" property definitions

   - Fix constraints on "nvmem" properties which only contain phandles
     and no arg cells

   - Another pass of fixing "phandle-array" constraints

   - Add Gira vendor prefix"

* tag 'devicetree-for-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (50 commits)
  dt-bindings: interrupt-controller: qcom,pdc: Add Maili compatible string
  dt-bindings: interrupt-controller: ti,irq-crossbar: Convert to DT schema
  dt-bindings: vendor-prefixes: add Gira
  dt-bindings: embedded-controller: Add Qualcomm reference device EC description
  dt-bindings: pwm: add IPQ6018 binding
  dt-bindings: hwmon: Add Apple System Management Controller hwmon schema
  docs: dt: writing-schema: Clarify what is required in a schema
  of: Respect #{iommu,msi}-cells in maps
  of: Factor arguments passed to of_map_id() into a struct
  of: Add convenience wrappers for of_map_id()
  of: reserved_mem: zero total_reserved_mem_cnt if no valid /reserved-memory entry
  of: reserved_mem: handle NULL name in of_reserved_mem_lookup()
  dt-bindings: cache: l2c2x0: Add missing power-domains
  dt-bindings: interrupt-controller: renesas,r9a09g077-icu: Fix reg size in example
  dt-bindings: nvmem: consumer: Make 'nvmem' an array of one-item entries
  drivers/of/overlay: Use memcpy() to copy known length strings
  dt-bindings: add self-test fixtures for style checker
  dt-bindings: wire style checker into dt_binding_check
  scripts/jobserver-exec: propagate child exit status
  dt-bindings: add DTS style checker
  ...
 2026-06-17 11:54:57 -07:00
Linus Torvalds
d44ade05aa virtio,vhost,vdpa: features, fixes 
- new virtio CAN driver
 - support for LoongArch architecture in fw_cfg
 - support for firmware notifications in vdpa/octeon_ep
 - support for VFs in virtio core
 
 - fixes, cleanups all over the place, notably
     - vhost: fix vhost_get_avail_idx for a non empty ring
       fixing an significant old perf regression
     - plus READ_ONCE annotations mean virtio ring is now
       free of KCSAN warnings
 
 Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost

Pull virtio updates from Michael Tsirkin:

 - new virtio CAN driver

 - support for LoongArch architecture in fw_cfg

 - support for firmware notifications in vdpa/octeon_ep

 - support for VFs in virtio core

 - fixes, cleanups all over the place, notably:

    - vhost: fix vhost_get_avail_idx for a non empty ring
      fixing an significant old perf regression

    - READ_ONCE() annotations mean virtio ring is now
      free of KCSAN warnings

* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: (37 commits)
  can: virtio: Fix comment in UAPI header
  can: virtio: Add virtio CAN driver
  virtio: add num_vf callback to virtio_bus
  fw_cfg: Add support for LoongArch architecture
  vdpa/octeon_ep: fix IRQ-to-ring mapping in interrupt handler
  vdpa/octeon_ep: Add vDPA device event handling for firmware notifications
  vdpa/octeon_ep: Use 4 bytes for mailbox signature
  vdpa/octeon_ep: Fix PF->VF mailbox data address calculation
  vhost_task_create: kill unnecessary .exit_signal initialization
  vhost: remove unnecessary module_init/exit functions
  vdpa/mlx5: Use kvzalloc_flex() for MTT command memory
  vdpa_sim_net: switch to dynamic root device
  vdpa_sim_blk: switch to dynamic root device
  virtio-mem: Destroy mutex before freeing virtio_mem
  virtio-balloon: Destroy mutex before freeing virtio_balloon
  tools/virtio: fix build for kmalloc_obj API and missing stubs
  virtio_ring: Add READ_ONCE annotations for device-writable fields
  vduse: fix compat handling for VDUSE_IOTLB_GET_FD/VDUSE_VQ_GET_INFO
  tools/virtio: check mmap return value in vringh_test
  vhost/net: complete zerocopy ubufs only once
  ...
 2026-06-17 11:49:00 -07:00
Linus Torvalds
3dc0df0339 VFIO updates for v7.2-rc1 
- Fix out-of-tree vfio selftest builds with make O=. (Jason Gunthorpe)
 
  - Allow vfio selftests to build when ARCH=x86 is used for 64-bit x86
    builds. (David Matlack)
 
  - Tighten vfio selftest infrastructure with stricter builds, safer
    path handling, sysfs helpers, and reusable device/VF-token setup.
    Build on that to add the SR-IOV UAPI selftest across supported
    IOMMU modes. (Raghavendra Rao Ananta)
 
  - Conclude earlier vfio PCI BAR work already taken as v7.1 fixes by
    replacing vfio_pci_core_setup_barmap() and direct barmap[] access
    with vfio_pci_core_get_iomap().  Fix resulting sparse warnings.
    (Matt Evans)
 
  - Simplify hisi_acc vfio-pci variant driver device-info reads by
    using the mailbox's new direct command-based read helper.
    (Weili Qian)
 
  - Avoid duplicate reset handling in the Xe vfio-pci variant driver
    reset-done path. (GuoHan Zhao)
 
  - Resolve a lockdep circular dependency splat by tracking active
    VFs with a private sriov_active flag rather than calling
    pci_num_vf() under memory_lock. (Raghavendra Rao Ananta)
 
  - Add CXL DVSEC-based readiness polling for Blackwell-Next in the
    nvgrace-gpu vfio-pci variant driver, including interruptible,
    lockless waits to support worst case spec defined timeouts.
    (Ankit Agrawal)
 
  - Prevent vfio_mig_get_next_state() from spinning forever on blocked
    migration state transition. (Junrui Luo)
 
  - Fix a qat vfio variant driver migration resume race by taking the
    migration file lock before boundary checks. (Giovanni Cabiddu)
 
  - Add explicit dependencies between vfio selftest output object files
    and output directories to ensure directories are always created.
    (David Matlack)
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Merge tag 'vfio-v7.2-rc1' of https://github.com/awilliam/linux-vfio

Pull VFIO updates from Alex Williamson:

 - Fix out-of-tree vfio selftest builds with make O= (Jason Gunthorpe)

 - Allow vfio selftests to build when ARCH=x86 is used for 64-bit x86
   builds (David Matlack)

 - Tighten vfio selftest infrastructure with stricter builds, safer path
   handling, sysfs helpers, and reusable device/VF-token setup. Build on
   that to add the SR-IOV UAPI selftest across supported IOMMU modes
   (Raghavendra Rao Ananta)

 - Conclude earlier vfio PCI BAR work already taken as v7.1 fixes by
   replacing vfio_pci_core_setup_barmap() and direct barmap[] access
   with vfio_pci_core_get_iomap(). Fix resulting sparse warnings (Matt
   Evans)

 - Simplify hisi_acc vfio-pci variant driver device-info reads by using
   the mailbox's new direct command-based read helper (Weili Qian)

 - Avoid duplicate reset handling in the Xe vfio-pci variant driver
   reset-done path (GuoHan Zhao)

 - Resolve a lockdep circular dependency splat by tracking active VFs
   with a private sriov_active flag rather than calling pci_num_vf()
   under memory_lock (Raghavendra Rao Ananta)

 - Add CXL DVSEC-based readiness polling for Blackwell-Next in the
   nvgrace-gpu vfio-pci variant driver, including interruptible,
   lockless waits to support worst case spec defined timeouts (Ankit
   Agrawal)

 - Prevent vfio_mig_get_next_state() from spinning forever on blocked
   migration state transition (Junrui Luo)

 - Fix a qat vfio variant driver migration resume race by taking the
   migration file lock before boundary checks (Giovanni Cabiddu)

 - Add explicit dependencies between vfio selftest output object files
   and output directories to ensure directories are always created
   (David Matlack)

* tag 'vfio-v7.2-rc1' of https://github.com/awilliam/linux-vfio:
  vfio: selftests: Ensure libvfio output dirs are always created
  vfio/qat: fix f_pos race in qat_vf_resume_write()
  vfio: prevent infinite loop in vfio_mig_get_next_state() on blocked arc
  vfio/nvgrace-gpu: Add Blackwell-Next GPU readiness check via CXL DVSEC
  vfio/pci: Use a private flag to prevent power state change with VFs
  vfio/pci: Fix sparse warning in vfio_pci_core_get_iomap()
  vfio/xe: avoid duplicate reset in xe_vfio_pci_reset_done
  hisi_acc_vfio_pci: simplify the command for reading device information
  vfio/pci: Replace vfio_pci_core_setup_barmap() with vfio_pci_core_get_iomap()
  vfio: selftests: Add tests to validate SR-IOV UAPI
  vfio: selftests: Add helpers to alloc/free vfio_pci_device
  vfio: selftests: Add helper to set/override a vf_token
  vfio: selftests: Expose more vfio_pci_device functions
  vfio: selftests: Extend container/iommufd setup for passing vf_token
  vfio: selftests: Introduce a sysfs lib
  vfio: selftests: Introduce snprintf_assert()
  vfio: selftests: Add -Wall and -Werror to the Makefile
  vfio: selftests: Allow builds when ARCH=x86
  vfio: selftests: Fix out-of-tree build with make O=
 2026-06-17 11:42:17 -07:00
Linus Torvalds
407ce27e74 m68knommu: updates and fixes for v7.2 
. update stmark board support
 . clock fixes for m5441x ColdFire
 . base hardware support for DAC block of m5441x ColdFire
 . select legacy gpiolib interface for mcfqspi
 . new defconfigs for more ColdFire based boards
 . unify ColdFire SoC register access
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Merge tag 'm68knommu-for-v7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu

Pull m68knommu updates from Greg Ungerer:

 - an update and config refresh for the stmark board

 - fixes and preparatory work for supporting the DAC hardware block of
   the m5441x ColdFire SoC

 - forced configuration fix for legacy gpiolib when enabling the mcfqspi
   driver

 - new defconfigs for the M5329EVB, M54418EVB and NETtel boards to give
   better build test coverage For ColdFire parts

 - cleanup to register access code in the core init and setup code for
   ColdFire SoC be consistent, instead of a varied use of
   __raw_readX/__raw_write and straight readX/writeX.

   This is working towards fixing the non-standard endianess of the
   non-MMU m68k readX/writeX functions.

* tag 'm68knommu-for-v7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu: (22 commits)
  m68k: stmark2: enable DACs outputs
  m68k: stmark2: add mcf5441x DAC platform devices
  m68k: stmark2: use ioport.h macros for resources
  m68k: mcf5441x: add CCR MISCCR2 bitfields
  m68k: mcf5441x: add CCM registers
  m68k: add DAC modules base addresses
  m68k: mcf5441x: add clock for DAC channel 1
  m68k: mcf5441x: fix clocks numbering
  m68k: coldfire: use ColdFire specifc IO access in SoC code
  m68k: coldfire: use ColdFire specifc IO access in system code
  m68k: coldfire: rename timer register access defines
  m68k: coldfire: use ColdFire specifc IO access in timer code
  m68k: coldfire: use ColdFire specifc IO access in interrupt code
  m68k: coldfire: use ColdFire specific IO access in headers
  m68k: coldfire: create IO access functions for internal registers
  m68k: defconfig: update all ColdFire defconfigs
  m68k: defconfig: add config for SnapGear/NETtel board
  m68k: defconfig: add config for M54418EVB board
  m68k: defconfig: add config for M5329EVB board
  m68k: coldfire: select legacy gpiolib interface for mcfqspi
  ...
 2026-06-17 11:34:05 -07:00
Linus Torvalds
6505114e82 soc: arm code changes for 7.2 
The largest addition here is the revived support for the ZTE ZX
 SoC platform, though this mostly documentation.
 
 The other changes are code cleanups that deal with continued
 conversion of the GPIO library away from GPIO numbers to
 descriptors and a few minor bugfixes.
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Merge tag 'soc-arm-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull arm SoC code updates from Arnd Bergmann:
 "The largest addition here is the revived support for the ZTE ZX SoC
  platform, though this mostly documentation.

  The other changes are code cleanups that deal with continued
  conversion of the GPIO library away from GPIO numbers to descriptors
  and a few minor bugfixes"

* tag 'soc-arm-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
  MAINTAINERS: Add Axiado reviewer and Maintainers
  ARM: remove the last few uses of do_bad_IRQ()
  ARM: imx31: Fix IIM mapping leak in revision check
  ARM: imx3: Fix CCM node reference leak
  ARM: orion5x: update board check in mss2_pci_init() to use the DT
  arm: mvebu_v5_defconfig: remove stale MACH_LINKSTATION_LSCHL reference
  ARM: mvebu: simplify of_node_put calls
  ARM: mvebu: drop unnecessary NULL check
  arm: boot: ep93xx: don't rely on machine_is_*() for removed board files
  ARM: zte: clean up zx297520v3 doc. warnings
  arm64: Kconfig: drop unneeded dependency on OF_GPIO for ARCH_MVEBU
  firmware: imx: sm-misc: Make scmi_imx_misc_ctrl_nb variable static
  ARM: zte: Add zx297520v3 platform support
  ARM: pxa: pxa27x: attach software node to its target GPIO controller
  ARM: pxa: pxa25x: attach software node to its target GPIO controller
  ARM: pxa: spitz: attach software nodes to their target GPIO controllers
  ARM: pxa: statify platform device definitions in spitz board file
  ARM: omap2: simplify allocation for omap_device
  ARM: select legacy gpiolib interfaces where used
  ARM: s3c: use gpio lookup table for LEDs
 2026-06-17 11:28:10 -07:00
Linus Torvalds
61cf958810 soc: defconfig updates for 7.2 
The main change this time is a cleanup series from Krzysztof Kozlowski
 that updates the defconfig files to be more in sync with changes to
 the Kconfig files that moved options around or removed the completely.
 
 In addition, a number of drivers get enabled, in order to support
 more hardware out of the box, as usual.
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Merge tag 'soc-defconfig-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull SoC defconfig updates from Arnd Bergmann:
 "The main change this time is a cleanup series from Krzysztof Kozlowski
  that updates the defconfig files to be more in sync with changes to
  the Kconfig files that moved options around or removed the completely.

  In addition, a number of drivers get enabled, in order to support more
  hardware out of the box, as usual"

* tag 'soc-defconfig-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
  arm64: defconfig: enable BST SDHCI controller
  arm64: configs: Update defconfig for AST2700 platform support
  ARM: multi_v7_defconfig: Enable dma-buf heaps
  ARM: configs: Drop duplicated CONFIG_EXT4_FS
  arm64: defconfig: Enable DP83822 PHY driver
  ARM: configs: at91: sama7: add sama7d65 i3c-hci
  arm64: defconfig: Enable PCI M.2 power sequencing driver
  arm64: defconfig: Enable CIX Sky1 pinctrl, PCIe host, and Cadence GPIO
  ARM: multi_v7_defconfig: Correct QCOM_RPMH and QCOM_RPMHPD
  ARM: multi_v7_defconfig: Cleanup redundant options
  ARM: configs: Drop redundant SND_ATMEL_SOC
  ARM: configs: Drop redundant I2C_DESIGNWARE_PLATFORM
  ARM: multi_v7_defconfig: Move entries to match savedefconfig
  arm64: defconfig: Switch Ethernet drivers to modules
  arm64: defconfig: Drop unused Ethernet vendors
  arm64: defconfig: Drop default or selected drivers
  arm64: defconfig: Drop unused legacy netfilter options
  arm64: defconfig: Move entries to match savedefconfig
  pinctrl: qcom: Make important drivers default (2)
 2026-06-17 11:26:33 -07:00
Linus Torvalds
70cb95c736 soc: drivers for 7.2 
There are a few added drivers, but mostly the normal maintenance to drivers
 for firmware, memory controller and other soc specific hadware:
 
  - The NXP QuickEngine gets modern MSI support, which allows some cleanups to
    the GICv3 irqchip chip driver
 
  - A new SoC specific driver for the Renesas R-Car MFIS unit is added,
    encapsulating support for the on-chip mailbox and hwspinlock
    implementations that are not easily separated into individual
    drivers
 
  - The Qualcomm SoC drivers add support for additional SoC implementations,
    and flexiblity around power managedment for the serial-engine driver
    as well as probing the LLCC driver using custom hardware descriptions
    inside of the device itself.
 
  - Added support for the Samsung thermal management unit
 
  - A cleanup to the Tegra 'PMC' driver interfaces to remove legacy
    APIs and allow multiple PMC instances everywhere.
 
  - Updates to the TI SCI and KNAS drivers to improve suspend/resume
    support.
 
  - Minor driver changes for mediatek, xilinx, allwinner, aspeed, tegra,
    broadcom, amd, microchip and starfive specific drivers
 
  - Memory controller updates for Tegra and Renesas for additional SoC
    types and other improvements.
 
  - Firmware driver updates for Arm FF-A, SMCCC and SCMI interfaces,
    to update driver probing, object lifetimes and address minor bugs.
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Merge tag 'soc-drivers-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull SoC driver updates from Arnd Bergmann:
 "There are a few added drivers, but mostly the normal maintenance to
  drivers for firmware, memory controller and other soc specific
  hardware:

   - The NXP QuickEngine gets modern MSI support, which allows some
     cleanups to the GICv3 irqchip chip driver

   - A new SoC specific driver for the Renesas R-Car MFIS unit is added,
     encapsulating support for the on-chip mailbox and hwspinlock
     implementations that are not easily separated into individual
     drivers

   - The Qualcomm SoC drivers add support for additional SoC
     implementations, and flexibility around power management for the
     serial-engine driver as well as probing the LLCC driver using
     custom hardware descriptions inside of the device itself.

   - Added support for the Samsung thermal management unit

   - A cleanup to the Tegra 'PMC' driver interfaces to remove legacy
     APIs and allow multiple PMC instances everywhere.

   - Updates to the TI SCI and KNAS drivers to improve suspend/resume
     support.

   - Minor driver changes for mediatek, xilinx, allwinner, aspeed,
     tegra, broadcom, amd, microchip and starfive specific drivers

   - Memory controller updates for Tegra and Renesas for additional SoC
     types and other improvements.

   - Firmware driver updates for Arm FF-A, SMCCC and SCMI interfaces, to
     update driver probing, object lifetimes and address minor bugs"

* tag 'soc-drivers-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (189 commits)
  Revert "firmware: zynqmp: Add dynamic CSU register discovery and sysfs interface"
  Revert "Documentation: ABI: add sysfs interface for ZynqMP CSU registers"
  memory: tegra234: drop dead NULL check in tegra234_mc_icc_aggregate()
  memory: tegra264: drop redundant tegra264_mc_icc_aggregate()
  memory: tegra186-emc: stop borrowing MC aggregate hook for EMC
  soc: aspeed: cleanup dead default for ASPEED_SOCINFO
  firmware: tegra: bpmp: Add support for multi-socket platforms
  firmware: tegra: bpmp: Propagate debugfs errors
  soc/tegra: pmc: Add Tegra238 support
  soc/tegra: pmc: Restrict power-off handler to Nexus 7
  soc/tegra: pmc: Populate powergate debugfs only when needed
  soc/tegra: pmc: Move legacy code behind CONFIG_ARM guard
  soc/tegra: pmc: Remove unused legacy functions
  soc/tegra: pmc: Create PMC context dynamically
  firmware: samsung: acpm: remove compile-testing stubs
  firmware: samsung: acpm: Add devm_acpm_get_by_phandle helper
  firmware: samsung: acpm: Add TMU protocol support
  firmware: samsung: acpm: Make acpm_ops const and access via pointer
  firmware: samsung: acpm: Drop redundant _ops suffix in acpm_ops members
  firmware: samsung: acpm: Annotate rx_data->cmd with __counted_by_ptr
  ...
 2026-06-17 11:21:40 -07:00
Linus Torvalds
aab799b1bd soc: devicetree updates for 7.2 
There are fewer devicetree updates this time that the last few ones, with
 five SoC types getting added:
 
  - Qualcomm Dragonwing IPQ9650 is a new wireless networking SoC using
    four Cortex-A55 and one Cortex-A78 core, which is a significant
    upgrade from older generations
 
  - ZTE zx297520v3 is an older low-end wireless SoC using a single
    Cortex-A53 core, which so far can only run 32-bit kernels.  This brings
    back the ZX family of chips that was removed in 2021 after support
    for the original zx296702 and zx296718 chips was never completed.
 
  - Renesas R-Car M3Le (R8A779MD) is a variant of the R-Car M3-N (R8A77965)
    automotive SoC.
 
  - Apple t8122 (M3) is the 2023 generation of their laptop SoCs,
    which has now been reverse-engineered to the point of having initial
    kernel support for five laptop models.
 
  - ASPEED AST27xx is their first baseboard managment controller using
    a 64-bit core, the Cortex-A35, following earlier generations using
    ARMv5/v6/v7 CPUs.
 
 These all come with one or more initial boards, and in total there
 are 39 new boards getting added across SoC families, including:
 
  - Two NAS boxes using the old Cortina Systems Gemini SoC based on
    an ARMv4 FA526 CPU core
 
  - 18 industrial embedded boards using NXP i.MX6/8/9 and LX2160A
    SoCs from Variscite, Toradex and SolidRun, plus a number of
    overlays for combinations with additional boards
 
  - One new carrier board and SoM using TI K3 AM62x, in addition to
    new overlays for older SoMs
 
  - Two new boards using Spacemit K3 (no relation with TI) RISC-V
    SoCs.
 
  - Three phones from Google, Nothing and Motorola, all using Qualcomm
    Snapdragon SoCs
 
  - AST26xx BMC support for two server boards
 
 While there is still a significant number of patches improving hardware
 support for the existing boards across vendors (NXP, Qualcomm, Renesas,
 Rockchips, Mediatek, ...), a much smaller number of cleanups and warning
 fixes have made it in this time.
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Merge tag 'soc-dt-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull SoC devicetree updates from Arnd Bergmann:
 "There are fewer devicetree updates this time that the last few ones,
  with five SoC types getting added:

   - Qualcomm Dragonwing IPQ9650 is a new wireless networking SoC using
     four Cortex-A55 and one Cortex-A78 core, which is a significant
     upgrade from older generations

   - ZTE zx297520v3 is an older low-end wireless SoC using a single
     Cortex-A53 core, which so far can only run 32-bit kernels. This
     brings back the ZX family of chips that was removed in 2021 after
     support for the original zx296702 and zx296718 chips was never
     completed.

   - Renesas R-Car M3Le (R8A779MD) is a variant of the R-Car M3-N
     (R8A77965) automotive SoC.

   - Apple t8122 (M3) is the 2023 generation of their laptop SoCs, which
     has now been reverse-engineered to the point of having initial
     kernel support for five laptop models.

   - ASPEED AST27xx is their first baseboard managment controller using
     a 64-bit core, the Cortex-A35, following earlier generations using
     ARMv5/v6/v7 CPUs.

  These all come with one or more initial boards, and in total there are
  39 new boards getting added across SoC families, including:

   - Two NAS boxes using the old Cortina Systems Gemini SoC based on an
     ARMv4 FA526 CPU core

   - 18 industrial embedded boards using NXP i.MX6/8/9 and LX2160A SoCs
     from Variscite, Toradex and SolidRun, plus a number of overlays for
     combinations with additional boards

   - One new carrier board and SoM using TI K3 AM62x, in addition to new
     overlays for older SoMs

   - Two new boards using Spacemit K3 (no relation with TI) RISC-V SoCs.

   - Three phones from Google, Nothing and Motorola, all using Qualcomm
     Snapdragon SoCs

   - AST26xx BMC support for two server boards

  While there is still a significant number of patches improving
  hardware support for the existing boards across vendors (NXP,
  Qualcomm, Renesas, Rockchips, Mediatek, ...), a much smaller number
  of cleanups and warning fixes have made it in this time"

* tag 'soc-dt-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (665 commits)
  arm64: dts: aspeed: Fix duplicate pinctrl labels and address scheme
  arm64: dts: bst: enable eMMC controller in C1200
  dt-bindings: display/lvds-codec: add ti,sn65lvds93
  arm64: dts: allwinner: a523: Add missing GPIO interrupt
  arm64: dts: lx2160a-rev2: avoid 32-bit pcie window system ram overlap
  arm64: dts: aspeed: Add initial AST27xx SoC device tree
  arm64: Kconfig: Add ASPEED SoC family Kconfig support
  dt-bindings: arm: aspeed: Add AST2700 board compatible
  arm64: dts: allwinner: a523: add gpadc node
  arm64: dts: allwinner: Add EL2 virtual timer interrupt
  ARM: dts: sun8i: a83t: Add MIPI CSI-2 controller node
  dt-bindings: media: sun6i-a31-isp: Add optional interconnect properties
  dt-bindings: media: sun6i-a31-csi: Add optional interconnect properties
  arm64: dts: imx{91,93}-phyboard-segin: Add peb-av-18 overlays
  arm64: dts: imx93-var-som-symphony: enable ADC
  arm64: dts: imx93-var-som-symphony: enable TPM3 PWM
  arm64: dts: imx93-var-som-symphony: keep RGB_SEL low
  arm64: dts: imx93-var-som-symphony: enable UART7
  arm64: dts: imx93-var-som-symphony: add TPM support
  arm64: dts: imx91-var-som-symphony: fix RGB_SEL handling
  ...
 2026-06-17 11:16:56 -07:00
Linus Torvalds
66affa37cf audit/stable-7.2 PR 20260615 
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Merge tag 'audit-pr-20260615' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit

Pull audit updates from Paul Moore:

 - Fix a recursive deadlock when duplicating executable file rules

   Avoid multiple lookups and attempted I_MUTEX_PARENT locks when moving
   watched files by passing the already resolved inodes through the
   audit code.

 - Fix removal of executable watch rules after the file is deleted

   Prior to this fix we were unable to remove an executable file watch
   where the file had been previously deleted due to a negative dentry
   check in the code that performs the lookup on the file watches.

 - Convert our basic "unsigned" type usage to "unsigned int".

* tag 'audit-pr-20260615' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit:
  audit: fix recursive locking deadlock in audit_dupe_exe()
  audit: fix removal of dangling executable rules
  audit: use 'unsigned int' instead of 'unsigned'
 2026-06-17 12:55:09 +01:00
Linus Torvalds
231e9d447e selinux/stable-7.2 PR 20260615 
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Merge tag 'selinux-pr-20260615' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux

Pull selinux updates from Paul Moore:
 "A number of SELinux patches, almost all of which are either minor
  fixes or hardening patches:

   - Additional verifications when loading new SELinux policy

     Multiple patches by Christian Göttsche to add additional
     validations to the code responsible for loading and parsing SELinux
     policy as it is loaded into the kernel.

   - Avoid nontransitive comparisons comparisons in our sorting code

     Done to prevent unexpected sorting results due to overflow. Qualys
     documented a similar issue with glibc

	https://www.qualys.com/2024/01/30/qsort.txt

   - Consistently use u16 for SELinux security classes

   - Move from page allocations to kmalloc() based allocations

     Unfortunately one of these patches had to be reverted, but you
     should see a fixed version during the next merge window.

   - Move from kmalloc_objs() to kzalloc_objs() in the policy load code

   - Reorder sel_kill_sb() slightly to match other pseudo filesystems

   - Simplify things with QSTR() instead of QSTR_INIT()

   - Minor comment typo fixes"

* tag 'selinux-pr-20260615' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux:
  selinux: revert use of __getname() in selinux_genfs_get_sid()
  selinux: comment spelling fix in ibpkey.c
  selinux: comment typo fix in selinuxfs.c
  selinux: hooks: use __getname() to allocate path buffer
  selinux: use k[mz]alloc() to allocate temporary buffers
  selinux: check for simple types
  selinux: more strict bounds check
  selinux: beef up isvalid checks
  selinux: reorder policydb_index()
  selinux: check type attr map overflows
  selinux: check length fields in policies
  selinux: more strict policy parsing
  selinux: use u16 for security classes
  selinux: avoid nontransitive comparison
  selinux: switch two allocations to use kzalloc_objs()
  selinux: fix sel_kill_sb()
  selinux: use QSTR() instead of QSTR_INIT() in init_sel_fs
 2026-06-17 12:41:00 +01:00
Linus Torvalds
87599bd298 lsm/stable-7.2 PR 20260615 
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Merge tag 'lsm-pr-20260615' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/lsm

Pull lsm update from Paul Moore:
 "A single LSM update the security_inode_listsecurity() hook to be able
  to leverage the xattr_list_one() helper function.

  We wanted to do this for a while, but we needed to fixup the callers
  in the NFS code first. With the NFS code changes shipping in Linux
  v7.0 and no one complaining, it seemed a good time to complete the
  shift"

* tag 'lsm-pr-20260615' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/lsm:
  security,fs,nfs,net: update security_inode_listsecurity() interface
 2026-06-17 12:34:16 +01:00
Linus Torvalds
5b33fc6492 sched_ext: Changes for v7.2 
This depends on the BPF arena work in bpf-next and should be pulled after
 it. for-7.1-fixes was merged in a few times to avoid conflicts with the
 feature changes.
 
 - Most of this continues the in-development sub-scheduler support, which
   lets a root BPF scheduler delegate to nested sub-schedulers. The
   dispatch-path building blocks landed in 7.1. A follow-up patchset in
   development will complete enqueue-path support for hierarchical
   scheduling. This cycle adds most of that infrastructure:
 
   - Topological CPU IDs (cids): a dense, topology-ordered CPU numbering
     where the CPUs of a core, LLC, or NUMA node form contiguous ranges,
     so a topology unit becomes a (start, length) slice. Raw CPU numbers
     are sparse and don't track topological closeness, which makes them
     clumsy for sharding work across sub-schedulers and awkward in BPF.
 
   - cmask: bitmaps windowed over a slice of cid space, so a sub-scheduler
     can track, for example, the idle cids of its shard without a full
     NR_CPUS cpumask.
 
   - A struct_ops variant that cid-form sub-schedulers register with,
     along with the cid-form kfuncs they call.
 
   - BPF arena integration, which sub-scheduler support is built on. The
     bpf-next additions let the kernel read and write the BPF scheduler's
     arena directly, turning it into a real kernel/BPF shared-memory
     channel. Shared state like the per-CPU cmask now lives there.
 
   - scx_qmap is reworked to exercise the new arena and cid interfaces.
 
 - Exit-dump improvements: dump the faulting CPU first, expose the exit
   CPU to BPF and userspace, and normalize the dump header.
 
 - Misc kfuncs and cleanups: a task-ID lookup kfunc, __printf checking on
   the error and dump formatters, header reorganization, and assorted
   fixes.
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Merge tag 'sched_ext-for-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/sched_ext

Pull sched_ext updates from Tejun Heo:
 "Most of this continues the in-development sub-scheduler support, which
  lets a root BPF scheduler delegate to nested sub-schedulers. The
  dispatch-path building blocks landed in 7.1. A follow-up patchset in
  development will complete enqueue-path support for hierarchical
  scheduling. This cycle adds most of that infrastructure:

   - Topological CPU IDs (cids): a dense, topology-ordered CPU numbering
     where the CPUs of a core, LLC, or NUMA node form contiguous ranges,
     so a topology unit becomes a (start, length) slice. Raw CPU numbers
     are sparse and don't track topological closeness, which makes them
     clumsy for sharding work across sub-schedulers and awkward in BPF.

   - cmask: bitmaps windowed over a slice of cid space, so a
     sub-scheduler can track, for example, the idle cids of its shard
     without a full NR_CPUS cpumask.

   - A struct_ops variant that cid-form sub-schedulers register with,
     along with the cid-form kfuncs they call.

   - BPF arena integration, which sub-scheduler support is built on. The
     bpf-next additions let the kernel read and write the BPF
     scheduler's arena directly, turning it into a real kernel/BPF
     shared-memory channel. Shared state like the per-CPU cmask now
     lives there.

   - scx_qmap is reworked to exercise the new arena and cid interfaces.

  Additionally:

   - Exit-dump improvements: dump the faulting CPU first, expose the
     exit CPU to BPF and userspace, and normalize the dump header.

   - Misc kfuncs and cleanups: a task-ID lookup kfunc, __printf checking
     on the error and dump formatters, header reorganization, and
     assorted fixes"

* tag 'sched_ext-for-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/sched_ext: (59 commits)
  sched_ext: Add scx_arena_to_kaddr() / scx_kaddr_to_arena()
  sched_ext: Make scx_bpf_kick_cid() return s32
  sched_ext: Add scx_cmask_test() and scx_cmask_for_each_cid()
  tools/sched_ext: Order single-cid cmask helpers as (cid, mask)
  sched_ext: Order single-cid cmask helpers as (cid, mask)
  selftests/sched_ext: Fix dsq_move_to_local check
  sched_ext: Guard BPF arena helper calls to fix 32-bit build
  sched_ext: idle: Fix errno loss in scx_idle_init()
  sched_ext: Convert ops.set_cmask() to arena-resident cmask
  sched_ext: Sub-allocator over kernel-claimed BPF arena pages
  sched_ext: Require an arena for cid-form schedulers
  sched_ext: Add cmask mask ops
  sched_ext: Track bits[] storage size in struct scx_cmask
  sched_ext: Rename scx_cmask.nr_bits to nr_cids
  tools/sched_ext: scx_qmap: Fix qa arena placement
  sched_ext: Mark !CONFIG_EXT_SUB_SCHED dummy stubs static inline
  sched_ext: Replace tryget_task_struct() with get_task_struct()
  sched_ext: Add scx_task_iter_relock() and use it in scx_root_enable_workfn()
  sched_ext: Fix ops_cid layout assert
  sched_ext: Use offsetofend on both sides of the ops_cid layout assert
  ...
 2026-06-17 12:10:11 +01:00
Linus Torvalds
83476cc97b cgroup: Changes for v7.2 
- Last cycle deferred css teardown on cgroup removal until the cgroup
   depopulated, so a css is not taken offline while tasks can still
   reference it. Disabling a controller through cgroup.subtree_control
   still had the same problem. This reworks the deferral from per-cgroup
   to per-css so that path is covered too.
 
 - New RDMA controller monitoring files: rdma.peak for per-device peak
   usage and rdma.events / rdma.events.local for resource-limit
   exhaustion. The max-limit parser was rewritten, fixing two input
   parsing bugs.
 
 - cpuset: fix a sched-domain leak on the domain-rebuild failure path and
   skip a redundant hardwall ancestor scan on v2.
 
 - Misc: pair the remaining lockless cgroup.max.* reads with WRITE_ONCE,
   assorted selftest robustness fixes, and doc path corrections.
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Merge tag 'cgroup-for-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup

Pull cgroup updates from Tejun Heo:

 - Last cycle deferred css teardown on cgroup removal until the cgroup
   depopulated, so a css is not taken offline while tasks can still
   reference it. Disabling a controller through cgroup.subtree_control
   still had the same problem. This reworks the deferral from per-cgroup
   to per-css so that path is covered too.

 - New RDMA controller monitoring files: rdma.peak for per-device peak
   usage and rdma.events / rdma.events.local for resource-limit
   exhaustion. The max-limit parser was rewritten, fixing two input
   parsing bugs.

 - cpuset: fix a sched-domain leak on the domain-rebuild failure path
   and skip a redundant hardwall ancestor scan on v2.

 - Misc: pair the remaining lockless cgroup.max.* reads with WRITE_ONCE,
   assorted selftest robustness fixes, and doc path corrections.

* tag 'cgroup-for-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup: (22 commits)
  cgroup: Migrate tasks to the root css when a controller is rebound
  docs: cgroup: Fix stale source file paths
  cgroup/cpuset: Free sched domains on rebuild guard failure
  cgroup: pair max limit READ_ONCE() with WRITE_ONCE()
  selftests/cgroup: enable memory controller in hugetlb memcg test
  cgroup/rdma: Drop unnecessary READ_ONCE() on event counters
  cgroup: Defer kill_css_finish() in cgroup_apply_control_disable()
  cgroup: Add per-subsys-css kill_css_finish deferral
  cgroup: Move populated counters to cgroup_subsys_state
  cgroup: Annotate unlocked nr_populated_* accesses with READ_ONCE/WRITE_ONCE
  cgroup: Inline cgroup_has_tasks() in cgroup.h
  cgroup/rdma: document rdma.peak, rdma.events and rdma.events.local
  cgroup/rdma: add rdma.events.local for per-cgroup allocation failure attribution
  cgroup/rdma: add rdma.events to track resource limit exhaustion
  cgroup/rdma: add rdma.peak for per-device peak usage tracking
  selftests/cgroup: check malloc return value in alloc_anon functions
  cgroup/cpuset: Skip hardwall ancestor scan in cpuset v2 in cpuset_current_node_allowed()
  selftests/cgroup: fix misleading debug message in test_cgfreezer_time_child
  selftests/cgroup: fix child process escaping to parent cleanup in test_cpucg_nice
  selftests/cgroup: Add NULL check after malloc in cgroup_util.c
  ...
 2026-06-17 12:03:56 +01:00
Linus Torvalds
d4d9d39f04 workqueue: Changes for v7.2 
- Continued progress toward making alloc_workqueue() unbound by default:
   more callers converted to WQ_PERCPU / system_percpu_wq / system_dfl_wq,
   and new warnings for queues that use neither WQ_PERCPU nor WQ_UNBOUND
   or the legacy system_wq / system_unbound_wq.
 
 - Misc: drop the now-trivial apply_wqattrs_lock()/unlock() wrappers,
   forbid the TEST_WORKQUEUE benchmark from being built-in, and fix a
   spurious pointer level in the worker debug-dump path.
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Merge tag 'wq-for-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq

Pull workqueue updates from Tejun Heo:

 - Continued progress toward making alloc_workqueue() unbound by
   default: more callers converted to WQ_PERCPU / system_percpu_wq /
   system_dfl_wq, and new warnings for queues that use neither WQ_PERCPU
   nor WQ_UNBOUND or the legacy system_wq / system_unbound_wq.

 - Misc: drop the now-trivial apply_wqattrs_lock()/unlock() wrappers,
   forbid the TEST_WORKQUEUE benchmark from being built-in, and fix a
   spurious pointer level in the worker debug-dump path.

* tag 'wq-for-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq:
  drm/bridge: anx7625: Add WQ_PERCPU add to alloc_workqueue
  wifi: ath6kl: fix invalid workqueue flags in ath6kl_usb_create()
  btrfs: Drop WQ_PERCPU from ordered_flags in btrfs_init_workqueues()
  workqueue: Add warnings and ensure one among WQ_PERCPU or WQ_UNBOUND is present
  workqueue: Add warnings and fallback if system_{unbound}_wq is used
  workqueue: drop spurious '*' from print_worker_info() fn declaration
  workqueue: forbid TEST_WORKQUEUE from being built-in
  workqueue: drop apply_wqattrs_lock()/unlock() wrappers
  umh: replace use of system_unbound_wq with system_dfl_wq
  rapidio: rio: add WQ_PERCPU to alloc_workqueue users
  media: ddbridge: add WQ_PERCPU to alloc_workqueue users
  platform: cznic: turris-omnia-mcu: replace use of system_wq with system_percpu_wq
  media: synopsys: hdmirx: replace use of system_unbound_wq with system_dfl_wq
  virt: acrn: Add WQ_PERCPU to alloc_workqueue users
 2026-06-17 11:57:44 +01:00
Linus Torvalds
59a6c7ac0a bitmap updates for v7.2 
- new handy helper FIELD_GET_SIGNED() (Yury);
  - arch test_and_set_bit_lock() and clear_bit_unlock() cleanup (Randy);
  - __bf_shf() simplification (Yury);
  - bitmap_print_to_pagebuf() removal (Yury);
  - RISCV/bitrev conditional support (Jindie, Yury);
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Merge tag 'bitmap-for-7.2' of https://github.com/norov/linux

Pull bitmap updates from Yury Norov:
 "This includes the new FIELD_GET_SIGNED() helper,
  bitmap_print_to_pagebuf() removal, RISCV/bitrev support, and a couple
  cleanups.

   - new handy helper FIELD_GET_SIGNED() (Yury)

   - arch test_and_set_bit_lock() and clear_bit_unlock() cleanup (Randy)

   - __bf_shf() simplification (Yury)

   - bitmap_print_to_pagebuf() removal (Yury)

   - RISCV/bitrev conditional support (Jindie, Yury)"

* tag 'bitmap-for-7.2' of https://github.com/norov/linux:
  MAINTAINERS: BITOPS: include bitrev.[ch]
  arch/riscv: Add bitrev.h file to support rev8 and brev8
  bitops: Define generic___bitrev8/16/32 for reuse
  lib/bitrev: Introduce GENERIC_BITREVERSE
  arch: select HAVE_ARCH_BITREVERSE conditionally on BITREVERSE
  bitmap: fix find helper documentation
  bitmap: drop bitmap_print_to_pagebuf()
  cpumask: switch cpumap_print_to_pagebuf() to using scnprintf()
  bitfield: wire __bf_shf to __builtin_ctzll
  bitops: use common function parameter names
  ptp: switch to using FIELD_GET_SIGNED()
  rtc: rv3032: switch to using FIELD_GET_SIGNED()
  wifi: rtw89: switch to using FIELD_GET_SIGNED()
  iio: mcp9600: switch to using FIELD_GET_SIGNED()
  iio: pressure: bmp280: switch to using FIELD_GET_SIGNED()
  iio: magnetometer: yas530: switch to using FIELD_GET_SIGNED()
  iio: intel_dc_ti_adc: switch to using FIELD_GET_SIGNED()
  x86/extable: switch to using FIELD_GET_SIGNED()
  bitfield: add FIELD_GET_SIGNED()
 2026-06-17 11:38:38 +01:00
Linus Torvalds
8479bb8c44 Modules changes for v7.2-rc1 
- Add a missing return value check for module_extend_max_pages()
   to prevent a kernel oops on memory allocation failure.
 
 - Force sh_addr to 0 for architecture-specific module sections on
   arm, arm64, m68k, and riscv. This prevents non-zero section
   addresses when linking modules with ld.bfd -r, which may cause
   tools to misbehave and result in worse compressibility.
 
 - Replace pr_warn! with pr_warn_once! for set_param null pointer
   warnings in Rust abstractions, now that the _once variant is
   available.
 
 Note that as part of our maintainer rotation, Petr Pavlu will be
 taking over module subsystem pull requests for the next six months.
 
 Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
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Merge tag 'modules-7.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/modules/linux

Pull modules updates from Sami Tolvanen:

 - Add a missing return value check for module_extend_max_pages() to
   prevent a kernel oops on memory allocation failure.

 - Force sh_addr to 0 for architecture-specific module sections on arm,
   arm64, m68k, and riscv. This prevents non-zero section addresses when
   linking modules with ld.bfd -r, which may cause tools to misbehave
   and result in worse compressibility.

 - Replace pr_warn! with pr_warn_once! for set_param null pointer
   warnings in Rust abstractions, now that the _once variant is
   available.

* tag 'modules-7.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/modules/linux:
  rust: module_param: add missing newline to pr_warn_once
  module: decompress: check return value of module_extend_max_pages()
  rust: module_param: use `pr_warn_once!` for null pointer warning
  module, riscv: force sh_addr=0 for arch-specific sections
  module, m68k: force sh_addr=0 for arch-specific sections
  module, arm64: force sh_addr=0 for arch-specific sections
  module, arm: force sh_addr=0 for arch-specific sections
 2026-06-17 11:35:58 +01:00
Linus Torvalds
056e065a6b sound updates for 7.2-rc1 
Unsurprisingly, we've had a fairly busy development cycle with
 various fixes and enhancements.  While the majority of changes consist
 of device-specific fixes, a significant number of cleanups, hardening,
 and modernizations have been applied to the core frameworks as well.
 
 Below are some highlights:
 
 * ALSA Core:
 - Hardening, race condition, and UAF/leak fixes in the ALSA timer and
   sequencer cores
 - Widespread adoption of flexible array members across core structures
 - Integration of new simple refcount helper functions to simplify code
 
 * ASoC Core:
 - Introduction of a unified SoundWire enumeration helper to clean up
   redundant device initialization across codecs
 - Enhancements to SDCA support, including handling devices with
   multiple functions of the same type and proper jack reporting masks
 - Continued refactoring of ASoC component debugfs and DAPM structures
 - Simplification and improvements to the format auto-selection
   mechanism
 - Added shared BCLK rate constraints for cross-DAI coordination
 
 * ASoC Platforms & Codecs:
 - Initial bring-up and power management support for AMD ACP 7.x
 - Support for Everest Semi ES9356 (SDCA), Mediatek MT2701 (on-chip
   HDMI) and MT8196 SoCs, Renesas RZ/G3E, SpacemiT K3, and TI
   TAC5xx2/TAS67524
 - Added a new generic driver for GPIO-driven amplifiers
 - Continued mass conversion of locking code to guard() helpers across
   numerous platform drivers (MediaTek, Rockchip, STM32, Samsung, etc.)
 - Cleanup of legacy non-DT platform data and rollbacks for obsolete SH
   Ecovec24/7724se boards
 
 * HD- and USB-Audio:
 - Device-specific hardware quirks and fixes for various Realtek
   HD-Audio devices (Lenovo, HP, ASUS, Acer, Clevo)
 - Refinements to Qualcomm USB-audio offloading support
 - Front-panel controls and autogain status support for Scarlett Gen 4
 - Quirks for XIBERIA (K03S), Sennheiser (MOMENTUM 3), Edifier (MF200),
   Novation (Mininova), and Behringer (Flow 8) USB-audio devices
 - Improved robustness by rolling back or propagating write errors to the
   mixer control caches (Babyface Pro, US-16x08, Scarlett)
 
 * Others:
 - Support for the HT-Omega eClaro PCI sound card in the Oxygen driver
 - Robustness improvements and fixes for Virtio-audio, Xen-front, and
   legacy OSS dmasound drivers
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Merge tag 'sound-7.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound updates from Takashi Iwai:
 "Unsurprisingly, we've had a fairly busy development cycle with various
  fixes and enhancements. While the majority of changes consist of
  device-specific fixes, a significant number of cleanups, hardening,
  and modernizations have been applied to the core frameworks as well.

  Below are some highlights:

  ALSA Core:
   - Hardening, race condition, and UAF/leak fixes in the ALSA timer and
     sequencer cores
   - Widespread adoption of flexible array members across core
     structures
   - Integration of new simple refcount helper functions to simplify
     code

  ASoC Core:
   - Introduction of a unified SoundWire enumeration helper to clean up
     redundant device initialization across codecs
   - Enhancements to SDCA support, including handling devices with
     multiple functions of the same type and proper jack reporting masks
   - Continued refactoring of ASoC component debugfs and DAPM structures
   - Simplification and improvements to the format auto-selection
     mechanism
   - Added shared BCLK rate constraints for cross-DAI coordination

  ASoC Platforms & Codecs:
   - Initial bring-up and power management support for AMD ACP 7.x
   - Support for Everest Semi ES9356 (SDCA), Mediatek MT2701 (on-chip
     HDMI) and MT8196 SoCs, Renesas RZ/G3E, SpacemiT K3, and TI
     TAC5xx2/TAS67524
   - Added a new generic driver for GPIO-driven amplifiers
   - Continued mass conversion of locking code to guard() helpers across
     numerous platform drivers (MediaTek, Rockchip, STM32, Samsung, etc)
   - Cleanup of legacy non-DT platform data and rollbacks for obsolete
     SH Ecovec24/7724se boards

  HD- and USB-Audio:
   - Device-specific hardware quirks and fixes for various Realtek
     HD-Audio devices (Lenovo, HP, ASUS, Acer, Clevo)
   - Refinements to Qualcomm USB-audio offloading support
   - Front-panel controls and autogain status support for Scarlett Gen 4
   - Quirks for XIBERIA (K03S), Sennheiser (MOMENTUM 3), Edifier
     (MF200), Novation (Mininova), and Behringer (Flow 8) USB-audio
     devices
   - Improved robustness by rolling back or propagating write errors to
     the mixer control caches (Babyface Pro, US-16x08, Scarlett)

  Others:
   - Support for the HT-Omega eClaro PCI sound card in the Oxygen driver
   - Robustness improvements and fixes for Virtio-audio, Xen-front, and
     legacy OSS dmasound drivers"

* tag 'sound-7.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (483 commits)
  ALSA: usb-audio: Add iface reset and delay quirk for XIBERIA K03S
  ALSA: hda/realtek: Add quirk for Lenovo Xiaoxin 14 GT
  ALSA: hda/realtek: Add CS35L41 I2C quirk for ASUS UM3405GA
  ALSA: timer: Fix racy timeri->timer changes with rwlock
  ALSA: core: Fix unintuitive behavior of snd_power_ref_and_wait()
  ALSA: seq: avoid stale FIFO cells during resize
  ALSA: seq: oss: Serialize readq reset state with q->lock
  ASoC: dt-bindings: Fix RT5677 "realtek,gpio-config" type
  ASoC: audio-graph-card2: recommend to use auto select DAI format
  ASoC: update auto format selection method
  ASoC: renesas: rcar: update auto select format
  ASoC: codecs: pcm3168a: update auto select format
  ASoC: codecs: ak4619: update auto select format
  ASoC: codecs: peb2466: don't use array if single pattern
  ASoC: codecs: idt821034: don't use array if single pattern
  ASoC: codecs: framer-codec: don't use array if single pattern
  ASoC: remove SND_SOC_POSSIBLE_xBx_xFx
  ASoC: adau1372: Clear PLL_EN on failed PLL lock without reset GPIO
  ALSA: seq: Don't re-bounce the error event
  ASoC: bcm: cygnus: use scoped child node loop
  ...
 2026-06-17 11:18:45 +01:00
Linus Torvalds
4b99990cdf drm-next for 7.2-rc1 
core:
 - add docbook for DRM_IOCTL_SYNCOBJ_EVENTFD
 - change signature of drm_connector_attach_hdr_output_metadata_property
 - dedup counter and timestamp retrieval in vblank code
 - parse AMD VSDB v3 in CTA extension blocks
 - add P230, Y7, XYYY2101010, T430, XVUY210101010 formats
 - don't call drop master on file close if not master
 - use drm_printf_indent in atomic / bridge
 - fix 32b format descriptions
 - docs: fix toctree
 - hdmi: add common TMDS character rates
 - fix drm_syncobj_find_fence leak
 
 rust:
 - introduce Higher-Ranked lifetime types
 - replace drvdata with scoped registration data
 - add GPUVM immediate mode abstraction for rust GPU drivers
 - introduce DeviceContext type state for drm::Device
 
 bridge:
 - clarify drm_bridge_get/put
 - create drm_get_bridge_by_endpoint and use it
 - analogix_dp: add panel probing
 - ite-it6211 - use drm audio hdmi helpers
 
 buddy:
 - add lockdep annotations
 
 dp:
 - add PR and VRR updates
 - mst: fix buffer overflows
 - add Adaptive Sync SDP decoding support
 - fix OOB reads in dp-mst
 
 ttm:
 - bump fpfn/lpfn to 64-bit
 
 scheduler:
 - change default to fair scheduler
 - map runqueue 1:1 with scheduler
 
 dma-buf:
 - port selftests to kunit
 - convert dma-buf system/heap allocators to module
 - add separate DMABUF_HEAPS_SYSTEM_CC_SHARED Kconfig
 
 udmabuf:
 - revert hugetlb support
 - fix error with CONFIG_DMA_API_DEBUG
 
 dma-fence:
 - fix tracepoints lifetime
 - remove unused signal on any support
 
 ras:
 - add clear error counter netlink command to drm ras
 
 gpusvm:
 - reject VMAs with VM_IO or VM_PFNMAP when creating SVM ranges
 - use IOVA allocations
 
 pagemap:
 - use IOVA allocations
 
 panels:
 - update to use ref counts
 - add support for CSW PNB601LS1-2, LGD LP116WHA-SPB1
 - add support for waveshare panels
 - CMN N116BCN-EA1, CMN N140HCA-EEK, IVO M140NWFQ R5,
 - IVO, R140NWFW R0, BOE NT140*, BOE NV133FHM-N4F,
 - AUO B140*, AUO B133HAN06.6 and AUO B116XTN02.3 eDP panels
 - Surface Pro 12 Panel
 
 xe:
 - add CRI PCI-IDs
 - debugfs add multi-lrc info
 - engine init cleanup
 - PF fair scheduling auto provisioning
 - system controller support for CRI/Xe3p
 - PXP state machine fixes
 - Reset/wedge/unload corner case fixes
 - Wedge path memory allocation fixes
 - PAT type cleanups
 - Reject unsafe PAT for CPU cached memory
 - OA improvements for CRI device memory
 - kernel doc syntax in xe headers
 - xe_drm.h documentation fixes
 - include guard cleanups
 - VF CCS memory pool
 - i915/xe step unification
 - Xe3p GT tuning fixes
 - forcewake cleanup in GT and GuC
 - admin-only PF mode
 - enable hwmon energy attributes for CRI
 - enable GT_MI_USER_INTERRUPT
 - refactor emit functions
 - oa workarounds
 - multi_queue: allow QUEUE_TIMESTAMP register
 - convert stolen memory to ttm range manager
 - use xe2 style blitter as a feature flag
 - make drm_driver const
 - add/use IRQ page to HW engine definition
 - fix oops when display disabled
 
 i915:
 - enable PIPEDMC_ERROR interrupt
 - more common display code refactoring
 - restructure DP/HDMI sink format handling
 - eliminate FB usage from lowlevel pinning code
 - panel replay bw optimization
 - integrate sharpness filter into the scaler
 - new fb_pin abstraction for xe/i915 fb transparent handling
 - skip inactive MST connectors on HDCP
 - start switching to display specific registers
 - use polling when irq unavailable
 - Adaptive-sync SDP prep
 
 amdgpu:
 - use drm_display_info for AMD VSDB data
 - Initial HDMI 2.1 FRL support
 - Initial DCN 4.2.1 support
 - GART fixes for non-4k pages
 - GC 11.5.6/SDMA 6.4.0/and other new IPs
 - GFX9/DCE6/Hawaii/SDMA4/GART/Userq fixes
 - Finish support for using multiple SDMA queues for TTM operations
 - SWSMU updates
 - GC 12.1 updates
 - SMU 15.0.8 updates
 - DCN 4.2 updates
 - DC type conversion fixes
 - Enable DC power module
 - Replay/PSR updates
 - SMU 13.x updates
 - Compute queue quantum MQD updates
 - ASPM fix
 - Align VKMS with common implementation
 - DC analog support fixes
 - UVD 3 fixes
 - TCC harvesting fixes for SI
 - GC 11 APU module reload fix
 - NBIO 6.3.2 support
 - IH 7.1 updates
 - DC cursor fixes
 - VCN/JPEG user fence fixes
 - DC support for connectors without DDC
 - Prefer ROM BAR for default VGA device
 - DC bandwidth fixes
 - Add PTL support for profiler
 - Introduce dc_plane_cm and migrate surface update color path
 - Add FRL registers for HDMI 2.1
 - Restructure VM state machine
 - Auxless ALPM support
 - GEM_OP locking/warning fixes
 - switch to system_dfl_wq
 
 amdkfd:
 - GPUVM TLB flush fix
 - Hotplug fix
 - Boundary check fixes
 - SVM fixes
 - CRIU fixes
 - add profiler API
 - MES 12.1 updates
 
 msm:
 - core:
   - fix shrinker documentation
   - IFPC enabled for gen8
   - PERFCNTR_CONFIG ioctl support
 - GPU:
   - reworked UBWC handling
   - a810 support
 - MDSS:
   - add support for Milos platform
   - reworked UBWC handling
 - DisplayPort:
   - reworked HPD handling as prep for MST
 - DPU:
   - Milos platform support
   - reworked UBWC handling
 - DSI:
   - Milos platform support
 
 nova:
 - Hopper/Blackwell enablement (GH100/GB100/GB202)
   - FSP support
   - 32-bit firmware support
   - HAL functions
 - refactor GSP boot/unload
 - GA100 support
 - VBIOS hardening/refactoring
 - Adopt higher order lifetime types
 
 tyr:
 - define register blocks
 - add shmem backed GEM objects
 - adopt higher order lifetime types
 - move clock cleanup into Drop
 
 radeon:
 - Hawaii SMU fixes
 - CS parser fix
 - use struct drm_edid instead of edid
 
 amdxdna:
 - export per-client BO memory via fdinfo
 - AIE4 device support
 - support medium/lower power modes
 - expandable device heap support
 - revert read-only user-pointer BO mappings
 
 ivpu:
 - support frequency limiting
 
 panthor:
 - enable GEM shrinker support
 - add eviction and reclaim info to fdinfo
 
 v3d:
 - enable runtime PM
 
 mgag200:
 - support XRGB1555 + C8
 
 ast:
 - support XRGB1555 + C8
 - use constants for lots of registers
 - fix register handling
 
 imagination:
 - fence handling refactoring
 
 nouveau:
 - fix sched double call
 - expose VBIOS on GSP-RM systems
 - add GA100 support
 
 virtio:
 - add VIRTIO_GPU_F_BLOB_ALIGNMENT flag
 - add deferred mapping support
 
 gud:
 - add RCade Display Adapter
 
 hibmc:
 - fix no connectors usage
 
 mediatek:
 - hdmi: convert error handling
 - simplify mtk_crtc allocation
 
 exynos:
 - move fbdev emulation to drm client buffers
 - use drm format helpers for geometry/size
 - adopt core DMA tracking
 - fix framebuffer offset handling
 
 renesas:
 - add RZ/T2H SOC support
 
 versilicon:
 - add cursor plane support
 
 tegra:
 - use drm client for framebuffer
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Merge tag 'drm-next-2026-06-17' of https://gitlab.freedesktop.org/drm/kernel

Pull drm updates from Dave Airlie:
 "Highlights:
   - xe: add initial CRI platform support
   - amdgpu: initial HDMI 2.1 FRL support
   - rust: add some new type concepts for device lifetimes
   - scheduler: moves to a fair algorithm and lots of cleanups

  But it's mostly the usual mountain of changes across the board.

  core:
   - add docbook for DRM_IOCTL_SYNCOBJ_EVENTFD
   - change signature of drm_connector_attach_hdr_output_metadata_property
   - dedup counter and timestamp retrieval in vblank code
   - parse AMD VSDB v3 in CTA extension blocks
   - add P230, Y7, XYYY2101010, T430, XVUY210101010 formats
   - don't call drop master on file close if not master
   - use drm_printf_indent in atomic / bridge
   - fix 32b format descriptions
   - docs: fix toctree
   - hdmi: add common TMDS character rates
   - fix drm_syncobj_find_fence leak

  rust:
   - introduce Higher-Ranked lifetime types
   - replace drvdata with scoped registration data
   - add GPUVM immediate mode abstraction for rust GPU drivers
   - introduce DeviceContext type state for drm::Device

  bridge:
   - clarify drm_bridge_get/put
   - create drm_get_bridge_by_endpoint and use it
   - analogix_dp: add panel probing
   - ite-it6211 - use drm audio hdmi helpers

  buddy:
   - add lockdep annotations

  dp:
   - add PR and VRR updates
   - mst: fix buffer overflows
   - add Adaptive Sync SDP decoding support
   - fix OOB reads in dp-mst

  ttm:
   - bump fpfn/lpfn to 64-bit

  scheduler:
   - change default to fair scheduler
   - map runqueue 1:1 with scheduler

  dma-buf:
   - port selftests to kunit
   - convert dma-buf system/heap allocators to module
   - add separate DMABUF_HEAPS_SYSTEM_CC_SHARED Kconfig

  udmabuf:
   - revert hugetlb support
   - fix error with CONFIG_DMA_API_DEBUG

  dma-fence:
   - fix tracepoints lifetime
   - remove unused signal on any support

  ras:
   - add clear error counter netlink command to drm ras

  gpusvm:
   - reject VMAs with VM_IO or VM_PFNMAP when creating SVM ranges
   - use IOVA allocations

  pagemap:
   - use IOVA allocations

  panels:
   - update to use ref counts
   - add support for CSW PNB601LS1-2, LGD LP116WHA-SPB1
   - add support for waveshare panels
   - CMN N116BCN-EA1, CMN N140HCA-EEK, IVO M140NWFQ R5,
   - IVO, R140NWFW R0, BOE NT140*, BOE NV133FHM-N4F,
   - AUO B140*, AUO B133HAN06.6 and AUO B116XTN02.3 eDP panels
   - Surface Pro 12 Panel

  xe:
   - add CRI PCI-IDs
   - debugfs add multi-lrc info
   - engine init cleanup
   - PF fair scheduling auto provisioning
   - system controller support for CRI/Xe3p
   - PXP state machine fixes
   - Reset/wedge/unload corner case fixes
   - Wedge path memory allocation fixes
   - PAT type cleanups
   - Reject unsafe PAT for CPU cached memory
   - OA improvements for CRI device memory
   - kernel doc syntax in xe headers
   - xe_drm.h documentation fixes
   - include guard cleanups
   - VF CCS memory pool
   - i915/xe step unification
   - Xe3p GT tuning fixes
   - forcewake cleanup in GT and GuC
   - admin-only PF mode
   - enable hwmon energy attributes for CRI
   - enable GT_MI_USER_INTERRUPT
   - refactor emit functions
   - oa workarounds
   - multi_queue: allow QUEUE_TIMESTAMP register
   - convert stolen memory to ttm range manager
   - use xe2 style blitter as a feature flag
   - make drm_driver const
   - add/use IRQ page to HW engine definition
   - fix oops when display disabled

  i915:
   - enable PIPEDMC_ERROR interrupt
   - more common display code refactoring
   - restructure DP/HDMI sink format handling
   - eliminate FB usage from lowlevel pinning code
   - panel replay bw optimization
   - integrate sharpness filter into the scaler
   - new fb_pin abstraction for xe/i915 fb transparent handling
   - skip inactive MST connectors on HDCP
   - start switching to display specific registers
   - use polling when irq unavailable
   - Adaptive-sync SDP prep

  amdgpu:
   - use drm_display_info for AMD VSDB data
   - Initial HDMI 2.1 FRL support
   - Initial DCN 4.2.1 support
   - GART fixes for non-4k pages
   - GC 11.5.6/SDMA 6.4.0/and other new IPs
   - GFX9/DCE6/Hawaii/SDMA4/GART/Userq fixes
   - Finish support for using multiple SDMA queues for TTM operations
   - SWSMU updates
   - GC 12.1 updates
   - SMU 15.0.8 updates
   - DCN 4.2 updates
   - DC type conversion fixes
   - Enable DC power module
   - Replay/PSR updates
   - SMU 13.x updates
   - Compute queue quantum MQD updates
   - ASPM fix
   - Align VKMS with common implementation
   - DC analog support fixes
   - UVD 3 fixes
   - TCC harvesting fixes for SI
   - GC 11 APU module reload fix
   - NBIO 6.3.2 support
   - IH 7.1 updates
   - DC cursor fixes
   - VCN/JPEG user fence fixes
   - DC support for connectors without DDC
   - Prefer ROM BAR for default VGA device
   - DC bandwidth fixes
   - Add PTL support for profiler
   - Introduce dc_plane_cm and migrate surface update color path
   - Add FRL registers for HDMI 2.1
   - Restructure VM state machine
   - Auxless ALPM support
   - GEM_OP locking/warning fixes
   - switch to system_dfl_wq

  amdkfd:
   - GPUVM TLB flush fix
   - Hotplug fix
   - Boundary check fixes
   - SVM fixes
   - CRIU fixes
   - add profiler API
   - MES 12.1 updates

  msm:
   - core:
     - fix shrinker documentation
     - IFPC enabled for gen8
     - PERFCNTR_CONFIG ioctl support
   - GPU:
     - reworked UBWC handling
     - a810 support
   - MDSS:
     - add support for Milos platform
     - reworked UBWC handling
   - DisplayPort:
     - reworked HPD handling as prep for MST
   - DPU:
     - Milos platform support
     - reworked UBWC handling
   - DSI:
     - Milos platform support

  nova:
   - Hopper/Blackwell enablement (GH100/GB100/GB202)
     - FSP support
     - 32-bit firmware support
     - HAL functions
   - refactor GSP boot/unload
   - GA100 support
   - VBIOS hardening/refactoring
   - Adopt higher order lifetime types

  tyr:
   - define register blocks
   - add shmem backed GEM objects
   - adopt higher order lifetime types
   - move clock cleanup into Drop

  radeon:
   - Hawaii SMU fixes
   - CS parser fix
   - use struct drm_edid instead of edid

  amdxdna:
   - export per-client BO memory via fdinfo
   - AIE4 device support
   - support medium/lower power modes
   - expandable device heap support
   - revert read-only user-pointer BO mappings

  ivpu:
   - support frequency limiting

  panthor:
   - enable GEM shrinker support
   - add eviction and reclaim info to fdinfo

  v3d:
   - enable runtime PM

  mgag200:
   - support XRGB1555 + C8

  ast:
   - support XRGB1555 + C8
   - use constants for lots of registers
   - fix register handling

  imagination:
   - fence handling refactoring

  nouveau:
   - fix sched double call
   - expose VBIOS on GSP-RM systems
   - add GA100 support

  virtio:
   - add VIRTIO_GPU_F_BLOB_ALIGNMENT flag
   - add deferred mapping support

  gud:
   - add RCade Display Adapter

  hibmc:
   - fix no connectors usage

  mediatek:
   - hdmi: convert error handling
   - simplify mtk_crtc allocation

  exynos:
   - move fbdev emulation to drm client buffers
   - use drm format helpers for geometry/size
   - adopt core DMA tracking
   - fix framebuffer offset handling

  renesas:
   - add RZ/T2H SOC support

  versilicon:
   - add cursor plane support

  tegra:
   - use drm client for framebuffer"

* tag 'drm-next-2026-06-17' of https://gitlab.freedesktop.org/drm/kernel: (1731 commits)
  dma-buf: move system_cc_shared heap under separate Kconfig
  accel/amdxdna: Clear sva pointer after unbind
  agp/amd64: Fix broken error propagation in agp_amd64_probe()
  accel/amdxdna: Require carveout when PASID and force_iova are disabled
  drm/amdkfd: always resume_all after suspend_all
  drm/amdgpu/gfx: move fault and EOP IRQ get/put to hw_init/hw_fini
  drm/amd/display: Consult MCCS FreeSync cap only if requested & supported
  drm/amd/pm: Use strscpy in profile mode parsing
  drm/amdkfd: Fix infinite loop parsing CRAT with zero subtype length
  drm/amdkfd: fix sysfs topology prop length on buffer truncation
  drm/amdgpu: drop retry loop in amdgpu_hmm_range_get_pages
  drm/amd/pm: bound OD parameter parsing to stack array size
  drm/amd/pm: Stop pp_od_clk_voltage emit at PAGE_SIZE
  drm/amdkfd: Unwind debug trap enable on copy_to_user failure
  drm/amdgpu: validate the mes firmware version for gfx12.1
  drm/amdgpu: validate the mes firmware version for gfx12
  drm/amdgpu: compare MES firmware version ucode for gfx11
  drm/amdkfd: Add bounds check for AMDKFD_IOC_WAIT_EVENTS
  drm/amdgpu: restart the CS if some parts of the VM are still invalidated
  drm/amd/display: use unsigned types for local pipe and REG_GET counters
  ...
 2026-06-17 10:21:00 +01:00
Linus Torvalds
9c87e61e3c bpf-next-7.2 
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Merge tag 'bpf-next-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next

Pull bpf updates from Alexei Starovoitov:
 "Major changes:

   - Recover from BPF arena page faults using a scratch page and add
     ptep_try_set() for lockless empty-slot installs on x86 and arm64.

     This allows BPF kfuncs to access arena pointers directly.

     The 'arena_direct_access' stable branch was created for this work
     and was pulled into sched-ext and bpf-next trees (Tejun Heo, Kumar
     Kartikeya Dwivedi)

   - Lift old restriction and support 6+ arguments in BPF programs and
     kfuncs on x86 and arm64 (Yonghong Song, Puranjay Mohan)

  Other features and fixes:

   - Add 24-bit BTF vlen and reclaim unused bits in the BTF UAPI to ease
     addition of new BTF kinds (Alan Maguire)

   - Raise the maximum BPF call chain depth from 8 to 16 frames (Alexei
     Starovoitov)

   - Refactor object relationship tracking in the verifier and fix a
     dynptr use-after-free bug (Amery Hung)

   - Harden the signed program loader and reject exclusive maps as inner
     maps (Daniel Borkmann)

   - Replace the verifier min/max bounds fields with a circular number
     (cnum) representation and improve 32->64 bit range refinements
     (Eduard Zingerman)

   - Introduce the arena library and runtime (libarena) with a buddy
     allocator, rbtree and SPMC queue data structures, ASAN support and
     a parallel test harness. Allow subprograms to return arena pointers
     and switch to a BTF type-tag based __arena annotation (Emil
     Tsalapatis)

   - Cache build IDs in the sleepable stackmap path and avoid faultable
     build ID reads under mm locks (Ihor Solodrai)

   - Introduce the tracing_multi link to attach a single BPF program to
     many kernel functions at once. Allow specifying the uprobe_multi
     target via FD (Jiri Olsa)

   - Extend the bpf_list family of kfuncs with bpf_list_add/del(), and
     bpf_list_is_first/is_last/empty() (Kaitao Cheng)

   - Extend the BPF syscall with common attributes support for
     prog_load, btf_load and map_create (Leon Hwang)

   - Wrap rhashtable as BPF map (Mykyta Yatsenko, Herbert Xu)

   - Add sleepable support for tracepoint programs and fix deadlocks in
     LRU map due to NMI reentry (Mykyta Yatsenko)

   - Fix OOB access in bpf_flow_keys, fix nullness analysis of inner
     arrays, enforce write checks for global subprograms (Nuoqi Gui)

   - Report the maximum combined stack depth and print a breakdown of
     instructions processed per subprogram (Paul Chaignon)

   - Add an XDP load-balancer benchmark and arm64 JIT support for stack
     arguments (Puranjay Mohan)

   - Add kfuncs to traverse over wakeup_sources (Samuel Wu)

   - Allow sleepable BPF programs to use LPM trie maps directly (Vlad
     Poenaru)

   - Many more fixes and cleanups across the verifier, BTF, sockmap,
     devmap, bpffs, security hooks, s390/riscv/loongarch JITs,
     rqspinlock, libbpf, bpftool, selftests"

* tag 'bpf-next-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next: (336 commits)
  selftests/bpf: Work around llvm stack overflow in crypto progs
  selftests/bpf: add test for bpf_msg_pop_data() overflow
  bpf, sockmap: fix integer overflow in bpf_msg_pop_data() bounds check
  sockmap: Fix use-after-free in udp_bpf_recvmsg()
  bpf, sockmap: keep sk_msg copy state in sync
  bpf, sockmap: Fix wrong rsge offset in bpf_msg_push_data()
  bpf, sockmap: reject overflowing copy + len in bpf_msg_push_data()
  selftsets/bpf: Retry map update on helper_fill_hashmap()
  selftests/bpf: Add test for sleepable lsm_cgroup rejection
  selftests/bpf: Add test to verify the fix for bpf_setsockopt() helper
  bpf: Fix bpf_get/setsockopt to tos for ipv4-mapped ipv6 socket
  selftests/bpf: Avoid static LLVM linking for cross builds
  selftests/bpf: Use common CFLAGS for urandom_read
  selftests/bpf: Initialize operation name before use
  tools/bpf: build: Append extra cflags
  libbpf: Initialize CFLAGS before including Makefile.include
  bpftool: Append extra host flags
  bpftool: Avoid adding EXTRA_CFLAGS to HOST_CFLAGS
  bpftool: Pass host flags to bootstrap libbpf
  selftests/bpf: correct CONFIG_PPC64 macro name in comment
  ...
 2026-06-17 09:18:14 +01:00
Linus Torvalds
b85966adbf Networking changes for 7.2. 
Core & protocols
 ----------------
 
  - Work on removing rtnl_lock protection throughout the stack continues.
    In this chapter:
     - don't use rtnl_lock for IPv6 multicast routing configuration
     - don't take rtnl_lock in ethtool for modern drivers
     - prepare Qdisc dump callbacks for rtnl_lock removal
 
  - Support dumping just ifindex + name of all interfaces, under RCU.
    It's a common operation for Netlink CLI tools (when translating
    names to ifindexes) and previously required full rtnl_lock.
 
  - Support dumping qdiscs and page pools for a specific netdev. Even tho
    user space wants a dump of all netdevs, most of the time, the OOO
    programming model results in repeating the dump for each netdev.
    Which, in absence of a cache, leads to a O(n^2) behavior.
 
  - Flush nexthops once on multi-nexthop removal (e.g. when device goes
    down), another O(n^2) -> O(n) improvement.
 
  - Rehash locally generated traffic to a different nexthop on retransmit
    timeout.
 
  - Honor oif when choosing nexthop for locally generated IPv6 traffic.
 
  - Convert TCP Auth Option to crypto library, and drop non-RFC algos.
 
  - Increase subflow limits in MPTCP to 64 and endpoint limit to 256.
 
  - Support MPTCP signaling of IPv6 address + port (ADD_ADDR). We need
    to selectively skip reporting of the standard TCP Timestamp option,
    because they won't fit into the header space together (12 + 30 > 40).
 
  - Support using bridge neighbor suppression, Duplicate Address
    Detection, Gratuitous ARP and unsolicited NA forwarding - in EVPN
    deployments, e.g. VXLAN fabrics (IPv4 and IPv6).
 
  - Improve link state reporting for upper netdevs (e.g. macvlan) over
    tunnel devices (again, mostly for EVPN deployments).
 
  - Support binding GENEVE tunnels to a local address.
 
  - Speed up UDP tunnel destruction (remove one synchronize_rcu()).
 
  - Support exponential field encoding in multicast (IGMPv3 and MLDv2).
 
  - Support attaching PSP crypto offload to containers (veth, netkit).
 
  - Add a new IPSec Netlink message XFRM_MSG_MIGRATE_STATE that allows
    migrating individual IPsec SAs independently of their policies.
    The existing XFRM_MSG_MIGRATE is tightly coupled to policy+SA
    migration, lacks SPI for unique SA identification, and cannot express
    reqid changes or migrate Transport mode selectors. The new interface
    identifies the SA via SPI and mark, supports reqid changes, address
    family changes, encap removal, and uses an atomic create+install
    flow under x->lock to prevent SN/IV reuse during AEAD SA migration.
 
  - Implement GRO/GSO support for PPPoE.
 
  - Convert sockopt callbacks in a number of protocols to iov_iter.
 
 Cross-tree stuff
 ----------------
 
  - Remove support for Crypto TFM cloning (unblocked after the TCP Auth
    Option rework). This feature regressed performance for all crypto API
    users, since it changed crypto transformation objects into reference-
    -counted objects.
 
  - Add FCrypt-PCBC implementation to rxrpc and remove it from the global
    crypto API as obsolete and insecure.
 
 Wireless
 --------
 
  - Major rework of station bandwidth handling, fixing issues with lower
    capability than AP.
 
  - Cleanups for EMLSR spec issues (drafts differed).
 
  - More Neighbor Awareness Networking (Wi-Fi Aware) work (multicast,
    schedule improvements, multi-station etc.)
 
  - Some Ultra High Reliability (UHR) / IEEE 802.11bn (D1.4) work
    (e.g. non-primary channel access, UHR DBE support).
 
  - Fine Timing Measurement ranging (i.e. distance measurement) APIs.
 
 Netfilter
 ---------
 
  - Use per-rule hash initval in nf_conncount. This avoids unnecessary
    lock contention with short keys (e.g. conntrack zones) in different
    namespaces.
 
  - Various safety improvements, both in packet parsing and object
    lifetimes. Notably add refcounts to conntrack timeout policy.
 
 Deletions
 ---------
 
  - Remove TLS + sockmap integration. TLS wants to pin user pages
    to avoid a copy, and sockmap wants to write to the input stream.
    More work on this integration is clearly needed, and we can't find
    any users (original author admitted that they never deployed it).
 
  - Remove support for TLS offload with TCP Offload Engine (the far
    more common opportunistic offload is retained). The locking looks
    unfixable (driver sleeps under TCP spin locks) and people from
    the vendor that added this are AWOL.
 
  - Remove more ATM code, trying to leave behind only what PPPoATM needs,
    AAL5 and br2684 with permanent circuits.
 
  - Remove AppleTalk. Let it join hamradio in our out of tree protocol
    graveyard, I mean, repository.
 
  - Disable 32-bit x_tables compatibility (32bit binaries on 64bit kernel)
    interface in user namespaces. To be deleted completely, soon.
 
  - Remove 5/10 MHz support from cfg80211/mac80211.
 
 Drivers
 -------
 
  - Software:
    - Support DEVMEM/DMABUF Tx over NETMEM_TX_NO_DMA devices (netkit).
    - bonding: add knob to strictly follow 802.3ad for link state.
 
  - New drivers:
    - Alibaba Elastic Ethernet Adaptor (cloud vNIC).
    - NXP NETC switch within i.MX94.
 
  - DPLL:
    - Add operational state to pins (implement in zl3073x).
    - Add generic DPLL type, for daisy-chaining DPLLs (implement in ice).
 
  - Ethernet high-speed NICs:
    - Huawei (hinic3):
      - enhance tc flow offload support with queue selection, tunnels
    - nVidia/Mellanox:
      - avoid over-copying payload to the skb's linear part (up to 60%
        win for LRO on slow CPUs like ARM64 V2)
      - expose more per-queue stats over the standard API
      - support additional, unprivileged PFs in the DPU configuration
      - support Socket Direct (multi-PF) with switchdev offloads
      - add a pool / frag allocator for DMA mapped buffers for control
        objects, save memory on systems with 64kB page size
      - take advantage of the ability to dynamically change RSS table
        size, even when table is configured by the user
      - increase the max RSS table size for even traffic distribution
 
  - Ethernet NICs:
    - Marvell/Aquantia:
      - AQC113 PTP support
    - Realtek USB (r8152):
      - support 10Gbit Link Speeds and Energy-Efficient Ethernet (EEE)
      - support firmware loaded (for RTL8157/RTL8159)
      - support for the RTL8159
    - Intel (ixgbe):
      - support Energy-Efficient Ethernet (EEE) on E610 devices
 
  - Ethernet switches:
    - Airoha:
      - support multiple netdevs on a single GDM block / port
    - Marvell (mv88e6xxx):
      - support SERDES of mv88e6321
    - Microchip (ksz8/9):
      - rework the driver callbacks to remove one indirection layer
    - Motorcomm (yt921x):
      - support port rate policing
      - support TBF qdisc offload
      - support ACL/flower offload
    - nVidia/Mellanox:
      - expose per-PG rx_discards
    - Realtek:
      - rtl8365mb: bridge offloading and VLAN support
 
  - Ethernet PHYs:
    - Airoha:
      - support Airoha AN8801R Gigabit PHYs.
    - Micrel:
      - implement 3 low-loss cable tunables
    - Realtek:
      - support MDI swapping for RTL8226-CG
      - support MDIO for RTL931x
    - Qualcomm:
      - at803x: Rx and Tx clock management for IPQ5018 PHY
    - Motorcomm:
      - support YT8522 100M RMII PHY
      - set drive strength in YT8531s RGMII
    - TI:
      - dp83822: add optional external PHY clock
 
  - Bluetooth:
    - hci_sync: add support for HCI_LE_Set_Host_Feature [v2]
    - SMP: use AES-CMAC library API
    - Intel:
      - support Product level reset
      - support smart trigger dump
    - Mediatek:
      - add event filter to filter specific event
    - Realtek:
      - fix RTL8761B/BU broken LE extended scan
 
  - WiFi:
    - Broadcom (b43):
      - new support for a 11n device
    - MediaTek (mt76):
      - support mt7927
      - mt792x: broken usb transport detection
      - mt7921: regulatory improvements
    - Qualcomm (ath9k):
      - GPIO interface improvements
    - Qualcomm (ath12k):
      - WDS support
      - replace dynamic memory allocation in WMI Rx path
      - thermal throttling/cooling device support
      - 6 GHz incumbent interference detection
      - channel 177 in 5 GHz
    - Realtek (rt89):
      - RTL8922AU support
      - USB 3 mode switch for performance
      - better monitor radiotap support
      - RTL8922DE preparations
 
 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-next-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next

Pull networking updates from Jakub Kicinski:
 "Core & protocols:

   - Work on removing rtnl_lock protection throughout the stack
     continues. In this chapter:
       - don't use rtnl_lock for IPv6 multicast routing configuration
       - don't take rtnl_lock in ethtool for modern drivers
       - prepare Qdisc dump callbacks for rtnl_lock removal

   - Support dumping just ifindex + name of all interfaces, under RCU.
     It's a common operation for Netlink CLI tools (when translating
     names to ifindexes) and previously required full rtnl_lock.

   - Support dumping qdiscs and page pools for a specific netdev. Even
     tho user space wants a dump of all netdevs, most of the time, the
     OOO programming model results in repeating the dump for each
     netdev. Which, in absence of a cache, leads to a O(n^2) behavior.

   - Flush nexthops once on multi-nexthop removal (e.g. when device goes
     down), another O(n^2) -> O(n) improvement.

   - Rehash locally generated traffic to a different nexthop on
     retransmit timeout.

   - Honor oif when choosing nexthop for locally generated IPv6 traffic.

   - Convert TCP Auth Option to crypto library, and drop non-RFC algos.

   - Increase subflow limits in MPTCP to 64 and endpoint limit to 256.

   - Support MPTCP signaling of IPv6 address + port (ADD_ADDR). We need
     to selectively skip reporting of the standard TCP Timestamp option,
     because they won't fit into the header space together (12 + 30 >
     40).

   - Support using bridge neighbor suppression, Duplicate Address
     Detection, Gratuitous ARP and unsolicited NA forwarding - in EVPN
     deployments, e.g. VXLAN fabrics (IPv4 and IPv6).

   - Improve link state reporting for upper netdevs (e.g. macvlan) over
     tunnel devices (again, mostly for EVPN deployments).

   - Support binding GENEVE tunnels to a local address.

   - Speed up UDP tunnel destruction (remove one synchronize_rcu()).

   - Support exponential field encoding in multicast (IGMPv3 and MLDv2).

   - Support attaching PSP crypto offload to containers (veth, netkit).

   - Add a new IPSec Netlink message XFRM_MSG_MIGRATE_STATE that allows
     migrating individual IPsec SAs independently of their policies.

     The existing XFRM_MSG_MIGRATE is tightly coupled to policy+SA
     migration, lacks SPI for unique SA identification, and cannot
     express reqid changes or migrate Transport mode selectors.

     The new interface identifies the SA via SPI and mark, supports
     reqid changes, address family changes, encap removal, and uses an
     atomic create+install flow under x->lock to prevent SN/IV reuse
     during AEAD SA migration.

   - Implement GRO/GSO support for PPPoE.

   - Convert sockopt callbacks in a number of protocols to iov_iter.

  Cross-tree stuff:

   - Remove support for Crypto TFM cloning (unblocked after the TCP Auth
     Option rework). This feature regressed performance for all crypto
     API users, since it changed crypto transformation objects into
     reference-counted objects.

   - Add FCrypt-PCBC implementation to rxrpc and remove it from the
     global crypto API as obsolete and insecure.

  Wireless:

   - Major rework of station bandwidth handling, fixing issues with
     lower capability than AP.

   - Cleanups for EMLSR spec issues (drafts differed).

   - More Neighbor Awareness Networking (Wi-Fi Aware) work (multicast,
     schedule improvements, multi-station etc.)

   - Some Ultra High Reliability (UHR) / IEEE 802.11bn (D1.4) work
     (e.g. non-primary channel access, UHR DBE support).

   - Fine Timing Measurement ranging (i.e. distance measurement) APIs.

  Netfilter:

   - Use per-rule hash initval in nf_conncount. This avoids unnecessary
     lock contention with short keys (e.g. conntrack zones) in different
     namespaces.

   - Various safety improvements, both in packet parsing and object
     lifetimes. Notably add refcounts to conntrack timeout policy.

  Deletions:

   - Remove TLS + sockmap integration. TLS wants to pin user pages to
     avoid a copy, and sockmap wants to write to the input stream. More
     work on this integration is clearly needed, and we can't find any
     users (original author admitted that they never deployed it).

   - Remove support for TLS offload with TCP Offload Engine (the far
     more common opportunistic offload is retained). The locking looks
     unfixable (driver sleeps under TCP spin locks) and people from the
     vendor that added this are AWOL.

   - Remove more ATM code, trying to leave behind only what PPPoATM
     needs, AAL5 and br2684 with permanent circuits.

   - Remove AppleTalk. Let it join hamradio in our out of tree protocol
     graveyard, I mean, repository.

   - Disable 32-bit x_tables compatibility (32bit binaries on 64bit
     kernel) interface in user namespaces. To be deleted completely,
     soon.

   - Remove 5/10 MHz support from cfg80211/mac80211.

  Drivers:

   - Software:
       - Support DEVMEM/DMABUF Tx over NETMEM_TX_NO_DMA devices (netkit)
       - bonding: add knob to strictly follow 802.3ad for link state

   - New drivers:
       - Alibaba Elastic Ethernet Adaptor (cloud vNIC).
       - NXP NETC switch within i.MX94.

   - DPLL:
       - Add operational state to pins (implement in zl3073x).
       - Add generic DPLL type, for daisy-chaining DPLLs (implement in ice).

   - Ethernet high-speed NICs:
       - Huawei (hinic3):
           - enhance tc flow offload support with queue selection,
             tunnels
       - nVidia/Mellanox:
           - avoid over-copying payload to the skb's linear part (up to
             60% win for LRO on slow CPUs like ARM64 V2)
           - expose more per-queue stats over the standard API
           - support additional, unprivileged PFs in the DPU
             configuration
           - support Socket Direct (multi-PF) with switchdev offloads
           - add a pool / frag allocator for DMA mapped buffers for
             control objects, save memory on systems with 64kB page size
           - take advantage of the ability to dynamically change RSS
             table size, even when table is configured by the user
           - increase the max RSS table size for even traffic
             distribution

   - Ethernet NICs:
       - Marvell/Aquantia:
           - AQC113 PTP support
       - Realtek USB (r8152):
           - support 10Gbit Link Speeds and Energy-Efficient Ethernet
             (EEE)
           - support firmware loaded (for RTL8157/RTL8159)
           - support for the RTL8159
       - Intel (ixgbe):
           - support Energy-Efficient Ethernet (EEE) on E610 devices

   - Ethernet switches:
       - Airoha:
           - support multiple netdevs on a single GDM block / port
       - Marvell (mv88e6xxx):
           - support SERDES of mv88e6321
       - Microchip (ksz8/9):
           - rework the driver callbacks to remove one indirection layer
       - Motorcomm (yt921x):
           - support port rate policing
           - support TBF qdisc offload
           - support ACL/flower offload
       - nVidia/Mellanox:
           - expose per-PG rx_discards
       - Realtek:
           - rtl8365mb: bridge offloading and VLAN support

   - Ethernet PHYs:
       - Airoha:
           - support Airoha AN8801R Gigabit PHYs.
       - Micrel:
           - implement 3 low-loss cable tunables
       - Realtek:
           - support MDI swapping for RTL8226-CG
           - support MDIO for RTL931x
       - Qualcomm:
           - at803x: Rx and Tx clock management for IPQ5018 PHY
       - Motorcomm:
           - support YT8522 100M RMII PHY
           - set drive strength in YT8531s RGMII
       - TI:
           - dp83822: add optional external PHY clock

   - Bluetooth:
       - hci_sync: add support for HCI_LE_Set_Host_Feature [v2]
       - SMP: use AES-CMAC library API
       - Intel:
           - support Product level reset
           - support smart trigger dump
       - Mediatek:
           - add event filter to filter specific event
       - Realtek:
           - fix RTL8761B/BU broken LE extended scan

   - WiFi:
       - Broadcom (b43):
           - new support for a 11n device
       - MediaTek (mt76):
           - support mt7927
           - mt792x: broken usb transport detection
           - mt7921: regulatory improvements
       - Qualcomm (ath9k):
           - GPIO interface improvements
       - Qualcomm (ath12k):
           - WDS support
           - replace dynamic memory allocation in WMI Rx path
           - thermal throttling/cooling device support
           - 6 GHz incumbent interference detection
           - channel 177 in 5 GHz
       - Realtek (rt89):
           - RTL8922AU support
           - USB 3 mode switch for performance
           - better monitor radiotap support
           - RTL8922DE preparations"

* tag 'net-next-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1778 commits)
  ipv4: fib_rule: Move fib4_rules_exit() to ->exit().
  net: serialize netif_running() check in enqueue_to_backlog()
  net: skmsg: preserve sg.copy across SG transforms
  appletalk: move the protocol out of tree
  appletalk: stop storing per-interface state in struct net_device
  selftests/bpf: test that TLS crypto is rejected on a sockmap socket
  selftests/bpf: drop the unused kTLS program from test_sockmap
  selftests/bpf: remove sockmap + ktls tests
  tls: remove dead sockmap (psock) handling from the SW path
  tls: reject the combination of TLS and sockmap
  atm: remove orphaned uAPI for deleted drivers, protocols and SVCs
  atm: remove unused ATM PHY operations
  atm: remove the unused pre_send and send_bh device operations
  atm: remove the unused change_qos device operation
  atm: remove SVC socket support and the signaling daemon interface
  atm: remove the local ATM (NSAP) address registry
  atm: remove dead SONET PHY ioctls
  atm: remove the unused send_oam / push_oam callbacks
  atm: remove AAL3/4 transport support
  net: dsa: sja1105: fix lastused timestamp in flower stats
  ...
 2026-06-17 08:17:00 +01:00
Petr Mladek
2a706d98d5 Merge branch 'for-7.2-vsprintf-pmM-uppercase' into for-linus 2026-06-17 08:58:22 +02:00
Petr Mladek
809967e0ae Merge branch 'for-7.2-vsprintf-size-checks' into for-linus 2026-06-17 08:58:09 +02:00
Kuniyuki Iwashima
d954a67a7d ipv4: fib_rule: Move fib4_rules_exit() to ->exit(). 
syzbot reported use-after-free of net->ipv4.rules_ops. [0]

It can be reproduced with these commands:

  while true; do
  	ip netns add ns1
  	ip -n ns1 link set dev lo up
  	ip -n ns1 address add 192.0.2.1/24 dev lo
  	ip -n ns1 link add name dummy1 up type dummy
  	ip -n ns1 address add 198.51.100.1/24 dev dummy1
  	ip -n ns1 rule add ipproto tcp sport 12345 table 12345
  	ip -n ns1 fou add port 5555 ipproto 47 local 192.0.2.1 peer 198.51.100.2 peer_port 54321
  	ip netns del ns1
  done

The cited commit moved fib4_rules_exit() earlier to ->exit_rtnl(),
but the kernel socket destroyed in ->exit() could eventually reach
__fib_lookup().

I left fib4_rules_exit() in ->exit_rtnl() because fib4_rule_delete()
calls fib_unmerge(), which requires RTNL.

However, when ->delete() is called, ->configure() has already been
called, thus fib_unmerge() in ->delete() has no effect.

Let's remove fib_unmerge() in fib4_rule_delete() and move
fib4_rules_exit() to ->exit().

Many thanks to Ido Schimmel for providing the nice repro very quickly.

Note that we can make fib_rules_ops.delete() return void once
net-next opens.

[0]:
BUG: KASAN: slab-use-after-free in fib_rules_lookup+0x15e/0xeb0 net/core/fib_rules.c:321
Read of size 8 at addr ffff88804ec4c680 by task kworker/u8:21/12641

CPU: 0 UID: 0 PID: 12641 Comm: kworker/u8:21 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
Workqueue: netns cleanup_net
Call Trace:
 <TASK>
 dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
 print_address_description+0x55/0x1e0 mm/kasan/report.c:378
 print_report+0x58/0x70 mm/kasan/report.c:482
 kasan_report+0x117/0x150 mm/kasan/report.c:595
 fib_rules_lookup+0x15e/0xeb0 net/core/fib_rules.c:321
 __fib_lookup+0x106/0x210 net/ipv4/fib_rules.c:96
 ip_route_output_key_hash_rcu+0x294/0x2720 net/ipv4/route.c:2811
 ip_route_output_key_hash+0x18d/0x2a0 net/ipv4/route.c:2702
 __ip_route_output_key include/net/route.h:169 [inline]
 ip_route_output_flow+0x2a/0x150 net/ipv4/route.c:2929
 ip4_datagram_release_cb+0x89d/0xbe0 net/ipv4/datagram.c:118
 release_sock+0x206/0x260 net/core/sock.c:3861
 inet_shutdown+0x2b1/0x390 net/ipv4/af_inet.c:950
 udp_tunnel_sock_release+0x6d/0x80 net/ipv4/udp_tunnel_core.c:197
 fou_release net/ipv4/fou_core.c:562 [inline]
 fou_exit_net+0x17d/0x1f0 net/ipv4/fou_core.c:1230
 ops_exit_list net/core/net_namespace.c:199 [inline]
 ops_undo_list+0x43d/0x8d0 net/core/net_namespace.c:252
 cleanup_net+0x572/0x810 net/core/net_namespace.c:702
 process_one_work kernel/workqueue.c:3314 [inline]
 process_scheduled_works+0xa8e/0x14e0 kernel/workqueue.c:3397
 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3478
 kthread+0x389/0x470 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>

Fixes: 759923cf03 ("ipv4: fib: Convert fib_net_exit_batch() to ->exit_rtnl().")
Reported-by: syzbot+965506b59a2de0b6905c@syzkaller.appspotmail.com
Closes: https://lore.kernel.org/all/6a315824.b0403584.28d0ff.0000.GAE@google.com/
Signed-off-by: Kuniyuki Iwashima <kuniyu@google.com>
Link: https://patch.msgid.link/20260616191359.4142661-1-kuniyu@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2026-06-16 15:42:53 -07:00
Eric Dumazet
46762cefe7 net: serialize netif_running() check in enqueue_to_backlog() 
Syzbot reported a KASAN slab-use-after-free in fib_rules_lookup().

The root cause is a race condition where packets can escape the backlog
flushing during device unregistration (e.g., during netns exit).

Commit e9e4dd3267 ("net: do not process device backlog during unregistration")
introduced a lockless netif_running() check in enqueue_to_backlog() to
prevent queuing packets to an unregistering device.

However, this creates a TOCTOU race window.

A lockless transmitter (like veth_xmit) can pass
the check before dev_close() clears IFF_UP. If the transmitter is then
delayed, flush_all_backlogs() can run and finish before the transmitter
grabs the backlog lock and queues the packet. The packet then escapes
the flush and triggers UAF later when processed.

Fix this by moving the netif_running() check inside the backlog lock.
This serializes the check with the flush work (which also grabs the lock).
We then either queue the packet before the flush runs (so it gets flushed),
or check netif_running() after the flush/close completes (so it gets dropped).

Fixes: e9e4dd3267 ("net: do not process device backlog during unregistration")
Reported-by: syzbot+965506b59a2de0b6905c@syzkaller.appspotmail.com
Closes: https://lore.kernel.org/netdev/6a315824.b0403584.28d0ff.0000.GAE@google.com/T/#u
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Julian Anastasov <ja@ssi.bg>
Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com>
Link: https://patch.msgid.link/20260616141317.407791-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2026-06-16 15:42:53 -07:00
Jakub Kicinski
d755d45bc0 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 
Merge in late fixes in preparation for the net-next PR.

Conflicts:

net/tls/tls_sw.c
  406e8a651a ("net: skmsg: preserve sg.copy across SG transforms")
  79511603a6 ("tls: remove dead sockmap (psock) handling from the SW path")

drivers/net/ethernet/microsoft/mana/mana_en.c
  f8fd56977e ("net: mana: guard TX wq object destroy with INVALID_MANA_HANDLE check")
  d07efe5a6e ("net: mana: Use per-queue allocation for tx_qp to reduce allocation size")
https://lore.kernel.org/ajAPXu-C_PuTgV-a@sirena.org.uk

No adjacent changes.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2026-06-16 14:59:58 -07:00
Yiming Qian
406e8a651a net: skmsg: preserve sg.copy across SG transforms 
The sk_msg sg.copy bitmap is part of the scatterlist entry ownership
state. A set bit tells sk_msg_compute_data_pointers() not to expose the
entry through writable BPF ctx->data. This protects entries backed by
pages that are not private to the sk_msg, such as splice-backed file
page-cache pages.

Several sk_msg transform paths move, copy, split, or compact
msg->sg.data[] entries without moving the matching sg.copy bit. This can
make an externally backed entry arrive at a new slot with a clear copy
bit. A later SK_MSG verdict can then expose sg_virt(sge) as writable
ctx->data and BPF stores can modify the original page cache.

Keep sg.copy synchronized with sg.data[] whenever entries are
transferred, shifted, split, or copied into a new sk_msg. Clear the bit
when an entry is replaced by a newly allocated private page or freed.
This covers the BPF pull/push/pop helpers, sk_msg_shift_left/right(),
sk_msg_xfer(), and tls_split_open_record(), including the partial tail
entry created during TLS open-record splitting.

Fixes: d3b18ad31f ("tls: add bpf support to sk_msg handling")
Cc: stable@vger.kernel.org
Reported-by: Yiming Qian <yimingqian591@gmail.com>
Reported-by: Keenan Dong <keenanat2000@gmail.com>
Signed-off-by: Yiming Qian <yimingqian591@gmail.com>
Link: https://patch.msgid.link/20260610062137.49075-1-yimingqian591@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2026-06-16 14:38:46 -07:00
Jakub Kicinski
8940a8202c Merge branch 'appletalk-move-the-protocol-out-of-tree' 
Jakub Kicinski says:

====================
appletalk: move the protocol out of tree

This tiny series moves appletalk out of tree, to:

  https://github.com/linux-netdev/mod-orphan

Core maintainainers are unable to keep up with the rate of security
bug reports and fixes. Nobody seems to care about appletalk enough
to review the patches.

As Eric pointed out Mac OS dropped AppleTalk over a decade ago.
====================

Link: https://patch.msgid.link/20260615222935.947233-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2026-06-16 14:37:17 -07:00
Jakub Kicinski
8a398a0c18 appletalk: move the protocol out of tree 
AppleTalk has been removed in MacOS X 10.6 (Snow Leopard), in 2009,
according to Wikipedia. We recently got a burst of AI generated
fixes to this protocol which nobody is reviewing.

Let AppleTalk follow AX.25 and hamradio out of the Linux tree.
We we will maintain the code at: github.com/linux-netdev/mod-orphan
for anyone interested in playing with it.

Retain the uAPI for now. No strong reason, simply because I suspect
keeping it will be less controversial.

Acked-by: Stephen Hemminger <stephen@networkplumber.org>
Link: https://patch.msgid.link/20260615222935.947233-3-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2026-06-16 14:37:06 -07:00
Jakub Kicinski
023f9b0f2f appletalk: stop storing per-interface state in struct net_device 
AppleTalk keeps its per-interface control block (struct atalk_iface)
directly in struct netdevice (dev->atalk_ptr). This is the only thing
tying the protocol into the core net_device layout and is the sole
blocker to moving AppleTalk out of tree.

Replace dev->atalk_ptr with a small ifindex-keyed hashtable internal
to ddp.c. The existing atalk_interfaces list stays the owner of the iface
objects; the hashtable is purely a fast dev->iface index and reuses
the same atalk_interfaces_lock.

AFAICT this patch does not make this code any more racy than it already
is, I'm sure Sashiko will point out some basically existing bugs.
AFAICT atalk_interfaces_lock is the innermost lock already.

Acked-by: Stephen Hemminger <stephen@networkplumber.org>
Link: https://patch.msgid.link/20260615222935.947233-2-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2026-06-16 14:37:06 -07:00
Jakub Kicinski
ffaf896773 Merge branch 'tls-reject-the-combination-of-tls-and-sockmap' 
Jakub Kicinski says:

====================
tls: reject the combination of TLS and sockmap

There are no known TLS+sockmap users and it has some known
hard to solve bugs. Let's reject this configuration as we
discussed a number of times.
====================

Link: https://patch.msgid.link/20260614014102.461064-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2026-06-16 08:55:48 -07:00
Jakub Kicinski
5949a7cf11 selftests/bpf: test that TLS crypto is rejected on a sockmap socket 
TLS and sockmap are mutually exclusive. We already have a test
for the sockmap side rejecting kTLS, add the inverse test matching
patch 1 of this series.

Link: https://patch.msgid.link/20260614014102.461064-6-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2026-06-16 08:55:41 -07:00
Jakub Kicinski
6af8971d91 selftests/bpf: drop the unused kTLS program from test_sockmap 
With the sockmap + kTLS tests gone, the BPF-side support in test_sockmap
is dead: the tls_sock_map map and bpf_prog3 (which redirected skbs into
it) are no longer referenced. Remove them, along with the now-unused
bpf_write_pass() helper.

bpf_prog3 was progs[2], so renumber the progs[] users in test_sockmap.c:
the sockops program drops to progs[2] and the sk_msg tx programs to
progs[3..7]. Shrink the map/prog arrays from 9 to 8 and drop the
tls_sock_map entry (the last one) from map_names[] to match.

Link: https://patch.msgid.link/20260614014102.461064-5-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2026-06-16 08:55:41 -07:00
Jakub Kicinski
faf89584e4 selftests/bpf: remove sockmap + ktls tests 
The combination of sockmap and TLS is no longer supported - installing
the TLS ULP on a sockmap socket (and vice versa) is now rejected. Remove
the tests that exercise the combination along with their BPF program;
the file covered nothing but sockmap sockets holding kTLS contexts.

Reviewed-by: Jakub Sitnicki <jakub@cloudflare.com>
Link: https://patch.msgid.link/20260614014102.461064-4-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2026-06-16 08:55:41 -07:00
Jakub Kicinski
79511603a6 tls: remove dead sockmap (psock) handling from the SW path 
TLS and sockmap are now mutually exclusive. Try to delete the code
from sendmsg and recvmsg path which is now obviously dead.

The main goal is to delete enough code for AI security scanners
to no longer bother us with sockmap related bugs. At the same
time retain the code in case someone has the cycles to fix
all of this and make the integration work, again.

If the integration does not get restored we can wipe the rest
of the skmsg code from TLS in two or three releases.

The changes on the Tx side are deeper since that's where most
of the bugs are, Rx side simply takes the data from sockmap
and gives it to the user. On Tx split record handling and
rolling back the iterator were the two problem areas.

Reviewed-by: Jakub Sitnicki <jakub@cloudflare.com>
Reviewed-by: Sabrina Dubroca <sd@queasysnail.net>
Link: https://patch.msgid.link/20260614014102.461064-3-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2026-06-16 08:55:41 -07:00
Jakub Kicinski
460e648661 tls: reject the combination of TLS and sockmap 
TLS and sockmap (BPF psock) integration hides a lot of latent bugs.
Bugs which may be more or less relevant for real users but they
are definitely exploitable.

We could not find anyone actively using this integration so let's
reject this config. Adding a TLS socket to a sockmap was already
rejected by sk_psock_init() through the inet_csk_has_ulp() check.
We need to reject the attempts to configure the TLS keys (rather
than adding the ULP itself) because checking prior to the ULP
installation is tricky without risking a race with sockmap getting
added in parallel (sockmap does not hold the socket lock).

This patch is a minimal rejection of the feature. Subsequent patch
in the series will do a light dead code removal. Full cleanup would
require a major rewrite of the Tx path, we don't need skmsg any more.

Reviewed-by: Jakub Sitnicki <jakub@cloudflare.com>
Reviewed-by: Sabrina Dubroca <sd@queasysnail.net>
Link: https://patch.msgid.link/20260614014102.461064-2-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2026-06-16 08:55:40 -07:00
Jakub Kicinski
e1f544466b Merge branch 'atm-remove-more-dead-code' 
Jakub Kicinski says:

====================
atm: remove more dead code

Commit 6deb535950 ("net: remove unused ATM protocols and legacy
ATM device drivers") removed a good chunk of old ATM drivers.
Our goal going forward is to limit the ATM support to PPPoATM
used in ADSL deployments.

A recent burst of AI generated fixes for net/atm/signaling.c and
net/atm/svc.c made me look closer at the remaining code. PPPoATM runs
over permanent virtual circuits (PF_ATMPVC) with a statically
configured VPI/VCI. We can drop switched virtual circuits (SVCs)
and user-space signaling (atmsigd) support. While digging around
I noticed a few more obviously dead pieces of code.

Annoyingly, I have applied one "fix" to QoS config which will
now make net conflict with this series :/
====================

Link: https://patch.msgid.link/20260615194416.752559-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2026-06-16 08:53:57 -07:00
Jakub Kicinski
8f9616500c atm: remove orphaned uAPI for deleted drivers, protocols and SVCs 
ATM removals have left a number of uAPI headers and ioctl
definitions with no in-kernel implementation behind them:

 - device headers for adapters deleted with the legacy PCI/SBUS drivers:
   atm_eni.h, atm_he.h, atm_idt77105.h, atm_nicstar.h, atm_zatm.h and
   the atmtcp pair atm_tcp.h / <linux/atm_tcp.h>
 - protocol headers for the removed CLIP, LANE and MPOA stacks:
   atmarp.h, atmclip.h, atmlec.h, atmmpc.h
 - atmsvc.h and the SVC / p2mp / local-address ioctls in atmdev.h
   (ATM_{GET,RST,ADD,DEL}ADDR, ATM_{ADD,DEL,GET}LECSADDR,
   ATM_{ADD,DROP}PARTY) left behind by the SVC and address-registry
   removals

None of these are referenced by any remaining in-tree code.
Let's try to delete all this. Chances are nobody cares about
these headers any more. I'm keeping this separate from the
kernel side code changes for ease of revert, in case I am
proven wrong...

Link: https://patch.msgid.link/20260615194416.752559-10-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2026-06-16 08:53:53 -07:00
Jakub Kicinski
e44e224e2f atm: remove unused ATM PHY operations 
The PHY operations are vestiges of the SAR/framer split used by the
removed PCI/SBUS ATM adapters:

 - atmdev_ops::phy_put / ::phy_get (register accessors) are never called
   by the core and solos-pci only listed them as NULL
 - struct atmphy_ops and atm_dev::phy have no users at all - nothing
   assigns or dereferences them

Remove all of them. atm_dev::phy_data is kept: solos-pci repurposes it
to stash its per-port channel index.

Link: https://patch.msgid.link/20260615194416.752559-9-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2026-06-16 08:53:53 -07:00
Jakub Kicinski
ae6e653514 atm: remove the unused pre_send and send_bh device operations 
atmdev_ops::pre_send (a TX pre-processing hook) and ::send_bh (a
bottom-half capable send variant) have no implementation behind them:
no remaining ATM driver sets either, so vcc_sendmsg() always skipped
pre_send and the raw AAL0/AAL5 paths always fell back to ->send().
The drivers that used these hooks were removed with the legacy ATM
adapters.

Drop both operations and the dead branches that tested for them.

Link: https://patch.msgid.link/20260615194416.752559-8-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2026-06-16 08:53:52 -07:00
Jakub Kicinski
6719d57ee0 atm: remove the unused change_qos device operation 
atmdev_ops::change_qos() was the hook for renegotiating the traffic
parameters of an already-connected VCC, driven from SO_ATMQOS on a
connected socket (and previously from the SVC as_modify path, now gone).
None of the ATM drivers left in tree implement it - solos-pci only listed
change_qos = NULL - so atm_change_qos() always returned -EOPNOTSUPP.

Drop the operation and return -EOPNOTSUPP directly.

Link: https://patch.msgid.link/20260615194416.752559-7-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2026-06-16 08:53:52 -07:00
Jakub Kicinski
aa582dc25a atm: remove SVC socket support and the signaling daemon interface 
ATM switched virtual circuits (SVCs) are set up and torn down by a
user-space signaling daemon (atmsigd) which the kernel talks to over
a dedicated "sigd" socket: the kernel marshals Q.2931-style requests
(as_connect, as_listen, as_accept, as_close, ...) to the daemon and
applies the results to PF_ATMSVC sockets. This is the machinery behind
classical SVC use and was the foundation for LANE / MPOA, all of which
have been removed.

DSL deployments do not use any of this. PPPoATM and BR2684 run over
permanent virtual circuits (PF_ATMPVC) with a statically configured
VPI/VCI; no atmsigd, no Q.2931. Neither remaining ATM driver
(solos-pci, the USB DSL modems) is reachable through the SVC path.

Remove the SVC socket family and the signaling interface:

 - delete net/atm/svc.c, net/atm/signaling.c and signaling.h
 - drop atmsvc_init()/atmsvc_exit() and the PF_ATMSVC registration and
   module alias
 - drop the ATMSIGD_CTRL ioctl (sigd_attach) and the /proc/net/atm/svc
   file
 - fold the SVC branch out of atm_change_qos(); all sockets are PVCs now

The obsolete ATM_SETSC ioctl stub is left in place (it already just
warns and returns 0), as is the struct atm_vcc SVC bookkeeping shared
with the queueing layer.

Link: https://patch.msgid.link/20260615194416.752559-6-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2026-06-16 08:53:52 -07:00
Jakub Kicinski
a5a12d76d2 atm: remove the local ATM (NSAP) address registry 
net/atm/addr.c maintained the per-device lists of local NSAP addresses
(dev->local) and ILMI-learned LECS addresses (dev->lecs). These exist
solely to serve SVC signaling: the lists are populated through the
ATM_{ADD,DEL,RST}ADDR / ATM_{ADD,DEL,GET}LECSADDR ioctls used by the
atmsigd / ILMI daemons, and consumed when registering addresses with the
signaling daemon. The LECS list belonged to LAN Emulation, which has
been removed.

With no SVC users in a DSL-only configuration these lists are always
empty, so drop the registry entirely:

 - remove the ADDR/LECSADDR/RSTADDR ioctls
 - drop the now-always-empty "atmaddress" sysfs attribute
 - remove the dev->local / dev->lecs lists, structs and enums
 - delete net/atm/addr.c and net/atm/addr.h

The device ESI ("MAC" address) and its ATM_{G,S}ETESI ioctls and
"address" sysfs attribute are retained - the USB DSL modems populate
the ESI.

Link: https://patch.msgid.link/20260615194416.752559-5-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2026-06-16 08:53:52 -07:00
Jakub Kicinski
277fb497d1 atm: remove dead SONET PHY ioctls 
The SONET_* ioctls are SONET/SDH PHY controls that atm_dev_ioctl() and
the compat path only ever forwarded to the driver's ->ioctl() handler.
The PHY drivers that implemented them (the S/UNI library and the framers
on the removed PCI/SBUS adapters) are gone, and neither surviving driver
services them: solos-pci has no ->ioctl, and usbatm handles only
ATM_QUERYLOOP. They now uniformly return an error regardless.

Drop the SONET compat passthrough and the SONET cases in atm_dev_ioctl(),
along with the now-unused linux/sonet.h includes. The SONET_* uAPI
definitions are untouched.

Link: https://patch.msgid.link/20260615194416.752559-4-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2026-06-16 08:53:52 -07:00
Jakub Kicinski
b20aa9eded atm: remove the unused send_oam / push_oam callbacks 
The atmdev_ops::send_oam device operation and the atm_vcc::push_oam
callback were the kernel's interface for raw F4/F5 OAM cell exchange.
Nothing assigns them a non-NULL value and nothing ever invokes them:
the core only ever initialises push_oam to NULL (in vcc_create() and the
AAL init helpers) and the Solos driver only lists send_oam = NULL for
documentation. The drivers that actually drove OAM through these hooks
were removed along with the legacy ATM adapters.

Drop both callbacks and the NULL initialisers.

Link: https://patch.msgid.link/20260615194416.752559-3-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2026-06-16 08:53:52 -07:00
Jakub Kicinski
c1468145ce atm: remove AAL3/4 transport support 
AAL3/4 is an obsolete connection-oriented ATM adaptation layer that has
seen no real use since the SMDS-era hardware it was designed for (90s?).
We are only maintaining ATM support in-tree to keep PPPoATM running,
and PPPoATM runs over AAL5.

Drop the "raw" AAL3/4 transport (atm_init_aal34()) and the ATM_AAL34
cases in the connect and traffic-parameter paths. A vcc_connect() with
qos.aal == ATM_AAL34 now fails with -EPROTOTYPE.

uAPI cleanup is performed later, separately.

Link: https://patch.msgid.link/20260615194416.752559-2-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2026-06-16 08:53:51 -07:00
Yijie Yang
faa25db089 dt-bindings: interrupt-controller: qcom,pdc: Add Maili compatible string 
Register qcom,maili-pdc as a supported compatible string for the
Qualcomm PDC interrupt controller binding.

Signed-off-by: Yijie Yang <yijie.yang@oss.qualcomm.com>
Link: https://patch.msgid.link/20260615-maili-pdc-v1-1-add21e8eec3e@oss.qualcomm.com
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
 2026-06-16 08:53:12 -05:00
Linus Torvalds
6b5a2b7d9b RTLA patches for v7.2 
- Fix discrepancy in --dump-tasks option
 
   Due to a mistake, rtla-timerlat-hist used the CLI syntax "--dump-task"
   instead of the documented "--dump-tasks". Change the option to match
   both documentation and the other timerlat tool, rtla-timerlat-top.
 
 - Extend coverage of runtime tests
 
   Cover both top and hist tools in all applicable test cases, add tests
   for a few uncovered options, and extend checks for some existing tests.
 
 - Add unit tests for actions
 
   rtla's actions feature is implemented in its source file and contains
   non-trivial parsing logic. Cover it with unit tests.
 
 - Stop record trace on interrupt
 
   Fix a bug where an interval exists after receiving a signal in which
   the main instance is stopped but the record instance is not, leading to
   discrepancies in reported results and sometimes rtla hanging.
 
 - Restore continue flag in actions_perform()
 
   Fix a bug where rtla always continues tracing after hitting a threshold
   even if the continue action was triggered just once, and add tests
   verifying that the flag is reset properly.
 
 - Migrate command line interface to libsubcmd
 
   Replace rtla's argument parsing using getopt_long() with libsubcmd, used
   by perf and objtool, to reuse existing code and auto-generate better
   help messages. Extensive unit tests are included to detect regressions.
 
 - Add -A/--aligned option to timerlat tools
 
   Add an option to align timerlat threads, based on the recently
   introduced TIMERLAT_ALIGN option of the timerlat tracer, together with
   unit tests and documentation.
 
 - Document tests in README
 
   Document how to run unit and runtime tests in rtla's README.txt,
   including the dependencies needed to run them.
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Merge tag 'trace-tools-v7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace

Pull RTLA tool updates from Steven Rostedt:

 - Fix discrepancy in --dump-tasks option

   Due to a mistake, rtla-timerlat-hist used the CLI syntax
   "--dump-task" instead of the documented "--dump-tasks". Change the
   option to match both documentation and the other timerlat tool,
   rtla-timerlat-top.

 - Extend coverage of runtime tests

   Cover both top and hist tools in all applicable test cases, add tests
   for a few uncovered options, and extend checks for some existing
   tests.

 - Add unit tests for actions

   rtla's actions feature is implemented in its source file and contains
   non-trivial parsing logic. Cover it with unit tests.

 - Stop record trace on interrupt

   Fix a bug where an interval exists after receiving a signal in which
   the main instance is stopped but the record instance is not, leading
   to discrepancies in reported results and sometimes rtla hanging.

 - Restore continue flag in actions_perform()

   Fix a bug where rtla always continues tracing after hitting a
   threshold even if the continue action was triggered just once, and
   add tests verifying that the flag is reset properly.

 - Migrate command line interface to libsubcmd

   Replace rtla's argument parsing using getopt_long() with libsubcmd,
   used by perf and objtool, to reuse existing code and auto-generate
   better help messages. Extensive unit tests are included to detect
   regressions.

 - Add -A/--aligned option to timerlat tools

   Add an option to align timerlat threads, based on the recently
   introduced TIMERLAT_ALIGN option of the timerlat tracer, together
   with unit tests and documentation.

 - Document tests in README

   Document how to run unit and runtime tests in rtla's README.txt,
   including the dependencies needed to run them.

* tag 'trace-tools-v7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace: (26 commits)
  rtla: Document tests in README
  Documentation/rtla: Add -A/--aligned option
  rtla/tests: Add unit tests for -A/--aligned option
  rtla/timerlat: Add -A/--aligned CLI option
  rtla/tests: Add unit tests for CLI option callbacks
  rtla/tests: Add unit tests for _parse_args() functions
  rtla: Parse cmdline using libsubcmd
  tools subcmd: allow parsing distinct --opt and --no-opt
  tools subcmd: support optarg as separate argument
  rtla: Add libsubcmd dependency
  rtla/tests: Add runtime tests for restoring continue flag
  rtla/tests: Run runtime tests in temporary directory
  rtla/tests: Add unit test for restoring continue flag
  rtla/actions: Restore continue flag in actions_perform()
  rtla: Stop the record trace on interrupt
  rtla/tests: Add unit tests for actions module
  rtla/tests: Add runtime tests for -C/--cgroup
  rtla/tests: Add runtime test for -k and -u options
  rtla/tests: Add runtime test for -H/--house-keeping
  rtla/tests: Cover all hist options in runtime tests
  ...
 2026-06-16 17:50:34 +05:30
Linus Torvalds
c071a4fbb0 tracing latency updates for 7.2: 
- Dump the stack to the buffer on timerlat uret threashold event
 
   Record the stack trace in the buffer for THREAD_URET as well as
   THREAD_CONTEXT when the threshold is hit. Otherwise, if the threshold was
   not hit at task wakeup, but was at task return, it will not produce a
   stack trace making it harder to debug.
 
 - Have osnoise trace prints print to all buffers
 
   The osnoise tracer is allowed to print to the main buffer. Add a
   osnoise_print() helper function and use trace_array_vprintk() to print
   osnoise output.
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Merge tag 'trace-latency-v7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace

Pull tracing latency updates from Steven Rostedt:

 - Dump the stack to the buffer on timerlat uret threashold event

   Record the stack trace in the buffer for THREAD_URET as well as
   THREAD_CONTEXT when the threshold is hit. Otherwise, if the threshold
   was not hit at task wakeup, but was at task return, it will not
   produce a stack trace making it harder to debug.

 - Have osnoise trace prints print to all buffers

   The osnoise tracer is allowed to print to the main buffer. Add a
   osnoise_print() helper function and use trace_array_vprintk() to
   print osnoise output.

* tag 'trace-latency-v7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
  tracing/osnoise: Array printk init and cleanup
  tracing/osnoise: Dump stack on timerlat uret threshold event
 2026-06-16 17:38:19 +05:30
Linus Torvalds
18ecdd4d0a Probes updates for v7.2 
- eprobes: BTF support for dereferencing pointers
   . tracing/eprobes: Allow use of BTF names to dereference pointers. Add syntax
     to the parsing of eprobes to typecast structure pointer trace event fields,
     enabling BTF-based dereferencing instead of relying on manual offsets.
 
 - probes: Improvements and robustness enhancements
   . tracing: Use flexible array for entry fetch code. Store probe entry fetch
     instructions in the probe_entry_arg allocation via a flexible array
     member to simplify memory allocation and lifetime management.
   . tracing: Replace BUG_ON with lockdep_assert_held in uprobe_buffer functions.
     Replace BUG_ON() calls with lockdep_assert_held() in uprobe buffer
     enable/disable paths to prevent kernel crashes and better verify lock ownership.
   . tracing/probes: Ensure the uprobe buffer size is bigger than event size.
     Add a BUILD_BUG_ON() assertion to guarantee that the per-CPU uprobe
     working buffer size is always larger than the maximum probe event size.
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Merge tag 'probes-v7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace

Pull probes updates from Masami Hiramatsu:

 - BTF support for dereferencing pointers

   Add syntax to the parsing of eprobes to typecast structure pointer
   trace event fields, enabling BTF-based dereferencing instead of
   relying on manual offsets.

 - Improvements and robustness enhancements

    - Use flexible array for entry fetch code.

      Store probe entry fetch instructions in the probe_entry_arg
      allocation via a flexible array member to simplify memory
      allocation and lifetime management.

    - Replace BUG_ON with lockdep_assert_held in uprobe_buffer functions

      Replace BUG_ON() calls with lockdep_assert_held() in uprobe buffer
      enable/disable paths to prevent kernel crashes and better verify
      lock ownership.

    - Ensure the uprobe buffer size is bigger than event size.

      Add a BUILD_BUG_ON() assertion to guarantee that the per-CPU
      uprobe working buffer size is always larger than the maximum probe
      event size.

* tag 'probes-v7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
  tracing/eprobes: Allow use of BTF names to dereference pointers
  tracing: Replace BUG_ON with lockdep_assert_held in uprobe_buffer functions
  tracing: Use flexible array for entry fetch code
  tracing/probes: Ensure the uprobe buffer size is bigger than event size
 2026-06-16 17:33:20 +05:30