Remove raw GPIO number usage from S3C6410-based crag6410 board.
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Merge tag 'samsung-soc-7.2' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into soc/arm
Samsung mach/soc changes for v7.2
Remove raw GPIO number usage from S3C6410-based crag6410 board.
* tag 'samsung-soc-7.2' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
ARM: s3c: use gpio lookup table for LEDs
Signed-off-by: Linus Walleij <linusw@kernel.org>
This pull request contains fixes for building the zx29 SoC documentation
contributed by Randy Dunlap.
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Merge tag 'zx29-docfix-for-7.2' of https://gitlab.com/stefandoesinger/zx297520-kernel into soc/arm
ARM: zte: clean up zx297520v3 doc. warnings
This pull request contains fixes for building the zx29 SoC documentation
contributed by Randy Dunlap.
* tag 'zx29-docfix-for-7.2' of https://gitlab.com/stefandoesinger/zx297520-kernel:
ARM: zte: clean up zx297520v3 doc. warnings
Signed-off-by: Linus Walleij <linusw@kernel.org>
mx31_read_cpu_rev() maps the IIM registers with of_iomap() to read the
silicon revision, but returns without unmapping the MMIO mapping.
Keep the normalized revision value in a local variable and route the
return path through iounmap() after the revision register has been read.
Fixes: 3172225d45 ("ARM: imx31: Retrieve the IIM base address from devicetree")
Signed-off-by: Yuho Choi <dbgh9129@gmail.com>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
of_find_compatible_node() returns a referenced device node. The i.MX31
and i.MX35 early init paths use the node to map the CCM registers with
of_iomap(), but never drop the node reference.
Release the node after the mapping is created.
Fixes: 2cf98d1295 ("ARM: imx3: Retrieve the CCM base address from devicetree")
Signed-off-by: Yuho Choi <dbgh9129@gmail.com>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Code in misc-ep93xx.h relies on machine_is_*() macros for several
boards that no longer have legacy board files. They were removed in
commit e5ef574dda ("ARM: ep93xx: delete all boardfiles"). This
prevents the removal of machine IDs no longer used by the kernel from
mach-types. To resolve this issue, create local copies of these macros.
(The checks themselves are still valid because the IDs are still passed
in by the bootloader on these machines.) Also take the opportunity to
remove three repeated checks for the same ID.
Signed-off-by: Ethan Nelson-Moore <enelsonmoore@gmail.com>
Acked-by: Alexander Sverdlin <alexander.sverdlin@gmail.com>
Signed-off-by: Alexander Sverdlin <asv@kernel.org>
Fix multiple documentation build warnings.
Improve punctuation and formatting of the rendered output.
Documentation/arch/arm/zte/zx297520v3.rst:66: WARNING: Title underline too short.
3. Building for built-in U-Boot
--------------------------- [docutils]
Documentation/arch/arm/zte/zx297520v3.rst:90: WARNING: Enumerated list ends without a blank line; unexpected unindent. [docutils]
Documentation/arch/arm/zte/zx297520v3.rst:116: WARNING: Inline literal start-string without end-string. [docutils]
Documentation/arch/arm/zte/zx297520v3.rst:137: ERROR: Unexpected indentation. [docutils]
Documentation/arch/arm/zte/zx297520v3.rst:138: WARNING: Block quote ends without a blank line; unexpected unindent. [docutils]
Documentation/arch/arm/zte/zx297520v3.rst:164: WARNING: Inline literal start-string without end-string. [docutils]
Documentation/arch/arm/zte/zx297520v3.rst:164: WARNING: Inline interpreted text or phrase reference start-string without end-string. [docutils]
Documentation/arch/arm/zte/zx297520v3.rst:7: WARNING: Document or section may not begin with a transition. [docutils]
Fixes: 220ae5d36d ("ARM: zte: Add zx297520v3 platform support")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reviewed-by: Stefan Dösinger <stefandoesinger@gmail.com>
Reviewed-by: Bagas Sanjaya <bagasdotme@gmail.com>
Signed-off-by: Stefan Dösinger <stefandoesinger@gmail.com>
This SoC is used in low end LTE-to-WiFi routers, for example some D-Link
DWR 932 revisions, ZTE K10, ZLT S10 4G, but also models that are branded
and sold by ISPs themselves. They are widespread in Africa, China,
Russia and Eastern Europe.
This SoC is a relative of the zx296702 and zx296718 that had some
upstream support until commit 89d4f98ae9 ("ARM: remove zte zx
platform").
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Merge tag 'zx29-plat-for-7.2' of https://gitlab.com/stefandoesinger/zx297520-kernel into soc/arm
ARM: zte: Add zx297520v3 platform support
This SoC is used in low end LTE-to-WiFi routers, for example some D-Link
DWR 932 revisions, ZTE K10, ZLT S10 4G, but also models that are branded
and sold by ISPs themselves. They are widespread in Africa, China,
Russia and Eastern Europe.
This SoC is a relative of the zx296702 and zx296718 that had some
upstream support until commit 89d4f98ae9 ("ARM: remove zte zx
platform").
* tag 'zx29-plat-for-7.2' of https://gitlab.com/stefandoesinger/zx297520-kernel:
ARM: zte: Add zx297520v3 platform support
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
OF_GPIO is selected automatically on all OF systems. Any symbols it
controls also provide stubs so there's really no reason to select it
explicitly. ARCH_MVEBU already selects GPIOLIB, drop the redundant
OF_GPIO dependency.
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
Reviewed-by: Linus Walleij <linusw@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
File-scope 'scmi_imx_misc_ctrl_nb' is not used outside of this unit, so
make it static to silence sparse warning:
sm-misc.c:19:23: warning: symbol 'scmi_imx_misc_ctrl_nb' was not declared. Should it be static?
Reviewed-by: Daniel Baluta <daniel.baluta@nxp.com>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
This SoC is used in low end LTE-to-WiFi routers, for example some D-Link
DWR 932 revisions, ZTE K10, ZLT S10 4G, but also models that are branded
and sold by ISPs themselves. They are widespread in Africa, China,
Russia and Eastern Europe.
This SoC is a relative of the zx296702 and zx296718 that had some
upstream support until commit 89d4f98ae9 ("ARM: remove zte zx
platform").
Reviewed-by: Linus Walleij <linusw@kernel.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Signed-off-by: Stefan Dösinger <stefandoesinger@gmail.com>
---
Patch changelog:
v8:
* Select ARM_PSCI_FW (Sashiko). This is an issue make defconfig pointed
out in the last patch in this series. The board does not have PSCI
firmware as far as I can tell, but the ARM_GIC_V3 option indirectly
assumes ARM_PSCI_FW is enabled.
* Include <linux/init.h> in the board file for __initdata (Sashiko),
removed other includes copypasted from another platform that aren't
needed. Let's see if Sashiko agrees.
* Add the SoC documentation to the documentation index (Sashiko)
* Add the SoC documentation to MAINTAINERS (Sashiko)
* Removed redundant if ARCH_ZTE (Sashiko)
* Point towards a sane (USB-Only) U-Boot and modify the example code for
booting from NAND to detect already fixed GIC setups.
Software node describing the GPIO controller for the pxa27x platforms is
currently "dangling" - it's not actually attached to the relevant
controller and doesn't allow real fwnode lookup. Attach it once it's
registered as a firmware node before adding the platform device.
Reviewed-by: Linus Walleij <linusw@kernel.org>
Link: https://patch.msgid.link/20260430-pxa-gpio-swnodes-v3-4-5142e95f0eca@oss.qualcomm.com
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
Software node describing the GPIO controller for the pxa25x platforms is
currently "dangling" - it's not actually attached to the relevant
controller and doesn't allow real fwnode lookup. Attach it once it's
registered as a firmware node before adding the platform device.
Reviewed-by: Linus Walleij <linusw@kernel.org>
Link: https://patch.msgid.link/20260430-pxa-gpio-swnodes-v3-3-5142e95f0eca@oss.qualcomm.com
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
Software nodes describing the GPIO controllers for the spitz platform
are currently "dangling" - they're not actually attached to the relevant
controllers and don't allow real fwnode lookup. Attach them either by
directly assigning them to the struct device or by using the i2c board
info struct.
Reviewed-by: Linus Walleij <linusw@kernel.org>
Link: https://patch.msgid.link/20260430-pxa-gpio-swnodes-v3-2-5142e95f0eca@oss.qualcomm.com
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
Use a flexible array member (FAM) to combine hwmods array allocation
with the omap_device structure. This reduces the number of allocations
from two separate calls (one for the device, one for the array) to a
single allocation, improving efficiency and reducing memory fragmentation.
The FAM approach also enables bounds checking through __counted_by(),
which provides runtime verification that array accesses stay within
the allocated size. This improves security and helps catch bugs during
development.
Simplify error handling by removing the unnecessary multi-label goto
pattern. The new code is more straightforward: allocate, verify, copy
data, and either return success or error immediately.
Also removes the now-redundant kfree(od->hwmods) in omap_device_delete()
since the hwmods array is now embedded in the structure rather than
separately allocated.
Signed-off-by: Rosen Penev <rosenp@gmail.com>
Link: https://patch.msgid.link/20260330213528.18187-1-rosenp@gmail.com
Signed-off-by: Kevin Hilman (TI) <khilman@baylibre.com>
A few old machines have not been converted away from the old-style
gpiolib interfaces. Make these select the new CONFIG_GPIOLIB_LEGACY
symbol so the code still works where it is needed but can be left
out otherwise.
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20260428162757.540823-1-arnd@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
The crag6410 board is one of the last users of the gpio-led driver
with plain gpio numbers. The driver has several ways to pass this
information without using gpio numbers, using a lookup table is
the easiest way.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
Reviewed-by: Linus Walleij <linusw@kernel.org>
Link: https://patch.msgid.link/20260427143546.3098519-1-arnd@kernel.org
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
- sh: Fix fallout from ZERO_PAGE consolidation
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Merge tag 'sh-for-v7.1-tag2' of git://git.kernel.org/pub/scm/linux/kernel/git/glaubitz/sh-linux
Pull sh fix from John Paul Adrian Glaubitz:
"The ZERO_PAGE consolidation in v7.1, introduced a regression on sh
which made these systems unbootable.
The problem was that on sh, the initial boot parameters were
previously referenced as an array and after 6215d9f447 ("arch, mm:
consolidate empty_zero_page"), they were referenced as a pointer which
caused wrong code generation and boot hang.
This changes the declaration back to being an array which fixes the
boot hang"
* tag 'sh-for-v7.1-tag2' of git://git.kernel.org/pub/scm/linux/kernel/git/glaubitz/sh-linux:
sh: Fix fallout from ZERO_PAGE consolidation
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Merge tag 'slab-for-7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab
Pull slab fixes from Vlastimil Babka:
- Stable fixes for CONFIG_SMP=n where _nolock() allocations in NMI both
at kmalloc and page allocator levels are not properly protected by
the spin_trylock() semantics on !SMP (Harry Yoo)
* tag 'slab-for-7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab:
mm/slab: return NULL early from kmalloc_nolock() in NMI on UP
mm/page_alloc: return NULL early from alloc_frozen_pages_nolock() in NMI on UP
by Sebastian Andrzej Siewior.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'locking-urgent-2026-05-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking fix from Ingo Molnar:
"Fix lockup in requeue-PI during signal/timeout wakeups, by Sebastian
Andrzej Siewior"
* tag 'locking-urgent-2026-05-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
futex: Prevent lockup in requeue-PI during signal/ timeout wakeup
- Fix the delayed dequeue negative lag increase fix in the
fair scheduler (Peter Zijlstra)
- Fix wakeup_preempt_fair() to do proper delayed dequeue
(Vincent Guittot)
- Clear sched_entity::rel_deadline when initializing
forked entities, which bug can cause all tasks to be
EEVDF-ineligible, causing a NULL pointer dereference
crash in pick_next_entity() (Zicheng Qu)
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'sched-urgent-2026-05-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fixes from Ingo Molnar:
- Fix the delayed dequeue negative lag increase fix in the
fair scheduler (Peter Zijlstra)
- Fix wakeup_preempt_fair() to do proper delayed dequeue
(Vincent Guittot)
- Clear sched_entity::rel_deadline when initializing
forked entities, which bug can cause all tasks to be
EEVDF-ineligible, causing a NULL pointer dereference
crash in pick_next_entity() (Zicheng Qu)
* tag 'sched-urgent-2026-05-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/fair: Clear rel_deadline when initializing forked entities
sched/fair: Fix wakeup_preempt_fair() vs delayed dequeue
sched/fair: Fix the negative lag increase fix
Consolidation of empty_zero_page declarations broke boot on sh.
sh stores its initial boot parameters in a page reserved in
arch/sh/kernel/head_32.S. Before commit 6215d9f447 ("arch, mm:
consolidate empty_zero_page") this page was referenced in C code
as an array and after that commit it is referenced as a pointer.
This causes wrong code generation and boot hang.
Declare boot_params_page as an array to fix the issue.
Reported-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Tested-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Fixes: 6215d9f447 ("arch, mm: consolidate empty_zero_page")
Signed-off-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Reviewed-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Tested-by: Geert Uytterhoeven <geert+renesas@glider.be>
Tested-by: Artur Rojek <contact@artur-rojek.eu>
Signed-off-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
- Reject algorithms with authsizes that are too short in authencesn.
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Merge tag 'v7.1-p3' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto fix from Herbert Xu:
- Reject algorithms with authsizes that are too short in authencesn
* tag 'v7.1-p3' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: authencesn - reject short ahash digests during instance creation
- Fix a NULL pointer dereference in ntfs_index_walk_down() by validating
index block allocation.
- Fix a memory leak of the symlink target string in
ntfs_reparse_set_wsl_symlink() during error paths.
- Prevent VCN overflow and validate lowest_vcn in
ntfs_mapping_pairs_decompress() to avoid runlist corruption.
- Fix a page reference leak in ntfs_write_iomap_end_resident() when
attribute search context allocation fails.
- Fix an invalid PTR_ERR() usage on a valid folio pointer in
__ntfs_bitmap_set_bits_in_run().
- Correct directory link counting by dropping nlink only when the MFT
record link count reaches zero for WIN32/DOS aliases.
- Fix an uninitialized variable usage in ntfs_mapping_pairs_decompress()
by returning an error pointer directly.
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Merge tag 'ntfs-for-7.1-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/linkinjeon/ntfs
Pull ntfs fixes from Namjae Jeon:
- Fix a NULL pointer dereference in ntfs_index_walk_down() by
validating index block allocation
- Fix a memory leak of the symlink target string in
ntfs_reparse_set_wsl_symlink() during error paths
- Prevent VCN overflow and validate lowest_vcn in
ntfs_mapping_pairs_decompress() to avoid runlist corruption
- Fix a page reference leak in ntfs_write_iomap_end_resident()
when attribute search context allocation fails
- Fix an invalid PTR_ERR() usage on a valid folio pointer in
__ntfs_bitmap_set_bits_in_run()
- Correct directory link counting by dropping nlink only when
the MFT record link count reaches zero for WIN32/DOS aliases
- Fix an uninitialized variable in ntfs_mapping_pairs_decompress()
by returning an error pointer directly
* tag 'ntfs-for-7.1-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/linkinjeon/ntfs:
ntfs: Use return instead of goto in ntfs_mapping_pairs_decompress()
ntfs: drop nlink once for WIN32/DOS aliases
ntfs: fix invalid PTR_ERR() usage in __ntfs_bitmap_set_bits_in_run()
ntfs: fix error handling in ntfs_write_iomap_end_resident()
ntfs: fix VCN overflow in ntfs_mapping_pairs_decompress()
ntfs: fix WSL symlink target leak on reparse failure
ntfs: fix NULL dereference in ntfs_index_walk_down()
core and helpers:
- calculate framebuffer geometry with format helpers
- fix docs
amdgpu:
- GFX12 fix for CONFIG_DRM_DEBUG_MM configs
- Fix DC analog support
- Userq fixes
- GART placement fix
- Aldebaran SMU fixes
- AMDGPU_INFO_READ_MMR_REG fix
- UVD 3.1 fix
- GC 6 TCC fix
- Fix root reservation in amdgpu_vm_handle_fault()
- RAS fix
- Module reload fix for APUs
- Fix build for CONFIG_DRM_FBDEV_EMULATION=n
- IGT DWB regression fix
- GC 11.5.4 fix
- VCN user fence fixes
- JPEG user fence fixes
- SMU 13.0.6 fix
- VCN 3/4 IB parser fixes
- NV3x+ dGPU vblank fix
- DCE6/8 fixes for LVDS/eDP panels without an EDID
amdkfd:
- Fix for when CONFIG_HSA_AMD is not set
- SVM fixes
xe:
- uapi: Add missing pad and extensions check
- uapi: Reject unsafe PAT indices for CPU cached memory
- Drop registration of guc_submit_wedged_fini from xe_guc_submit_wedge
- Xe3p tuning and workaround fixes
- USE drm mm instead of drm SA for CCS read/write
- Fix leaks and null derefs
- Fix Wa_18022495364
appletbdrm:
- allocate protocol buffers with kvzalloc()
dma-buf:
- fix docs
imagination:
- avoid segfault in debugfs
ofdrm:
- put PCI device reference on errors
udl:
- increase USB timeout
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Merge tag 'drm-fixes-2026-05-02' of https://gitlab.freedesktop.org/drm/kernel
Pull drm fixes from Dave Airlie:
"Fixes for rc2, the usual amdgpu/xe double header, I think xe had a
couple of weeks combined due to some maintainer access issues,
otherwise there's just a few misc fixes and documentation fixups.
core and helpers:
- calculate framebuffer geometry with format helpers
- fix docs
amdgpu:
- GFX12 fix for CONFIG_DRM_DEBUG_MM configs
- Fix DC analog support
- Userq fixes
- GART placement fix
- Aldebaran SMU fixes
- AMDGPU_INFO_READ_MMR_REG fix
- UVD 3.1 fix
- GC 6 TCC fix
- Fix root reservation in amdgpu_vm_handle_fault()
- RAS fix
- Module reload fix for APUs
- Fix build for CONFIG_DRM_FBDEV_EMULATION=n
- IGT DWB regression fix
- GC 11.5.4 fix
- VCN user fence fixes
- JPEG user fence fixes
- SMU 13.0.6 fix
- VCN 3/4 IB parser fixes
- NV3x+ dGPU vblank fix
- DCE6/8 fixes for LVDS/eDP panels without an EDID
amdkfd:
- Fix for when CONFIG_HSA_AMD is not set
- SVM fixes
xe:
- uapi: Add missing pad and extensions check
- uapi: Reject unsafe PAT indices for CPU cached memory
- Drop registration of guc_submit_wedged_fini from xe_guc_submit_wedge
- Xe3p tuning and workaround fixes
- USE drm mm instead of drm SA for CCS read/write
- Fix leaks and null derefs
- Fix Wa_18022495364
appletbdrm:
- allocate protocol buffers with kvzalloc()
dma-buf:
- fix docs
imagination:
- avoid segfault in debugfs
ofdrm:
- put PCI device reference on errors
udl:
- increase USB timeout"
* tag 'drm-fixes-2026-05-02' of https://gitlab.freedesktop.org/drm/kernel: (77 commits)
drm/xe/uapi: Reject coh_none PAT index for CPU_ADDR_MIRROR
drm/xe/uapi: Reject coh_none PAT index for CPU cached memory in madvise
drm/xe/xelp: Fix Wa_18022495364
drm/xe/gsc: Fix BO leak on error in query_compatibility_version()
drm/xe/eustall: Fix drm_dev_put called before stream disable in close
drm/xe: Fix error cleanup in xe_exec_queue_create_ioctl()
drm/xe: Fix dma-buf attachment leak in xe_gem_prime_import()
drm/xe: Fix bo leak in xe_dma_buf_init_obj() on allocation failure
drm/xe/bo: Fix bo leak on GGTT flag validation in xe_bo_init_locked()
drm/xe/bo: Fix bo leak on unaligned size validation in xe_bo_init_locked()
drm/xe: Fix potential NULL deref in xe_exec_queue_tlb_inval_last_fence_put_unlocked
drm/xe/vf: Use drm mm instead of drm sa for CCS read/write
drm/xe: Add memory pool with shadow support
drm/xe/debugfs: Correct printing of register whitelist ranges
drm/xe: Mark ROW_CHICKEN5 as a masked register
drm/xe/tuning: Use proper register offset for GAMSTLB_CTRL
drm/xe/xe3p_lpg: Add missing indirect ring state feature flag
drm/xe: Drop redundant rtp entries for Wa_14019988906 & Wa_14019877138
drm/xe/vm: Add missing pad and extensions check
drm/xe: Drop registration of guc_submit_wedged_fini from xe_guc_submit_wedge()
...
- Avoid writing an uninitialised stack variable to POR_EL0 on
sigreturn if the poe_context record is absent
- Reserve one more page for the early 4K-page kernel mapping to cover
the extra [_text, _stext) split introduced by the non-executable
read-only mapping
- Force the arch_local_irq_*() wrappers to be __always_inline so that
noinstr entry and idle paths cannot call out-of-line, instrumentable
copies
- Fix potential sign extension in the arm64 SCS unwinder's DWARF
advance_loc4 decoding
- Tolerate arm64 ACPI platforms with only WFI and no deeper PSCI idle
states, restoring cpuidle registration on such systems
- Include the UAPI <asm/ptrace.h> header in the arm64 GCS libc test
rather than carrying a duplicate struct user_gcs definition (the
original #ifdef NT_ARM_GCS was wrong to cover the structure
definition as it would be masked out if the toolchain defined it)
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Catalin Marinas:
- Avoid writing an uninitialised stack variable to POR_EL0 on sigreturn
if the poe_context record is absent
- Reserve one more page for the early 4K-page kernel mapping to cover
the extra [_text, _stext) split introduced by the non-executable
read-only mapping
- Force the arch_local_irq_*() wrappers to be __always_inline so that
noinstr entry and idle paths cannot call out-of-line, instrumentable
copies
- Fix potential sign extension in the arm64 SCS unwinder's DWARF
advance_loc4 decoding
- Tolerate arm64 ACPI platforms with only WFI and no deeper PSCI idle
states, restoring cpuidle registration on such systems
- Include the UAPI <asm/ptrace.h> header in the arm64 GCS libc test
rather than carrying a duplicate struct user_gcs definition (the
original #ifdef NT_ARM_GCS was wrong to cover the structure
definition as it would be masked out if the toolchain defined it)
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: signal: Preserve POR_EL0 if poe_context is missing
arm64: Reserve an extra page for early kernel mapping
kselftest/arm64: Include <asm/ptrace.h> for user_gcs definition
ACPI: arm64: cpuidle: Tolerate platforms with no deep PSCI idle states
arm64/irqflags: __always_inline the arch_local_irq_*() helpers
arm64/scs: Fix potential sign extension issue of advance_loc4
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Merge tag 'selinux-pr-20260501' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux
Pull selinux fixes from Paul Moore:
- Ensure SELinux is always properly accessing its own sock LSM state
- Only reserve an xattr slot for SELinux if it will be used
- Fix a SELinux auditing regression in the directory avdcache
* tag 'selinux-pr-20260501' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux:
selinux: fix avdcache auditing
selinux: don't reserve xattr slot when we won't fill it
selinux: use sk blob accessor in socket permission helpers
Currently need_futex_hash_allocate_default() depends on strict pthread
semantics, abusing CLONE_THREAD. This breaks the non-concurrency
assumptions when doing the mm->futex_ref pcpu allocations, leading to
bugs[0] when sharing the mm in other ways; ie:
BUG: KASAN: slab-use-after-free in futex_hash_put
... where the +1 bias can end up on a percpu counter that mm->futex_ref
no longer points at.
Loosen the check to cover any CLONE_VM clone, except vfork(). Excluding
vfork keeps the existing paths untouched (no overhead), and we can't
race in the first place: either the parent is suspended and the child
runs alone, or mm->futex_ref is already allocated from an earlier
CLONE_VM.
Link: https://lore.kernel.org/all/CAL_bE8LsmCQ-FAtYDuwbJhOkt9p2wwYQwAbMh=PifC=VsiBM6A@mail.gmail.com/ [0]
Fixes: d9b05321e2 ("futex: Move futex_hash_free() back to __mmput()")
Reported-by: Yiming Qian <yimingqian591@gmail.com>
Signed-off-by: Davidlohr Bueso <dave@stgolabs.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
- Reject zero-length writes from userspace that corrupt
Debug Facility buffers
- Replace one s390 PCI maintainer
- Remove SCLP_OFB Kconfig option and enable the guarded code
unconditionally
- Replace incorrect use of phys_to_folio() to virt_to_folio()
in do_secure_storage_access()
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Merge tag 's390-7.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Alexander Gordeev:
- Reject zero-length writes from userspace that corrupt Debug Facility
buffers
- Replace one s390 PCI maintainer
- Remove SCLP_OFB Kconfig option and enable the guarded code
unconditionally
- Replace incorrect use of phys_to_folio() to virt_to_folio() in
do_secure_storage_access()
* tag 's390-7.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/mm: Fix phys_to_folio() usage in do_secure_storage_access()
s390/sclp: Remove SCLP_OFB Kconfig option
MAINTAINERS: Replace one of the maintainers for s390/pci
s390/debug: Reject zero-length input in debug_input_flush_fn()
s390/debug: Reject zero-length input before trimming a newline
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Merge tag 'io_uring-7.1-20260430' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux
Pull io_uring fixes from Jens Axboe:
- Remove dead struct io_buffer_list member
- Fix for incrementally consumed buffers with recvmsg multishot, which
requires a minimum value left in a buffer for any receive for the
headers. If there's still a bit of buffer left but it's smaller than
that value, then userspace will see a spurious -EFAULT returned in
the CQE
- Locking fix for the DEFER_TASKRUN retry list, which otherwise could
race with fallback cancelations. If the task is exiting with
task_work left in both the normal and retry list AND the exit cleanup
races with the task running task work, then entries could either be
doubly completed or lost
- Cap NAPI busy poll timeout to something sane, to avoid syzbot running
into excessive polling and triggering warnings around that
* tag 'io_uring-7.1-20260430' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux:
io_uring/tw: serialize ctx->retry_llist with ->uring_lock
io_uring/napi: cap busy_poll_to 10 msec
io_uring/kbuf: support min length left for incremental buffers
io_uring/kbuf: kill dead struct io_buffer_list 'nr_entries' member
There are a couple of nasty issues fixed here in the axiado and rockchip
drivers. We've also got more of the fixes from Johan here, this time
for the two Cadence drivers, plus a couple of other similar fixes from
John and Felix.
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Merge tag 'spi-fix-v7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fixes from Mark Brown:
"There are a couple of nasty issues fixed here in the axiado and
rockchip drivers. We've also got more of the fixes from Johan here,
this time for the two Cadence drivers, plus a couple of other similar
fixes from John and Felix"
* tag 'spi-fix-v7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: amlogic-spisg: initialize completion before requesting IRQ
spi: axiado: replace usleep_range() with udelay() in IRQ path
spi: cadence-quadspi: fix runtime pm and clock imbalance on unbind
spi: cadence-quadspi: fix unclocked access on unbind
spi: cadence-quadspi: fix clock imbalance on probe failure
spi: cadence-quadspi: fix runtime pm disable imbalance on probe failure
spi: cadence: fix clock imbalance on probe failure
spi: cadence: fix unclocked access on unbind
spi: rockchip: Drop unused and broken CR0 macros
spi: rockchip: Read ISR, not IMR, to detect cs-inactive IRQ
spi: rzv2h-rspi: Fix silent failure in clock setup error path
Commit 2e8a1acea8 ("arm64: signal: Improve POR_EL0 handling to
avoid uaccess failures") delayed the write to POR_EL0 in
rt_sigreturn to avoid spurious uaccess failures. This change however
relies on the poe_context frame record being present: on a system
supporting POE, calling sigreturn without a poe_context record now
results in writing arbitrary data from the kernel stack into POR_EL0.
Fix this by adding a __valid_fields member to struct
user_access_state, and zeroing the struct on allocation.
restore_poe_context() then indicates that the por_el0 field is valid
by setting the corresponding bit in __valid_fields, and
restore_user_access_state() only touches POR_EL0 if there is a valid
value to set it to. This is in line with how POR_EL0 was originally
handled; all frame records are currently optional, except
fpsimd_context.
To ensure that __valid_fields is kept in sync, fields (currently
just por_el0) are now accessed via accessors and prefixed with __ to
discourage direct access.
Fixes: 2e8a1acea8 ("arm64: signal: Improve POR_EL0 handling to avoid uaccess failures")
Cc: <stable@vger.kernel.org>
Reported-by: Will Deacon <will@kernel.org>
Signed-off-by: Kevin Brodsky <kevin.brodsky@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
A fix from Arnd readding a dependency on gpiolib which was implicitly
pulled in via an OF specific route which got removed as part of a
cleanup.
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Merge tag 'regulator-fix-v7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator fix from Mark Brown:
"A fix from Arnd re-adding a dependency on gpiolib which was implicitly
pulled in via an OF specific route which got removed as part of a
cleanup"
* tag 'regulator-fix-v7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
regulator: rpi-panel-attiny: add back GPIOLIB dependency
A fix from Colin for a spelling mistake in a dev_warn() message.
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Merge tag 'regmap-v7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap
Pull regmap fix from Mark Brown:
"A fix from Colin for a spelling mistake in a dev_warn() message"
* tag 'regmap-v7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
regmap: sdw-mbq: Fix spelling mistake "undeferable" -> "undeferrable"
and the remainder are for post-7.0 issues or aren't deemed suitable for
backporting.
There's a 2 patch DAMON series from SeongJae Park which address races
which could lead to use-after-free errors. And a 3 patch DAMON series
which avoids the possibility of presenting stale parameter values to
users.
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Merge tag 'mm-hotfixes-stable-2026-04-30-15-39' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull MM fixes from Andrew Morton:
"20 hotfixes. All are for MM (and for MMish maintainers). 9 are
cc:stable and the remainder are for post-7.0 issues or aren't deemed
suitable for backporting.
There are two DAMON series from SeongJae Park which address races
which could lead to use-after-free errors, and avoid the possibility
of presenting stale parameter values to users"
* tag 'mm-hotfixes-stable-2026-04-30-15-39' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
mm: memcontrol: fix rcu unbalance in get_non_dying_memcg_end()
mm/userfaultfd: detect VMA type change after copy retry in mfill_copy_folio_retry()
MAINTAINERS: remove stale kdump project URL
mm/damon/stat: detect and use fresh enabled value
mm/damon/lru_sort: detect and use fresh enabled and kdamond_pid values
mm/damon/reclaim: detect and use fresh enabled and kdamond_pid values
selftests/mm: specify requirement for PROC_MEM_ALWAYS_FORCE=y
mm/damon/sysfs-schemes: protect path kfree() with damon_sysfs_lock
mm/damon/sysfs-schemes: protect memcg_path kfree() with damon_sysfs_lock
MAINTAINERS: update Li Wang's email address
MAINTAINERS, mailmap: update email address for Qi Zheng
MAINTAINERS: update Liam's email address
mm/hugetlb_cma: round up per_node before logging it
MAINTAINERS: fix regex pattern in CORE MM category
mm/vma: do not try to unmap a VMA if mmap_prepare() invoked from mmap()
mm: start background writeback based on per-wb threshold for strictlimit BDIs
kho: fix error handling in kho_add_subtree()
liveupdate: fix return value on session allocation failure
mailmap: update entry for Dan Carpenter
vmalloc: fix buffer overflow in vrealloc_node_align()
The final part of [data, end) segment may overflow into the next page of
init_pg_end[1] which is the gap page before early_init_stack[2]:
[1]
crash_arm64_v9.0.1> vtop ffffffed00601000
VIRTUAL PHYSICAL
ffffffed00601000 83401000
PAGE DIRECTORY: ffffffecffd62000
PGD: ffffffecffd62da0 => 10000000833fb003
PMD: ffffff80033fb018 => 10000000833fe003
PTE: ffffff80033fe008 => 68000083401f03
PAGE: 83401000
PTE PHYSICAL FLAGS
68000083401f03 83401000 (VALID|SHARED|AF|NG|PXN|UXN)
PAGE PHYSICAL MAPPING INDEX CNT FLAGS
fffffffec00d0040 83401000 0 0 1 4000 reserved
[2]
ffffffed002c8000 (r) __pi__data
ffffffed0054e000 (d) __pi___bss_start
ffffffed005f5000 (b) __pi_init_pg_dir
ffffffed005fe000 (b) __pi_init_pg_end
ffffffed005ff000 (B) early_init_stack
ffffffed00608000 (b) __pi__end
For 4K pages, the early kernel mapping may use 2MB block entries but the
kernel segments are only 64KB aligned. Segment boundaries that fall
within a 2MB block therefore require a PTE table so that different
attributes can be applied on either side of the boundary.
KERNEL_SEGMENT_COUNT still correctly counts the five permanent kernel
VMAs registered by declare_kernel_vmas(). However, since commit
5973a62efa ("arm64: map [_text, _stext) virtual address range
non-executable+read-only"), the early mapper also maps [_text, _stext)
separately from [_stext, _etext). This adds one more early-only split
and can require one more page-table page than the existing
EARLY_SEGMENT_EXTRA_PAGES allowance reserves.
Increase the 4K-page early mapping allowance by one page to cover that
additional split.
Fixes: 5973a62efa ("arm64: map [_text, _stext) virtual address range non-executable+read-only")
Assisted-by: TRAE:GLM-5.1
Suggested-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Zhaoyang Huang <zhaoyang.huang@unisoc.com>
[catalin.marinas@arm.com: rewrote part of the commit log]
[catalin.marinas@arm.com: expanded the code comment]
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
kselftest includes kernel uAPI headers with option:
-isystem $(top_srcdir)/usr/include
Include <asm/ptrace.h> in libc-gcs.c for the definition of struct
user_gcs from the uAPI headers, and remove the redundant definition in
gcs-util.h. This fixes a compilation error on systems where the
toolchain defines NT_ARM_GCS.
Fixes: a505a52b4e ("kselftest/arm64: Add a GCS test program built with the system libc")
Signed-off-by: Leo Yan <leo.yan@arm.com>
Reviewed-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
- Add missing pad and extensions check (Jonathan)
- Reject unsafe PAT indices for CPU cached memory (Jia)
Driver Fixes:
- Drop registration of guc_submit_wedged_fini from xe_guc_submit_wedge (Brost)
- Xe3p tuning and workaround fixes (Roper, Gustavo)
- USE drm mm instead of drm SA for CCS read/write (Satya)
- Fix leaks and null derefs (Shuicheng)
- Fix Wa_18022495364 (Tvrtko)
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Merge tag 'drm-xe-fixes-2026-04-30' of https://gitlab.freedesktop.org/drm/xe/kernel into drm-fixes
API Fixes:
- Add missing pad and extensions check (Jonathan)
- Reject unsafe PAT indices for CPU cached memory (Jia)
Driver Fixes:
- Drop registration of guc_submit_wedged_fini from xe_guc_submit_wedge (Brost)
- Xe3p tuning and workaround fixes (Roper, Gustavo)
- USE drm mm instead of drm SA for CCS read/write (Satya)
- Fix leaks and null derefs (Shuicheng)
- Fix Wa_18022495364 (Tvrtko)
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patch.msgid.link/afO05KvmFMn_7qcY@intel.com
octal SPI NAND chips which use a specific pattern for stuffing more
address bits in some operations. This PR only carries the use of the a
spi-mem flag in SPI NAND. This flag has been added in the spi-mem layer
just before the merge window through the spi tree.
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Merge tag 'mtd/fixes-for-7.1-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux
Pull mtd fixes from Miquel Raynal:
"Besides an out-of-bound bug, this is about properly supporting Winbond
octal SPI NAND chips which use a specific pattern for stuffing more
address bits in some operations. This uses the spi-mem flag in SPI
NAND that was added to the spi-mem layer just before the merge window
through the spi tree"
* tag 'mtd/fixes-for-7.1-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux:
mtd: spinand: winbond: Fix ODTR write VCR on W35NxxJW
mtd: spinand: winbond: Set the packed page read flag to W35N02/04JW
mtd: spinand: Add support for packed read data ODTR commands
mtd: spi-nor: debugfs: fix out-of-bounds read in spi_nor_params_show()
- Fix removal code ordering in the ACPI TAD driver, refine timer value
computations and checks in its RTC class device interface, make it
use the __ATTRIBUTE_GROUPS() macro, and fix a comment in it (Rafael
Wysocki)
- Fix EINJV2 memory error injection in APEI (Tony Luck)
- Add missing notifier_block structure forward declaration to
acpi_bus.h (Bartosz Golaszewski)
- Fix related_cpus inconsistency during CPU hotplug in the ACPI CPPC
library (Jinjie Ruan)
- Add a quirk to force native backlight on HP OMEN 16 (8A44) in the
ACPI video bus driver (Shivam Kalra)
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Merge tag 'acpi-7.1-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI support fixes from Rafael Wysocki:
"These fix leftover issues in the ACPI Time and Alarm Device (TAD)
driver on top of the recently merged updates of it and address
assorted issues in the ACPI support code:
- Fix removal code ordering in the ACPI TAD driver, refine timer
value computations and checks in its RTC class device interface,
make it use the __ATTRIBUTE_GROUPS() macro, and fix a comment in it
(Rafael Wysocki)
- Fix EINJV2 memory error injection in APEI (Tony Luck)
- Add missing notifier_block structure forward declaration to
acpi_bus.h (Bartosz Golaszewski)
- Fix related_cpus inconsistency during CPU hotplug in the ACPI CPPC
library (Jinjie Ruan)
- Add a quirk to force native backlight on HP OMEN 16 (8A44) in the
ACPI video bus driver (Shivam Kalra)"
* tag 'acpi-7.1-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: bus: add missing forward declaration to acpi_bus.h
ACPI: video: force native backlight on HP OMEN 16 (8A44)
ACPI: TAD: Fix up a comment in acpi_tad_probe()
ACPI: TAD: RTC: Refine timer value computations and checks
ACPI: TAD: Use devres for all driver cleanup
ACPI: TAD: Use __ATTRIBUTE_GROUPS() macro
ACPI: CPPC: Fix related_cpus inconsistency during CPU hotplug
ACPI: APEI: EINJ: Fix EINJV2 memory error injection
ACPICA: Provide #defines for EINJV2 error types
