mirror of
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e8bf40d154
9860 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Linus Torvalds
|
104a813376 |
VDSO updates:
- Consolidate the VDSO datastore further and provide support for
mlock_all() and prefaulting.
- Provide 32-bit legacy time related functionality only if
CONFIG_COMPAT_32BIT_TIME is enabled. The config switch exists, but
architecture code still exposes the legacy functionality even disabled.
Clean this up by adding the missing guards and validating at build time
that the VDSO is legacy free if disabled.
- Consolidate the VDSO related config options in core and drivers, which
removes some non-sensical dependencies and quite an amount of #ifdeffery.
- Clean up the PAGE_SIZE definition maze
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Merge tag 'timers-vdso-2026-08-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull VDSO updates from Thomas Gleixner:
- Consolidate the VDSO datastore further and provide support for
mlock_all() and prefaulting.
- Provide 32-bit legacy time related functionality only if
CONFIG_COMPAT_32BIT_TIME is enabled. The config switch exists,
but architecture code still exposes the legacy functionality even
disabled.
Clean this up by adding the missing guards and validating at build
time that the VDSO is legacy free if disabled.
- Consolidate the VDSO related config options in core and drivers,
which removes some non-sensical dependencies and quite an amount of
#ifdeffery.
- Clean up the PAGE_SIZE definition maze
* tag 'timers-vdso-2026-08-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (30 commits)
random: vDSO: Drop custom PAGE_SIZE definitions
LoongArch: Remove CONFIG_GENERIC_GETTIMEOFDAY ifdeffery
clocksource/drivers/timer-riscv: Remove CONFIG_GENERIC_GETTIMEOFDAY ifdeffery
clocksource/drivers/arm_arch_timer: Remove CONFIG_GENERIC_GETTIMEOFDAY ifdeffery
clocksource/drivers/mips-gic-timer: Remove CONFIG_GENERIC_GETTIMEOFDAY ifdeffery
MIPS: csrc-r4k: Remove CONFIG_GENERIC_GETTIMEOFDAY ifdeffery
vDSO: Make clockmode constants available without CONFIG_GENERIC_GETTIMEOFDAY
kbuild: Support generated asm-headers in subdirectories
vdso: Rename HAVE_GENERIC_VDSO to VDSO_DATASTORE
vdso: Drop HAVE_GENERIC_VDSO from architecture kconfig files
vdso: Automatically select HAVE_GENERIC_VDSO if necessary
MIPS: vdso: Stop using CONFIG_HAVE_GENERIC_VDSO
vdso: Remove the dependency on HAVE_GENERIC_VDSO from ARCH_HAS_VDSO_ARCH_DATA
futex: Remove dependency on HAVE_GENERIC_VDSO from FUTEX_ROBUST_UNLOCK
vdso/gettimeofday: Verify COMPAT_32BIT_TIME interactions
sparc: vdso: Respect COMPAT_32BIT_TIME
MIPS: VDSO: Respect COMPAT_32BIT_TIME
powerpc/vdso: Respect COMPAT_32BIT_TIME
ARM: VDSO: Respect COMPAT_32BIT_TIME
arm64: vdso32: Respect COMPAT_32BIT_TIME
...
|
||
|
Linus Torvalds
|
a0acd94e38 |
Objtool updates for v7.3:
- Fix various klp-build bugs reported by Joe Lawrence
(Josh Poimboeuf, Joe Lawrence)
- Misc fixes and cleanups (Puranjay Mohan, Thomas Huth and Ingo Molnar).
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'objtool-core-2026-08-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull objtool updates from Ingo Molnar:
- Fix various klp-build bugs reported by Joe Lawrence (Josh Poimboeuf,
Joe Lawrence)
- Misc fixes and cleanups (Puranjay Mohan, Thomas Huth and Ingo Molnar)
* tag 'objtool-core-2026-08-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
objtool/klp: Fix vmlinux klp relocations for EXPORT_SYMBOL_FOR_MODULES()
objtool/klp: Fix .kcfi_traps special section extraction
objtool/klp: Fix vmlinux .klp.symid link error for .exitcall.exit symbols
objtool/klp: Fix line numbers in Module.symvers parse errors
objtool/klp: Fix relocations for EXPORT_SYMBOL_FOR_MODULES() symbols
objtool/klp: Allow new references to module exports
objtool/klp: Don't match local symbols against exports
objtool/klp: Fix cross-module klp relocation section naming
objtool/klp: Explicitly disallow patching or referencing init code/data
objtool/klp: Ignore replacement offset of empty x86 alternatives
objtool/klp: Fix size of empty special section entries
objtool/klp: Fix vmlinux .klp.symid link error for .no_trim_symbol symbols
objtool/headers: Sync tools/include/linux/objtool_types.h with include/linux/objtool_types.h
objtool: Replace __ASSEMBLY__ with __ASSEMBLER__ in header files
objtool/klp: Fix symbol resolution for duplicate data symbols
objtool/klp: Add .klp.symid for sympos disambiguation
objtool/klp: Skip hidden directories when finding objects
objtool/klp: Fix false module dependencies caused by dead relocs
objtool/klp: Normalize Module.symvers paths to module names
objtool/klp: Fix module name normalization for paths with dots
|
||
|
Linus Torvalds
|
1200d84f4c |
powerpc updates for 7.3
- powerpc: Enable Rust for ppc64le - ppc4xx gpio driver updates - Add power12 base enablement support - Validate arch_compat against host compatibility mode - Simplify bootx_scan_dt_build_struct() in powermac platform - powerpc: implement get_direction() in cpm2 - Use cpu_relax() in ps3_create_spu() - Add NULL guard for cause_ipi in smp_muxed_ipi_message_pass - fixes to handle pseries watchdogs in kdump path - powerpc/irq: Fix missing r2 clobber in PCREL inline assembly - ppc44x: Set GPIO chip parent - KVM: PPC: Introduce KVM_CAP_PPC_COMPAT_CAPS and wire up ioctl BY: Amit Machhiwal - KVM: powerpc: Use generic xfer to guest work function - Enable to run posix cpu timers in task context - misc fixes and cleanups Thanks to: Aditya Gupta, Alice Ryhl, Amit Machhiwal, Andrew Morton, Anushree Mathur, Athira Rajeev, Bartosz Golaszewski, Cédric Le Goater, Christian König, Christophe Leroy (CS GROUP), Gary Guo, Gaurav Batra, Gautam Menghani, Gou Hao, Hari Bathini, Harsh Prateek Bora, jiazhenyuan, Jinjie Ruan, Link Mauve, Linus Walleij, Mahesh Kumar G Mahesh Salgaonkar, Michael Walle, Michal Suchánek, Mukesh Kumar Chaurasiya (IBM), Nicholas Piggin, Nikhil Kumar Singh, Praveen K Pandey, Ritesh Harjani (IBM), Rosen Penev, Saket Kumar Bhaskar, Shrikanth Hegde, Sourabh Jain, Thorsten Blum, Vaibhav Jain, Venkat Rao Bagalkote, Vishal Chourasia, Wentao Guan, Yanfei Xu -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEqX2DNAOgU8sBX3pRpnEsdPSHZJQFAmqCj/4ACgkQpnEsdPSH ZJSKNg//VNpbzMKVPrdljgLn3P8/flWUUMvbjT0j2s5OExeFPjM9tvJQucMficJz eQWaEZbaczRPdtBDt96NXXDIoXGpfapS1Tj18OjVjCRtQdKV4DGfNdE5wC2tKwvA 1R6x5FT6pGxCRuNY9o3aAo/qcEJLCWCtOvrgdlT8C9ZV8Zh/GRl5TXBYqB4LFYAd WI1Jc4s97VFNtPSh7HtImd5n8T8vNWqQzi1rUAWTYQPduV8eHKFhnyu9vIh2ISv8 p6dZzE6mLrgn7zU8HW2z5nRyRZFRXtWt3i7/0IGSsJYtBoREsFw2d3LJfwMZXwdU hXNbw9OlwDmPUF8+qFIEVu3czfiFW1naNEXP00NJfM+67acXIpFEiJ/LvuLENzC4 gtX1VKUCQthWxJESnX1WrKnP7BAjUGe691CronRoYIJNctLnrCA7SOfJ2El4i40v v0+oz8KceGE3AU/1SpcKC8WlrHGb7qDBHS1HD8wpdcMsL1LTUWlghAptc/CrpRSb vDbiQAK7RHAEVSx6CsW1pVdFGOk5k7QQgeX6ptyK2aliQhuS4UA5b7zMmE+agPY4 Pro2bQLZYPfIW92OB1Zf+h69bUn4aVyp5ov1U1kTJuFHSEH+9+ZVemZg/f2fN8LV bwgErs0YPL/N5099qolj9mmNvn8RcVwub6nIGrVryGbBLprlV3o= =4Mg5 -----END PGP SIGNATURE----- Merge tag 'powerpc-7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux Pull powerpc updates from Madhavan Srinivasan: - Enable Rust for ppc64le - ppc4xx gpio driver updates - Add power12 base enablement support - Validate arch_compat against host compatibility mode - Simplify bootx_scan_dt_build_struct() in powermac platform - Implement get_direction() in cpm2 - Use cpu_relax() in ps3_create_spu() - Add NULL guard for cause_ipi in smp_muxed_ipi_message_pass - Fixes to handle pseries watchdogs in kdump path - Fix missing r2 clobber in PCREL inline assembly - Set GPIO chip parent on ppc44x - KVM: Introduce KVM_CAP_PPC_COMPAT_CAPS and wire up ioctl - KVM: Use generic xfer to guest work function - Enable to run posix cpu timers in task context - Misc fixes and cleanups Thanks to Aditya Gupta, Alice Ryhl, Amit Machhiwal, Andrew Morton, Anushree Mathur, Athira Rajeev, Bartosz Golaszewski, Cédric Le Goater, Christian König, Christophe Leroy (CS GROUP), Gary Guo, Gaurav Batra, Gautam Menghani, Gou Hao, Hari Bathini, Harsh Prateek Bora, jiazhenyuan, Jinjie Ruan, Link Mauve, Linus Walleij, Mahesh Kumar G Mahesh Salgaonkar, Michael Walle, Michal Suchánek, Mukesh Kumar Chaurasiya (IBM), Nicholas Piggin, Nikhil Kumar Singh, Praveen K Pandey, Ritesh Harjani (IBM), Rosen Penev, Saket Kumar Bhaskar, Shrikanth Hegde, Sourabh Jain, Thorsten Blum, Vaibhav Jain, Venkat Rao Bagalkote, Vishal Chourasia, Wentao Guan, and Yanfei Xu. * tag 'powerpc-7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (62 commits) powerpc/pseries/iommu: switch to Default DMA window during kdump powerpc/configs: enable CONFIG_RAS to fix EDAC support KVM: PPC: Document KVM_PPC_GET_COMPAT_CAPS ioctl KVM: PPC: Book3S HV: Add support for compat CPU capabilities for KVM on PowerNV KVM: PPC: Book3S HV: Implement compat CPU capability retrieval for KVM on PowerVM KVM: PPC: Introduce KVM_CAP_PPC_COMPAT_CAPS and wire up ioctl gpio: ppc44x: use dev_name() for chip label gpio: ppc44x: fix undefined behavior in GPIO_MASK2 macro gpio: ppc44x: drop PPC-specific IO helpers gpio: ppc44x: Convert GPIO to generic MMIO gpio: ppc44x: Use platform resource helper for GPIO MMIO gpio: ppc44x: Use module platform driver helper for GPIO gpio: ppc44x: update all 4xx to 44x gpio: move ppc4xx gpio driver from arch/powerpc to drivers/gpio KVM: PPC: Use min() in kvm_vm_ioctl_check_extension() KVM: PPC: booke: Use min() in watchdog_next_timeout() powerpc/perf: Add power12 Base Performance Monitoring support powerpc: Add Power12 architected mode powerpc: Add Power12 raw mode powerpc/pseries: Limit PVR list to 16 entries for CAS negotiation ... |
||
|
Linus Torvalds
|
d24f5cdbef |
Rust changes for v7.3
Toolchain and infrastructure:
- Warn when using 'bindgen' < 0.72.1 with 'libclang' >= 22, since that
combination may fail to build. It includes a probe for the bug in
case 'bindgen' happens to be patched, and tests.
In parallel, Nathan updated the instructions for the kernel.org
LLVM+Rust toolchains so that the latest version of 'bindgen' is
installed, which should avoid some of these situations.
- Support testing 'rust_is_available.sh' with 'bash' as '/bin/sh'.
- Fix an objtool warning by adding one more 'noreturn' function for
Rust 1.99.0 (expected 2026-10-01).
- Fix build error in the 'rusttest' target due to ambiguity when the
'rustc-dev' component is installed, which was uncovered by the work
to support Rust's GCC backend ('rustc_codegen_gcc').
- Fix future Clang warnings in the upcoming powerpc support due to
macro redefinitions in the UAPI helper header by including the
arch-aware 'ioctl.h' header.
'kernel' crate:
- Rework module ownership support:
- Move the module-related types into a new 'module' module and make
the 'THIS_MODULE' pointer a constant of 'ModuleMetadata' so that
modules can provide the pointer in const contexts, and add a
'this_module' 'const fn' to retrieve it.
This was enabled by upstream Rust's work on the 'const_mut_refs'
and 'const_refs_to_static' features which were stabilized back
in Rust 1.83.0.
- Teach '#[vtable]' to associate implementations with their owning
module, defaulting to the local one, including fallbacks for
doctests, uses within the 'kernel' crate (like upcoming KUnit
'#[test]'s for DRM) and 'rusttest'.
- Set 'fops.owner' from the module pointer for DRM and miscdevice.
- Migrate Rust Binder and configfs away from the old 'THIS_MODULE'
'static' and finally remove it from the 'module!' macro.
- 'num' module:
- Add the new 'casts' module for lossless integer conversions.
Rust's 'core' library's 'From' implementations do not cover
conversions that are not portable or future-proof. However, the
kernel supports a narrower set of architectures, which makes it
helpful to provide more infallible conversions, instead of having
developers use 'as' casts, which carry the risk of silently
losing data.
This goes along with previous work we did to avoid casts in Rust
kernel code since they are more powerful than needed.
Thus, provide safe 'const' conversion functions (e.g.
'usize_as_u64' and 'u64_into_u8'), as well as the 'FromSafeCast'
and 'IntoSafeCast' extension traits that provide conversions that
are known to be lossless in the kernel, and an 'arch' submodule
defining conversions that are known to be lossless on particular
architectures (e.g. 64-bit platforms). For instance:
// Conversion in const context.
const USIZED_CONST: usize = u8_as_usize(255u8);
// Non-const conversions.
let a = u64::from_safe_cast(4096usize);
let b: u64 = 4096usize.into_safe_cast();
- Add 'Bounded::shr_exact' method in the vein of 'try_shrink' which
shifts a bounded right only if it loses no set bits.
- Fix unsoundness issue in the 'Bounded::shr' method by rejecting,
at compile-time, shifts of at least the type's bit width.
- 'fmt' module:
- Route '{:p}' raw pointer formatting through the kernel's hashed
'%p' format to prevent address leaks, including support for width
and padding. Include tests for both 'no_hash_pointers' case and
the default (hashed) one.
- Fix the '{:p}' forwarding implementation, which could print the
address of a temporary stack variable.
- 'time' module:
- Make 'Delta' generic over its time unit, with a default unit of
nanoseconds ('Nsec'), preserving the existing behavior. Then, add
a 'Jiffy' time unit.
- Add the 'Delta::as_millis_ceil()' method.
- Fix 'as_micros_ceil()' rounding near 'i64::MAX', which could
yield a result one microsecond too small.
- 'sync' module:
- Implement 'ForeignOwnable' for 'ARef<T>', allowing C code to own
an 'ARef<T>'.
- Add a safe abstraction for 'rcu_barrier()'.
- 'error' module: add all of the remaining error codes, except the
deprecated compatibility aliases.
- 'bug' module:
- Fix build error on UML in 'warn_on!' for callers from within
the 'kernel' crate.
- Fix future 'dead_code' warning on arm and loongarch64 and under
'CONFIG_BUG=n' in 'warn_on!', which would trigger with the
upcoming SRCU abstractions.
- Fix future build error in 'rusttest' on cross-compilation cases,
which would trigger when 'warn_on!' has callers inside the
'kernel' crate.
- 'bitfield' module: fix build error for the upcoming support for
Rust's GCC backend ('rustc_codegen_gcc') by always inlining a couple
conversions used in tests.
'pin-init' crate:
- User-visible changes:
- Merge the '__pinned_init' and '__init' methods and make 'Init'
a marker trait.
- Introduce public APIs 'raw_init' and 'raw_try_init' to prevent
users from needing to invoke the internal
'__pinned_init'/'__init' methods.
- Emit errors for duplicate '#[pin]' attributes.
- Link 'Zeroable::zeroed' and 'pin_init::zeroed' in documentation.
- Other changes:
- Fix unwind safety issues.
- Clean up lint 'allow' and 'expect's.
- Overhaul '#[cfg]' handling to pave the way for tuple structs and
self-referential structs.
- Mark many functions as '#[inline]' for better codegen with '-C
opt-level=s' ('CC_OPTIMIZE_FOR_SIZE').
'MAINTAINERS':
- Update 'MODULE SUPPORT' to cover the new 'module' module.
And some other fixes, cleanups and improvements.
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Merge tag 'rust-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/ojeda/linux
Pull Rust updates from Miguel Ojeda:
"Toolchain and infrastructure:
- Warn when using 'bindgen' < 0.72.1 with 'libclang' >= 22, since
that combination may fail to build. It includes a probe for the bug
in case 'bindgen' happens to be patched, and tests
In parallel, Nathan updated the instructions for the kernel.org
LLVM+Rust toolchains so that the latest version of 'bindgen' is
installed, which should avoid some of these situations
- Support testing 'rust_is_available.sh' with 'bash' as '/bin/sh'
- Fix an objtool warning by adding one more 'noreturn' function for
Rust 1.99.0 (expected 2026-10-01)
- Fix build error in the 'rusttest' target due to ambiguity when the
'rustc-dev' component is installed, which was uncovered by the work
to support Rust's GCC backend ('rustc_codegen_gcc')
- Fix future Clang warnings in the upcoming powerpc support due to
macro redefinitions in the UAPI helper header by including the
arch-aware 'ioctl.h' header
'kernel' crate:
- Rework module ownership support:
- Move the module-related types into a new 'module' module and
make the 'THIS_MODULE' pointer a constant of 'ModuleMetadata'
so that modules can provide the pointer in const contexts, and
add a 'this_module' 'const fn' to retrieve it
This was enabled by upstream Rust's work on the 'const_mut_refs'
and 'const_refs_to_static' features which were stabilized back
in Rust 1.83.0
- Teach '#[vtable]' to associate implementations with their
owning module, defaulting to the local one, including fallbacks
for doctests, uses within the 'kernel' crate (like upcoming
KUnit '#[test]'s for DRM) and 'rusttest'
- Set 'fops.owner' from the module pointer for DRM and
miscdevice
- Migrate Rust Binder and configfs away from the old
'THIS_MODULE' 'static' and finally remove it from the 'module!'
macro
- 'num' module:
- Add the new 'casts' module for lossless integer conversions
Rust's 'core' library's 'From' implementations do not cover
conversions that are not portable or future-proof. However, the
kernel supports a narrower set of architectures, which makes it
helpful to provide more infallible conversions, instead of
having developers use 'as' casts, which carry the risk of
silently losing data
This goes along with previous work we did to avoid casts in
Rust kernel code since they are more powerful than needed
Thus, provide safe 'const' conversion functions (e.g.
'usize_as_u64' and 'u64_into_u8'), as well as the
'FromSafeCast' and 'IntoSafeCast' extension traits that provide
conversions that are known to be lossless in the kernel, and an
'arch' submodule defining conversions that are known to be
lossless on particular architectures (e.g. 64-bit platforms).
For instance:
// Conversion in const context.
const USIZED_CONST: usize = u8_as_usize(255u8);
// Non-const conversions.
let a = u64::from_safe_cast(4096usize);
let b: u64 = 4096usize.into_safe_cast();
- Add 'Bounded::shr_exact' method in the vein of 'try_shrink'
which shifts a bounded right only if it loses no set bits
- Fix unsoundness issue in the 'Bounded::shr' method by
rejecting, at compile-time, shifts of at least the type's bit
width
- 'fmt' module:
- Route '{:p}' raw pointer formatting through the kernel's hashed
'%p' format to prevent address leaks, including support for
width and padding. Include tests for both 'no_hash_pointers'
case and the default (hashed) one
- Fix the '{:p}' forwarding implementation, which could print the
address of a temporary stack variable
- 'time' module:
- Make 'Delta' generic over its time unit, with a default unit of
nanoseconds ('Nsec'), preserving the existing behavior. Then,
add a 'Jiffy' time unit
- Add the 'Delta::as_millis_ceil()' method
- Fix 'as_micros_ceil()' rounding near 'i64::MAX', which could
yield a result one microsecond too small
- 'sync' module:
- Implement 'ForeignOwnable' for 'ARef<T>', allowing C code to
own an 'ARef<T>'
- Add a safe abstraction for 'rcu_barrier()'
- 'error' module: add all of the remaining error codes, except the
deprecated compatibility aliases
- 'bug' module:
- Fix build error on UML in 'warn_on!' for callers from within
the 'kernel' crate
- Fix future 'dead_code' warning on arm and loongarch64 and under
'CONFIG_BUG=n' in 'warn_on!', which would trigger with the
upcoming SRCU abstractions
- Fix future build error in 'rusttest' on cross-compilation
cases, which would trigger when 'warn_on!' has callers inside
the 'kernel' crate
- 'bitfield' module: fix build error for the upcoming support for
Rust's GCC backend ('rustc_codegen_gcc') by always inlining a
couple conversions used in tests
'pin-init' crate:
- User-visible changes:
- Merge the '__pinned_init' and '__init' methods and make 'Init'
a marker trait
- Introduce public APIs 'raw_init' and 'raw_try_init' to prevent
users from needing to invoke the internal '__pinned_init' and
'__init' methods
- Emit errors for duplicate '#[pin]' attributes
- Link 'Zeroable::zeroed' and 'pin_init::zeroed' in documentation
- Other changes:
- Fix unwind safety issues
- Clean up lint 'allow' and 'expect's
- Overhaul '#[cfg]' handling to pave the way for tuple structs
and self-referential structs
- Mark many functions as '#[inline]' for better codegen with '-C
opt-level=s' ('CC_OPTIMIZE_FOR_SIZE')
'MAINTAINERS':
- Update 'MODULE SUPPORT' to cover the new 'module' module
And some other fixes, cleanups and improvements"
* tag 'rust-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/ojeda/linux: (54 commits)
rust: add functions and traits for lossless integer conversions
rust: kernel: add `LocalModule` fallback for `#[vtable]` `impl`s
rust: fmt: route {:p} through HashedPtr to prevent address leaks
rust: fmt: fix {:p} printing stack addresses
rust: module: update MAINTAINERS to cover module.rs
rust: macros: remove `THIS_MODULE` static from `module!`
rust_binder: use `LocalModule` for `THIS_MODULE`
rust: configfs: use `LocalModule` for `THIS_MODULE`
rust: miscdevice: set fops.owner from driver module pointer
rust: drm: set fops.owner from driver module pointer
rust: macros: auto-insert OwnerModule in #[vtable]
rust: doctest: add LocalModule fallback for #[vtable] ThisModule
rust: module: add `THIS_MODULE` const to `ModuleMetadata` trait
rust: module: move module types into `module.rs`
rust: num: add Bounded::shr_exact
rust: num: reject Bounded::shr overshifts at build time
rust: num: use const_assert! in Bounded
rust: uapi: replace direct asm-generic/ioctl.h include with linux/ioctl.h
rust: time: add Delta::as_millis_ceil()
rust: time: add jiffies time unit for Delta
...
|
||
|
Linus Torvalds
|
3abe3d0223 |
Kbuild/Kconfig updates for 7.3
Kbuild updates
==============
* Use --force-group-allocation when linking modules
Have the linker resolve the COMDAT groups and place their members as
regular sections instead of possibly leaving multiple copies in the
resulting modules and unnecessary group metadata.
* UAPI header files: Canonicalize __ASSEMBLER__ / __ASSEMBLY__ mixed
use to __ASSEMBLER__
There is an ongoing effort to change __ASSEMBLY__ to __ASSEMBLER__
treewide. For consistency, UAPI headers are normalised to use
__ASSEMBLER__ only. Normalisation is done in two subsequent patches
to simplify a revert in the unexpected case of a regression report.
* link-vmlinux.sh: Improve detection of third pass requirement
* modpost: Canonicalize format of warnings and errors
* Minor changes:
- Remove srctree path from CHECK output
- Set the initial value of subdir-rustflags-y
- Remove broken and unused modules.builtin(.modinfo) targets from
the top-level Makefile
- Add symbol size for kallsyms symbols that can change size
- modpost: Prevent leak when early return no suffix .o in
read_symbols()
- scripts/config: Update usage of POSIX sed
- 'make tags': Add support for rust source files and prevent binary
files from being analysed
- Several spelling mistakes and rephrasing
Kconfig updates
===============
* Add Julian Braha as Kconfig reviewer
* Fix submenu rendering of negative dependencies
* Minor changes:
- merge_config.sh: Keep temp file in the output dir
- Abort rather than loop for ever on EOF
Cc: André Draszik <andre.draszik@linaro.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Ben Dooks <ben.dooks@codethink.co.uk>
Cc: Bhaskar Chowdhury <unixbhaskar@gmail.com>
Cc: Breno Leitao <leitao@debian.org>
Cc: Elsie Heck <its@elc.moe>
Cc: Gustavo Luiz Duarte <gustavold@gmail.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Julian Braha <julianbraha@gmail.com>
Cc: Maciej W. Rozycki <macro@orcam.me.uk>
Cc: Martin Weiss <Martin.weiss2410@gmail.com>
Cc: Miguel Ojeda <ojeda@kernel.org>
Cc: Nathan Chancellor <nathan@kernel.org>
Cc: Nick Huang <sef1548@gmail.com>
Cc: Nicolas Schier <n.schier@fritz.com>
Cc: Nicolas Schier <nsc@kernel.org>
Cc: Peter Collingbourne <pcc@google.com>
Cc: Petr Pavlu <petr.pavlu@suse.com>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Robertus Diawan Chris <robertusdchris@gmail.com>
Cc: Rong Zhang <i@rong.moe>
Cc: Sergei Litvin <litvindev@gmail.com>
Cc: Simon Glass <sjg@chromium.org>
Cc: Thomas Huth <thuth@redhat.com>
Cc: Xi Ruoyao <xry111@xry111.site>
Cc: Yuntao Wang <yuntao.wang@linux.dev>
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Merge tag 'kbuild-7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kbuild/linux
Pull Kbuild/Kconfig updates from Nicolas Schier:
"Kbuild updates:
- Use --force-group-allocation when linking modules
Have the linker resolve the COMDAT groups and place their members
as regular sections instead of possibly leaving multiple copies in
the resulting modules and unnecessary group metadata.
- UAPI header files: Canonicalize __ASSEMBLER__ / __ASSEMBLY__ mixed
use to __ASSEMBLER__
There is an ongoing effort to change __ASSEMBLY__ to __ASSEMBLER__
treewide. For consistency, UAPI headers are normalised to use
__ASSEMBLER__ only. Normalisation is done in two subsequent patches
to simplify a revert in the unexpected case of a regression report.
- link-vmlinux.sh: Improve detection of third pass requirement
- modpost: Canonicalize format of warnings and errors
- Minor changes:
- Remove srctree path from CHECK output
- Set the initial value of subdir-rustflags-y
- Remove broken and unused modules.builtin(.modinfo) targets from
the top-level Makefile
- Add symbol size for kallsyms symbols that can change size
- modpost: Prevent leak when early return no suffix .o in
read_symbols()
- scripts/config: Update usage of POSIX sed
- 'make tags': Add support for rust source files and prevent
binary files from being analysed
- Several spelling mistakes and rephrasing
Kconfig updates:
- Add Julian Braha as Kconfig reviewer
- Fix submenu rendering of negative dependencies
- Minor changes:
- merge_config.sh: Keep temp file in the output dir
- Abort rather than loop for ever on EOF"
* tag 'kbuild-7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kbuild/linux: (23 commits)
modpost: use mod_warn() and mod_error(), clean up logging
modpost: add module as parameter to modpost_log()
kconfig: fix submenu rendering of negative dependencies
kbuild: link-vmlinux.sh: improve detection of third pass requirement
kallsyms: add symbol size for kallsyms symbols that can change size
kbuild: fix modules.builtin(.modinfo) targets in the top-level Makefile
kbuild: set the initial value of subdir-rustflags-y
scripts/config: Use in-place editing (-i) in sed portably
scripts/config: Use POSIX standard ERE (-E) in sed
modpost: prevent leak when early return no suffix .o in read_symbols()
usr: Correct a spelling by changing a letter
fixdep: make gendered language gender-neutral
kconfig: fix minor typos in comments
scripts: fix spelling mistakes
kconfig: abort rather than loop for ever on EOF
scripts/tags.sh: Add support for rust source files
scripts/tags.sh: Prevent binary files appearing in cscope.files
MAINTAINERS: add Julian Braha as Kconfig reviewer
scripts: headers_install.sh: Normalize __ASSEMBLY__ to __ASSEMBLER__
scripts: headers_install.sh: Normalize __ASSEMBLER__ to __ASSEMBLY__
...
|
||
|
Linus Torvalds
|
fc8c78bce3 |
Crypto library tests for 7.3
- Add comprehensive KUnit test suites for the new AES-GCM and AES-CCM library APIs. - Add FIPS self-tests for all the AES encryption modes. This is needed for parity with the traditional crypto API. - Fix a couple more issues in the IRQ test helper. -----BEGIN PGP SIGNATURE----- iIoEABYIADIWIQSacvsUNc7UX4ntmEPzXCl4vpKOKwUCaoEsfhQcZWJpZ2dlcnNA a2VybmVsLm9yZwAKCRDzXCl4vpKOK9LWAQD9ELPYkGqv76fC5x5/Tcm9amo3ZDEX ymx+Q15jmZkgKAD/TWpZJ2eQ9BELHY21VBHwRP8O+agWQUUwxFayZpHE6gw= =ez1k -----END PGP SIGNATURE----- Merge tag 'libcrypto-tests-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux Pull crypto library test updates from Eric Biggers: - Add comprehensive KUnit test suites for the new AES-GCM and AES-CCM library APIs - Add FIPS self-tests for all the AES encryption modes. This is needed for parity with the traditional crypto API - Fix a couple more issues in the IRQ test helper * tag 'libcrypto-tests-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux: lib/crypto: aes-cmac: Use __cleanup() instead of memzero_explicit() kunit: irq: Unregister on-stack timer and work from debugobjects kunit: irq: Continue increasing hrtimer interval for longer lib/crypto: tests: Add KUnit test suite for AES-GCM lib/crypto: tests: Add KUnit test suite for AES-CCM lib/crypto: tests: Add aead-test-template.h lib/crypto: tests: Use per-test-case buffers in hash tests lib/crypto: tests: Create test-utils.h lib/crypto: aes: Add FIPS self-tests for GCM and CCM lib/crypto: aes: Add FIPS self-tests for unauthenticated modes lib/crypto: fips: Split fips.h into fips-aes.h and fips-sha.h |
||
|
Linus Torvalds
|
cd051cfe1e |
vfs-7.3-rc1.failfs
Please consider pulling these changes from the signed vfs-7.3-rc1.failfs tag. Thanks! Christian -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQRAhzRXHqcMeLMyaSiRxhvAZXjcogUCan7RJAAKCRCRxhvAZXjc ouz+AQCXKHb1Ay9ra1RG+dGu8mCpVZLebMt/+VO0/beMCqiqWAD8ChgvsFqObmr5 8vLKOnzsSMeglRYGPL81h3xnaILRIQk= =0qwg -----END PGP SIGNATURE----- Merge tag 'vfs-7.3-rc1.failfs' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs Pull failfs filesystem from Christian Brauner: "Add failfs and expose a FD_FAILFS_ROOT sentinel. This allows userspace to shed their filesystem state completely. A process with its root or working directory in failfs must anchor every path lookup at an explicit file descriptor. Absolute paths, absolute symlinks and AT_FDCWD-relative lookups simply fail. Failfs is the counterpart to nullfs. nullfs says adds a permanently empty, immutable directory whose lookups fail with ENOENT but which can be opened, read, stat'd and mounted upon. Failfs on the other hand fails every operation. The root cannot be opened at all. A single instance is mounted during early boot via kern_mount(), which makes it logically distinct from every mount namespace. This is accompanied by a new fchroot() system call which makes chrooting via a file descriptor a first class concept. It's possible to chroot into failfs as an unprivileged user provided the task has no new privileges set" * tag 'vfs-7.3-rc1.failfs' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs: Documentation: add failfs documentation selftests/filesystems: add failfs selftests arch: hookup fchroot() system call fs: support FD_FAILFS_ROOT in fchroot() fs: add fchroot() fs: support FD_FAILFS_ROOT in fchdir() fs: add failfs |
||
|
Jani Nikula
|
d900723d78
|
modpost: use mod_warn() and mod_error(), clean up logging
Convert all module name logging to use the mod_warn() and mod_error() helpers, and pass the module to modpost_log() where used directly, to always have the module name prefixed in the log message, with .ko suffix for modules. Pass struct module *mod around in a few places instead of just mod->name. Further unify the logging while at it. Use single quotes instead of double quotes for symbols, sections, and namespaces. Explicitly state it's a "symbol" when referencing symbols. Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: https://patch.msgid.link/17ed1bce5d54fb32533ba83bc83c429cb71adcb0.1786120005.git.jani.nikula@intel.com Reviewed-by: Nicolas Schier <nsc@kernel.org> Reviewed-by: Nathan Chancellor <nathan@kernel.org> Signed-off-by: Nicolas Schier <nsc@kernel.org> |
||
|
Jani Nikula
|
a765d3c6cd
|
modpost: add module as parameter to modpost_log()
modpost has a lot of error logging with module name, but the module name is logged in a plethora of ways. Add struct module * parameter to modpost_log(), and wrappers mod_warn() and mod_error(), to allow logging with a unified module name, if provided. If the module is provided, the messages will be of the format: (ERROR|WARNING): modpost: (modname.ko|vmlinux): message Actual conversion is done separately. Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: https://patch.msgid.link/f27bd8810f0ef12fb86068f0190e4e0afa81e0fa.1786120005.git.jani.nikula@intel.com Reviewed-by: Nathan Chancellor <nathan@kernel.org> Reviewed-by: Nicolas Schier <nsc@kernel.org> Signed-off-by: Nicolas Schier <nsc@kernel.org> |
||
|
Julian Braha
|
35e4b60792 |
kconfig: fix submenu rendering of negative dependencies
The Kconfig frontend should render options that depend on a previous option in the submenu of that previous option. But currently, this breaks for negative dependencies. For example, option FOO may be rendered in the submenu of option BAR, despite FOO actually depending on !BAR. Let's fix this ironic rendering by modifying Kconfig to explicitly check negative dependencies. I've only tested locally on x86, but as far as I can tell, this only changes how 2 options are rendered in the menu: 1. NTFS3_FS, no longer in the NTFS_FS submenu, and 2. MTD_BLOCK_RO, no longer in the MTD_BLOCK submenu. Tested-by: Nathan Chancellor <nathan@kernel.org> Reported-by: Xi Ruoyao <xry111@xry111.site> Closes: https://lore.kernel.org/all/cbe95c15d2760f6fce8eaf207c969ce8fd3703aa.camel@xry111.site/ Assisted-by: Claude:claude-4.8-opus Signed-off-by: Julian Braha <julianbraha@gmail.com> Link: https://patch.msgid.link/20260801145238.2140291-1-julianbraha@gmail.com Reviewed-by: Nicolas Schier <nsc@kernel.org> Tested-by: Nicolas Schier <nsc@kernel.org> Signed-off-by: Nicolas Schier <nsc@kernel.org> |
||
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Alvin Sun
|
7d3e99e933 |
rust: macros: auto-insert OwnerModule in #[vtable]
Auto-add `type OwnerModule: ::kernel::ModuleMetadata;` as a required associated type on the trait side if not already defined, and auto-insert `type OwnerModule = crate::LocalModule;` on the impl side if not explicitly provided, eliminating the need to manually declare and implement `OwnerModule` in every vtable trait and impl. Assisted-by: opencode:glm-5.2 Reviewed-by: Andreas Hindborg <a.hindborg@kernel.org> Suggested-by: Gary Guo <gary@garyguo.net> Link: https://lore.kernel.org/all/DIMMWHUOLPSH.13JFRHDKDQJGO@garyguo.net Reviewed-by: Gary Guo <gary@garyguo.net> Acked-by: Danilo Krummrich <dakr@kernel.org> Reviewed-by: Alice Ryhl <aliceryhl@google.com> Signed-off-by: Alvin Sun <alvin.sun@linux.dev> Link: https://patch.msgid.link/20260811-fix-fops-owner-v10-4-7e71776f9dbe@linux.dev [ Fixed `rusttest` by adding a dummy `LocalModule`. Removed interim `#[allow(dead_code)]`. - Miguel ] Signed-off-by: Miguel Ojeda <ojeda@kernel.org> |
||
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Alvin Sun
|
98f256e272 |
rust: doctest: add LocalModule fallback for #[vtable] ThisModule
Add a `LocalModule` struct with a null-pointer `ModuleMetadata` impl in the doctest harness, so that `crate::LocalModule` (auto-inserted by `#[vtable]`) resolves correctly when there is no `module!` macro. Assisted-by: opencode:glm-5.2 Reviewed-by: Andreas Hindborg <a.hindborg@kernel.org> Reviewed-by: Gary Guo <gary@garyguo.net> Acked-by: Danilo Krummrich <dakr@kernel.org> Reviewed-by: Alice Ryhl <aliceryhl@google.com> Signed-off-by: Alvin Sun <alvin.sun@linux.dev> Link: https://patch.msgid.link/20260811-fix-fops-owner-v10-3-7e71776f9dbe@linux.dev [ Fixed `clippy::undocumented_unsafe_blocks` lint by wrapping with a block. Added interim `#[allow(dead_code)]`. - Miguel ] Signed-off-by: Miguel Ojeda <ojeda@kernel.org> |
||
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Alvin Sun
|
409d09194c |
rust: doctest: use vertical import style
Convert `use` imports to vertical layout for better readability and maintainability. Signed-off-by: Alvin Sun <alvin.sun@linux.dev> Acked-by: David Gow <david@davidgow.net> Link: https://patch.msgid.link/20260521-miscdev-use-format-v3-7-56240ca70d0c@linux.dev Signed-off-by: Miguel Ojeda <ojeda@kernel.org> |
||
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Eric Biggers
|
b09bd2d92e |
lib/crypto: tests: Add KUnit test suite for AES-GCM
Add a KUnit test suite for the AES-GCM library API. It consists of: - All the shared test cases from aead-test-template.h. These include extensive consistency tests, a "Monte-Carlo test", and a benchmark. - Tests against hardcoded AES-GCM test vectors from external sources. Reviewed-by: Ard Biesheuvel <ardb@kernel.org> Link: https://patch.msgid.link/20260802233005.161467-6-ebiggers@kernel.org Signed-off-by: Eric Biggers <ebiggers@kernel.org> |
||
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Eric Biggers
|
2aeef50eca |
lib/crypto: tests: Add KUnit test suite for AES-CCM
Add a KUnit test suite for the AES-CCM library API. It consists of: - All the shared test cases from aead-test-template.h. These include extensive consistency tests, a "Monte-Carlo test", and a benchmark. - Tests against hardcoded AES-CCM test vectors from external sources. - Tests for CCM-specific message length validation. To generate the expected aes_ccm_monte_carlo_checksum[] value, add a script gen-aead-testvecs.py which computes it using python-cryptography. Reviewed-by: Ard Biesheuvel <ardb@kernel.org> Link: https://patch.msgid.link/20260802233005.161467-5-ebiggers@kernel.org Signed-off-by: Eric Biggers <ebiggers@kernel.org> |
||
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Eric Biggers
|
fbdb43c000 |
lib/crypto: aes: Add FIPS self-tests for GCM and CCM
Upcoming changes will wire up architecture-optimized implementations of GCM and CCM. FIPS labs can consider such designs to meet the threshold for separate self-tests to be needed. Therefore, add FIPS self-tests for encryption and decryption in these modes. Reviewed-by: Ard Biesheuvel <ardb@kernel.org> Link: https://patch.msgid.link/20260802222408.91757-4-ebiggers@kernel.org Signed-off-by: Eric Biggers <ebiggers@kernel.org> |
||
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Eric Biggers
|
e967fa98f7 |
lib/crypto: aes: Add FIPS self-tests for unauthenticated modes
Upcoming changes will wire up architecture-optimized implementations of ECB, CBC, CBC-CTS, CTR, and XTS. FIPS labs can consider such designs to meet the threshold for separate self-tests to be needed. The inverse direction of the block cipher also needs to be exercised, which the existing CMAC self-test doesn't do. Therefore, add FIPS self-tests for encryption and decryption in these modes as well as the "bare" AES. Reviewed-by: Ard Biesheuvel <ardb@kernel.org> Link: https://patch.msgid.link/20260802222408.91757-3-ebiggers@kernel.org Signed-off-by: Eric Biggers <ebiggers@kernel.org> |
||
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Eric Biggers
|
60e9a0f5be |
lib/crypto: fips: Split fips.h into fips-aes.h and fips-sha.h
In preparation for adding FIPS self-tests for AES encryption modes, split fips.h into separate files for the AES and SHA test vectors. They are still generated by the same script, but this keeps things a bit more organized. Reviewed-by: Ard Biesheuvel <ardb@kernel.org> Link: https://patch.msgid.link/20260802222408.91757-2-ebiggers@kernel.org Signed-off-by: Eric Biggers <ebiggers@kernel.org> |
||
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Thomas Weißschuh
|
2d69b891e6 |
kbuild: Support generated asm-headers in subdirectories
Extend the asm-header stub generation to also handle subdirectories. An upcoming vdso/ header refactoring requires this. Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de> Signed-off-by: Thomas Gleixner <tglx@kernel.org> Reviewed-by: Nicolas Schier <nsc@kernel.org> Link: https://patch.msgid.link/20260724-vdso-arch-clockmodes-v4-1-ddbe447be860@linutronix.de |
||
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André Draszik
|
14b8b4bf2d
|
kbuild: link-vmlinux.sh: improve detection of third pass requirement
It can happen that symbol sizes within .tmp_vmlinux1.kallsyms.o and
.tmp_vmlinux2.kallsyms.o differ, without affecting file size on disk
because of section alignment and/or padding emitted by the assembler.
link-vmlinux.sh doesn't detect this case currently and keeps using
.tmp_vmlinux2.kallsyms.o to link the final vmlinux. Due to the
different symbol sizes, other symbols are shifted within the final
image compared to .tmp_vmlinux2, and the final comparison of System.map
against "${kallsyms_sysmap}" fails with the message:
Inconsistent kallsyms data
Try "make KALLSYMS_EXTRA_PASS=1" as a workaround
This can happen in particular if the linker emits additional symbols
that might have different names between our (re-)linking steps, e.g.
because those names depend on the virtual address of the symbol. Linker
stubs for ARM errata work-arounds are one such case.
These changed symbol names can cause the output of the token
compression of kallsyms.c to change due to the changed symbol substring
count, which in turn can change the size of the kallsyms_names symbol
itself, causing the potential shift of subsequent symbol addresses in
.tmp_vmlinux2.kallsyms.o and therefore the final image.
Update link-vmlinux.sh to not rely on file size of
.tmp_vmlinux?.kallsyms.o alone but to also consider symbol offsets
within to resolve this, and do a third pass if required.
Signed-off-by: André Draszik <andre.draszik@linaro.org>
Tested-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Nicolas Schier <nsc@kernel.org>
Signed-off-by: Nicolas Schier <nsc@kernel.org>
|
||
|
André Draszik
|
d6bf11a7e8
|
kallsyms: add symbol size for kallsyms symbols that can change size
Add symbol size for kallsyms symbols that can change size so that sizes can be determined easily without having to manually calculate them when inspecting the object files (.tmp_vmlinux?.kallsyms.o or .tmp_vmlinux?). Without, the assembler records the symbol size as 0. This is primarily useful as a debugging aid in case of linker errors as part of link-vmlinux.sh, and because symbol size doesn't have to align with the offset to the next symbol due to padding/alignment. Signed-off-by: André Draszik <andre.draszik@linaro.org> Tested-by: Nathan Chancellor <nathan@kernel.org> Reviewed-by: Nicolas Schier <nsc@kernel.org> Signed-off-by: Nicolas Schier <nsc@kernel.org> |
||
|
Yuntao Wang
|
f78f3c4c2b
|
kbuild: set the initial value of subdir-rustflags-y
Initialize subdir-rustflags-y to an empty value to prevent it from being inadvertently affected by an environment variable of the same name. Signed-off-by: Yuntao Wang <yuntao.wang@linux.dev> Link: https://patch.msgid.link/20260718040146.294700-1-yuntao.wang@linux.dev Signed-off-by: Nicolas Schier <nsc@kernel.org> |
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|
Rong Zhang
|
a75c339a69
|
scripts/config: Use in-place editing (-i) in sed portably
The use of in-place editing was removed by commit
|
||
|
Rong Zhang
|
dc4ab230d6
|
scripts/config: Use POSIX standard ERE (-E) in sed
The use of Extended Regular Expressions was removed by commit
|
||
|
Robertus Diawan Chris
|
9a5b76027e
|
modpost: prevent leak when early return no suffix .o in read_symbols()
The allocation for elf info symsearch and hdr from parse_elf() haven't
been released when return because of modname didn't have suffix ".o".
And it seems like the suffix ".o" check did not depends on parse_elf()
to succeed first. So, move the suffix ".o" check before checking
parse_elf() result to prevent resource leak when the modname didn't have
suffix ".o" and return early.
This is reported by Coverity Scan as "Resource leak".
Fixes:
|
||
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Elsie Heck
|
325ac6f500
|
fixdep: make gendered language gender-neutral
Fix awkward phrasing and change instances of gendered language to gender-neutral in code comments to improve consistency and clarity. Signed-off-by: Elsie Heck <its@elc.moe> Link: https://patch.msgid.link/20260717195939.25130-1-its@elc.moe Signed-off-by: Nicolas Schier <nsc@kernel.org> |
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|
Julian Braha
|
1f1b5149cf
|
kconfig: fix minor typos in comments
Some typos I noticed: 1. expressoin -> expression 2. A property represent -> A property represents Signed-off-by: Julian Braha <julianbraha@gmail.com> Acked-by: Randy Dunlap <rdunlap@infradead.org> Link: https://patch.msgid.link/20260719210536.9577-1-julianbraha@gmail.com Reviewed-by: Nathan Chancellor <nathan@kernel.org> Signed-off-by: Nicolas Schier <nsc@kernel.org> |
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|
Martin Weiss
|
5a0eefdd32
|
scripts: fix spelling mistakes
Fix two minor typographical issues in two scripts under scripts/. Signed-off-by: Martin Weiss <Martin.weiss2410@gmail.com> Reviewed-by: Nathan Chancellor <nathan@kernel.org> Acked-by: Randy Dunlap <rdunlap@infradead.org> Link: https://patch.msgid.link/20260629082812.551273-1-Martin.weiss2410@gmail.com [nsc: Added minimal commit description] Signed-off-by: Nicolas Schier <nsc@kernel.org> |
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|
Simon Glass
|
f915149f5c
|
kconfig: abort rather than loop for ever on EOF
When a non-interactive 'make oldconfig' or 'syncconfig' meets a new int
or hex symbol whose default cannot be applied, conf_string() reads a
value from stdin. At end of file fgets() returns NULL, no value is set
and the loop asks again. The result is an endless loop which fills the
output until it exhausts memory, rather than a clean failure.
Detect this in conf_string(): if the value cannot be set and stdin is at
end of file, stop with an error that names the symbol.
Note that a symbol with no default doesn't trigger this, since
sym_calc_value() falls back to 0, which is accepted at end of file. The
loop is triggered by a broken Kconfig file, with a default whose text
fails sym_string_valid().
Such mistakes do creep in from time to time and are hard to debug, since
the build fills the log with repeated prompts instead of pointing at the
offending symbol. Some bad defaults draw a parse-time warning, but
menu_validate_number() accepts a reference to any int or hex symbol, so
a cross-type reference loops with no warning at all. For example, "0xff"
is not a valid int value:
config HEXSYM
hex
default 0xff
config VAL
int "Value"
default HEXSYM
Interactive use is unaffected, since feof() only becomes true once a
read actually hits end of file: an invalid answer at a terminal still
re-prompts, while Ctrl-D at such a prompt exits with the error instead
of looping. bool and tristate symbols and choices already accept the
default on an empty line, so they still take their defaults in a
non-interactive build.
Tested with int and hex symbols carrying such defaults: with empty
stdin, the code without this change produces around 190MB of repeated
prompts within two seconds, while with the change it exits 1 naming the
symbol. Piped and interactive (pty) sessions still re-prompt on an
invalid answer and then accept a valid one. A new string symbol with no
default still takes the empty string at end of file, since any text is
valid for a string.
Signed-off-by: Simon Glass <sjg@chromium.org>
Link: https://patch.msgid.link/20260714133545.3294648-1-sjg@chromium.org
Signed-off-by: Nicolas Schier <nsc@kernel.org>
|
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|
Sergei Litvin
|
2ca47eed70
|
scripts/tags.sh: Add support for rust source files
When executing the command `make cscope`, the `cscope.files` file generated by it includes only filenames with the extensions *.h, *.c, *.S and not includes filenames with *.rs extensions. To fix this, modify the functions `find_arch_sources()`, `find_arch_include_sources()`, `find_include_sources()`, and `find_other_sources()` so that they can accept an unlimited number of filename patterns as parameters for the search. Add the `setup_name_pattern()` function to convert these filename pattern parameters into a list of parameters that can be passed to the `find` utility via the new `pattern` variable. Signed-off-by: Sergei Litvin <litvindev@gmail.com> Acked-by: Miguel Ojeda <ojeda@kernel.org> Tested-by: Nicolas Schier <n.schier@fritz.com> Reviewed-by: Nicolas Schier <n.schier@fritz.com> Link: https://patch.msgid.link/20260714125259.78824-1-litvindev@gmail.com [nsc: cleaned-up commit message line breaks and removed cc trailers] Signed-off-by: Nicolas Schier <nsc@kernel.org> |
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|
Sergei Litvin
|
a9b93c3462
|
scripts/tags.sh: Prevent binary files appearing in cscope.files
When executing the command `make COMPILED_SOURCE=1 cscope`, the resulting `cscope.files` file contains filenames with the extensions *.rlib, *.rmeta, and *.so. To fix this, modify the regular expression in the `all_compiled_sources()` function so that only files with the extensions *.h, *.c, *.S, and *.rs are accepted. The issue has been introduced by commit |
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|
Thomas Huth
|
600f5de277
|
scripts: headers_install.sh: Normalize __ASSEMBLY__ to __ASSEMBLER__
A previous patch to headers_install.sh normalized the usage of __ASSEMBLER__ to __ASSEMBLY__ in the UAPI headers due to two reasons: 1) There was the concern that the UAPI headers might be used with non-GCC-compatible compilers, which do not define __ASSEMBLER__ automatically. But other C compilers like PCC (see https://github.com/IanHarvey/pcc/blob/cvs2git/2018.09.20/cc/cc/cc.1#L405) and Tiny-C (see https://repo.or.cz/tinycc.git/commitdiff/a25325e9be13e52a), are defining __ASSEMBLER__ for compiling assembler files, too, so using it in UAPI header files should really be fine. 2) During the migration phase, the UAPI headers will use a mix of *both* __ASSEMBLY__ and __ASSEMBLER__ at the same time, which is ugly and inconsistent. That's true. But since we already shipped a couple of kernel versions that used __ASSEMBLER__ in the UAPI headers for certain architectures, we might now break user space programs that have been developed with these kernel versions if we switch back to __ASSEMBLY__. Thus let's better always use the macro that is defined by the compilers and standardize on __ASSEMBLER__ instead of __ASSEMBLY__ in all of the UAPI header files now. Suggested-by: Thomas Weißschuh <linux@weissschuh.net> Link: https://lore.kernel.org/all/2030a963-33bc-43fe-9a2b-9c626d7d8360@redhat.com/ Reviewed-by: Nicolas Schier <n.schier@fritz.com> Tested-by: Nicolas Schier <n.schier@fritz.com> Signed-off-by: Thomas Huth <thuth@redhat.com> Link: https://patch.msgid.link/20260722072928.24500-1-thuth@redhat.com Signed-off-by: Nicolas Schier <nsc@kernel.org> |
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|
Miguel Ojeda
|
dc01dfb37b |
rust: rust_is_available: warn for bindgen < 0.72.1 && libclang >= 22
Starting with LLVM 22, `clang_getTypeDeclaration()` may return a forward
declaration instead of the type definition. This made `bindgen` generate
opaque types [1][2], which in turn made us fail with e.g.
error[E0609]: no field `__bindgen_anon_1` on type `bindings::kernel_param`
--> rust/kernel/module_param.rs:78:46
|
78 | let container = unsafe { &*((*param).__bindgen_anon_1.arg.cast::<SetOnce<T>>()) };
| ^^^^^^^^^^^^^^^^ unknown field
|
= note: available field is: `_address`
This was fixed in `bindgen` 0.72.1 [3].
In order to clarify what is going on and avoid confusion [4][5], add
a warning to `rust_is_available.sh` about it when the versions match,
similar to past warnings like the one removed in:
commit
|
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|
Miguel Ojeda
|
fd045c81ed |
rust: rust_is_available: support testing with bash as /bin/sh
`command -v` behaves differently on `dash` vs. `bash` when faced with a file without the execute bit. Thus, for the non-executable `rustc` and `bindgen` tests, support both possible outputs that the script currently gives. This makes the test script clean on distributions like Fedora. Reviewed-by: Onur Özkan <work@onurozkan.dev> Link: https://patch.msgid.link/20260719130723.162899-1-ojeda@kernel.org [ Added custom assertion message as suggested. - Miguel ] Signed-off-by: Miguel Ojeda <ojeda@kernel.org> |
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|
Josh Poimboeuf
|
15fa203ef9 |
objtool/klp: Fix symbol resolution for duplicate data symbols
find_sympos() calculates a sympos used by livepatch to disambiguate
duplicately-named symbols. For function symbols, there's a hack which
counts .text.unlikely symbols before other .text symbols, matching the
linker script's section ordering.
Not only is the hack fragile, data symbols can have the same problem.
So for example, adding a reference to pwq_cache in
ep_unregister_pollwait() can trigger a corrupt sympos and a relocation
to the wrong pwq_cache symbol in the livepatch module, resulting in a
crash or undefined behavior.
Remove the existing hack in favor of a fully deterministic solution,
using the new .klp.symid table to derive the symbol-to-id mapping from
the original vmlinux.o and the id-to-address mapping from the
corresponding vmlinux, which can then be used to determine the exact
sympos associated with the original vmlinux.
Modules don't need any special treatment: the .ko has the same
section/symbol ordering as the original whole-archive symbol table.
Fixes:
|
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|
Josh Poimboeuf
|
029223d301 |
objtool/klp: Add .klp.symid for sympos disambiguation
Livepatch identifies a duplicate-named symbol by its position (sympos) among same-named kallsyms entries, which for vmlinux are counted in ascending address order in the final linked kernel. That order can't be reliably derived from vmlinux.o: the final link reorders sub-sections (.text.unlikely*, .data..*, etc). Bridge the gap with a new .klp.symid section which can be used to correlate symbols between vmlinux.o and vmlinux so that klp-diff can reliably determine the sympos. The table can't survive --gc-sections: keeping it alive would keep every duplicate-named symbol's section alive, so the reference kernel would stop matching the one which ships. klp-build rejects CONFIG_LD_DEAD_CODE_DATA_ELIMINATION instead. Nothing is lost today: x86_64 is the only HAVE_KLP_BUILD arch and doesn't select HAVE_LD_DEAD_CODE_DATA_ELIMINATION, arm64 and s390 have never selected it either, and on powerpc, it's still EXPERIMENTAL and disabled by every distro kernel. This is the build-time half of reliable vmlinux sympos computation; "objtool klp diff" will consume the table in a subsequent commit. Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org> Signed-off-by: Ingo Molnar <mingo@kernel.org> Cc: live-patching@vger.kernel.org Link: https://patch.msgid.link/64d50f077b569f47883c015cdb7079edb068efe8.1785727106.git.jpoimboe@kernel.org |
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|
Josh Poimboeuf
|
f5f762fc93 |
objtool/klp: Skip hidden directories when finding objects
klp-build's find_objects() scans the whole tree for vmlinux.o and .ko files, pruning only klp-tmp/ and .git/. Development tools can leave other dot-directories in the tree. Kernel objects never live under hidden directories, so prune them all. Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org> Signed-off-by: Ingo Molnar <mingo@kernel.org> Cc: live-patching@vger.kernel.org Link: https://patch.msgid.link/6c8eaa9feb17e3811f4ef7733fd7288b7f489183.1785727106.git.jpoimboe@kernel.org |
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|
Mukesh Kumar Chaurasiya (IBM)
|
e299147cdc |
rust/powerpc: Set min rustc version for powerpc
Minimum `rustc` version required for powerpc is 1.95 as some critical features required for compiling rust code for kernel are not there. For example Stable inline asm support which got merged in 1.95. Link: https://github.com/rust-lang/rust/pull/147996 Signed-off-by: Mukesh Kumar Chaurasiya (IBM) <mkchauras@gmail.com> Signed-off-by: Madhavan Srinivasan <maddy@linux.ibm.com> Link: https://patch.msgid.link/20260708082454.1254320-5-mkchauras@gmail.com |
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|
Yafang Shao
|
e5a259d988
|
kbuild: rpm-pkg: Preserve BTF sections in kernel modules during debuginfo stripping
After switching to the kernel's default package scripts for our local
kernel RPM builds, we noticed that module BTF entries were missing:
$ ls /sys/kernel/btf/
vmlinux <<<< only vmlinux, no module BTF
Root cause: find-debuginfo.sh (from the debugedit package) prefers
eu-strip over strip when elfutils is installed, which is the common
case on RHEL 9. eu-strip removes non-allocated ELF sections, including
the .BTF section that contains BPF Type Format information for kernel
modules. Without .BTF, BPF tools (bpftool, bcc, bpftrace) cannot resolve
kernel types at runtime, and /sys/kernel/btf/<module> entries are not
created when modules are loaded.
Additionally, since commit
|
||
|
Christian Brauner
|
79d27fd718
|
arch: hookup fchroot() system call
Wire up the fchroot() system call as number 472 on (nearly) all architectures and sync the mirrored copies of the syscall tables and the asm-generic unistd.h under tools/. Link: https://patch.msgid.link/20260724-work-failfs-v2-5-485dabbae185@kernel.org Signed-off-by: Christian Brauner (Amutable) <brauner@kernel.org> |
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|
Thomas Weißschuh
|
9ed48de2d9
|
scripts: headers_install.sh: Normalize __ASSEMBLER__ to __ASSEMBLY__
There is an ongoing effort to replace the usage of __ASSEMBLY__ with
__ASSEMBLER__ throughout the kernel tree, see for example
commit
|
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|
Gustavo Luiz Duarte
|
8d905d34da
|
scripts: kconfig: merge_config.sh: keep temp file in the output dir
merge_config.sh currently creates a temporary file in the current directory. Create it under $OUTPUT instead, which allows running the script against a read-only source tree. The default behavior is unchanged: $OUTPUT is "." so the file stays in the cwd. Reviewed-by: Breno Leitao <leitao@debian.org> Signed-off-by: Gustavo Luiz Duarte <gustavold@gmail.com> Reviewed-by: Nicolas Schier <n.schier@fritz.com> Tested-by: Nicolas Schier <n.schier@fritz.com> Link: https://patch.msgid.link/20260710-merge_config_output-v2-1-8be3de601612@gmail.com Signed-off-by: Nicolas Schier <nsc@kernel.org> |
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|
Ben Dooks
|
fba1a1acb4
|
kbuild: remove srctree path from CHECK output
The build does not put the full kernel path in when building outputs, so do the same when the check is run to make the output more consistent. turn the following: CC arch/riscv/lib/delay.o CHECK /home/ben/linux/arch/riscv/lib/delay.c into: CC arch/riscv/lib/delay.o CHECK arch/riscv/lib/delay.c Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk> Acked-by: Nathan Chancellor <nathan@kernel.org> Link: https://patch.msgid.link/20260622132653.446868-1-ben.dooks@codethink.co.uk [nsc: Fixed typo in subject line] Signed-off-by: Nicolas Schier <nsc@kernel.org> |
||
|
Wang Han
|
57ad674d03 |
scripts/sorttable: Handle RISC-V patchable ftrace entries
RISC-V uses -fpatchable-function-entry=8,4 when the compressed ISA is
enabled and -fpatchable-function-entry=4,2 otherwise. In both cases, the
patchable NOP area starts 8 bytes before the function symbol address.
The __mcount_loc entries therefore point at the patchable NOP area
associated with a function, while nm reports the function symbol at the
entry address used for the function range check.
After RISC-V selected HAVE_BUILDTIME_MCOUNT_SORT, sorttable started
applying that range check at build time. Without allowing entries just
before the reported function address, the mcount sorter treats valid
RISC-V ftrace callsites as invalid weak-function entries and writes
them back as zero. The resulting kernel boots with no ftrace entries,
breaking dynamic ftrace and users such as livepatch.
The failure is silent during the final link because zeroing weak-function
entries is an expected sorttable operation. At boot, those zero entries
are skipped by ftrace_process_locs(), so the only obvious symptom is that
the vmlinux ftrace table has lost valid callsites and ftrace users cannot
attach to them.
CONFIG_FTRACE_SORT_STARTUP_TEST also reports the table as sorted in this
state: it only checks that the __mcount_loc entries are in ascending
order, which a fully zeroed table trivially satisfies. The original
commit relied on this check and did not see the regression.
On an affected RISC-V QEMU boot with both CONFIG_FTRACE_SORT_STARTUP_TEST
and CONFIG_FTRACE_STARTUP_TEST enabled, the sort check still passes
while ftrace reports zero usable entries and the early selftests fail:
[ 0.000000] ftrace section at ffffffff8101da98 sorted properly
[ 0.000000] ftrace: allocating 0 entries in 128 pages
[ 0.054999] Testing tracer function: .. no entries found ..FAILED!
[ 0.172407] tracer: function failed selftest, disabling
[ 0.178186] Failed to init function_graph tracer, init returned -19
Handle RISC-V like arm64 for the function-range check and allow
patchable entries up to 8 bytes before the function address.
With this fix, a RISC-V QEMU smoke boot with ftrace startup tests shows
the vmlinux ftrace table is populated and dynamic ftrace still works:
[ 0.000000] ftrace: allocating 46749 entries in 184 pages
[ 0.051115] Testing tracer function: PASSED
[ 1.283782] Testing dynamic ftrace: PASSED
[ 6.275456] Testing tracer function_graph: PASSED
Fixes: 0ca1724b56af ("riscv: ftrace: select HAVE_BUILDTIME_MCOUNT_SORT")
Suggested-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Reviewed-by: Steven Rostedt <rostedt@goodmis.org>
Reviewed-by: Shuai Xue <xueshuai@linux.alibaba.com>
Reviewed-by: Chen Pei <cp0613@linux.alibaba.com>
Link: https://lore.kernel.org/all/20260527113028.4b21a5de@fedora/
Signed-off-by: Wang Han <wanghan@linux.alibaba.com>
Reviewed-by: Martin Kaiser <martin@kaiser.cx>
Link: https://patch.msgid.link/20260609063002.3943001-1-wanghan@linux.alibaba.com
Signed-off-by: Paul Walmsley <pjw@kernel.org>
|
||
|
Linus Torvalds
|
6cc37b86f8 |
Second round of Kbuild changes for 7.2
- Link host programs with ld.lld when $(LLVM) is set to match user's expectations that LLVM will be used exclusively during the build process - Fix modpost warnings from static variable name promotion that can happen more aggressively with the recently merged distributed ThinLTO support - Add an optional warning for user-supplied Kconfig values that changed after processing, such as out of range values or options that have incorrect / missing dependencies Signed-off-by: Nathan Chancellor <nathan@kernel.org> -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQR74yXHMTGczQHYypIdayaRccAalgUCajxdqwAKCRAdayaRccAa lqp7AQDoaDr7cA9voR/vx+mC2zumBEnG1CAhMEIr4zPsPjyF5AD9GA5hXQc5DR68 wMqB8Na5lB43GjJQEJxFwkPX1l8BzQU= =Ughj -----END PGP SIGNATURE----- Merge tag 'kbuild-7.2-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kbuild/linux Pull more Kbuild updates from Nathan Chancellor: - Link host programs with ld.lld when $(LLVM) is set to match user's expectations that LLVM will be used exclusively during the build process - Fix modpost warnings from static variable name promotion that can happen more aggressively with the recently merged distributed ThinLTO support - Add an optional warning for user-supplied Kconfig values that changed after processing, such as out of range values or options that have incorrect / missing dependencies * tag 'kbuild-7.2-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kbuild/linux: kconfig: add optional warnings for changed input values modpost: Ignore Clang LTO suffixes in symbol matching kbuild: Use ld.lld for linking host programs when LLVM is set |
||
|
Linus Torvalds
|
dcebfd2c14 |
Rust fixes for v7.2
Toolchain and infrastructure:
- Work around a 'rustc' bug by setting the 'frame-pointer' LLVM module
flag under 'CONFIG_FRAME_POINTER'. The upcoming Rust 1.98.0 is fixed.
- Doctests: fix incorrect replacement pattern.
'kernel' crate:
- Mark 'Debug' impl as '#[inline]'.
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Merge tag 'rust-fixes-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/ojeda/linux
Pull rust fixes from Miguel Ojeda:
"Toolchain and infrastructure:
- Work around a 'rustc' bug by setting the 'frame-pointer' LLVM
module flag under 'CONFIG_FRAME_POINTER'.
The upcoming Rust 1.98.0 is fixed.
- Doctests: fix incorrect replacement pattern.
'kernel' crate:
- Mark 'Debug' impl as '#[inline]'"
* tag 'rust-fixes-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/ojeda/linux:
rust: Kbuild: set frame-pointer llvm module flag for CONFIG_FRAME_POINTER
rust: doctest: fix incorrect pattern in replacement
rust: bitfield: mark `Debug` impl as `#[inline]`
|
||
|
Linus Torvalds
|
f31c00c377 |
platform-drivers-x86 for v7.2-1
Highlights:
- amd/hfi: Add support for dynamic ranking tables (version 3)
- amd/pmc:
- Add PMC driver support for AMD 1Ah M80H SoC
- Delay suspend for some Lenovo Laptops to avoid keyboard and lid
switch problems after s2idle
- arm64: qcom-hamoa-ec: Add Hamoa/Purwa/Glymur EC driver
- asus-armoury: add support for G614PR, GA402NJ, GA403UM, and FX608JPR
- asus-wmi: add keystone dongle support
- dell-dw5826e: Add reset driver for DW5826e
- dell-laptop: Fix rollback path
- hp-wmi:
- Add support for Omen 16-ap0xxx (board ID 8D26) and board ID 8B2F
- intel-hid:
- Add HP ProBook x360 440 G1 5 button array support
- Prevent racing ACPI notify handlers
- intel/pmc:
- Add Nova Lake support
- Rate-limit LTR scale-factor warning
- intel-uncore-freq:
- Expose instance ID in the sysfs
- Fix current_freq_khz after CPU hotplug
- intel/vsec: Restore BAR fallback for header walk
- ISST: Restore SST-PP control to all domains
- lenovo-wmi-*:
- Add more CPU tunable attributes
- Add GPU tunable attributes
- Add WMI battery charge limiting
- oxpec: add support for OneXPlayer Super X
- sel3350-platform: Retain LED state on load and unload
- surface: SAM: Add support for Surface Pro 12in
- uniwill-laptop: Add support for battery charge modes
- tools/power/x86/intel-speed-select: Harden daemon pidfile open
- Major refactoring efforts:
- ACPI driver to platform driver conversion
- Converting drivers to use the improved WMI API
- Miscellaneous cleanups / refactoring / improvements
The following is an automated shortlog grouped by driver:
ACPI:
- provide acpi_bus_find_device_by_name()
alienware-wmi-base:
- Transition to new WMI API
amd: hfi:
- Support for ranking table versions
amd/hsmp:
- Clamp ioctl/send_message indices (Spectre v1)
amd/pmc:
- Add delay_suspend module parameter
- Add PMC driver support for AMD 1Ah M80H SoC
- Check for intermediate wakeup in function
- Delay suspend for some Lenovo Laptops
- Don't log during intermediate wakeups
- Use per-SoC cpu_info struct for SMU mailbox and IP info
apple-gmux:
- Drop unused assignment of pnp_device_id driver data
arm64:
- Add driver for EC found on Qualcomm reference devices
arm64: qcom-hamoa-ec:
- Fix indentation in comment tables
arm64 Use named initializers for struct i2c_device_id:
- arm64 Use named initializers for struct i2c_device_id
asus-armoury:
- add support for FX608JPR
- add support for G614PR
- add support for GA402NJ
- add support for GA403UM
asus-wmi:
- add keystone dongle support
barco-p50-gpio:
- attach software node to its target GPIO device
classmate-laptop:
- Address memory leaks on driver removal
- Convert accel driver to a platform one
- Convert ipml driver to a platform one
- Convert keys driver to a platform one
- Convert tablet driver to a platform one
- Convert v4 accel driver to a platform one
- Pass struct device pointer to helpers
- Register ACPI notify handlers directly
- Rename two helper functions
- Unify probe rollback and remove code
dell-ddv:
- Use new buffer-based WMI API
dell-descriptor:
- Use new buffer-based WMI API
dell-dw5826e:
- Add reset driver for DW5826e
dell-laptop:
- add Inspiron N5110 to touchpad LED quirk table
- fix missing cleanups in init error path
dell-privacy:
- correct CONFIG_DELL_WMI_PRIVACY macro name in comments
- Use new buffer-based WMI API
dell_rbu:
- use strscpy in image_type_write
dell-smbios-wmi:
- Use new buffer-based WMI API
dell-wmi-base:
- Use new buffer-based WMI API
docs:
- fix typo in uniwill-laptop.rst
hp-wmi:
- Add support for Omen 16-ap0xxx (8D26)
- Add support for Omen 16-ap0xxx (8E35)
- Add thermal support for board 8B2F
hwmon:
- (dell-smm) Use new buffer-based WMI API
intel-hid:
- Add HP ProBook x360 440 G1 to button_array_table
- Protect ACPI notify handler against recursion
intel/pmc:
- Add ACPI PWRM telemetry driver for Nova Lake S
- Add Nova Lake support to intel_pmc_core driver
- Add NVL PCI IDs for SSRAM telemetry discovery
- Add PMC SSRAM Kconfig description
- Add support for variable DMU offsets
- Enable Pkgc blocking residency counter
- Enable PkgC LTR blocking counter
- rate-limit LTR scale-factor warning
- Retrieve PMC info only for available PMCs
intel/pmc/ssram:
- Add ACPI discovery scaffolding
- Add PCI platform data
- Make PMT registration optional
- Refactor DEVID/PWRMBASE extraction into helper
- Rename probe and PCI ID table for consistency
- Switch to static array with per-index probe state
intel/pmc:
- Use __free() in pmc_core_punit_pmt_init()
- Use PCI DID for PMC SSRAM device discovery
intel/pmt:
- Add pre/post decode hooks around header parsing
- Cache the telemetry discovery header
intel/pmt/crashlog:
- Split init into pre-decode
intel/pmt:
- Pass discovery index instead of resource
intel/pmt/telemetry:
- Move overlap check to post-decode hook
intel/pmt:
- Unify header fetch and add ACPI source
intel/tpmi:
- convert mutex in mem_write() to guard
- use cleanup helpers in mem_write()
intel-uncore-freq:
- Expose instance ID in the sysfs
- Fix current_freq_khz after CPU hotplug
- Rename instance_id
intel/vsec:
- allocate res with intel_vsec_dev
- Restore BAR fallback for header walk
ISST:
- Restore SST-PP control to all domains
lenovo-wmi-capdata:
- Add debugfs file for dumping capdata
lenovo-wmi-helpers:
- Add helper for creating per-device debugfs dir
lenovo-wmi-other:
- Add force_load_psy_ext module parameter
- Add GPU tunable attributes
- Add missing CPU tunable attributes
- Add WMI battery charge limiting
- Rename LWMI_OM_FW_ATTR_BASE_PATH
meraki-mx100:
- use real software node references
modpost:
- Handle malformed WMI GUID strings
Move delayed work on system_dfl_wq:
- Move delayed work on system_dfl_wq
msi-ec:
- Add support for MSI Pulse GL66 12th Gen
oxpec:
- add support for OneXPlayer Super X
panasonic-laptop:
- simplify allocation of sinf
pcengines-apuv2:
- reduce indiraction in swnode assignment
pmc_atom:
- Use named initializer for pci_device_id array
sel3350-platform:
- Retain LED state on load and unload
sonypi:
- use strscpy() in sonypi_acpi_probe
surface: SAM:
- Add support for Surface Pro 12in
thinkpad_acpi:
- Add debugfs entry to display HWDD raw
- Remove unneeded goto
tools/power/x86/intel-speed-select:
- Harden daemon pidfile open
uniwill-laptop:
- Add support for battery charge modes
- Enable battery charge modes on supported devices
- Mark EC_ADDR_OEM_4 as volatile
- Rework FN lock/super key suspend handling
use u8 * for raw byte buffers:
- use u8 * for raw byte buffers
wmi:
- Make sysfs attributes const
- Make wmi_bus_class const
x86-android-tablets:
- enable fwnode matching of GPIO chips
- Use named initializers for struct i2c_device_id
x86/platform/olpc: xo15:
- Convert ACPI driver to a platform one
- Drop wakeup source on driver removal
xo15-ebook:
- Convert ACPI driver to a platform one
- Fix formatting of labels
- Fix wakeup source and GPE handling
- Register ACPI notify handler directly
- Use devres-based resource management
Merges:
- Merge branch 'fixes' into for-next
- Merge branch 'fixes' of into for-next
- Merge branch 'intel-sst' of https://github.com/spandruvada/linux-kernel into review-ilpo-next
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Merge tag 'platform-drivers-x86-v7.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver updates from Ilpo Järvinen:
- amd/hfi: Add support for dynamic ranking tables (version 3)
- amd/pmc:
- Add PMC driver support for AMD 1Ah M80H SoC
- Delay suspend for some Lenovo Laptops to avoid keyboard and lid
switch problems after s2idle
- arm64: qcom-hamoa-ec: Add Hamoa/Purwa/Glymur EC driver
- asus-armoury: add support for G614PR, GA402NJ, GA403UM, and FX608JPR
- asus-wmi: add keystone dongle support
- dell-dw5826e: Add reset driver for DW5826e
- dell-laptop: Fix rollback path
- hp-wmi:
- Add support for Omen 16-ap0xxx (board ID 8D26) and board ID 8B2F
- intel-hid:
- Add HP ProBook x360 440 G1 5 button array support
- Prevent racing ACPI notify handlers
- intel/pmc:
- Add Nova Lake support
- Rate-limit LTR scale-factor warning
- intel-uncore-freq:
- Expose instance ID in the sysfs
- Fix current_freq_khz after CPU hotplug
- intel/vsec: Restore BAR fallback for header walk
- ISST: Restore SST-PP control to all domains
- lenovo-wmi-*:
- Add more CPU tunable attributes
- Add GPU tunable attributes
- Add WMI battery charge limiting
- oxpec: add support for OneXPlayer Super X
- sel3350-platform: Retain LED state on load and unload
- surface: SAM: Add support for Surface Pro 12in
- uniwill-laptop: Add support for battery charge modes
- tools/power/x86/intel-speed-select: Harden daemon pidfile open
- Major refactoring efforts:
- ACPI driver to platform driver conversion
- Converting drivers to use the improved WMI API
- Miscellaneous cleanups / refactoring / improvements
* tag 'platform-drivers-x86-v7.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: (115 commits)
platform/x86/intel/pmc: Add NVL PCI IDs for SSRAM telemetry discovery
platform/x86/intel/pmc/ssram: Make PMT registration optional
platform/x86/intel/pmc/ssram: Add ACPI discovery scaffolding
platform/x86/intel/pmc/ssram: Switch to static array with per-index probe state
platform/x86/intel/pmc/ssram: Refactor DEVID/PWRMBASE extraction into helper
platform/x86/intel/pmc/ssram: Add PCI platform data
platform/x86/intel/pmc/ssram: Rename probe and PCI ID table for consistency
platform/x86/intel/pmc: Add ACPI PWRM telemetry driver for Nova Lake S
platform/x86/intel/pmc: Add PMC SSRAM Kconfig description
platform/x86/intel/pmt: Unify header fetch and add ACPI source
platform/x86/intel/pmt: Cache the telemetry discovery header
platform/x86/intel/pmt: Pass discovery index instead of resource
platform/x86/intel/pmt/telemetry: Move overlap check to post-decode hook
platform/x86/intel/pmt/crashlog: Split init into pre-decode
platform/x86/intel/pmt: Add pre/post decode hooks around header parsing
modpost: Handle malformed WMI GUID strings
platform/wmi: Make sysfs attributes const
platform/wmi: Make wmi_bus_class const
hwmon: (dell-smm) Use new buffer-based WMI API
platform/x86: dell-ddv: Use new buffer-based WMI API
...
|
||
|
Linus Torvalds
|
e4b4bfaa50 |
SPDX patches for 7.2-rc1
Here is a "big" set of SPDX-like patches for 7.2-rc1. It is the addition of the ability for the kernel build process to generate a Software Bill of Materials (SBOM) in the SPDX format, that matches up exactly with just the files that are actually built for the specific kernel image generated. To generate a sbom, after the kernel has been built, just do: make sbom and marvel at the JSON file that is generated... This is needed by users for environments in which a SBOM is required (medical, automotive, anything shipped in the EU, etc.) and cuts down by a massive size the "naive" SBOM solution that many vendors have done by just including _all_ of the kernel files in the resulting document. This result is still a giant JSON file, that I am told parses properly, so we just have to trust that it is properly inclusive as attempting to parse that thing by hand is impossible. The scripts here are self-contained python scripts, no additional libraries or tools to create the SBOM are needed, which is important for many build systems. Overall it's just a bit over 4000 lines of "simple" python code, the most complex part is the regex matching lines, but those are nothing compared to what we maintain in scripts/checkpatch.pl today... The various parts where the tool touches the kbuild subsystem have been acked by the kbuild maintainer, so all should be good here. All of these patches have been in linux-next for weeks with no reported problems. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCajk0Hg8cZ3JlZ0Brcm9h aC5jb20ACgkQMUfUDdst+ymLvgCffz6hsZs43VVpbqi7J1UKnxtlcAcAn0Qv2DgS wjRUwh7+ja4WLOaDnRsh =zSW4 -----END PGP SIGNATURE----- Merge tag 'spdx-7.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/spdx Pull SPDX updates from Greg KH: "Here is a "big" set of SPDX-like patches for 7.2-rc1. It is the addition of the ability for the kernel build process to generate a Software Bill of Materials (SBOM) in the SPDX format, that matches up exactly with just the files that are actually built for the specific kernel image generated. To generate a sbom, after the kernel has been built, just do: make sbom and marvel at the JSON file that is generated... This is needed by users for environments in which a SBOM is required (medical, automotive, anything shipped in the EU, etc.) and cuts down by a massive size the "naive" SBOM solution that many vendors have done by just including _all_ of the kernel files in the resulting document. This result is still a giant JSON file, that I am told parses properly, so we just have to trust that it is properly inclusive as attempting to parse that thing by hand is impossible. The scripts here are self-contained python scripts, no additional libraries or tools to create the SBOM are needed, which is important for many build systems. Overall it's just a bit over 4000 lines of "simple" python code, the most complex part is the regex matching lines, but those are nothing compared to what we maintain in scripts/checkpatch.pl today... The various parts where the tool touches the kbuild subsystem have been acked by the kbuild maintainer, so all should be good here. All of these patches have been in linux-next for weeks with no reported problems" * tag 'spdx-7.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/spdx: scripts/sbom: add unit tests for SPDX-License-Identifier parsing scripts/sbom: add unit tests for command parsers scripts/sbom: add SPDX build graph scripts/sbom: add SPDX source graph scripts/sbom: add SPDX output graph scripts/sbom: collect file metadata scripts/sbom: add shared SPDX elements scripts/sbom: add JSON-LD serialization scripts/sbom: add SPDX classes scripts/sbom: add additional dependency sources for cmd graph scripts/sbom: add cmd graph generation scripts/sbom: add command parsers scripts/sbom: setup sbom logging scripts/sbom: integrate script in make process scripts/sbom: add documentation |
||
|
Linus Torvalds
|
2e05544060 |
mm.git review status for mm-hotfixes-stable..mm-nonmm-stable
Everything:
Total patches: 108
Reviews/patch: 0.84
Reviewed rate: 75%
Patch series in this merge:
- The 2 patch series "taskstats: fix TGID dead-thread stat retention"
from Yiyang Chen fixes a taskstats TGID aggregation bug where fields
added in the TGID query path were not preserved after thread exit, and
adds a kselftest covering the regression.
- The 2 patch series "lib/tests: string_helpers: Slight improvements"
from Andy Shevchenko improves lib/tests/string_helpers_kunit.c a little.
- The 2 patch series "lib/base64: decode fixes" from Josh Law addreesses
minor issues in lib/base64.c.
- The 3 patch series "selftests/filelock: Make output more kselftestish"
from Mark Brown makes the output from the ofdlocks test a bit easier for
tooling to work with, and also ignores the generated file.
- The 3 patch series "uaccess: unify inline vs outline
copy_{from,to}_user() selection" from Yury Norov simplifies the usercopy
code by removing the selectability of inlining copy_{from,to}_user().
- The 5 patch series "ocfs2: validate inline xattr header consumers"
from ZhengYuan Huang fixes a number of possible issues in the ocfs2
xattr code.
- The 8 patch series "lib and lib/cmdline enhancements" from Dmitry
Antipov provides additional robustness checking in the cmdline handling
code and its in-kernel testing and selftests.
- The 18 patch series "cleanup the RAID6 P/Q library" from Christoph
Hellwig cleans up the RAID6 P/Q library to match the recent updates to
the RAID 5 XOR library and other CRC/crypto libraries.
- The 3 patch series "ocfs2: harden inode validators against forged
metadata" from Michael Bommarito adds three structural checks to OCFS2
dinode validation so malformed on-disk fields are rejected before
ocfs2_populate_inode() copies them into the in-core inode.
- The 2 patch series "lib/raid: replace __get_free_pages() call with
kmalloc()" from Mike Rapoport cleans up the lib/raid code by using
kmalloc() in more places.
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Merge tag 'mm-nonmm-stable-2026-06-21-10-22' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull non-MM updates from Andrew Morton:
- "taskstats: fix TGID dead-thread stat retention" (Yiyang Chen)
Fix a taskstats TGID aggregation bug where fields added in the TGID
query path were not preserved after thread exit, and adds a kselftest
covering the regression.
- "lib/tests: string_helpers: Slight improvements" (Andy Shevchenko)
Improve lib/tests/string_helpers_kunit.c a little
- "lib/base64: decode fixes" (Josh Law)
Address minor issues in lib/base64.c
- "selftests/filelock: Make output more kselftestish" (Mark Brown)
Make the output from the ofdlocks test a bit easier for tooling to
work with. Also ignore the generated file
- "uaccess: unify inline vs outline copy_{from,to}_user() selection"
(Yury Norov)
Simplify the usercopy code by removing the selectability of inlining
copy_{from,to}_user().
- "ocfs2: validate inline xattr header consumers" (ZhengYuan Huang)
Fix a number of possible issues in the ocfs2 xattr code
- "lib and lib/cmdline enhancements" (Dmitry Antipov)
Provide additional robustness checking in the cmdline handling code
and its in-kernel testing and selftests
- "cleanup the RAID6 P/Q library" (Christoph Hellwig)
Clean up the RAID6 P/Q library to match the recent updates to the
RAID 5 XOR library and other CRC/crypto libraries
- "ocfs2: harden inode validators against forged metadata" (Michael
Bommarito)
Add three structural checks to OCFS2 dinode validation so malformed
on-disk fields are rejected before ocfs2_populate_inode() copies them
into the in-core inode
- "lib/raid: replace __get_free_pages() call with kmalloc()" (Mike
Rapoport)
Clean up the lib/raid code by using kmalloc() in more places
* tag 'mm-nonmm-stable-2026-06-21-10-22' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (108 commits)
ocfs2: fix circular locking dependency in ocfs2_dio_end_io_write
ocfs2: fix NULL h_transaction deref in ocfs2_assure_trans_credits
lib: interval_tree_test: validate benchmark parameters
ocfs2: avoid moving extents to occupied clusters
treewide: fix transposed "sign" typos and update spelling.txt
ocfs2: fix UBSAN array-index-out-of-bounds in ocfs2_sum_rightmost_rec
fat: reject BPB volumes whose data area starts beyond total sectors
selftests/uevent: increase __UEVENT_BUFFER_SIZE to avoid ENOBUFS on busy systems
lib/test_firmware: allocate the configured into_buf size
fs: efs: remove unneeded debug prints
checkpatch: cuppress warnings when Reported-by: is followed by Link:
MAINTAINERS: add Alexander as a kcov reviewer
mailmap: update Alexander Sverdlin's Email addresses
fs: fat: inode: replace sprintf() with scnprintf()
ocfs2: fix out-of-bounds write in ocfs2_remove_refcount_extent
ocfs2: fix race between ocfs2_control_install_private() and ocfs2_control_release()
ocfs2/dlm: require a ref for locking_state debugfs open
ocfs2: reject FITRIM ranges shorter than a cluster
ocfs2: validate fast symlink target during inode read
ocfs2: add journal NULL check in ocfs2_checkpoint_inode()
...
|
||
|
Gary Guo
|
ac4d1caa82 |
rust: doctest: fix incorrect pattern in replacement
The `-> Result<(), impl core::fmt::Debug>` string is generated by rustdoc
and by adding "::" into the string it no longer finds anything, making
the line useless.
Remove the "::" in the pattern. Omit it in the replacement too, for
consistency with upstream rustdoc.
Fixes:
|