mirror of
https://github.com/torvalds/linux.git
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d78ddeb893
727 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Linus Torvalds
|
26a4cfaff8 |
A handful of small, late-arriving documentation fixes.
-----BEGIN PGP SIGNATURE----- iQFDBAABCgAtFiEEIw+MvkEiF49krdp9F0NaE2wMflgFAmmR/3oPHGNvcmJldEBs d24ubmV0AAoJEBdDWhNsDH5Yf9gH/0SJoaO0Bdgh4SoWtE3AMr6Gxnig5dggoto4 C0lXix/2JcObZvBfmFkE0siCnQidb9XICCtIKlpvW35SgiQ9GsXuMT8oleo7wJii eYHdA97gOMXverRfWVg/hb87nmx901/bleJTZsuOrzh96HJGvkXARR85X0fEJo4K zfNrhnRUqUv2Onu0b1awmUYg01Yjq/VY3LzY6wRDWHE1Nfz4L0uC9XZs7FTO0UHe Q3eivfRgEMtPM64BYFweTR5vk/harx/fcbqMhapvLPaH/K726Uw6SxrXCOMq9dQL vVWy0G+yrMllu+1lIJoXnWxPEluYpuBxW/Zshx6WQa+bzA2Q1wA= =uUQO -----END PGP SIGNATURE----- Merge tag 'docs-7.0-2' of git://git.kernel.org/pub/scm/linux/kernel/git/docs/linux Pull documentation fixes from Jonathan Corbet: "A handful of small, late-arriving documentation fixes" * tag 'docs-7.0-2' of git://git.kernel.org/pub/scm/linux/kernel/git/docs/linux: docs: toshiba_haps: fix grammar error in SSD warning Docs/mm: fix typos and grammar in page_tables.rst Docs/core-api: fix typos in rbtree.rst docs: clarify wording in programming-language.rst docs: process: maintainer-pgp-guide: update kernel.org docs link docs: kdoc_parser: allow __exit in function prototypes |
||
|
Ariful Islam Shoikot
|
47cb33cedf |
docs: clarify wording in programming-language.rst
Clarify that the Linux kernel is written in C and improve punctuation in the clang sentence. Signed-off-by: Ariful Islam Shoikot <islamarifulshoikat@gmail.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <20260214132842.1161-1-islamarifulshoikat@gmail.com> |
||
|
Linus Torvalds
|
939faf71cf |
drm for 7.0-rc1
core:
- drop kgdb support
- replace system workqueue with percpu
- account for property blobs in memcg
- MAINTAINERS updates for xe + buddy
rust:
- Fix documentation for Registration constructors.
- Use pin_init::zeroed() for fops initialization.
- Annotate DRM helpers with __rust_helper.
- Improve safety documentation for gem::Object::new().
- Update AlwaysRefCounted imports.
- mm: Prevent integer overflow in page_align().
atomic:
- add drm_device pointer to drm_private_obj
- introduce gamma/degamma LUT size check
buddy:
- fix free_trees memory leak
- prevent BUG_ON
bridge:
- introduce drm_bridge_unplug/enter/exit
- add connector argument to .hpd_notify
- lots of recounting conversions
- convert rockchip inno hdmi to bridge
- lontium-lt9611uxc: switch to HDMI audio helpers
- dw-hdmi-qp: add support for HPD-less setups
- Algoltek AG6311 support
panels:
- edp: CSW MNE007QB3-1, AUO B140HAN06.4, AUO B140QAX01.H
- st75751: add SPI support
- Sitronix ST7920, Samsung LTL106HL02
- LG LH546WF1-ED01, HannStar HSD156J
- BOE NV130WUM-T08
- Innolux G150XGE-L05
- Anbernic RG-DS
dma-buf:
- improve sg_table debugging
- add tracepoints
- call clear_page instead of memset
- start to introduce cgroup memory accounting in heaps
- remove sysfs stats
dma-fence:
- add new helpers
dp:
- mst: avoid oob access with vcpi=0
hdmi:
- limit infoframes exposure to userspace
gem:
- reduce page table overhead with THP
- fix leak in drm_gem_get_unmapped_area
gpuvm:
- API sanitation for rust bindings
sched:
- introduce new helpers
panic:
- report invalid panic modes
- add kunit tests
i915/xe display:
- Expose sharpness only if num_scalers is >= 2
- Add initial Xe3P_LPD for NVL
- BMG FBC support
- Add MTL+ platforms to support dpll framework
_ fix DIMM_S DRM decoding on ICL
- Return to using AUX interrupts
- PSR/Panel replay refactoring
- use consolidation HDMI tables
- Xe3_LPD CD2X dividier changes
xe:
- vfio: add vfio_pci for intel GPU
- multi queue support
- dynamic pagemaps and multi-device SVM
- expose temp attribs in hwmon
- NO_COMPRESSION bo flag
- expose MERT OA unit
- sysfs survivability refactor
- SRIOV PF: add MERT support
- enable SR-IOV VF migration
- Enable I2C/NVM on Crescent Island
- Xe3p page reclaimation support
- introduce SRIOV scheduler groups
- add SoC remappt support in system controller
- insert compiler barriers in GuC code
- define NVL GuC firmware
- handle GT resume failure
- fix drm scheduler layering violations
- enable GSC loading and PXP for PTL
- disable GuC Power DCC strategy on PTL
- unregister drm device on probe error
i915:
- move to kernel standard fault injection
- bump recommended GuC version for DG2 and MTL
amdgpu:
- SMUIO 15.x, PSP 15.x support
- IH 6.1.1/7.1 support
- MMHUB 3.4/4.2 support
- GC 11.5.4/12.1 support
- SDMA 6.1.4/7.1/7.11.4 support
- JPEG 5.3 support
- UserQ updates
- GC 9 gfx queue reset support
- TTM memory ops parallelization
- convert legacy logging to new helpers
- DC analog fixes
amdkfd:
- GC 11.5.4/12.1 suppport
- SDMA 6.1.4/7.1 support
- per context support
- increase kfd process hash table
- Reserved SDMA rework
radeon:
- convert legacy logging to new helpers
- use devm for i2c adapters
msm:
- GPU
- Document a612/RGMU dt bindings
- UBWC 6.0 support (for A840 / Kaanapali)
- a225 support
- DPU:
- Switched to use virtual planes by default
- Fixed DSI CMD panels on DPU 3.x
- Rewrote format handling to remove intermediate representation
- Fixed watchdog on DPU 8.x+
- Fixed TE / Vsync source setting on DPU 8.x+
- Added 3D_Mux on SC7280
- Kaanapali platform support
- Fixed UBWC register programming
- Made RM reserve DSPP-enabled mixers for CRTCs with LMs.
- Gamma correction support
- DP:
- Enabled support for eDP 1.4+ link rate tables
- Fixed MDSS1 DP indices on SA8775P, making them to work
- Fixed msm_dp_ctrl_config_msa() to work with LLVM 20
- DSI:
- Documented QCS8300 as compatible with SA8775P
- Kaanapali platform support
- DSI PHY:
- switched to divider_determine_rate()
- MDP5:
- Dropped support for MSM8998, SDM660 and SDM630 (switched over
to DPU)
- MDSS:
- Kaanapali platform support
- Fixed UBWC register programming
nova-core:
- Prepare for Turing support. This includes parsing and handling
Turing-specific firmware headers and sections as well as a Turing
Falcon HAL implementation.
- Get rid of the Result<impl PinInit<T, E>> anti-pattern.
- Relocate initializer-specific code into the appropriate initializer.
- Use CStr::from_bytes_until_nul() to remove custom helpers.
- Improve handling of unexpected firmware values.
- Clean up redundant debug prints.
- Replace c_str!() with native Rust C-string literals.
- Update nova-core task list.
nova:
- Align GEM object size to system page size.
tyr:
- Use generated uAPI bindings for GpuInfo.
- Replace manual sleeps with read_poll_timeout().
- Replace c_str!() with native Rust C-string literals.
- Suppress warnings for unread fields.
- Fix incorrect register name in print statement.
nouveau:
- fix big page table support races in PTE management
- improve reclocking on tegra 186+
amdxdna:
- fix suspend race conditions
- improve handling of zero tail pointers
- fix cu_idx overwritten during command setup
- enable hardware context priority
- remove NPU2 support
- update message buffer allocation requirements
- update firmware version check
ast:
- support imported cursor buffers
- big endian fixes
etnaviv:
- add PPU flop reset support
imagination:
- add AM62P support
- introduce hw version checks
ivpu:
- implement warm boot flow
panfrost:
- add bo sync ioctl
- add GPU_PM_RT support for RZ/G3E SoC
panthor:
- add bo sync ioctl
- enable timestamp propagation
- scheduler robustness improvements
- VM termination fixes
- huge page support
rockchip:
- RK3368 HDMI Support
- get rid of atomic_check fixups
- RK3506 support
- RK3576/RK3588 improved HPD handling
rz-du:
- RZ/V2H(P) MIPI-DSI Support
v3d:
- fix DMA segment size
- convert to new logging helpers
mediatek:
- move DP training to hotplug thread
- convert logging to new helpers
- add support for HS speed DSI
- Genio 510/700/1200-EVK, Radxa NIO-12L HDMI support
atmel-hlcdc:
- switch to drmm resource
- support nomodeset
- use newer helpers
hisilicon:
- fix various DP bugs
renesas:
- fix kernel panic on reboot
exynos:
- fix vidi_connection_ioctl using wrong device
- fix vidi_connection deref user ptr
- fix concurrency regression with vidi_context
vkms:
- add configfs support for display configuration
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Merge tag 'drm-next-2026-02-11' of https://gitlab.freedesktop.org/drm/kernel
Pull drm updates from Dave Airlie:
"Highlights:
- amdgpu support for lots of new IP blocks which means newer GPUs
- xe has a lot of SR-IOV and SVM improvements
- lots of intel display refactoring across i915/xe
- msm has more support for gen8 platforms
- Given up on kgdb/kms integration, it's too hard on modern hw
core:
- drop kgdb support
- replace system workqueue with percpu
- account for property blobs in memcg
- MAINTAINERS updates for xe + buddy
rust:
- Fix documentation for Registration constructors
- Use pin_init::zeroed() for fops initialization
- Annotate DRM helpers with __rust_helper
- Improve safety documentation for gem::Object::new()
- Update AlwaysRefCounted imports
- mm: Prevent integer overflow in page_align()
atomic:
- add drm_device pointer to drm_private_obj
- introduce gamma/degamma LUT size check
buddy:
- fix free_trees memory leak
- prevent BUG_ON
bridge:
- introduce drm_bridge_unplug/enter/exit
- add connector argument to .hpd_notify
- lots of recounting conversions
- convert rockchip inno hdmi to bridge
- lontium-lt9611uxc: switch to HDMI audio helpers
- dw-hdmi-qp: add support for HPD-less setups
- Algoltek AG6311 support
panels:
- edp: CSW MNE007QB3-1, AUO B140HAN06.4, AUO B140QAX01.H
- st75751: add SPI support
- Sitronix ST7920, Samsung LTL106HL02
- LG LH546WF1-ED01, HannStar HSD156J
- BOE NV130WUM-T08
- Innolux G150XGE-L05
- Anbernic RG-DS
dma-buf:
- improve sg_table debugging
- add tracepoints
- call clear_page instead of memset
- start to introduce cgroup memory accounting in heaps
- remove sysfs stats
dma-fence:
- add new helpers
dp:
- mst: avoid oob access with vcpi=0
hdmi:
- limit infoframes exposure to userspace
gem:
- reduce page table overhead with THP
- fix leak in drm_gem_get_unmapped_area
gpuvm:
- API sanitation for rust bindings
sched:
- introduce new helpers
panic:
- report invalid panic modes
- add kunit tests
i915/xe display:
- Expose sharpness only if num_scalers is >= 2
- Add initial Xe3P_LPD for NVL
- BMG FBC support
- Add MTL+ platforms to support dpll framework
_ fix DIMM_S DRM decoding on ICL
- Return to using AUX interrupts
- PSR/Panel replay refactoring
- use consolidation HDMI tables
- Xe3_LPD CD2X dividier changes
xe:
- vfio: add vfio_pci for intel GPU
- multi queue support
- dynamic pagemaps and multi-device SVM
- expose temp attribs in hwmon
- NO_COMPRESSION bo flag
- expose MERT OA unit
- sysfs survivability refactor
- SRIOV PF: add MERT support
- enable SR-IOV VF migration
- Enable I2C/NVM on Crescent Island
- Xe3p page reclaimation support
- introduce SRIOV scheduler groups
- add SoC remappt support in system controller
- insert compiler barriers in GuC code
- define NVL GuC firmware
- handle GT resume failure
- fix drm scheduler layering violations
- enable GSC loading and PXP for PTL
- disable GuC Power DCC strategy on PTL
- unregister drm device on probe error
i915:
- move to kernel standard fault injection
- bump recommended GuC version for DG2 and MTL
amdgpu:
- SMUIO 15.x, PSP 15.x support
- IH 6.1.1/7.1 support
- MMHUB 3.4/4.2 support
- GC 11.5.4/12.1 support
- SDMA 6.1.4/7.1/7.11.4 support
- JPEG 5.3 support
- UserQ updates
- GC 9 gfx queue reset support
- TTM memory ops parallelization
- convert legacy logging to new helpers
- DC analog fixes
amdkfd:
- GC 11.5.4/12.1 suppport
- SDMA 6.1.4/7.1 support
- per context support
- increase kfd process hash table
- Reserved SDMA rework
radeon:
- convert legacy logging to new helpers
- use devm for i2c adapters
msm:
- GPU
- Document a612/RGMU dt bindings
- UBWC 6.0 support (for A840 / Kaanapali)
- a225 support
- DPU:
- Switch to use virtual planes by default
- Fix DSI CMD panels on DPU 3.x
- Rewrite format handling to remove intermediate representation
- Fix watchdog on DPU 8.x+
- Fix TE / Vsync source setting on DPU 8.x+
- Add 3D_Mux on SC7280
- Kaanapali platform support
- Fix UBWC register programming
- Make RM reserve DSPP-enabled mixers for CRTCs with LMs
- Gamma correction support
- DP:
- Enable support for eDP 1.4+ link rate tables
- Fix MDSS1 DP indices on SA8775P, making them to work
- Fix msm_dp_ctrl_config_msa() to work with LLVM 20
- DSI:
- Document QCS8300 as compatible with SA8775P
- Kaanapali platform support
- DSI PHY:
- switch to divider_determine_rate()
- MDP5:
- Drop support for MSM8998, SDM660 and SDM630 (switch over to DPU)
- MDSS:
- Kaanapali platform support
- Fixed UBWC register programming
nova-core:
- Prepare for Turing support. This includes parsing and handling
Turing-specific firmware headers and sections as well as a Turing
Falcon HAL implementation
- Get rid of the Result<impl PinInit<T, E>> anti-pattern
- Relocate initializer-specific code into the appropriate initializer
- Use CStr::from_bytes_until_nul() to remove custom helpers
- Improve handling of unexpected firmware values
- Clean up redundant debug prints
- Replace c_str!() with native Rust C-string literals
- Update nova-core task list
nova:
- Align GEM object size to system page size
tyr:
- Use generated uAPI bindings for GpuInfo
- Replace manual sleeps with read_poll_timeout()
- Replace c_str!() with native Rust C-string literals
- Suppress warnings for unread fields
- Fix incorrect register name in print statement
nouveau:
- fix big page table support races in PTE management
- improve reclocking on tegra 186+
amdxdna:
- fix suspend race conditions
- improve handling of zero tail pointers
- fix cu_idx overwritten during command setup
- enable hardware context priority
- remove NPU2 support
- update message buffer allocation requirements
- update firmware version check
ast:
- support imported cursor buffers
- big endian fixes
etnaviv:
- add PPU flop reset support
imagination:
- add AM62P support
- introduce hw version checks
ivpu:
- implement warm boot flow
panfrost:
- add bo sync ioctl
- add GPU_PM_RT support for RZ/G3E SoC
panthor:
- add bo sync ioctl
- enable timestamp propagation
- scheduler robustness improvements
- VM termination fixes
- huge page support
rockchip:
- RK3368 HDMI Support
- get rid of atomic_check fixups
- RK3506 support
- RK3576/RK3588 improved HPD handling
rz-du:
- RZ/V2H(P) MIPI-DSI Support
v3d:
- fix DMA segment size
- convert to new logging helpers
mediatek:
- move DP training to hotplug thread
- convert logging to new helpers
- add support for HS speed DSI
- Genio 510/700/1200-EVK, Radxa NIO-12L HDMI support
atmel-hlcdc:
- switch to drmm resource
- support nomodeset
- use newer helpers
hisilicon:
- fix various DP bugs
renesas:
- fix kernel panic on reboot
exynos:
- fix vidi_connection_ioctl using wrong device
- fix vidi_connection deref user ptr
- fix concurrency regression with vidi_context
vkms:
- add configfs support for display configuration
* tag 'drm-next-2026-02-11' of https://gitlab.freedesktop.org/drm/kernel: (1610 commits)
drm/xe/pm: Disable D3Cold for BMG only on specific platforms
drm/xe: Fix kerneldoc for xe_tlb_inval_job_alloc_dep
drm/xe: Fix kerneldoc for xe_gt_tlb_inval_init_early
drm/xe: Fix kerneldoc for xe_migrate_exec_queue
drm/xe/query: Fix topology query pointer advance
drm/xe/guc: Fix kernel-doc warning in GuC scheduler ABI header
drm/xe/guc: Fix CFI violation in debugfs access.
accel/amdxdna: Move RPM resume into job run function
accel/amdxdna: Fix incorrect DPM level after suspend/resume
nouveau/vmm: start tracking if the LPT PTE is valid. (v6)
nouveau/vmm: increase size of vmm pte tracker struct to u32 (v2)
nouveau/vmm: rewrite pte tracker using a struct and bitfields.
accel/amdxdna: Fix incorrect error code returned for failed chain command
accel/amdxdna: Remove hardware context status
drm/bridge: imx8qxp-pixel-combiner: Fix bailout for imx8qxp_pc_bridge_probe()
drm/panel: ilitek-ili9882t: Remove duplicate initializers in tianma_il79900a_dsc
drm/i915/display: fix the pixel normalization handling for xe3p_lpd
drm/exynos: vidi: use ctx->lock to protect struct vidi_context member variables related to memory alloc/free
drm/exynos: vidi: fix to avoid directly dereferencing user pointer
drm/exynos: vidi: use priv->vidi_dev for ctx lookup in vidi_connection_ioctl()
...
|
||
|
Linus Torvalds
|
a9aabb3b83 |
Rust changes for v6.20 / v7.0
Toolchain and infrastructure:
- Add '__rust_helper' annotation to the C helpers.
This is needed to inline these helpers into Rust code.
- Remove imports available via the prelude, treewide.
This was possible thanks to a new lint in Klint that Gary has
implemented -- more Klint-related changes, including initial upstream
support, are coming.
- Deduplicate pin-init flags.
'kernel' crate:
- Add support for calling a function exactly once with the new
'do_once_lite!' macro (and 'OnceLite' type).
Based on this, add 'pr_*_once!' macros to print only once.
- Add 'impl_flags!' macro for defining common bitflags operations:
impl_flags!(
/// Represents multiple permissions.
#[derive(Debug, Clone, Default, Copy, PartialEq, Eq)]
pub struct Permissions(u32);
/// Represents a single permission.
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
pub enum Permission {
/// Read permission.
Read = 1 << 0,
/// Write permission.
Write = 1 << 1,
/// Execute permission.
Execute = 1 << 2,
}
);
let mut f: Permissions = Permission::Read | Permission::Write;
assert!(f.contains(Permission::Read));
assert!(!f.contains(Permission::Execute));
f |= Permission::Execute;
assert!(f.contains(Permission::Execute));
let f2: Permissions = Permission::Write | Permission::Execute;
assert!((f ^ f2).contains(Permission::Read));
assert!(!(f ^ f2).contains(Permission::Write));
- 'bug' module: support 'CONFIG_DEBUG_BUGVERBOSE_DETAILED' in the
'warn_on!' macro in order to show the evaluated condition alongside
the file path:
------------[ cut here ]------------
WARNING: [val == 1] linux/samples/rust/rust_minimal.rs:27 at ...
Modules linked in: rust_minimal(+)
- Add safety module with 'unsafe_precondition_assert!' macro, currently
a wrapper for 'debug_assert!', intended to mark the validation of
safety preconditions where possible:
/// # Safety
///
/// The caller must ensure that `index` is less than `N`.
unsafe fn set_unchecked(&mut self, index: usize, value: T) {
unsafe_precondition_assert!(
index < N,
"set_unchecked() requires index ({index}) < N ({N})"
);
...
}
- Add instructions to 'build_assert!' documentation requesting to
always inline functions when used with function arguments.
- 'ptr' module: replace 'build_assert!' with a 'const' one.
- 'rbtree' module: reduce unsafe blocks on pointer derefs.
- 'transmute' module: implement 'FromBytes' and 'AsBytes' for
inhabited ZSTs, and use it in Nova.
- More treewide replacements of 'c_str!' with C string literals.
'macros' crate:
- Rewrite most procedural macros ('module!', 'concat_idents!',
'#[export]', '#[vtable]', '#[kunit_tests]') to use the 'syn' parsing
library which we introduced last cycle, with better diagnostics.
This also allows to support '#[cfg]' properly in the '#[vtable]'
macro, to support arbitrary types in 'module!' macro (not just an
identifier) and to remove several custom parsing helpers we had.
- Use 'quote!' from the recently vendored 'quote' library and remove
our custom one.
The vendored one also allows us to avoid quoting '"' and '{}' inside
the template anymore and editors can now highlight it. In addition,
it improves robustness as it eliminates the need for string quoting
and escaping.
- Use 'pin_init::zeroed()' to simplify KUnit code.
'pin-init' crate:
- Rewrite all procedural macros ('[pin_]init!', '#[pin_data]',
'#[pinned_drop]', 'derive([Maybe]Zeroable)') to use the 'syn' parsing
library which we introduced last cycle, with better diagnostics.
- Implement 'InPlaceWrite' for '&'static mut MaybeUninit<T>'. This
enables users to use external allocation mechanisms such as
'static_cell'.
- Support tuple structs in 'derive([Maybe]Zeroable)'.
- Support attributes on fields in '[pin_]init!' (such as
'#[cfg(...)]').
- Add a '#[default_error(<type>)]' attribute to '[pin_]init!' to
override the default error (when no '? Error' is specified).
- Support packed structs in '[pin_]init!' with
'#[disable_initialized_field_access]'.
- Remove 'try_[pin_]init!' in favor of merging their feature
with '[pin_]init!'. Update the kernel's own 'try_[pin_]init!'
macros to use the 'default_error' attribute.
- Correct 'T: Sized' bounds to 'T: ?Sized' in the generated
'PinnedDrop' check by '#[pin_data]'.
Documentation:
- Conclude the Rust experiment.
MAINTAINERS:
- Add "RUST [RUST-ANALYZER]" entry for the rust-analyzer support. Tamir
and Jesung will take care of it. They have both been active around it
for a while. The new tree will flow through the Rust one.
- Add Gary as maintainer for "RUST [PIN-INIT]".
- Update Boqun and Tamir emails to their kernel.org accounts.
And a few other cleanups and improvements.
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Merge tag 'rust-6.20-7.0' of git://git.kernel.org/pub/scm/linux/kernel/git/ojeda/linux
Pull rust updates from Miguel Ojeda:
"Toolchain and infrastructure:
- Add '__rust_helper' annotation to the C helpers
This is needed to inline these helpers into Rust code
- Remove imports available via the prelude, treewide
This was possible thanks to a new lint in Klint that Gary has
implemented -- more Klint-related changes, including initial
upstream support, are coming
- Deduplicate pin-init flags
'kernel' crate:
- Add support for calling a function exactly once with the new
'do_once_lite!' macro (and 'OnceLite' type)
Based on this, add 'pr_*_once!' macros to print only once
- Add 'impl_flags!' macro for defining common bitflags operations:
impl_flags!(
/// Represents multiple permissions.
#[derive(Debug, Clone, Default, Copy, PartialEq, Eq)]
pub struct Permissions(u32);
/// Represents a single permission.
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
pub enum Permission {
/// Read permission.
Read = 1 << 0,
/// Write permission.
Write = 1 << 1,
/// Execute permission.
Execute = 1 << 2,
}
);
let mut f: Permissions = Permission::Read | Permission::Write;
assert!(f.contains(Permission::Read));
assert!(!f.contains(Permission::Execute));
f |= Permission::Execute;
assert!(f.contains(Permission::Execute));
let f2: Permissions = Permission::Write | Permission::Execute;
assert!((f ^ f2).contains(Permission::Read));
assert!(!(f ^ f2).contains(Permission::Write));
- 'bug' module: support 'CONFIG_DEBUG_BUGVERBOSE_DETAILED' in the
'warn_on!' macro in order to show the evaluated condition alongside
the file path:
------------[ cut here ]------------
WARNING: [val == 1] linux/samples/rust/rust_minimal.rs:27 at ...
Modules linked in: rust_minimal(+)
- Add safety module with 'unsafe_precondition_assert!' macro,
currently a wrapper for 'debug_assert!', intended to mark the
validation of safety preconditions where possible:
/// # Safety
///
/// The caller must ensure that `index` is less than `N`.
unsafe fn set_unchecked(&mut self, index: usize, value: T) {
unsafe_precondition_assert!(
index < N,
"set_unchecked() requires index ({index}) < N ({N})"
);
...
}
- Add instructions to 'build_assert!' documentation requesting to
always inline functions when used with function arguments
- 'ptr' module: replace 'build_assert!' with a 'const' one
- 'rbtree' module: reduce unsafe blocks on pointer derefs
- 'transmute' module: implement 'FromBytes' and 'AsBytes' for
inhabited ZSTs, and use it in Nova
- More treewide replacements of 'c_str!' with C string literals
'macros' crate:
- Rewrite most procedural macros ('module!', 'concat_idents!',
'#[export]', '#[vtable]', '#[kunit_tests]') to use the 'syn'
parsing library which we introduced last cycle, with better
diagnostics
This also allows to support '#[cfg]' properly in the '#[vtable]'
macro, to support arbitrary types in 'module!' macro (not just an
identifier) and to remove several custom parsing helpers we had
- Use 'quote!' from the recently vendored 'quote' library and remove
our custom one
The vendored one also allows us to avoid quoting '"' and '{}'
inside the template anymore and editors can now highlight it. In
addition, it improves robustness as it eliminates the need for
string quoting and escaping
- Use 'pin_init::zeroed()' to simplify KUnit code
'pin-init' crate:
- Rewrite all procedural macros ('[pin_]init!', '#[pin_data]',
'#[pinned_drop]', 'derive([Maybe]Zeroable)') to use the 'syn'
parsing library which we introduced last cycle, with better
diagnostics
- Implement 'InPlaceWrite' for '&'static mut MaybeUninit<T>'. This
enables users to use external allocation mechanisms such as
'static_cell'
- Support tuple structs in 'derive([Maybe]Zeroable)'
- Support attributes on fields in '[pin_]init!' (such as
'#[cfg(...)]')
- Add a '#[default_error(<type>)]' attribute to '[pin_]init!' to
override the default error (when no '? Error' is specified)
- Support packed structs in '[pin_]init!' with
'#[disable_initialized_field_access]'
- Remove 'try_[pin_]init!' in favor of merging their feature with
'[pin_]init!'. Update the kernel's own 'try_[pin_]init!' macros to
use the 'default_error' attribute
- Correct 'T: Sized' bounds to 'T: ?Sized' in the generated
'PinnedDrop' check by '#[pin_data]'
Documentation:
- Conclude the Rust experiment
MAINTAINERS:
- Add "RUST [RUST-ANALYZER]" entry for the rust-analyzer support.
Tamir and Jesung will take care of it. They have both been active
around it for a while. The new tree will flow through the Rust one
- Add Gary as maintainer for "RUST [PIN-INIT]"
- Update Boqun and Tamir emails to their kernel.org accounts
And a few other cleanups and improvements"
* tag 'rust-6.20-7.0' of git://git.kernel.org/pub/scm/linux/kernel/git/ojeda/linux: (59 commits)
rust: safety: introduce `unsafe_precondition_assert!` macro
rust: add `impl_flags!` macro for defining common bitflag operations
rust: print: Add pr_*_once macros
rust: bug: Support DEBUG_BUGVERBOSE_DETAILED option
rust: print: Add support for calling a function exactly once
rust: kbuild: deduplicate pin-init flags
gpu: nova-core: remove imports available via prelude
rust: clk: replace `kernel::c_str!` with C-Strings
MAINTAINERS: Update my email address to @kernel.org
rust: macros: support `#[cfg]` properly in `#[vtable]` macro.
rust: kunit: use `pin_init::zeroed` instead of custom null value
rust: macros: rearrange `#[doc(hidden)]` in `module!` macro
rust: macros: allow arbitrary types to be used in `module!` macro
rust: macros: convert `#[kunit_tests]` macro to use `syn`
rust: macros: convert `concat_idents!` to use `syn`
rust: macros: convert `#[export]` to use `syn`
rust: macros: use `quote!` for `module!` macro
rust: macros: use `syn` to parse `module!` macro
rust: macros: convert `#[vtable]` macro to use `syn`
rust: macros: use `quote!` from vendored crate
...
|
||
|
Linus Torvalds
|
f17b474e36 |
bpf-next-7.0
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Merge tag 'bpf-next-7.0' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
Pull bpf updates from Alexei Starovoitov:
- Support associating BPF program with struct_ops (Amery Hung)
- Switch BPF local storage to rqspinlock and remove recursion detection
counters which were causing false positives (Amery Hung)
- Fix live registers marking for indirect jumps (Anton Protopopov)
- Introduce execution context detection BPF helpers (Changwoo Min)
- Improve verifier precision for 32bit sign extension pattern
(Cupertino Miranda)
- Optimize BTF type lookup by sorting vmlinux BTF and doing binary
search (Donglin Peng)
- Allow states pruning for misc/invalid slots in iterator loops (Eduard
Zingerman)
- In preparation for ASAN support in BPF arenas teach libbpf to move
global BPF variables to the end of the region and enable arena kfuncs
while holding locks (Emil Tsalapatis)
- Introduce support for implicit arguments in kfuncs and migrate a
number of them to new API. This is a prerequisite for cgroup
sub-schedulers in sched-ext (Ihor Solodrai)
- Fix incorrect copied_seq calculation in sockmap (Jiayuan Chen)
- Fix ORC stack unwind from kprobe_multi (Jiri Olsa)
- Speed up fentry attach by using single ftrace direct ops in BPF
trampolines (Jiri Olsa)
- Require frozen map for calculating map hash (KP Singh)
- Fix lock entry creation in TAS fallback in rqspinlock (Kumar
Kartikeya Dwivedi)
- Allow user space to select cpu in lookup/update operations on per-cpu
array and hash maps (Leon Hwang)
- Make kfuncs return trusted pointers by default (Matt Bobrowski)
- Introduce "fsession" support where single BPF program is executed
upon entry and exit from traced kernel function (Menglong Dong)
- Allow bpf_timer and bpf_wq use in all programs types (Mykyta
Yatsenko, Andrii Nakryiko, Kumar Kartikeya Dwivedi, Alexei
Starovoitov)
- Make KF_TRUSTED_ARGS the default for all kfuncs and clean up their
definition across the tree (Puranjay Mohan)
- Allow BPF arena calls from non-sleepable context (Puranjay Mohan)
- Improve register id comparison logic in the verifier and extend
linked registers with negative offsets (Puranjay Mohan)
- In preparation for BPF-OOM introduce kfuncs to access memcg events
(Roman Gushchin)
- Use CFI compatible destructor kfunc type (Sami Tolvanen)
- Add bitwise tracking for BPF_END in the verifier (Tianci Cao)
- Add range tracking for BPF_DIV and BPF_MOD in the verifier (Yazhou
Tang)
- Make BPF selftests work with 64k page size (Yonghong Song)
* tag 'bpf-next-7.0' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next: (268 commits)
selftests/bpf: Fix outdated test on storage->smap
selftests/bpf: Choose another percpu variable in bpf for btf_dump test
selftests/bpf: Remove test_task_storage_map_stress_lookup
selftests/bpf: Update task_local_storage/task_storage_nodeadlock test
selftests/bpf: Update task_local_storage/recursion test
selftests/bpf: Update sk_storage_omem_uncharge test
bpf: Switch to bpf_selem_unlink_nofail in bpf_local_storage_{map_free, destroy}
bpf: Support lockless unlink when freeing map or local storage
bpf: Prepare for bpf_selem_unlink_nofail()
bpf: Remove unused percpu counter from bpf_local_storage_map_free
bpf: Remove cgroup local storage percpu counter
bpf: Remove task local storage percpu counter
bpf: Change local_storage->lock and b->lock to rqspinlock
bpf: Convert bpf_selem_unlink to failable
bpf: Convert bpf_selem_link_map to failable
bpf: Convert bpf_selem_unlink_map to failable
bpf: Select bpf_local_storage_map_bucket based on bpf_local_storage
selftests/xsk: fix number of Tx frags in invalid packet
selftests/xsk: properly handle batch ending in the middle of a packet
bpf: Prevent reentrance into call_rcu_tasks_trace()
...
|
||
|
Linus Torvalds
|
958f7fb68c |
kmalloc_obj branch for v7.0-rc1
- Introduce kmalloc_obj*() family of type-based allocator APIs - checkpatch: Suggest kmalloc_obj family for sizeof allocations - coccinelle: Add kmalloc_objs conversion script -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQRSPkdeREjth1dHnSE2KwveOeQkuwUCaYosbAAKCRA2KwveOeQk u+pzAPwK+re4aOGay+muhKaA5omh0wFz20a/BxjJVcDfp3qBcwEAhG7YGZ2cITH9 7dFgStecoHtvg8eObMq+W4XVwWdmeQQ= =52iK -----END PGP SIGNATURE----- Merge tag 'kmalloc_obj-v7.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux Pull kmalloc_obj updates from Kees Cook: "Introduce the kmalloc_obj* family of APIs for switching to type-based kmalloc allocations, away from purely size-based allocations. Discussed on lkml, with you, and at Linux Plumbers. It's been in -next for the entire dev cycle. Before the merge window closes, I'd like to send the treewide change (generated from the Coccinelle script included here), which mechanically converts almost 20k callsites from kmalloc* to kmalloc_obj*: 8007 files changed, 19980 insertions(+), 20838 deletions(-) This change needed fixes for mismatched types (since now the return type from allocations is a pointer to the requested type, not "void *"), and I've been fixing these over the last 4 releases. These fixes have mostly been trivial mismatches with const qualifiers or accidentally identical sizes (e.g. same object size: "struct kvec" vs "struct iovec", or differing pointers to pointers), but I did catch one case of too-small allocation. Summary: - Introduce kmalloc_obj*() family of type-based allocator APIs - checkpatch: Suggest kmalloc_obj family for sizeof allocations - coccinelle: Add kmalloc_objs conversion script" * tag 'kmalloc_obj-v7.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: coccinelle: Add kmalloc_objs conversion script slab: Introduce kmalloc_flex() and family compiler_types: Introduce __flex_counter() and family checkpatch: Suggest kmalloc_obj family for sizeof allocations slab: Introduce kmalloc_obj() and family |
||
|
Linus Torvalds
|
72c395024d |
A slightly calmer cycle for docs this time around, though there is still a
fair amount going on, including:
- Some signs of life on the long-moribund Japanese translation
- Documentation on policies around the use of generative tools for patch
submissions, and a separate document intended for consumption by
generative tools.
- The completion of the move of the documentation tools to tools/docs. For
now we're leaving a /scripts/kernel-doc symlink behind to avoid breaking
scripts.
- Ongoing build-system work includes the incorporation of documentation in
Python code, better support for documenting variables, and lots of
improvements and fixes.
- Automatic linking of man-page references -- cat(1), for example -- to
the online pages in the HTML build.
...and the usual array of typo fixes and such.
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Merge tag 'docs-7.0' of git://git.kernel.org/pub/scm/linux/kernel/git/docs/linux
Pull documentation updates from Jonathan Corbet:
"A slightly calmer cycle for docs this time around, though there is
still a fair amount going on, including:
- Some signs of life on the long-moribund Japanese translation
- Documentation on policies around the use of generative tools for
patch submissions, and a separate document intended for consumption
by generative tools
- The completion of the move of the documentation tools to
tools/docs. For now we're leaving a /scripts/kernel-doc symlink
behind to avoid breaking scripts
- Ongoing build-system work includes the incorporation of
documentation in Python code, better support for documenting
variables, and lots of improvements and fixes
- Automatic linking of man-page references -- cat(1), for example --
to the online pages in the HTML build
...and the usual array of typo fixes and such"
* tag 'docs-7.0' of git://git.kernel.org/pub/scm/linux/kernel/git/docs/linux: (107 commits)
doc: development-process: add notice on testing
tools: sphinx-build-wrapper: improve its help message
docs: sphinx-build-wrapper: allow -v override -q
docs: kdoc: Fix pdfdocs build for tools
docs: ja_JP: process: translate 'Obtain a current source tree'
docs: fix 're-use' -> 'reuse' in documentation
docs: ioctl-number: fix a typo in ioctl-number.rst
docs: filesystems: ensure proc pid substitutable is complete
docs: automarkup.py: Skip common English words as C identifiers
Documentation: use a source-read extension for the index link boilerplate
docs: parse_features: make documentation more consistent
docs: add parse_features module documentation
docs: jobserver: do some documentation improvements
docs: add jobserver module documentation
docs: kabi: helpers: add documentation for each "enum" value
docs: kabi: helpers: add helper for debug bits 7 and 8
docs: kabi: system_symbols: end docstring phrases with a dot
docs: python: abi_regex: do some improvements at documentation
docs: python: abi_parser: do some improvements at documentation
docs: add kabi modules documentation
...
|
||
|
Amitabh Srivastava
|
6c5c07bc85 |
docs: process: maintainer-pgp-guide: update kernel.org docs link
Update http link to the documentation about how to add a kernel.org UID to the maintainer's key. Add missing SPDX-License-Identifier to fix a checkpatch warning. Signed-off-by: Amitabh Srivastava <amitabh@amidevlab.com> Reviewed-by: Konstantin Ryabitsev <konstantin@linuxfoundation.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <20260205115554.7795-1-amitabh@amidevlab.com> |
||
|
Dmitry Antipov
|
0a83293322 |
doc: development-process: add notice on testing
Add testing notice to "Before creating patches" section. Suggested-by: Andy Shevchenko <andriy.shevchenko@intel.com> Signed-off-by: Dmitry Antipov <dmantipov@yandex.ru> Acked-by: Randy Dunlap <rdunlap@infradead.org> Acked-by: Andy Shevchenko <andriy.shevchenko@intel.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <20260123071523.1392729-1-dmantipov@yandex.ru> |
||
|
Rhys Tumelty
|
78a00cac1e |
docs: fix 're-use' -> 'reuse' in documentation
Signed-off-by: Rhys Tumelty <rhys@tumelty.co.uk> Acked-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <20260128220233.179439-1-rhys@tumelty.co.uk> |
||
|
Dave Airlie
|
6704d98a4f |
Linux 6.19-rc7
-----BEGIN PGP SIGNATURE----- iQFSBAABCgA8FiEEq68RxlopcLEwq+PEeb4+QwBBGIYFAml2lQweHHRvcnZhbGRz QGxpbnV4LWZvdW5kYXRpb24ub3JnAAoJEHm+PkMAQRiG0dcH/2yLU3IKlHSSgEDL Qq3oBuRK/zoVOdy+CM+TmTdl2d1LnBd8J547xFStB7kVGf5mEkdFZdHLBSHRnKDf ia1SGec06kyLpRX6x5T6FsfwOhkBmVsp59X0coM57QWxxenybugtzPvDO2TQ8/G4 buixJI0jJVgwRwXNzWB4n2W6FxNGui2A7gEN2mjtvkM2t/aDkiDjEqB8ve0pZJX9 4EWhxOgRFzwWgkd/bY+4wgXVXEt3GtI+3VvNncRqLIO00A/AnZOYmH4S2RQUDszD IbyDscYYxloZcZMDXc3PN2WgD9DCGKuP3GpJGsOHbl0DN6JkqI9nwGsOFZKGVOeF vbajwPE= =iAOa -----END PGP SIGNATURE----- BackMerge tag 'v6.19-rc7' into drm-next Linux 6.19-rc7 This is needed for msm and rust trees. Signed-off-by: Dave Airlie <airlied@redhat.com> |
||
|
Dan Williams
|
102606402f |
Documentation: Project continuity
Document project continuity procedures. This is a plan for a plan for navigating events that affect the forward progress of the canonical Linux repository, torvalds/linux.git. It is a follow-up from Maintainer Summit [1]. Co-developed-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Reviewed-by: Miguel Ojeda <ojeda@kernel.org> Reviewed-by: Kees Cook <kees@kernel.org> Reviewed-by: Jiri Kosina <jkosina@suse.com> Reviewed-by: Steven Rostedt <rostedt@goodmis.org> Link: https://lwn.net/Articles/1050179/ [1] Signed-off-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
|
Jani Nikula
|
a592a36e49 |
Documentation: use a source-read extension for the index link boilerplate
The root document usually has a special :ref:`genindex` link to the generated index. This is also the case for Documentation/index.rst. The other index.rst files deeper in the directory hierarchy usually don't. For SPHINXDIRS builds, the root document isn't Documentation/index.rst, but some other index.rst in the hierarchy. Currently they have a ".. only::" block to add the index link when doing SPHINXDIRS html builds. This is obviously very tedious and repetitive. The link is also added to all index.rst files in the hierarchy for SPHINXDIRS builds, not just the root document. Put the boilerplate in a sphinx-includes/subproject-index.rst file, and include it at the end of the root document for subproject builds in an ad-hoc source-read extension defined in conf.py. For now, keep having the boilerplate in translations, because this approach currently doesn't cover translated index link headers. Cc: Jonathan Corbet <corbet@lwn.net> Cc: Mauro Carvalho Chehab <mchehab@kernel.org> Cc: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Tested-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Reviewed-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> [jc: did s/doctree/kern_doc_dir/ ] Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <20260123143149.2024303-1-jani.nikula@intel.com> |
||
|
Jonathan Corbet
|
eba6ffd126 |
docs: kdoc: move kernel-doc to tools/docs
kernel-doc is the last documentation-related tool still living outside of the tools/docs directory; the time has come to move it over. [mchehab: fixed kdoc lib location] Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <311d17e403524349940a8b12de6b5e91e554b1f4.1768823489.git.mchehab+huawei@kernel.org> |
||
|
junan
|
3c5fefc8f1 |
doc: kgdb: Add description about rodata=off kernel parameter
STRICT_KERNEL_RWX can not be turned off throught menuconfig on some architectures, pass "rodata=off" to the kernel in this case. Tested with qemu on arm64. Signed-off-by: junan <junan76@163.com> Suggested-by: Will Deacon <will@kernel.org> Reviewed-by: Daniel Thompson (RISCstar) <danielt@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <20260116050410.772340-2-junan76@163.com> |
||
|
Dave Hansen
|
a66437c279 |
Documentation: Provide guidelines for tool-generated content
In the last few years, the capabilities of coding tools have exploded. As those capabilities have expanded, contributors and maintainers have more and more questions about how and when to apply those capabilities. Add new Documentation to guide contributors on how to best use kernel development tools, new and old. Note, though, there are fundamentally no new or unique rules in this new document. It clarifies expectations that the kernel community has had for many years. For example, researchers are already asked to disclose the tools they use to find issues by Documentation/process/researcher-guidelines.rst. This new document just reiterates existing best practices for development tooling. In short: Please show your work and make sure your contribution is easy to review. Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com> Reviewed-by: Shuah Khan <shuah@kernel.org> Reviewed-by: Kees Cook <kees@kernel.org> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Reviewed-by: Miguel Ojeda <ojeda@kernel.org> Reviewed-by: Luis Chamberlain <mcgrof@kernel.org> Reviewed-by: SeongJae Park <sj@kernel.org> Reviewed-by: Dan Williams <dan.j.williams@intel.com> Reviewed-by: Steven Rostedt <rostedt@goodmis.org> Reviewed-by: Paul E. McKenney <paulmck@kernel.org> Reviewed-by: Simon Glass <simon.glass@canonical.com> Reviewed-by: Lee Jones <lee@kernel.org> Reviewed-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com> Cc: NeilBrown <neilb@ownmail.net> Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com> Cc: Dan Williams <dan.j.williams@intel.com> Cc: Theodore Ts'o <tytso@mit.edu> Cc: Sasha Levin <sashal@kernel.org> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Vlastimil Babka <vbabka@suse.cz> Cc: workflows@vger.kernel.org Cc: ksummit@lists.linux.dev Link: https://lore.kernel.org/all/cfb8bb96-e798-474d-bc6f-9cf610fe720f@lucifer.local/ -- Changes from v5: * Add more review tags * Add a blurb to the "special" asks bullet to mention that extra testing may be requested. * Reword the closing paragraph of "Out of Scope" section for clarity * Remove an "AI" and make small wording tweak (Jon) Changes from v4: * Modest tweaking and rewording to strengthen language * Add a section to help alleviate concerns that the document would not enable maintainers to act forcefully enough in the face of high-volume low-quality contributions (aka. AI slop). This is very close to some text that Lorenzo posted. I just made some very minor wording tweaks and spelling fixes. * Note: v4 mistakenly had "v3" in the subject Changes from v3: * Wording/formatting tweaks (Randy) Changes from v2: * Mention testing (Shuah) * Remove "very", rename LLM => coding assistant (Dan) * More formatting sprucing up and minor typos (Miguel) * Make changelog and text less flashy (Christian) * Tone down critical=>helpful (Neil) Changes from v1: * Rename to generated-content.rst and add to documentation index. (Jon) * Rework subject to align with the new filename * Replace commercial names with generic ones. (Jon) * Be consistent about punctuation at the end of bullets for whole sentences. (Miguel) * Formatting sprucing up and minor typos (Miguel) This document was a collaborative effort from all the members of the TAB. I just reformatted it into .rst and wrote the changelog. Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <20260119200418.89541-1-dave.hansen@linux.intel.com> |
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|
Miguel Ojeda
|
9fa7153c31 |
rust: conclude the Rust experiment
The Rust support was merged in v6.1 into mainline in order to help determine whether Rust as a language was suitable for the kernel, i.e. worth the tradeoffs, technically, procedurally and socially. At the 2025 Linux Kernel Maintainers Summit, the experiment has just been deemed concluded [1]. Thus remove the section -- it was not fully true already anyway, since there are already uses of Rust in production out there, some well-known Linux distributions enable it and it is already in millions of devices via Android. Obviously, this does not mean that everything works for every kernel configuration, architecture, toolchain etc., or that there won't be new issues. There is still a ton of work to do in all areas, from the kernel to upstream Rust, GCC and other projects. And, in fact, certain combinations (such as the mixed GCC+LLVM builds and the upcoming GCC support) are still quite experimental but getting there. But the experiment is done, i.e. Rust is here to stay. I hope this signals commitment from the kernel to companies and other entities to invest more into it, e.g. into giving time to their kernel developers to train themselves in Rust. Thanks to the many kernel maintainers that gave the project their support and patience throughout these years, and to the many other developers, whether in the kernel or in other projects, that have made this possible. I had a long list of 173 names in the credits of the original pull that merged the support into the kernel [2], and now such a list would be way longer, so I will not even try to compose one, but again, thanks a lot, everybody. Link: https://lwn.net/Articles/1050174/ [1] Link: https://git.kernel.org/linus/8aebac82933f [2] Reviewed-by: Gary Guo <gary@garyguo.net> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-by: Benno Lossin <lossin@kernel.org> Acked-by: Andreas Hindborg <a.hindborg@kernel.org> Acked-by: Danilo Krummrich <dakr@kernel.org> Reviewed-by: Boqun Feng <boqun.feng@gmail.com> Link: https://patch.msgid.link/20251213000042.23072-1-ojeda@kernel.org Signed-off-by: Miguel Ojeda <ojeda@kernel.org> |
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Simon Horman
|
ff77379468 |
docs: netdev: refine 15-patch limit
The 15 patch limit is intended by the maintainers to cover all outstanding patches on the mailing list on a per-tree basis. Not just those in a single patchset. Document this practice accordingly. Signed-off-by: Simon Horman <horms@kernel.org> Link: https://patch.msgid.link/20260115-15-minutes-of-fame-v2-1-70cbf0883aff@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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Petr Vorel
|
e5b1c0fa4f |
Documentation: Remove :manpage: from non-existing man pages
Removing :manpage: from non-existing man pages (xyzzy(2), xyzzyat(2), fxyzzy(3) in adding-syscalls.rst, including translations) prevent adding link to nonexisting man pages when using manpages_url in next commit. While at it, add also missing '(2)' in sp_SP translation. Reviewed-by: Alejandro Colomar <alx@kernel.org> Signed-off-by: Petr Vorel <pvorel@suse.cz> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <20260113113612.315748-2-pvorel@suse.cz> |
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Nauman Sabir
|
8913632998 |
Documentation: Fix typos and grammatical errors
Fix various typos and grammatical errors across documentation files: - Fix missing preposition 'in' in process/changes.rst - Correct 'result by' to 'result from' in admin-guide/README.rst - Fix 'before hand' to 'beforehand' in cgroup-v1/hugetlb.rst - Correct 'allows to limit' to 'allows limiting' in hugetlb.rst, cgroup-v2.rst, and kconfig-language.rst - Fix 'needs precisely know' to 'needs to precisely know' - Correct 'overcommited' to 'overcommitted' in hugetlb.rst - Fix subject-verb agreement: 'never causes' to 'never cause' - Fix 'there is enough' to 'there are enough' in hugetlb.rst - Fix 'metadatas' to 'metadata' in filesystems/erofs.rst - Fix 'hardwares' to 'hardware' in scsi/ChangeLog.sym53c8xx Signed-off-by: Nauman Sabir <officialnaumansabir@gmail.com> Acked-by: Tejun Heo <tj@kernel.org> Message-ID: <20260115230110.7734-1-officialnaumansabir@gmail.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net> |
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Alexei Starovoitov
|
e3d0dbb3b5 |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf after rc5
Cross-merge BPF and other fixes after downstream PR. No conflicts. Adjacent: Auto-merging MAINTAINERS Auto-merging Makefile Auto-merging kernel/bpf/verifier.c Auto-merging kernel/sched/ext.c Auto-merging mm/memcontrol.c Signed-off-by: Alexei Starovoitov <ast@kernel.org> |
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Kees Cook
|
e4c8b46b92 |
slab: Introduce kmalloc_flex() and family
As done for kmalloc_obj*(), introduce a type-aware allocator for flexible arrays, which may also have "counted_by" annotations: ptr = kmalloc(struct_size(ptr, flex_member, count), gfp); becomes: ptr = kmalloc_flex(*ptr, flex_member, count, gfp); The internal use of __flex_counter() allows for automatically setting the counter member of a struct's flexible array member when it has been annotated with __counted_by(), avoiding any missed early size initializations while __counted_by() annotations are added to the kernel. Additionally, this also checks for "too large" allocations based on the type size of the counter variable. For example: if (count > type_max(ptr->flex_counter)) fail...; size = struct_size(ptr, flex_member, count); ptr = kmalloc(size, gfp); if (!ptr) fail...; ptr->flex_counter = count; becomes (n.b. unchanged from earlier example): ptr = kmalloc_flex(*ptr, flex_member, count, gfp); if (!ptr) fail...; ptr->flex_counter = count; Note that manual initialization of the flexible array counter is still required (at some point) after allocation as not all compiler versions support the __counted_by annotation yet. But doing it internally makes sure they cannot be missed when __counted_by _is_ available, meaning that the bounds checker will not trip due to the lack of "early enough" initializations that used to work before enabling the stricter bounds checking. For example: ptr = kmalloc_flex(*ptr, flex_member, count, gfp); fill(ptr->flex, count); ptr->flex_count = count; This works correctly before adding a __counted_by annotation (since nothing is checking ptr->flex accesses against ptr->flex_count). After adding the annotation, the bounds sanitizer would trip during fill() because ptr->flex_count wasn't set yet. But with kmalloc_flex() setting ptr->flex_count internally at allocation time, the existing code works without needing to move the ptr->flex_count assignment before the call to fill(). (This has been a stumbling block for __counted_by adoption.) Link: https://patch.msgid.link/20251203233036.3212363-4-kees@kernel.org Acked-by: Vlastimil Babka <vbabka@suse.cz> Signed-off-by: Kees Cook <kees@kernel.org> |
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Kees Cook
|
2932ba8d9c |
slab: Introduce kmalloc_obj() and family
Introduce type-aware kmalloc-family helpers to replace the common idioms for single object and arrays of objects allocation: ptr = kmalloc(sizeof(*ptr), gfp); ptr = kmalloc(sizeof(struct some_obj_name), gfp); ptr = kzalloc(sizeof(*ptr), gfp); ptr = kmalloc_array(count, sizeof(*ptr), gfp); ptr = kcalloc(count, sizeof(*ptr), gfp); These become, respectively: ptr = kmalloc_obj(*ptr, gfp); ptr = kmalloc_obj(*ptr, gfp); ptr = kzalloc_obj(*ptr, gfp); ptr = kmalloc_objs(*ptr, count, gfp); ptr = kzalloc_objs(*ptr, count, gfp); Beyond the other benefits outlined below, the primary ergonomic benefit is the elimination of needing "sizeof" nor the type name, and the enforcement of assignment types (they do not return "void *", but rather a pointer to the type of the first argument). The type name _can_ be used, though, in the case where an assignment is indirect (e.g. via "return"). This additionally allows[1] variables to be declared via __auto_type: __auto_type ptr = kmalloc_obj(struct foo, gfp); Internal introspection of the allocated type now becomes possible, allowing for future alignment-aware choices to be made by the allocator and future hardening work that can be type sensitive. For example, adding __alignof(*ptr) as an argument to the internal allocators so that appropriate/efficient alignment choices can be made, or being able to correctly choose per-allocation offset randomization within a bucket that does not break alignment requirements. Link: https://lore.kernel.org/all/CAHk-=wiCOTW5UftUrAnvJkr6769D29tF7Of79gUjdQHS_TkF5A@mail.gmail.com/ [1] Acked-by: Vlastimil Babka <vbabka@suse.cz> Link: https://patch.msgid.link/20251203233036.3212363-1-kees@kernel.org Signed-off-by: Kees Cook <kees@kernel.org> |
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Krzysztof Kozlowski
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51183d3ff5
|
Documentation/process: maintainer-soc: Mark 'make' as commands
Improve readability of the docs by marking 'make dtbs/dtbs_check' as shell commands. Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com> Reviewed-by: Linus Walleij <linusw@kernel.org> Link: https://lore.kernel.org/r/20251223142726.73417-4-krzysztof.kozlowski@oss.qualcomm.com Signed-off-by: Arnd Bergmann <arnd@arndb.de> |
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Krzysztof Kozlowski
|
6efe5322f0
|
Documentation/process: maintainer-soc: Be more explicit about defconfig
It is already documented but people still send noticeable amount of patches ignoring the rule - get_maintainers.pl does not work on arm64/configs/defconfig or any other shared ARM defconfig. Be more explicit, that one must not rely on typical/simple approach here for getting To/Cc list. Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com> Reviewed-by: Linus Walleij <linusw@kernel.org> Link: https://lore.kernel.org/r/20251223142726.73417-3-krzysztof.kozlowski@oss.qualcomm.com Signed-off-by: Arnd Bergmann <arnd@arndb.de> |
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Sasha Levin
|
78d979db6c |
docs: add AI Coding Assistants documentation
Add guidance for AI assistants and developers using AI tools for kernel contributions, per the consensus reached at the 2025 Maintainers Summit. Create Documentation/process/coding-assistants.rst with detailed guidance on licensing, Signed-off-by requirements, and attribution format. The README points AI tools to this documentation. This will allow coding assistants to easily parse these instructions and comply with guidelines set by the community. Link: https://lwn.net/Articles/1049830/ Signed-off-by: Sasha Levin <sashal@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <20251223122110.2496946-1-sashal@kernel.org> |
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SeongJae Park
|
8a12e3fbf2 |
docs: submitting-patches: suggest adding previous version links
For review of patches that revisioned multiple times, patch changelogs are very useful. Adding actual links to the previous versions can further help the review. Using such links, reviewers can double check the changelog by themselves, and find previous discussions. Nowadays having such links (e.g., lore.kernel.org archive links) is easy and reliable. Suggest adding such links if available. Signed-off-by: SeongJae Park <sj@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <20251225015447.16387-1-sj@kernel.org> |
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Volodymyr Kot
|
5ce70894f6 |
Doc: correct spelling and wording mistakes
Fixed capitalization and punctuation in process documentation. Signed-off-by: Volodymyr Kot <volodymyr.kot.ua@gmail.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <20251225133911.87512-1-volodymyr.kot.ua@gmail.com> |
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|
Vincent Mailhol
|
4971ca2007 |
docs: process: email-client: add Thunderbird "Toggle Line Wrap" extension
While reading the git-format-patch manpages [1], I discovered the existence of the "Toggle Line Wrap" extension for Thunderbird which I found rather convenient. Looking at the history, the ancestor of this extension was added to the documentation in commit |
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Dave Airlie
|
6c8e404891 |
drm-misc-next for 6.19:
UAPI Changes:
- panfrost: Add PANFROST_BO_SYNC ioctl
- panthor: Add PANTHOR_BO_SYNC ioctl
Core Changes:
- atomic: Add drm_device pointer to drm_private_obj
- bridge: Introduce drm_bridge_unplug, drm_bridge_enter, and
drm_bridge_exit
- dma-buf: Improve sg_table debugging
- dma-fence: Add new helpers, and use them when needed
- dp_mst: Avoid out-of-bounds access with VCPI==0
- gem: Reduce page table overhead with transparent huge pages
- panic: Report invalid panic modes
- sched: Add TODO entries
- ttm: Various cleanups
- vblank: Various refactoring and cleanups
- Kconfig cleanups
- Removed support for kdb
Driver Changes:
- amdxdna: Fix race conditions at suspend, Improve handling of zero
tail pointers, Fix cu_idx being overwritten during command setup
- ast: Support imported cursor buffers
-
- panthor: Enable timestamp propagation, Multiple improvements and
fixes to improve the overall robustness, notably of the scheduler.
- panels:
- panel-edp: Support for CSW MNE007QB3-1, AUO B140HAN06.4, AUO B140QAX01.H
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Merge tag 'drm-misc-next-2025-12-12' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-next
drm-misc-next for 6.19:
UAPI Changes:
- panfrost: Add PANFROST_BO_SYNC ioctl
- panthor: Add PANTHOR_BO_SYNC ioctl
Core Changes:
- atomic: Add drm_device pointer to drm_private_obj
- bridge: Introduce drm_bridge_unplug, drm_bridge_enter, and
drm_bridge_exit
- dma-buf: Improve sg_table debugging
- dma-fence: Add new helpers, and use them when needed
- dp_mst: Avoid out-of-bounds access with VCPI==0
- gem: Reduce page table overhead with transparent huge pages
- panic: Report invalid panic modes
- sched: Add TODO entries
- ttm: Various cleanups
- vblank: Various refactoring and cleanups
- Kconfig cleanups
- Removed support for kdb
Driver Changes:
- amdxdna: Fix race conditions at suspend, Improve handling of zero
tail pointers, Fix cu_idx being overwritten during command setup
- ast: Support imported cursor buffers
-
- panthor: Enable timestamp propagation, Multiple improvements and
fixes to improve the overall robustness, notably of the scheduler.
- panels:
- panel-edp: Support for CSW MNE007QB3-1, AUO B140HAN06.4, AUO B140QAX01.H
Signed-off-by: Dave Airlie <airlied@redhat.com>
[airlied: fix mm conflict]
From: Maxime Ripard <mripard@redhat.com>
Link: https://patch.msgid.link/20251212-spectacular-agama-of-abracadabra-aaef32@penduick
|
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Willy Tarreau
|
ceddb2c001 |
Documentation: insist on the plain-text requirement for security reports
As the trend of AI-generated reports is growing, the trend of unreadable reports in gimmicky formats is following, and we cannot request that developers rely on online viewers to be able to read a security report full for formatting tags. Let's just insist on the plain text requirement a bit more. Signed-off-by: Willy Tarreau <w@1wt.eu> Signed-off-by: Ingo Molnar <mingo@kernel.org> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <20251129141741.19046-1-w@1wt.eu> |
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|
Uwe Kleine-König
|
273aa250f1 |
Documentation: Improve wording on requirements for a free Nitrokey
"listed in MAINTAINERS" is not enough to qualify for the free Nitrokey Start. You have to be listed in an M: entry. Mention that to reduce confusion for reviewers who wonder why their application fails. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com> Reviewed-by: Konstantin Ryabitsev <konstantin@linuxfoundation.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <20251203074349.1826233-2-u.kleine-koenig@baylibre.com> |
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|
Andy Shevchenko
|
197bbebd25 |
docs: Update documentation to avoid mentioning of kernel.h
For several years, and still ongoing, the kernel.h is being split to smaller and narrow headers to avoid "including everything" approach which is bad in many ways. Since that, documentation missed a few required updates to align with that work. Do it here. Note, language translations are left untouched and if anybody willing to help, please provide path(es) based on the updated English variant. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Randy Dunlap <rdunlap@infradead.org> Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org> Tested-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <20251126214709.2322314-1-andriy.shevchenko@linux.intel.com> |
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|
Ihor Solodrai
|
903922cfa0 |
lib/Kconfig.debug: Set the minimum required pahole version to v1.22
Subsequent patches in the series change vmlinux linking scripts to unconditionally pass --btf_encode_detached to pahole, which was introduced in v1.22 [1][2]. This change allows to remove PAHOLE_HAS_SPLIT_BTF Kconfig option and other checks of older pahole versions. [1] https://github.com/acmel/dwarves/releases/tag/v1.22 [2] https://lore.kernel.org/bpf/cbafbf4e-9073-4383-8ee6-1353f9e5869c@oracle.com/ Signed-off-by: Ihor Solodrai <ihor.solodrai@linux.dev> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Tested-by: Alan Maguire <alan.maguire@oracle.com> Acked-by: Eduard Zingerman <eddyz87@gmail.com> Acked-by: Nicolas Schier <nsc@kernel.org> Link: https://lore.kernel.org/bpf/20251219181825.1289460-1-ihor.solodrai@linux.dev |
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|
Thomas Zimmermann
|
7068d42048 |
fbcon: Remove fb_debug_enter/_leave from struct fb_ops
There are no implementations of fb_debug_enter and fb_debug_leave. Remove the callbacks from struct fb_ops and clean up the caller. The field save_graphics in fbcon_par is also no longer required. Remove it as well. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Simona Vetter <simona.vetter@ffwll.ch> Acked-by: Daniel Thompson (RISCstar) <danielt@kernel.org> Link: https://patch.msgid.link/20251125130634.1080966-6-tzimmermann@suse.de |
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|
Krzysztof Kozlowski
|
e36a7b1e17 |
docs: submitting-patches: Clarify that removal of Acks needs explanation too
The paragraph mentions only removal of Tested-by and Reviewed-by tags as action needing mentioning in patch changelog, so some developers treat it too literally. Acks, as a weaker form of review/approval, should rarely be removed, but if that happens it should be explained as well. Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <20251126081905.7684-2-krzysztof.kozlowski@oss.qualcomm.com> |
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|
Gabriele Ricciardi
|
2c62e2e874 |
coding-style: fix verb typo
In the Identation section there is a list of instructions in second-person. The offending line uses third-person singular. Signed-off-by: Gabriele Ricciardi <gricciardi-coding@pm.me> Acked-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <20251101223027.171874-1-gricciardi-coding@pm.me> |
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|
Bagas Sanjaya
|
ba2457109d |
Documentation: process: Also mention Sasha Levin as stable tree maintainer
Sasha has also maintaining stable branch in conjunction with Greg
since
|
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Bagas Sanjaya
|
44abc8fcbf |
Documentation: process: Arbitrarily bump kernel major version number
The big picture section of 2.Process.rst currently hardcodes major
version number to 5 since
|
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|
Linus Torvalds
|
ee2fe81cdc |
It has been a relatively busy cycle in docsland, with changes all over:
- Bring the kernel memory-model docs into the Sphinx build in the "literal
include" mode.
- Lots of build-infrastructure work, further cleaning up long-term
kernel-doc technical debt. The sphinx-pre-install tool has been
converted to Python and updated for current systems.
- A new tool to detect when documents have been moved and generate HTML
redirects; this can be used on kernel.org (or any other site hosting the
rendered docs) to avoid breaking links.
- Automated processing of the YAML files describing the netlink protocol.
- A significant update of the maintainer's PGP guide.
...and a seemingly endless series of typo fixes, build-problem fixes, etc.
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Merge tag 'docs-6.18' of git://git.lwn.net/linux
Pull documentation updates from Jonathan Corbet:
"It has been a relatively busy cycle in docsland, with changes all
over:
- Bring the kernel memory-model docs into the Sphinx build in the
"literal include" mode.
- Lots of build-infrastructure work, further cleaning up long-term
kernel-doc technical debt. The sphinx-pre-install tool has been
converted to Python and updated for current systems.
- A new tool to detect when documents have been moved and generate
HTML redirects; this can be used on kernel.org (or any other site
hosting the rendered docs) to avoid breaking links.
- Automated processing of the YAML files describing the netlink
protocol.
- A significant update of the maintainer's PGP guide.
... and a seemingly endless series of typo fixes, build-problem fixes,
etc"
* tag 'docs-6.18' of git://git.lwn.net/linux: (193 commits)
Documentation/features: Update feature lists for 6.17-rc7
docs: remove cdomain.py
Documentation/process: submitting-patches: fix typo in "were do"
docs: dev-tools/lkmm: Fix typo of missing file extension
Documentation: trace: histogram: Convert ftrace docs cross-reference
Documentation: trace: histogram-design: Wrap introductory note in note:: directive
Documentation: trace: historgram-design: Separate sched_waking histogram section heading and the following diagram
Documentation: trace: histogram-design: Trim trailing vertices in diagram explanation text
Documentation: trace: histogram: Fix histogram trigger subsection number order
docs: driver-api: fix spelling of "buses".
Documentation: fbcon: Use admonition directives
Documentation: fbcon: Reindent 8th step of attach/detach/unload
Documentation: fbcon: Add boot options and attach/detach/unload section headings
docs: filesystems: sysfs: add remaining top level sysfs directory descriptions
docs: filesystems: sysfs: clarify symlink destinations in dev and bus/devices descriptions
docs: filesystems: sysfs: remove top level sysfs net directory
docs: maintainer: Fix ambiguous subheading formatting
docs: kdoc: a few more dump_typedef() tweaks
docs: kdoc: remove redundant comment stripping in dump_typedef()
docs: kdoc: remove some dead code in dump_typedef()
...
|
||
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Linus Torvalds
|
07fdad3a93 |
Networking changes for 6.18.
Core & protocols
----------------
- Improve drop account scalability on NUMA hosts for RAW and UDP sockets
and the backlog, almost doubling the Pps capacity under DoS.
- Optimize the UDP RX performance under stress, reducing contention,
revisiting the binary layout of the involved data structs and
implementing NUMA-aware locking. This improves UDP RX performance by
an additional 50%, even more under extreme conditions.
- Add support for PSP encryption of TCP connections; this mechanism has
some similarities with IPsec and TLS, but offers superior HW offloads
capabilities.
- Ongoing work to support Accurate ECN for TCP. AccECN allows more than
one congestion notification signal per RTT and is a building block for
Low Latency, Low Loss, and Scalable Throughput (L4S).
- Reorganize the TCP socket binary layout for data locality, reducing
the number of touched cachelines in the fastpath.
- Refactor skb deferral free to better scale on large multi-NUMA hosts,
this improves TCP and UDP RX performances significantly on such HW.
- Increase the default socket memory buffer limits from 256K to 4M to
better fit modern link speeds.
- Improve handling of setups with a large number of nexthop, making dump
operating scaling linearly and avoiding unneeded synchronize_rcu() on
delete.
- Improve bridge handling of VLAN FDB, storing a single entry per bridge
instead of one entry per port; this makes the dump order of magnitude
faster on large switches.
- Restore IP ID correctly for encapsulated packets at GSO segmentation
time, allowing GRO to merge packets in more scenarios.
- Improve netfilter matching performance on large sets.
- Improve MPTCP receive path performance by leveraging recently
introduced core infrastructure (skb deferral free) and adopting recent
TCP autotuning changes.
- Allow bridges to redirect to a backup port when the bridge port is
administratively down.
- Introduce MPTCP 'laminar' endpoint that con be used only once per
connection and simplify common MPTCP setups.
- Add RCU safety to dst->dev, closing a lot of possible races.
- A significant crypto library API for SCTP, MPTCP and IPv6 SR, reducing
code duplication.
- Supports pulling data from an skb frag into the linear area of an XDP
buffer.
Things we sprinkled into general kernel code
--------------------------------------------
- Generate netlink documentation from YAML using an integrated
YAML parser.
Driver API
----------
- Support using IPv6 Flow Label in Rx hash computation and RSS queue
selection.
- Introduce API for fetching the DMA device for a given queue, allowing
TCP zerocopy RX on more H/W setups.
- Make XDP helpers compatible with unreadable memory, allowing more
easily building DevMem-enabled drivers with a unified XDP/skbs
datapath.
- Add a new dedicated ethtool callback enabling drivers to provide the
number of RX rings directly, improving efficiency and clarity in RX
ring queries and RSS configuration.
- Introduce a burst period for the health reporter, allowing better
handling of multiple errors due to the same root cause.
- Support for DPLL phase offset exponential moving average, controlling
the average smoothing factor.
Device drivers
--------------
- Add a new Huawei driver for 3rd gen NIC (hinic3).
- Add a new SpacemiT driver for K1 ethernet MAC.
- Add a generic abstraction for shared memory communication devices
(dibps)
- Ethernet high-speed NICs:
- nVidia/Mellanox:
- Use multiple per-queue doorbell, to avoid MMIO contention issues
- support adjacent functions, allowing them to delegate their
SR-IOV VFs to sibling PFs
- support RSS for IPSec offload
- support exposing raw cycle counters in PTP and mlx5
- support for disabling host PFs.
- Intel (100G, ice, idpf):
- ice: support for SRIOV VFs over an Active-Active link aggregate
- ice: support for firmware logging via debugfs
- ice: support for Earliest TxTime First (ETF) hardware offload
- idpf: support basic XDP functionalities and XSk
- Broadcom (bnxt):
- support Hyper-V VF ID
- dynamic SRIOV resource allocations for RoCE
- Meta (fbnic):
- support queue API, zero-copy Rx and Tx
- support basic XDP functionalities
- devlink health support for FW crashes and OTP mem corruptions
- expand hardware stats coverage to FEC, PHY, and Pause
- Wangxun:
- support ethtool coalesce options
- support for multiple RSS contexts
- Ethernet virtual:
- Macsec:
- replace custom netlink attribute checks with policy-level checks
- Bonding:
- support aggregator selection based on port priority
- Microsoft vNIC:
- use page pool fragments for RX buffers instead of full pages to
improve memory efficiency
- Ethernet NICs consumer, and embedded:
- Qualcomm: support Ethernet function for IPQ9574 SoC
- Airoha: implement wlan offloading via NPU
- Freescale
- enetc: add NETC timer PTP driver and add PTP support
- fec: enable the Jumbo frame support for i.MX8QM
- Renesas (R-Car S4): support HW offloading for layer 2 switching
- support for RZ/{T2H, N2H} SoCs
- Cadence (macb): support TAPRIO traffic scheduling
- TI:
- support for Gigabit ICSS ethernet SoC (icssm-prueth)
- Synopsys (stmmac): a lot of cleanups
- Ethernet PHYs:
- Support 10g-qxgmi phy-mode for AQR412C, Felix DSA and Lynx PCS
driver
- Support bcm63268 GPHY power control
- Support for Micrel lan8842 PHY and PTP
- Support for Aquantia AQR412 and AQR115
- CAN:
- a large CAN-XL preparation work
- reorganize raw_sock and uniqframe struct to minimize memory usage
- rcar_canfd: update the CAN-FD handling
- WiFi:
- extended Neighbor Awareness Networking (NAN) support
- S1G channel representation cleanup
- improve S1G support
- WiFi drivers:
- Intel (iwlwifi):
- major refactor and cleanup
- Broadcom (brcm80211):
- support for AP isolation
- RealTek (rtw88/89) rtw88/89:
- preparation work for RTL8922DE support
- MediaTek (mt76):
- HW restart improvements
- MLO support
- Qualcomm/Atheros (ath10k_
- GTK rekey fixes
- Bluetooth drivers:
- btusb: support for several new IDs for MT7925
- btintel: support for BlazarIW core
- btintel_pcie: support for _suspend() / _resume()
- btintel_pcie: support for Scorpious, Panther Lake-H484 IDs
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-next-6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
Pull networking updates from Paolo Abeni:
"Core & protocols:
- Improve drop account scalability on NUMA hosts for RAW and UDP
sockets and the backlog, almost doubling the Pps capacity under DoS
- Optimize the UDP RX performance under stress, reducing contention,
revisiting the binary layout of the involved data structs and
implementing NUMA-aware locking. This improves UDP RX performance
by an additional 50%, even more under extreme conditions
- Add support for PSP encryption of TCP connections; this mechanism
has some similarities with IPsec and TLS, but offers superior HW
offloads capabilities
- Ongoing work to support Accurate ECN for TCP. AccECN allows more
than one congestion notification signal per RTT and is a building
block for Low Latency, Low Loss, and Scalable Throughput (L4S)
- Reorganize the TCP socket binary layout for data locality, reducing
the number of touched cachelines in the fastpath
- Refactor skb deferral free to better scale on large multi-NUMA
hosts, this improves TCP and UDP RX performances significantly on
such HW
- Increase the default socket memory buffer limits from 256K to 4M to
better fit modern link speeds
- Improve handling of setups with a large number of nexthop, making
dump operating scaling linearly and avoiding unneeded
synchronize_rcu() on delete
- Improve bridge handling of VLAN FDB, storing a single entry per
bridge instead of one entry per port; this makes the dump order of
magnitude faster on large switches
- Restore IP ID correctly for encapsulated packets at GSO
segmentation time, allowing GRO to merge packets in more scenarios
- Improve netfilter matching performance on large sets
- Improve MPTCP receive path performance by leveraging recently
introduced core infrastructure (skb deferral free) and adopting
recent TCP autotuning changes
- Allow bridges to redirect to a backup port when the bridge port is
administratively down
- Introduce MPTCP 'laminar' endpoint that con be used only once per
connection and simplify common MPTCP setups
- Add RCU safety to dst->dev, closing a lot of possible races
- A significant crypto library API for SCTP, MPTCP and IPv6 SR,
reducing code duplication
- Supports pulling data from an skb frag into the linear area of an
XDP buffer
Things we sprinkled into general kernel code:
- Generate netlink documentation from YAML using an integrated YAML
parser
Driver API:
- Support using IPv6 Flow Label in Rx hash computation and RSS queue
selection
- Introduce API for fetching the DMA device for a given queue,
allowing TCP zerocopy RX on more H/W setups
- Make XDP helpers compatible with unreadable memory, allowing more
easily building DevMem-enabled drivers with a unified XDP/skbs
datapath
- Add a new dedicated ethtool callback enabling drivers to provide
the number of RX rings directly, improving efficiency and clarity
in RX ring queries and RSS configuration
- Introduce a burst period for the health reporter, allowing better
handling of multiple errors due to the same root cause
- Support for DPLL phase offset exponential moving average,
controlling the average smoothing factor
Device drivers:
- Add a new Huawei driver for 3rd gen NIC (hinic3)
- Add a new SpacemiT driver for K1 ethernet MAC
- Add a generic abstraction for shared memory communication
devices (dibps)
- Ethernet high-speed NICs:
- nVidia/Mellanox:
- Use multiple per-queue doorbell, to avoid MMIO contention
issues
- support adjacent functions, allowing them to delegate their
SR-IOV VFs to sibling PFs
- support RSS for IPSec offload
- support exposing raw cycle counters in PTP and mlx5
- support for disabling host PFs.
- Intel (100G, ice, idpf):
- ice: support for SRIOV VFs over an Active-Active link
aggregate
- ice: support for firmware logging via debugfs
- ice: support for Earliest TxTime First (ETF) hardware offload
- idpf: support basic XDP functionalities and XSk
- Broadcom (bnxt):
- support Hyper-V VF ID
- dynamic SRIOV resource allocations for RoCE
- Meta (fbnic):
- support queue API, zero-copy Rx and Tx
- support basic XDP functionalities
- devlink health support for FW crashes and OTP mem corruptions
- expand hardware stats coverage to FEC, PHY, and Pause
- Wangxun:
- support ethtool coalesce options
- support for multiple RSS contexts
- Ethernet virtual:
- Macsec:
- replace custom netlink attribute checks with policy-level
checks
- Bonding:
- support aggregator selection based on port priority
- Microsoft vNIC:
- use page pool fragments for RX buffers instead of full pages
to improve memory efficiency
- Ethernet NICs consumer, and embedded:
- Qualcomm: support Ethernet function for IPQ9574 SoC
- Airoha: implement wlan offloading via NPU
- Freescale
- enetc: add NETC timer PTP driver and add PTP support
- fec: enable the Jumbo frame support for i.MX8QM
- Renesas (R-Car S4):
- support HW offloading for layer 2 switching
- support for RZ/{T2H, N2H} SoCs
- Cadence (macb): support TAPRIO traffic scheduling
- TI:
- support for Gigabit ICSS ethernet SoC (icssm-prueth)
- Synopsys (stmmac): a lot of cleanups
- Ethernet PHYs:
- Support 10g-qxgmi phy-mode for AQR412C, Felix DSA and Lynx PCS
driver
- Support bcm63268 GPHY power control
- Support for Micrel lan8842 PHY and PTP
- Support for Aquantia AQR412 and AQR115
- CAN:
- a large CAN-XL preparation work
- reorganize raw_sock and uniqframe struct to minimize memory
usage
- rcar_canfd: update the CAN-FD handling
- WiFi:
- extended Neighbor Awareness Networking (NAN) support
- S1G channel representation cleanup
- improve S1G support
- WiFi drivers:
- Intel (iwlwifi):
- major refactor and cleanup
- Broadcom (brcm80211):
- support for AP isolation
- RealTek (rtw88/89) rtw88/89:
- preparation work for RTL8922DE support
- MediaTek (mt76):
- HW restart improvements
- MLO support
- Qualcomm/Atheros (ath10k):
- GTK rekey fixes
- Bluetooth drivers:
- btusb: support for several new IDs for MT7925
- btintel: support for BlazarIW core
- btintel_pcie: support for _suspend() / _resume()
- btintel_pcie: support for Scorpious, Panther Lake-H484 IDs"
* tag 'net-next-6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1536 commits)
net: stmmac: Add support for Allwinner A523 GMAC200
dt-bindings: net: sun8i-emac: Add A523 GMAC200 compatible
Revert "Documentation: net: add flow control guide and document ethtool API"
octeontx2-pf: fix bitmap leak
octeontx2-vf: fix bitmap leak
net/mlx5e: Use extack in set rxfh callback
net/mlx5e: Introduce mlx5e_rss_params for RSS configuration
net/mlx5e: Introduce mlx5e_rss_init_params
net/mlx5e: Remove unused mdev param from RSS indir init
net/mlx5: Improve QoS error messages with actual depth values
net/mlx5e: Prevent entering switchdev mode with inconsistent netns
net/mlx5: HWS, Generalize complex matchers
net/mlx5: Improve write-combining test reliability for ARM64 Grace CPUs
selftests/net: add tcp_port_share to .gitignore
Revert "net/mlx5e: Update and set Xon/Xoff upon MTU set"
net: add NUMA awareness to skb_attempt_defer_free()
net: use llist for sd->defer_list
net: make softnet_data.defer_count an atomic
selftests: drv-net: psp: add tests for destroying devices
selftests: drv-net: psp: add test for auto-adjusting TCP MSS
...
|
||
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Linus Torvalds
|
7f70725741 |
Kbuild updates for 6.18
- Extend modules.builtin.modinfo to include module aliases from MODULE_DEVICE_TABLE for builtin modules so that userspace tools (such as kmod) can verify that a particular module alias will be handled by a builtin module. - Bump the minimum version of LLVM for building the kernel to 15.0.0. - Upgrade several userspace API checks in headers_check.pl to errors. - Unify and consolidate CONFIG_WERROR / W=e handling. - Turn assembler and linker warnings into errors with CONFIG_WERROR / W=e. - Respect CONFIG_WERROR / W=e when building userspace programs (userprogs). - Enable -Werror unconditionally when building host programs (hostprogs). - Support copy_file_range() and data segment alignment in gen_init_cpio to improve performance on filesystems that support reflinks such as btrfs and XFS. - Miscellaneous small changes to scripts and configuration files. Signed-off-by: Nathan Chancellor <nathan@kernel.org> -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQR74yXHMTGczQHYypIdayaRccAalgUCaNrp6QAKCRAdayaRccAa ljxRAP4hYocKXeWsiJzkTB199P4QUGWf220a9elBmtdJEed07gD/VBnCbSOxG3RO vS8qbJHwxUFL7a+mDV8RIVXSt99NpAg= =psG/ -----END PGP SIGNATURE----- Merge tag 'kbuild-6.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kbuild/linux Pull Kbuild updates from Nathan Chancellor: - Extend modules.builtin.modinfo to include module aliases from MODULE_DEVICE_TABLE for builtin modules so that userspace tools (such as kmod) can verify that a particular module alias will be handled by a builtin module - Bump the minimum version of LLVM for building the kernel to 15.0.0 - Upgrade several userspace API checks in headers_check.pl to errors - Unify and consolidate CONFIG_WERROR / W=e handling - Turn assembler and linker warnings into errors with CONFIG_WERROR / W=e - Respect CONFIG_WERROR / W=e when building userspace programs (userprogs) - Enable -Werror unconditionally when building host programs (hostprogs) - Support copy_file_range() and data segment alignment in gen_init_cpio to improve performance on filesystems that support reflinks such as btrfs and XFS - Miscellaneous small changes to scripts and configuration files * tag 'kbuild-6.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kbuild/linux: (47 commits) modpost: Initialize builtin_modname to stop SIGSEGVs Documentation: kbuild: note CONFIG_DEBUG_EFI in reproducible builds kbuild: vmlinux.unstripped should always depend on .vmlinux.export.o modpost: Create modalias for builtin modules modpost: Add modname to mod_device_table alias scsi: Always define blogic_pci_tbl structure kbuild: extract modules.builtin.modinfo from vmlinux.unstripped kbuild: keep .modinfo section in vmlinux.unstripped kbuild: always create intermediate vmlinux.unstripped s390: vmlinux.lds.S: Reorder sections KMSAN: Remove tautological checks objtool: Drop noinstr hack for KCSAN_WEAK_MEMORY lib/Kconfig.debug: Drop CLANG_VERSION check from DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT riscv: Remove ld.lld version checks from many TOOLCHAIN_HAS configs riscv: Unconditionally use linker relaxation riscv: Remove version check for LTO_CLANG selects powerpc: Drop unnecessary initializations in __copy_inst_from_kernel_nofault() mips: Unconditionally select ARCH_HAS_CURRENT_STACK_POINTER arm64: Remove tautological LLVM Kconfig conditions ARM: Clean up definition of ARM_HAS_GROUP_RELOCS ... |
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Yash Suthar
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22014a2300 |
Documentation/process: submitting-patches: fix typo in "were do"
Fixes a typo in submitting-patches.rst: "were do" -> "where do" Signed-off-by: Yash Suthar <yashsuthar983@gmail.com> Acked-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <20250920190856.7394-1-yashsuthar983@gmail.com> |
||
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Nathan Chancellor
|
95ee3364b2 |
Linux 6.17-rc6
-----BEGIN PGP SIGNATURE----- iQFSBAABCgA8FiEEq68RxlopcLEwq+PEeb4+QwBBGIYFAmjHMcoeHHRvcnZhbGRz QGxpbnV4LWZvdW5kYXRpb24ub3JnAAoJEHm+PkMAQRiG5bwH/23w8iGB4hf7L/7Z e7blX42Pe9EXA1uK62iWmwEjDvBuJ7TmVfXH09qYJ56fj6/rJEdpQwtBMd4ypL81 QA/7lq5UEl0apPzMN86J8EHCzmjNzv7o+UtEd4C/hPFEZHZJa5Hqj9CBglSwSCEn fTkLk7Gl6s8SfzBQ/rXX6/ZChAB/RleVWabDlIQMDz++/+9DZ0aqphj+5bYSqysL ROQOaj4LOICuLfrup9J61hKNBoF7Dv3sO20vc+Iic0XHRPZ6/lKCnHgCUsqVIOOQ L4kDT7XKQg+n3ttjrMe84/8iHZdWtf8VMWrtniPT8e1YGYuMpavVplgIcFoFCoNm Qa7NPDs= =rZeT -----END PGP SIGNATURE----- gpgsig -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQR74yXHMTGczQHYypIdayaRccAalgUCaM3AYQAKCRAdayaRccAa lkrsAQCfR0LymE8Hq+Vfk65DK4qZxigaXGTfg5n3xlPhTAh/iQEA02N0/ReHOOdH nQde8709saIFE5axIMFvdWzbFPDtWwE= =eIkf -----END PGP SIGNATURE----- Merge 6.17-rc6 into kbuild-next Commit |
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Jonathan Corbet
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944df7a314 |
docs: update the guidance for Link: tags
As stated definitively by Linus, the use of Link: tags should be limited to situations where there is additional useful information to be found at the far end of the link. Update our documentation to reflect that policy, and to remove the suggestion for a Git hook to add those tags automatically. Link: https://lore.kernel.org/all/CAHk-=wh5AyuvEhNY9a57v-vwyr7EkPVRUKMPwj92yF_K0dJHVg@mail.gmail.com/ Cc: Linus Walleij <linus.walleij@linaro.org> Reviewed-by: Randy Dunlap <rdunlap@infradead.org> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <87segwyc3p.fsf@trenco.lwn.net> |
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Konstantin Ryabitsev
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f44a29784f |
Documentation: update maintainer-pgp-guide for latest best practices
Freshen up the maintainer PGP guide: - Bump minimum GnuPG version requirement from 2.2 to 2.4, since 2.2 is no longer maintained - All major hardware tokens now support Curve25519, so remove outdated ECC support callouts - Update hardware device recommendations (Nitrokey Pro 2 -> Nitrokey 3) - Broaden backup media terminology (USB thumb drive -> external media) - Update wording to follow vale's linter recommendations - Various minor wording improvements for clarity Signed-off-by: Konstantin Ryabitsev <konstantin@linuxfoundation.org> Reviewed-by: Paul Barker <paul@pbarker.dev> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <20250902-pgp-guide-updates-v1-1-62ac7312d3f9@linuxfoundation.org> |
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Jakub Kicinski
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dc896f853e |
docs: submitting-patches: adjust Fixes definition slightly
Every now and then people send stylistic patches and use Fixes purely to refer to a commit which added the ugly or unnecessary code. Reword the docs about Fixes. It should hopefully be enough to lead with the word "bug" rather than "issue". We can add more verbiage later, tho, let's try the word swap first. I always feel like the more words the smaller the chance someone will actually read the docs. Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <20250904144533.2146576-1-kuba@kernel.org> |
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Krzysztof Kozlowski
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d407ad36dd
|
Documentation/process: maintainer-soc: Use "DTS" instead of "devicetree"
Devicetree is a data structure and it is a bit generic term, because some treat Devicetree bindings as Devicetree. What the SoC maintainers profile is mentioning in ABI stability are the Devicetree sources, so DTS files. It is also more common during reviews to refer to these as per "DTS" instead "devicetree". Clarify that by using "DTS" name in few more places. Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Link: https://lore.kernel.org/r/20250812104154.42289-2-krzysztof.kozlowski@linaro.org Signed-off-by: Arnd Bergmann <arnd@arndb.de> |
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Jakub Kicinski
|
d23ad54de7 |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR (net-6.17-rc4). No conflicts. Adjacent changes: drivers/net/ethernet/intel/idpf/idpf_txrx.c |
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Nathan Chancellor
|
20c0989283
|
kbuild: Bump minimum version of LLVM for building the kernel to 15.0.0
s390 and x86 have required LLVM 15 since |