For the Rust 1.87.0 release, Clippy was expected to warn with:
error: use `core::ptr::eq` when comparing raw pointers
--> rust/kernel/list.rs:438:12
|
438 | if self.first == item {
| ^^^^^^^^^^^^^^^^^^ help: try: `core::ptr::eq(self.first, item)`
|
= help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_eq
= note: `-D clippy::ptr-eq` implied by `-D warnings`
= help: to override `-D warnings` add `#[allow(clippy::ptr_eq)]`
However, a backport to relax a bit the `clippy::ptr_eq` finally landed,
and thus Clippy did not warn by the time the release happened.
Thus remove the `allow`s added back then, which were added just in case
the backport did not land in time.
See commit a39f308709 ("rust: allow Rust 1.87.0's `clippy::ptr_eq`
lint") for details.
Link: https://github.com/rust-lang/rust/pull/140859 [1]
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Link: https://lore.kernel.org/r/20250520182125.806758-1-ojeda@kernel.org
[ Reworded for clarity. - Miguel ]
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Added:
- 'Wrapper<T>' trait for creating pin-initializers for wrapper structs
with a structurally pinned value such as 'UnsafeCell<T>' or
'MaybeUninit<T>'.
- 'MaybeZeroable' derive macro to try to derive 'Zeroable', but not
error if not all fields implement it. This is needed to derive
'Zeroable' for all bindgen-generated structs.
- 'unsafe fn cast_[pin_]init()' functions to unsafely change the
initialized type of an initializer. These are utilized by the
'Wrapper<T>' implementations.
Changed:
- Added support for visibility in 'Zeroable' derive macro.
- Added support for 'union's in 'Zeroable' derive macro.
Upstream dev news:
- The CI has been streamlined & some bugs with it have been fixed. I
also added new workflows to check if the user-space version and the
one in the kernel tree have diverged.
- I also started to use the issues [1] tab to keep track of any problems
or unexpected/unwanted things. This should help folks report and
diagnose issues w.r.t. 'pin-init' better.
[1]: https://github.com/rust-for-linux/pin-init/issues
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Merge tag 'pin-init-v6.16' of https://github.com/Rust-for-Linux/linux into rust-next
Pull pin-init updates from Benno Lossin:
"Added:
- 'Wrapper<T>' trait for creating pin-initializers for wrapper
structs with a structurally pinned value such as 'UnsafeCell<T>' or
'MaybeUninit<T>'.
- 'MaybeZeroable' derive macro to try to derive 'Zeroable', but not
error if not all fields implement it. This is needed to derive
'Zeroable' for all bindgen-generated structs.
- 'unsafe fn cast_[pin_]init()' functions to unsafely change the
initialized type of an initializer. These are utilized by the
'Wrapper<T>' implementations.
Changed:
- Added support for visibility in 'Zeroable' derive macro.
- Added support for 'union's in 'Zeroable' derive macro.
Upstream dev news:
- The CI has been streamlined & some bugs with it have been fixed. I
also added new workflows to check if the user-space version and the
one in the kernel tree have diverged.
- I also started to use the issues [1] tab to keep track of any
problems or unexpected/unwanted things. This should help folks
report and diagnose issues w.r.t. 'pin-init' better.
[1] https://github.com/rust-for-linux/pin-init/issues"
* tag 'pin-init-v6.16' of https://github.com/Rust-for-Linux/linux:
rust: pin-init: improve documentation for `Zeroable` derive macros
rust: pin-init: fix typos
rust: pin-init: add `MaybeZeroable` derive macro
rust: pin-init: allow `Zeroable` derive macro to also be applied to unions
rust: pin-init: allow `pub` fields in `derive(Zeroable)`
rust: pin-init: Update the structural pinning link in readme.
rust: pin-init: Update Changelog and Readme
rust: pin-init: Implement `Wrapper` for `UnsafePinned` behind feature flag.
rust: pin-init: Add the `Wrapper` trait.
rust: pin-init: add `cast_[pin_]init` functions to change the initialized type
rust: pin-init: examples: use `allow` instead of `expect`
rust: pin-init: examples: conditionally enable `feature(lint_reasons)`
rust: pin-init: internal: skip rustfmt formatting of kernel-only module
rust: pin-init: synchronize README.md
Introduce Rust support for the `xarray` data structure:
- Add a rust abstraction for the `xarray` data structure. This abstraction
allows rust code to leverage the `xarray` to store types that implement
`ForeignOwnable`. This support is a dependency for memory backing feature of
the rust null block driver, which is waiting to be merged.
- Set up an entry in MAINTAINERS for the xarray rust support. Patches will go
to the new rust xarray tree and then via the rust subsystem tree for now.
`kernel` crate:
- Allow `ForeignOwnable` to carry information about the pointed-to type. This
helps asserting alignment requirements for the pointer passed to the foreign
language.
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Merge tag 'rust-xarray-for-v6.16' of https://github.com/Rust-for-Linux/linux into rust-next
Pull XArray updates from Andreas Hindborg:
"Introduce Rust support for the 'xarray' data structure:
- Add a Rust abstraction for the 'xarray' data structure. This
abstraction allows Rust code to leverage the 'xarray' to store
types that implement 'ForeignOwnable'. This support is a dependency
for memory backing feature of the Rust null block driver, which is
waiting to be merged.
- Set up an entry in MAINTAINERS for the XArray Rust support. Patches
will go to the new Rust XArray tree and then via the Rust subsystem
tree for now.
'kernel' crate:
- Allow 'ForeignOwnable' to carry information about the pointed-to
type. This helps asserting alignment requirements for the pointer
passed to the foreign language."
* tag 'rust-xarray-for-v6.16' of https://github.com/Rust-for-Linux/linux:
MAINTAINERS: add entry for Rust XArray API
rust: xarray: Add an abstraction for XArray
rust: types: add `ForeignOwnable::PointedTo`
- Morph the rust hrtimer subsystem into the rust timekeeping subsystem,
covering delay, sleep, timekeeping, timers. This new subsystem has all the
relevant timekeeping C maintainers listed in the entry.
- Replace `Ktime` with `Delta` and `Instant` types to represent a duration of
time and a point in time.
- Temporarily add `Ktime` to `hrtimer` module to allow `hrtimer` to delay
converting to `Instant` and `Delta`.
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Merge tag 'rust-timekeeping-for-v6.16-v2' of https://github.com/Rust-for-Linux/linux into rust-next
Pull timekeeping updates from Andreas Hindborg:
- Morph the Rust hrtimer subsystem into the Rust timekeeping subsystem,
covering delay, sleep, timekeeping, timers. This new subsystem has
all the relevant timekeeping C maintainers listed in the entry.
- Replace 'Ktime' with 'Delta' and 'Instant' types to represent a
duration of time and a point in time.
- Temporarily add 'Ktime' to 'hrtimer' module to allow 'hrtimer' to
delay converting to 'Instant' and 'Delta'.
* tag 'rust-timekeeping-for-v6.16-v2' of https://github.com/Rust-for-Linux/linux:
MAINTAINERS: rust: Add a new section for all of the time stuff
rust: time: Introduce Instant type
rust: time: Introduce Delta type
rust: time: Add PartialEq/Eq/PartialOrd/Ord trait to Ktime
rust: hrtimer: Add Ktime temporarily
Some comments in Rust files use raw URLs (http://example.com) rather
than Markdown autolinks <URL>. This inconsistency makes the
documentation less uniform and harder to maintain.
This patch converts all remaining raw URLs in Rust code comments to use
the Markdown autolink format, maintaining consistency with the rest of
the codebase which already uses this style.
Suggested-by: Miguel Ojeda <ojeda@kernel.org>
Link: https://github.com/Rust-for-Linux/linux/issues/1153
Signed-off-by: Xizhe Yin <xizheyin@smail.nju.edu.cn>
Link: https://lore.kernel.org/r/509F0B66E3C1575D+20250407033441.5567-1-xizheyin@smail.nju.edu.cn
[ Used From form for Signed-off-by. Sorted tags. - Miguel ]
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
We track the details of which Rust features we use at our usual "live
list" [1] (and its sub-lists), but in light of a discussion in the LWN
article [2], it would help to clarify it in the source code.
In particular, we are very close to rely only on stable Rust language-wise
-- essentially only two language features remain (including the `kernel`
crate).
Thus add some details in both the feature list of the `kernel` crate as
well as the list of allowed features.
This does not over every single feature, and there are quite a few
non-language features that we use too. To have the full picture, please
refer to [1].
Link: https://github.com/Rust-for-Linux/linux/issues/2 [1]
Link: https://lwn.net/Articles/1015409/ [2]
Suggested-by: Andreas Hindborg <a.hindborg@kernel.org>
Reviewed-by: Benno Lossin <benno.lossin@proton.me>
Link: https://lore.kernel.org/r/20250327211302.286313-1-ojeda@kernel.org
[ Improved comments with suggestions from the list. - Miguel ]
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
The `kernel` prelude brings `Result` and the error codes; and the prelude
itself is already available in the examples automatically.
In addition, `Result` already defaults to `T = ()`.
Thus simplify.
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Link: https://lore.kernel.org/r/20250429151445.438977-1-ojeda@kernel.org
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Add an optional panic message to the `static_assert!` macro.
The panic message doesn't support argument formatting, because the
`assert!` macro only supports formatting in non-const contexts.
Suggested-by: Miguel Ojeda <ojeda@kernel.org>
Link: https://github.com/Rust-for-Linux/linux/issues/1149
Signed-off-by: Altan Ozlu <altan@ozlu.eu>
Reviewed-by: Benno Lossin <benno.lossin@proton.me>
Reviewed-by: Trevor Gross <tmgross@umich.edu>
Link: https://lore.kernel.org/r/20250326202520.1176162-2-altan@ozlu.eu
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Sometimes kernel developers use `//` for documenting private items,
since those do not get rendered at the moment.
That is reasonable, but the intention behind `///` (and `//!`) vs. `//`
is to convey the distinction between documentation and other kinds of
comments, such as implementation details or TODOs.
It also increases consistency with the public items and thus e.g. allows
to change visibility of an item with less changes involved.
It is not just useful for human readers, but also tooling. For instance,
we may want to eventually generate documentation for private items
(perhaps as a toggle in the HTML UI). On top of that, `rustdoc` lints
as usual for those, too, so we may want to do it even if we do not use
the result.
Thus document this explicitly.
Link: https://lore.kernel.org/rust-for-linux/CANiq72n_C7exSOMe5yf-7jKKnhSCv+a9QcD=OE2B_Q2UFBL3Xg@mail.gmail.com/
Link: https://github.com/Rust-for-Linux/linux/issues/1157
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Reviewed-by: Christian Schrefl <chrisi.schrefl@gmail.com>
Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
Link: https://lore.kernel.org/r/20250416112454.2503872-1-ojeda@kernel.org
[ Fixed typo. - Miguel ]
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
When build the kernel using the llvm-18.1.3-rust-1.85.0-x86_64
with ARCH=arm64, the following symbols are generated:
$nm vmlinux | grep ' _R'.*Page | rustfilt
ffff8000805b6f98 T <kernel::page::Page>::alloc_page
ffff8000805b715c T <kernel::page::Page>::fill_zero_raw
ffff8000805b720c T <kernel::page::Page>::copy_from_user_slice_raw
ffff8000805b6fb4 T <kernel::page::Page>::read_raw
ffff8000805b7088 T <kernel::page::Page>::write_raw
ffff8000805b72fc T <kernel::page::Page as core::ops::drop::Drop>::drop
These Rust symbols(alloc_page and drop) are trivial wrappers around the C
functions alloc_pages and __free_pages. It doesn't make sense to go
through a trivial wrapper for these functions, so mark them inline.
Link: https://github.com/Rust-for-Linux/linux/issues/1145
Suggested-by: Alice Ryhl <aliceryhl@google.com>
Co-developed-by: Grace Deng <Grace.Deng006@Gmail.com>
Signed-off-by: Grace Deng <Grace.Deng006@Gmail.com>
Signed-off-by: Kunwu Chan <kunwu.chan@hotmail.com>
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Link: https://lore.kernel.org/r/20250321080124.484647-1-kunwu.chan@linux.dev
[ Removed spurious colon in title. - Miguel ]
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
* Avoid use of uninitialized memcache pointer in user_mem_abort()
* Always set HCR_EL2.xMO bits when running in VHE, allowing interrupts
to be taken while TGE=0 and fixing an ugly bug on AmpereOne that
occurs when taking an interrupt while clearing the xMO bits
(AC03_CPU_36)
* Prevent VMMs from hiding support for AArch64 at any EL virtualized by
KVM
* Save/restore the host value for HCRX_EL2 instead of restoring an
incorrect fixed value
* Make host_stage2_set_owner_locked() check that the entire requested
range is memory rather than just the first page
RISC-V:
* Add missing reset of smstateen CSRs
x86:
* Forcibly leave SMM on SHUTDOWN interception on AMD CPUs to avoid causing
problems due to KVM stuffing INIT on SHUTDOWN (KVM needs to sanitize the
VMCB as its state is undefined after SHUTDOWN, emulating INIT is the
least awful choice).
* Track the valid sync/dirty fields in kvm_run as a u64 to ensure KVM
KVM doesn't goof a sanity check in the future.
* Free obsolete roots when (re)loading the MMU to fix a bug where
pre-faulting memory can get stuck due to always encountering a stale
root.
* When dumping GHCB state, use KVM's snapshot instead of the raw GHCB page
to print state, so that KVM doesn't print stale/wrong information.
* When changing memory attributes (e.g. shared <=> private), add potential
hugepage ranges to the mmu_invalidate_range_{start,end} set so that KVM
doesn't create a shared/private hugepage when the the corresponding
attributes will become mixed (the attributes are commited *after* KVM
finishes the invalidation).
* Rework the SRSO mitigation to enable BP_SPEC_REDUCE only when KVM has at
least one active VM. Effectively BP_SPEC_REDUCE when KVM is loaded led
to very measurable performance regressions for non-KVM workloads.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull KVM fixes from Paolo Bonzini:
"ARM:
- Avoid use of uninitialized memcache pointer in user_mem_abort()
- Always set HCR_EL2.xMO bits when running in VHE, allowing
interrupts to be taken while TGE=0 and fixing an ugly bug on
AmpereOne that occurs when taking an interrupt while clearing the
xMO bits (AC03_CPU_36)
- Prevent VMMs from hiding support for AArch64 at any EL virtualized
by KVM
- Save/restore the host value for HCRX_EL2 instead of restoring an
incorrect fixed value
- Make host_stage2_set_owner_locked() check that the entire requested
range is memory rather than just the first page
RISC-V:
- Add missing reset of smstateen CSRs
x86:
- Forcibly leave SMM on SHUTDOWN interception on AMD CPUs to avoid
causing problems due to KVM stuffing INIT on SHUTDOWN (KVM needs to
sanitize the VMCB as its state is undefined after SHUTDOWN,
emulating INIT is the least awful choice).
- Track the valid sync/dirty fields in kvm_run as a u64 to ensure KVM
KVM doesn't goof a sanity check in the future.
- Free obsolete roots when (re)loading the MMU to fix a bug where
pre-faulting memory can get stuck due to always encountering a
stale root.
- When dumping GHCB state, use KVM's snapshot instead of the raw GHCB
page to print state, so that KVM doesn't print stale/wrong
information.
- When changing memory attributes (e.g. shared <=> private), add
potential hugepage ranges to the mmu_invalidate_range_{start,end}
set so that KVM doesn't create a shared/private hugepage when the
the corresponding attributes will become mixed (the attributes are
commited *after* KVM finishes the invalidation).
- Rework the SRSO mitigation to enable BP_SPEC_REDUCE only when KVM
has at least one active VM. Effectively BP_SPEC_REDUCE when KVM is
loaded led to very measurable performance regressions for non-KVM
workloads"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: SVM: Set/clear SRSO's BP_SPEC_REDUCE on 0 <=> 1 VM count transitions
KVM: arm64: Fix memory check in host_stage2_set_owner_locked()
KVM: arm64: Kill HCRX_HOST_FLAGS
KVM: arm64: Properly save/restore HCRX_EL2
KVM: arm64: selftest: Don't try to disable AArch64 support
KVM: arm64: Prevent userspace from disabling AArch64 support at any virtualisable EL
KVM: arm64: Force HCR_EL2.xMO to 1 at all times in VHE mode
KVM: arm64: Fix uninitialized memcache pointer in user_mem_abort()
KVM: x86/mmu: Prevent installing hugepages when mem attributes are changing
KVM: SVM: Update dump_ghcb() to use the GHCB snapshot fields
KVM: RISC-V: reset smstateen CSRs
KVM: x86/mmu: Check and free obsolete roots in kvm_mmu_reload()
KVM: x86: Check that the high 32bits are clear in kvm_arch_vcpu_ioctl_run()
KVM: SVM: Forcibly leave SMM mode on SHUTDOWN interception
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'x86-urgent-2025-05-11' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fix from Ingo Molnar:
"Fix a boot regression on very old x86 CPUs without CPUID support"
* tag 'x86-urgent-2025-05-11' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/microcode: Consolidate the loader enablement checking
- Fix time keeping bugs in CLOCK_MONOTONIC_COARSE clocks
- Work around absolute relocations into vDSO code that
GCC erroneously emits in certain arm64 build environments
- Fix a false positive lockdep warning in the i8253 clocksource
driver
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'timers-urgent-2025-05-11' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull misc timers fixes from Ingo Molnar:
- Fix time keeping bugs in CLOCK_MONOTONIC_COARSE clocks
- Work around absolute relocations into vDSO code that GCC erroneously
emits in certain arm64 build environments
- Fix a false positive lockdep warning in the i8253 clocksource driver
* tag 'timers-urgent-2025-05-11' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
clocksource/i8253: Use raw_spinlock_irqsave() in clockevent_i8253_disable()
arm64: vdso: Work around invalid absolute relocations from GCC
timekeeping: Prevent coarse clocks going backwards
- Synaptics touchpad on multiple laptops (Dynabook Portege X30L-G,
Dynabook Portege X30-D, TUXEDO InfinityBook Pro 14 v5, Dell
Precision M3800, HP Elitebook 850 G1) switched from PS/2 to SMBus mode
- a number of new controllers added to xpad driver: HORI Drum
controller, PowerA Fusion Pro 4, PowerA MOGA XP-Ultra controller,
8BitDo Ultimate 2 Wireless Controller, 8BitDo Ultimate 3-mode
Controller, Hyperkin DuchesS Xbox One controller
- fixes to xpad driver to properly handle Mad Catz JOYTECH NEO SE
Advanced and PDP Mirror's Edge Official controllers
- fixes to xpad driver to properly handle "Share" button on some
controllers
- a fix for device initialization timing and for waking up the
controller in cyttsp5 driver
- a fix for hisi_powerkey driver to properly wake up from s2idle state
- other assorted cleanups and fixes.
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Merge tag 'input-for-v6.15-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input fixes from Dmitry Torokhov:
- Synaptics touchpad on multiple laptops (Dynabook Portege X30L-G,
Dynabook Portege X30-D, TUXEDO InfinityBook Pro 14 v5, Dell Precision
M3800, HP Elitebook 850 G1) switched from PS/2 to SMBus mode
- a number of new controllers added to xpad driver: HORI Drum
controller, PowerA Fusion Pro 4, PowerA MOGA XP-Ultra controller,
8BitDo Ultimate 2 Wireless Controller, 8BitDo Ultimate 3-mode
Controller, Hyperkin DuchesS Xbox One controller
- fixes to xpad driver to properly handle Mad Catz JOYTECH NEO SE
Advanced and PDP Mirror's Edge Official controllers
- fixes to xpad driver to properly handle "Share" button on some
controllers
- a fix for device initialization timing and for waking up the
controller in cyttsp5 driver
- a fix for hisi_powerkey driver to properly wake up from s2idle state
- other assorted cleanups and fixes
* tag 'input-for-v6.15-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: xpad - fix xpad_device sorting
Input: xpad - add support for several more controllers
Input: xpad - fix Share button on Xbox One controllers
Input: xpad - fix two controller table values
Input: hisi_powerkey - enable system-wakeup for s2idle
Input: synaptics - enable InterTouch on Dell Precision M3800
Input: synaptics - enable InterTouch on TUXEDO InfinityBook Pro 14 v5
Input: synaptics - enable InterTouch on Dynabook Portege X30L-G
Input: synaptics - enable InterTouch on Dynabook Portege X30-D
Input: synaptics - enable SMBus for HP Elitebook 850 G1
Input: mtk-pmic-keys - fix possible null pointer dereference
Input: xpad - add support for 8BitDo Ultimate 2 Wireless Controller
Input: cyttsp5 - fix power control issue on wakeup
MAINTAINERS: .mailmap: update Mattijs Korpershoek's email address
dt-bindings: mediatek,mt6779-keypad: Update Mattijs' email address
Input: stmpe-ts - use module alias instead of device table
Input: cyttsp5 - ensure minimum reset pulse width
Input: sparcspkr - avoid unannotated fall-through
input/joystick: magellan: Mark __nonstring look-up table
* Mark set_high_memory() as __init to fix section mismatch
* Accept memory allocated in memblock_double_array() to mitigate crash of SNP
guests
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Merge tag 'fixes-2025-05-11' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock
Pull memblock fixes from Mike Rapoport:
- Mark set_high_memory() as __init to fix section mismatch
- Accept memory allocated in memblock_double_array() to mitigate crash
of SNP guests
* tag 'fixes-2025-05-11' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock:
memblock: Accept allocated memory before use in memblock_double_array()
mm,mm_init: Mark set_high_memory as __init
A recent commit put one entry in the wrong place. This just moves it to the
right place.
Signed-off-by: Vicki Pfau <vi@endrift.com>
Link: https://lore.kernel.org/r/20250328234345.989761-5-vi@endrift.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This adds support for several new controllers, all of which include
Share buttons:
- HORI Drum controller
- PowerA Fusion Pro 4
- 8BitDo Ultimate 3-mode Controller
- Hyperkin DuchesS Xbox One controller
- PowerA MOGA XP-Ultra controller
Signed-off-by: Vicki Pfau <vi@endrift.com>
Link: https://lore.kernel.org/r/20250328234345.989761-4-vi@endrift.com
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
The Share button, if present, is always one of two offsets from the end of the
file, depending on the presence of a specific interface. As we lack parsing for
the identify packet we can't automatically determine the presence of that
interface, but we can hardcode which of these offsets is correct for a given
controller.
More controllers are probably fixable by adding the MAP_SHARE_BUTTON in the
future, but for now I only added the ones that I have the ability to test
directly.
Signed-off-by: Vicki Pfau <vi@endrift.com>
Link: https://lore.kernel.org/r/20250328234345.989761-2-vi@endrift.com
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Two controllers -- Mad Catz JOYTECH NEO SE Advanced and PDP Mirror's
Edge Official -- were missing the value of the mapping field, and thus
wouldn't detect properly.
Signed-off-by: Vicki Pfau <vi@endrift.com>
Link: https://lore.kernel.org/r/20250328234345.989761-1-vi@endrift.com
Fixes: 540602a43a ("Input: xpad - add a few new VID/PID combinations")
Fixes: 3492321e2e ("Input: xpad - add multiple supported devices")
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
To wake up the system from s2idle when pressing the power-button, let's
convert from using pm_wakeup_event() to pm_wakeup_dev_event(), as it allows
us to specify the "hard" in-parameter, which needs to be set for s2idle.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Link: https://lore.kernel.org/r/20250306115021.797426-1-ulf.hansson@linaro.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
or aren't considered necessary for -stable kernels.
About half are for MM. Five OCFS2 fixes and a few MAINTAINERS updates.
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Merge tag 'mm-hotfixes-stable-2025-05-10-14-23' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc hotfixes from Andrew Morton:
"22 hotfixes. 13 are cc:stable and the remainder address post-6.14
issues or aren't considered necessary for -stable kernels.
About half are for MM. Five OCFS2 fixes and a few MAINTAINERS updates"
* tag 'mm-hotfixes-stable-2025-05-10-14-23' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (22 commits)
mm: fix folio_pte_batch() on XEN PV
nilfs2: fix deadlock warnings caused by lock dependency in init_nilfs()
mm/hugetlb: copy the CMA flag when demoting
mm, swap: fix false warning for large allocation with !THP_SWAP
selftests/mm: fix a build failure on powerpc
selftests/mm: fix build break when compiling pkey_util.c
mm: vmalloc: support more granular vrealloc() sizing
tools/testing/selftests: fix guard region test tmpfs assumption
ocfs2: stop quota recovery before disabling quotas
ocfs2: implement handshaking with ocfs2 recovery thread
ocfs2: switch osb->disable_recovery to enum
mailmap: map Uwe's BayLibre addresses to a single one
MAINTAINERS: add mm THP section
mm/userfaultfd: fix uninitialized output field for -EAGAIN race
selftests/mm: compaction_test: support platform with huge mount of memory
MAINTAINERS: add core mm section
ocfs2: fix panic in failed foilio allocation
mm/huge_memory: fix dereferencing invalid pmd migration entry
MAINTAINERS: add reverse mapping section
x86: disable image size check for test builds
...
Here is a single driver core fix for a regression for platform devices
that is a regression from a change that went into 6.15-rc1 that affected
Pixel devices. It has been in linux-next for over a week with no
reported problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-6.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/driver-core/driver-core
Pull driver core fix from Greg KH:
"Here is a single driver core fix for a regression for platform devices
that is a regression from a change that went into 6.15-rc1 that
affected Pixel devices. It has been in linux-next for over a week with
no reported problems"
* tag 'driver-core-6.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/driver-core/driver-core:
platform: Fix race condition during DMA configure at IOMMU probe time
Here are some small USB driver fixes for 6.15-rc6. Included in here
are:
- typec driver fixes
- usbtmc ioctl fixes
- xhci driver fixes
- cdnsp driver fixes
- some gadget driver fixes
Nothing really major, just all little stuff that people have reported
being issues. All of these have been in linux-next this week with no
reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-6.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are some small USB driver fixes for 6.15-rc6. Included in here
are:
- typec driver fixes
- usbtmc ioctl fixes
- xhci driver fixes
- cdnsp driver fixes
- some gadget driver fixes
Nothing really major, just all little stuff that people have reported
being issues. All of these have been in linux-next this week with no
reported issues"
* tag 'usb-6.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
xhci: dbc: Avoid event polling busyloop if pending rx transfers are inactive.
usb: xhci: Don't trust the EP Context cycle bit when moving HW dequeue
usb: usbtmc: Fix erroneous generic_read ioctl return
usb: usbtmc: Fix erroneous wait_srq ioctl return
usb: usbtmc: Fix erroneous get_stb ioctl error returns
usb: typec: tcpm: delay SNK_TRY_WAIT_DEBOUNCE to SRC_TRYWAIT transition
USB: usbtmc: use interruptible sleep in usbtmc_read
usb: cdnsp: fix L1 resume issue for RTL_REVISION_NEW_LPM version
usb: typec: ucsi: displayport: Fix NULL pointer access
usb: typec: ucsi: displayport: Fix deadlock
usb: misc: onboard_usb_dev: fix support for Cypress HX3 hubs
usb: uhci-platform: Make the clock really optional
usb: dwc3: gadget: Make gadget_wakeup asynchronous
usb: gadget: Use get_status callback to set remote wakeup capability
usb: gadget: f_ecm: Add get_status callback
usb: host: tegra: Prevent host controller crash when OTG port is used
usb: cdnsp: Fix issue with resuming from L1
usb: gadget: tegra-xudc: ACK ST_RC after clearing CTRL_RUN
Here are three small staging driver fixes for 6.15-rc6. These are:
- bcm2835-camera driver fix
- two axis-fifo driver fixes
All of these have been in linux-next for a few weeks with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-6.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver fixes from Greg KH:
"Here are three small staging driver fixes for 6.15-rc6. These are:
- bcm2835-camera driver fix
- two axis-fifo driver fixes
All of these have been in linux-next for a few weeks with no reported
issues"
* tag 'staging-6.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
staging: axis-fifo: Remove hardware resets for user errors
staging: axis-fifo: Correct handling of tx_fifo_depth for size validation
staging: bcm2835-camera: Initialise dev in v4l2_dev
Here are a bunch of small driver fixes (mostly all IIO) for 6.15-rc6.
Included in here are:
- loads of tiny IIO driver fixes for reported issues
- hyperv driver fix for a much-reported and worked on sysfs ring
buffer creation bug
All of these have been in linux-next for over a week (the IIO ones for
many weeks now), with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc/IIO driver fixes from Greg KH:
"Here are a bunch of small driver fixes (mostly all IIO) for 6.15-rc6.
Included in here are:
- loads of tiny IIO driver fixes for reported issues
- hyperv driver fix for a much-reported and worked on sysfs ring
buffer creation bug
All of these have been in linux-next for over a week (the IIO ones for
many weeks now), with no reported issues"
* tag 'char-misc-6.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (30 commits)
Drivers: hv: Make the sysfs node size for the ring buffer dynamic
uio_hv_generic: Fix sysfs creation path for ring buffer
iio: adis16201: Correct inclinometer channel resolution
iio: adc: ad7606: fix serial register access
iio: pressure: mprls0025pa: use aligned_s64 for timestamp
iio: imu: adis16550: align buffers for timestamp
staging: iio: adc: ad7816: Correct conditional logic for store mode
iio: adc: ad7266: Fix potential timestamp alignment issue.
iio: adc: ad7768-1: Fix insufficient alignment of timestamp.
iio: adc: dln2: Use aligned_s64 for timestamp
iio: accel: adxl355: Make timestamp 64-bit aligned using aligned_s64
iio: temp: maxim-thermocouple: Fix potential lack of DMA safe buffer.
iio: chemical: pms7003: use aligned_s64 for timestamp
iio: chemical: sps30: use aligned_s64 for timestamp
iio: imu: inv_mpu6050: align buffer for timestamp
iio: imu: st_lsm6dsx: Fix wakeup source leaks on device unbind
iio: adc: qcom-spmi-iadc: Fix wakeup source leaks on device unbind
iio: accel: fxls8962af: Fix wakeup source leaks on device unbind
iio: adc: ad7380: fix event threshold shift
iio: hid-sensor-prox: Fix incorrect OFFSET calculation
...
- omap: use correct function to read from device tree
- MAINTAINERS: remove Seth from ISMT maintainership
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Merge tag 'i2c-for-6.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fixes from Wolfram Sang:
- omap: use correct function to read from device tree
- MAINTAINERS: remove Seth from ISMT maintainership
* tag 'i2c-for-6.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
MAINTAINERS: Remove entry for Seth Heasley
i2c: omap: fix deprecated of_property_read_bool() use
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Merge tag 'for-linus-6.15a-rc6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen fixes from Juergen Gross:
- A fix for the xenbus driver allowing to use a PVH Dom0 with
Xenstore running in another domain
- A fix for the xenbus driver addressing a rare race condition
resulting in NULL dereferences and other problems
- A fix for the xen-swiotlb driver fixing a problem seen on Arm
platforms
* tag 'for-linus-6.15a-rc6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xenbus: Use kref to track req lifetime
xenbus: Allow PVH dom0 a non-local xenstore
xen: swiotlb: Use swiotlb bouncing if kmalloc allocation demands it
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Merge tag 'pull-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull mount fixes from Al Viro:
"A couple of races around legalize_mnt vs umount (both fairly old and
hard to hit) plus two bugs in move_mount(2) - both around 'move
detached subtree in place' logics"
* tag 'pull-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
fix IS_MNT_PROPAGATING uses
do_move_mount(): don't leak MNTNS_PROPAGATING on failures
do_umount(): add missing barrier before refcount checks in sync case
__legitimize_mnt(): check for MNT_SYNC_UMOUNT should be under mount_lock
- Forcibly leave SMM on SHUTDOWN interception on AMD CPUs to avoid causing
problems due to KVM stuffing INIT on SHUTDOWN (KVM needs to sanitize the
VMCB as its state is undefined after SHUTDOWN, emulating INIT is the
least awful choice).
- Track the valid sync/dirty fields in kvm_run as a u64 to ensure KVM
KVM doesn't goof a sanity check in the future.
- Free obsolete roots when (re)loading the MMU to fix a bug where
pre-faulting memory can get stuck due to always encountering a stale
root.
- When dumping GHCB state, use KVM's snapshot instead of the raw GHCB page
to print state, so that KVM doesn't print stale/wrong information.
- When changing memory attributes (e.g. shared <=> private), add potential
hugepage ranges to the mmu_invalidate_range_{start,end} set so that KVM
doesn't create a shared/private hugepage when the the corresponding
attributes will become mixed (the attributes are commited *after* KVM
finishes the invalidation).
- Rework the SRSO mitigation to enable BP_SPEC_REDUCE only when KVM has at
least one active VM. Effectively BP_SPEC_REDUCE when KVM is loaded led
to very measurable performance regressions for non-KVM workloads.
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Merge tag 'kvm-x86-fixes-6.15-rcN' of https://github.com/kvm-x86/linux into HEAD
KVM x86 fixes for 6.15-rcN
- Forcibly leave SMM on SHUTDOWN interception on AMD CPUs to avoid causing
problems due to KVM stuffing INIT on SHUTDOWN (KVM needs to sanitize the
VMCB as its state is undefined after SHUTDOWN, emulating INIT is the
least awful choice).
- Track the valid sync/dirty fields in kvm_run as a u64 to ensure KVM
KVM doesn't goof a sanity check in the future.
- Free obsolete roots when (re)loading the MMU to fix a bug where
pre-faulting memory can get stuck due to always encountering a stale
root.
- When dumping GHCB state, use KVM's snapshot instead of the raw GHCB page
to print state, so that KVM doesn't print stale/wrong information.
- When changing memory attributes (e.g. shared <=> private), add potential
hugepage ranges to the mmu_invalidate_range_{start,end} set so that KVM
doesn't create a shared/private hugepage when the the corresponding
attributes will become mixed (the attributes are commited *after* KVM
finishes the invalidation).
- Rework the SRSO mitigation to enable BP_SPEC_REDUCE only when KVM has at
least one active VM. Effectively BP_SPEC_REDUCE when KVM is loaded led
to very measurable performance regressions for non-KVM workloads.
- Avoid use of uninitialized memcache pointer in user_mem_abort()
- Always set HCR_EL2.xMO bits when running in VHE, allowing interrupts
to be taken while TGE=0 and fixing an ugly bug on AmpereOne that
occurs when taking an interrupt while clearing the xMO bits
(AC03_CPU_36)
- Prevent VMMs from hiding support for AArch64 at any EL virtualized by
KVM
- Save/restore the host value for HCRX_EL2 instead of restoring an
incorrect fixed value
- Make host_stage2_set_owner_locked() check that the entire requested
range is memory rather than just the first page
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Merge tag 'kvmarm-fixes-6.15-3' of https://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
KVM/arm64 fixes for 6.15, round #3
- Avoid use of uninitialized memcache pointer in user_mem_abort()
- Always set HCR_EL2.xMO bits when running in VHE, allowing interrupts
to be taken while TGE=0 and fixing an ugly bug on AmpereOne that
occurs when taking an interrupt while clearing the xMO bits
(AC03_CPU_36)
- Prevent VMMs from hiding support for AArch64 at any EL virtualized by
KVM
- Save/restore the host value for HCRX_EL2 instead of restoring an
incorrect fixed value
- Make host_stage2_set_owner_locked() check that the entire requested
range is memory rather than just the first page
- omap: use correct function to read from device tree
- MAINTAINERS: remove Seth from ISMT maintainership
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Merge tag 'i2c-host-fixes-6.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/andi.shyti/linux into i2c/for-current
i2c-host-fixes for v6.15-rc6
- omap: use correct function to read from device tree
- MAINTAINERS: remove Seth from ISMT maintainership
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Merge tag '6.15-rc5-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6
Pull smb client fixes from Steve French:
- Fix dentry leak which can cause umount crash
- Add warning for parse contexts error on compounded operation
* tag '6.15-rc5-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6:
smb: client: Avoid race in open_cached_dir with lease breaks
smb3 client: warn when parse contexts returns error on compounded operation
propagate_mnt() does not attach anything to mounts created during
propagate_mnt() itself. What's more, anything on ->mnt_slave_list
of such new mount must also be new, so we don't need to even look
there.
When move_mount() had been introduced, we've got an additional
class of mounts to skip - if we are moving from anon namespace,
we do not want to propagate to mounts we are moving (i.e. all
mounts in that anon namespace).
Unfortunately, the part about "everything on their ->mnt_slave_list
will also be ignorable" is not true - if we have propagation graph
A -> B -> C
and do OPEN_TREE_CLONE open_tree() of B, we get
A -> [B <-> B'] -> C
as propagation graph, where B' is a clone of B in our detached tree.
Making B private will result in
A -> B' -> C
C still gets propagation from A, as it would after making B private
if we hadn't done that open_tree(), but now the propagation goes
through B'. Trying to move_mount() our detached tree on subdirectory
in A should have
* moved B' on that subdirectory in A
* skipped the corresponding subdirectory in B' itself
* copied B' on the corresponding subdirectory in C.
As it is, the logics in propagation_next() and friends ends up
skipping propagation into C, since it doesn't consider anything
downstream of B'.
IOW, walking the propagation graph should only skip the ->mnt_slave_list
of new mounts; the only places where the check for "in that one
anon namespace" are applicable are propagate_one() (where we should
treat that as the same kind of thing as "mountpoint we are looking
at is not visible in the mount we are looking at") and
propagation_would_overmount(). The latter is better dealt with
in the caller (can_move_mount_beneath()); on the first call of
propagation_would_overmount() the test is always false, on the
second it is always true in "move from anon namespace" case and
always false in "move within our namespace" one, so it's easier
to just use check_mnt() before bothering with the second call and
be done with that.
Fixes: 064fe6e233 ("mount: handle mount propagation for detached mount trees")
Reviewed-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
as it is, a failed move_mount(2) from anon namespace breaks
all further propagation into that namespace, including normal
mounts in non-anon namespaces that would otherwise propagate
there.
Fixes: 064fe6e233 ("mount: handle mount propagation for detached mount trees")
Reviewed-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
do_umount() analogue of the race fixed in 119e1ef80e "fix
__legitimize_mnt()/mntput() race". Here we want to make sure that
if __legitimize_mnt() doesn't notice our lock_mount_hash(), we will
notice their refcount increment. Harder to hit than mntput_no_expire()
one, fortunately, and consequences are milder (sync umount acting
like umount -l on a rare race with RCU pathwalk hitting at just the
wrong time instead of use-after-free galore mntput_no_expire()
counterpart used to be hit). Still a bug...
Fixes: 48a066e72d ("RCU'd vfsmounts")
Reviewed-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
... or we risk stealing final mntput from sync umount - raising mnt_count
after umount(2) has verified that victim is not busy, but before it
has set MNT_SYNC_UMOUNT; in that case __legitimize_mnt() doesn't see
that it's safe to quietly undo mnt_count increment and leaves dropping
the reference to caller, where it'll be a full-blown mntput().
Check under mount_lock is needed; leaving the current one done before
taking that makes no sense - it's nowhere near common enough to bother
with.
Reviewed-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Toolchain and infrastructure:
- Make CFI_AUTO_DEFAULT depend on !RUST or Rust >= 1.88.0.
- Clean Rust (and Clippy) lints for the upcoming Rust 1.87.0 and Rust
1.88.0 releases.
- Clean objtool warning for the upcoming Rust 1.87.0 release by adding
one more noreturn function.
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Merge tag 'rust-fixes-6.15-2' of git://git.kernel.org/pub/scm/linux/kernel/git/ojeda/linux
Pull rust fixes from Miguel Ojeda:
- Make CFI_AUTO_DEFAULT depend on !RUST or Rust >= 1.88.0
- Clean Rust (and Clippy) lints for the upcoming Rust 1.87.0 and 1.88.0
releases
- Clean objtool warning for the upcoming Rust 1.87.0 release by adding
one more noreturn function
* tag 'rust-fixes-6.15-2' of git://git.kernel.org/pub/scm/linux/kernel/git/ojeda/linux:
x86/Kconfig: make CFI_AUTO_DEFAULT depend on !RUST or Rust >= 1.88
rust: clean Rust 1.88.0's `clippy::uninlined_format_args` lint
rust: clean Rust 1.88.0's warning about `clippy::disallowed_macros` configuration
rust: clean Rust 1.88.0's `unnecessary_transmutes` lint
rust: allow Rust 1.87.0's `clippy::ptr_eq` lint
objtool/rust: add one more `noreturn` Rust function for Rust 1.87.0
drm:
- Fix overflow when generating wedged event
ttm:
- Fix documentation
- Remove struct ttm_backup
panel:
- simple: Fix timings for AUO G101EVN010
amdgpu:
- DC FP fixes
- Freesync fix
- DMUB AUX fixes
- VCN fix
- Hibernation fixes
- HDP fixes
xe:
- Prevent PF queue overflow
- Hold all forcewake during mocs test
- Remove GSC flush on reset path
- Fix forcewake put on error path
- Fix runtime warning when building without svm
i915:
- Fix oops on resume after disconnecting DP MST sinks during suspend
- Fix SPLC num_waiters refcounting
ivpu:
- Increase timeouts
- Fix deadlock in cmdq ioctl
- Unlock mutices in correct order
v3d:
- Avoid memory leak in job handling
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Merge tag 'drm-fixes-2025-05-10' of https://gitlab.freedesktop.org/drm/kernel
Pull drm fixes from Dave Airlie:
"Weekly drm fixes, bit bigger than last week, but overall amdgpu/xe
with some ivpu bits and a random few fixes, and dropping the
ttm_backup struct which wrapped struct file and was recently
frowned at.
drm:
- Fix overflow when generating wedged event
ttm:
- Fix documentation
- Remove struct ttm_backup
panel:
- simple: Fix timings for AUO G101EVN010
amdgpu:
- DC FP fixes
- Freesync fix
- DMUB AUX fixes
- VCN fix
- Hibernation fixes
- HDP fixes
xe:
- Prevent PF queue overflow
- Hold all forcewake during mocs test
- Remove GSC flush on reset path
- Fix forcewake put on error path
- Fix runtime warning when building without svm
i915:
- Fix oops on resume after disconnecting DP MST sinks during suspend
- Fix SPLC num_waiters refcounting
ivpu:
- Increase timeouts
- Fix deadlock in cmdq ioctl
- Unlock mutices in correct order
v3d:
- Avoid memory leak in job handling"
* tag 'drm-fixes-2025-05-10' of https://gitlab.freedesktop.org/drm/kernel: (32 commits)
drm/i915/dp: Fix determining SST/MST mode during MTP TU state computation
drm/xe: Add config control for svm flush work
drm/xe: Release force wake first then runtime power
drm/xe/gsc: do not flush the GSC worker from the reset path
drm/xe/tests/mocs: Hold XE_FORCEWAKE_ALL for LNCF regs
drm/xe: Add page queue multiplier
drm/amdgpu/hdp7: use memcfg register to post the write for HDP flush
drm/amdgpu/hdp6: use memcfg register to post the write for HDP flush
drm/amdgpu/hdp5.2: use memcfg register to post the write for HDP flush
drm/amdgpu/hdp5: use memcfg register to post the write for HDP flush
drm/amdgpu/hdp4: use memcfg register to post the write for HDP flush
drm/amdgpu: fix pm notifier handling
Revert "drm/amd: Stop evicting resources on APUs in suspend"
drm/amdgpu/vcn: using separate VCN1_AON_SOC offset
drm/amd/display: Fix wrong handling for AUX_DEFER case
drm/amd/display: Copy AUX read reply data whenever length > 0
drm/amd/display: Remove incorrect checking in dmub aux handler
drm/amd/display: Fix the checking condition in dmub aux handling
drm/amd/display: Shift DMUB AUX reply command if necessary
drm/amd/display: Call FP Protect Before Mode Programming/Mode Support
...
- Prevent PF queue overflow
- Hold all forcewake during mocs test
- Remove GSC flush on reset path
- Fix forcewake put on error path
- Fix runtime warning when building without svm
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Merge tag 'drm-xe-fixes-2025-05-09' of https://gitlab.freedesktop.org/drm/xe/kernel into drm-fixes
Driver Changes:
- Prevent PF queue overflow
- Hold all forcewake during mocs test
- Remove GSC flush on reset path
- Fix forcewake put on error path
- Fix runtime warning when building without svm
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://lore.kernel.org/r/jffqa56f2zp4i5ztz677cdspgxhnw7qfop3dd3l2epykfpfvza@q2nw6wapsphz
section as it is accessed very early during boot with the MMU off and
before the .bss has been initialised. This can lead to incorrect idmap
page table.
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fix from Catalin Marinas:
"Move the arm64_use_ng_mappings variable from the .bss to the .data
section as it is accessed very early during boot with the MMU off and
before the .bss has been initialised.
This could lead to incorrect idmap page table"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: cpufeature: Move arm64_use_ng_mappings to the .data section to prevent wrong idmap generation
* The compressed half-word misaligned access instructions (c.lhu, c.lh,
and c.sh) from the Zcb extension are now properly emulated.
* A series of fixes to properly emulate permissions while handling
userspace misaligned accesses.
* A pair of fixes for PR_GET_TAGGED_ADDR_CTRL to avoid accessing the
envcfg CSR on systems that don't support that CSR, and to report those
failures up to userspace.
* The .rela.dyn section is no longer stripped from vmlinux, as it is
necessary to relocate the kernel under some conditions (including
kexec).
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Merge tag 'riscv-for-linus-6.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Palmer Dabbelt:
- The compressed half-word misaligned access instructions (c.lhu, c.lh,
and c.sh) from the Zcb extension are now properly emulated
- A series of fixes to properly emulate permissions while handling
userspace misaligned accesses
- A pair of fixes for PR_GET_TAGGED_ADDR_CTRL to avoid accessing the
envcfg CSR on systems that don't support that CSR, and to report
those failures up to userspace
- The .rela.dyn section is no longer stripped from vmlinux, as it is
necessary to relocate the kernel under some conditions (including
kexec)
* tag 'riscv-for-linus-6.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
riscv: Disallow PR_GET_TAGGED_ADDR_CTRL without Supm
scripts: Do not strip .rela.dyn section
riscv: Fix kernel crash due to PR_SET_TAGGED_ADDR_CTRL
riscv: misaligned: use get_user() instead of __get_user()
riscv: misaligned: enable IRQs while handling misaligned accesses
riscv: misaligned: factorize trap handling
riscv: misaligned: Add handling for ZCB instructions
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Merge tag 'block-6.15-20250509' of git://git.kernel.dk/linux
Pull block fixes from Jens Axboe:
- Fix for a regression in this series for loop and read/write iterator
handling
- zone append block update tweak
- remove a broken IO priority test
- NVMe pull request via Christoph:
- unblock ctrl state transition for firmware update (Daniel
Wagner)
* tag 'block-6.15-20250509' of git://git.kernel.dk/linux:
block: remove test of incorrect io priority level
nvme: unblock ctrl state transition for firmware update
block: only update request sector if needed
loop: Add sanity check for read/write_iter
