It is slightly more convenient to operate on mut pointers, and this also
properly conveys the desired ownership semantics of the trait.
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Reviewed-by: Andreas Hindborg <a.hindborg@kernel.org>
Signed-off-by: Tamir Duberstein <tamird@gmail.com>
Acked-by: Danilo Krummrich <dakr@kernel.org>
Link: https://lore.kernel.org/r/20241120-borrow-mut-v6-4-80dbadd00951@gmail.com
[ Reworded title slightly. - Miguel ]
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
The new SAFETY comment style is taken from existing comments in `deref`
and `drop.
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Reviewed-by: Andreas Hindborg <a.hindborg@kernel.org>
Signed-off-by: Tamir Duberstein <tamird@gmail.com>
Link: https://lore.kernel.org/r/20241120-borrow-mut-v6-3-80dbadd00951@gmail.com
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Replace `as` casts with `cast{,_mut}` calls which are a bit safer.
In one instance, remove an unnecessary `as` cast without replacement.
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Reviewed-by: Andreas Hindborg <a.hindborg@kernel.org>
Signed-off-by: Tamir Duberstein <tamird@gmail.com>
Acked-by: Danilo Krummrich <dakr@kernel.org>
Link: https://lore.kernel.org/r/20241120-borrow-mut-v6-2-80dbadd00951@gmail.com
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
There is no need to check (and panic on violations of) the safety
requirements on `ForeignOwnable` functions. Avoiding the check is
consistent with the implementation of `ForeignOwnable` for `Box`.
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Reviewed-by: Andreas Hindborg <a.hindborg@kernel.org>
Signed-off-by: Tamir Duberstein <tamird@gmail.com>
Link: https://lore.kernel.org/r/20241120-borrow-mut-v6-1-80dbadd00951@gmail.com
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
The `kernel` crate relies on both `coerce_unsized` and `dispatch_from_dyn`
unstable features.
Alice Ryhl has proposed [1] the introduction of the unstable macro
`SmartPointer` to reduce such dependence, along with a RFC patch [2].
Since Rust 1.81.0 this macro, later renamed to `CoercePointee` in
Rust 1.84.0 [3], has been fully implemented with the naming discussion
resolved.
This feature is now on track to stabilization in the language.
In order to do so, we shall start using this macro in the `kernel` crate
to prove the functionality and utility of the macro as the justification
of its stabilization.
This patch makes this switch in such a way that the crate remains
backward compatible with older Rust compiler versions,
via the new Kconfig option `RUSTC_HAS_COERCE_POINTEE`.
A minimal demonstration example is added to the
`samples/rust/rust_print_main.rs` module.
Link: https://rust-lang.github.io/rfcs/3621-derive-smart-pointer.html [1]
Link: https://lore.kernel.org/all/20240823-derive-smart-pointer-v1-1-53769cd37239@google.com/ [2]
Link: https://github.com/rust-lang/rust/pull/131284 [3]
Signed-off-by: Xiangfei Ding <dingxiangfei2009@gmail.com>
Reviewed-by: Fiona Behrens <me@kloenk.dev>
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Link: https://lore.kernel.org/r/20241203205050.679106-2-dingxiangfei2009@gmail.com
[ Fixed version to 1.84. Renamed option to `RUSTC_HAS_COERCE_POINTEE`
to match `CC_HAS_*` ones. Moved up new config option, closer to the
`CC_HAS_*` ones. Simplified Kconfig line. Fixed typos and slightly
reworded example and commit. Added Link to PR. - Miguel ]
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Add a rustdoc example and Kunit test to the `ArrayLayout` struct's
`ArrayLayout::new()` function.
This patch depends on the first patch in this series in order for the
KUnit test to compile.
Suggested-by: Boqun Feng <boqun.feng@gmail.com>
Link: https://github.com/Rust-for-Linux/linux/issues/1131
Reviewed-by: Danilo Krummrich <dakr@kernel.org>
Signed-off-by: Jimmy Ostler <jtostler1@gmail.com>
Link: https://lore.kernel.org/r/f1564da5bcaa6be87aee312767a1d1694a03d1b7.1734674670.git.jtostler1@gmail.com
[ Added periods to example comments. Reworded title. - Miguel ]
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Change documentation imports to use `kernel::alloc::AllocError`,
because `KBox::new()` now returns that, instead of the `core`'s
`AllocError`.
Reviewed-by: Danilo Krummrich <dakr@kernel.org>
Signed-off-by: Jimmy Ostler <jtostler1@gmail.com>
Link: https://lore.kernel.org/r/ec8badbe94c5e78f22315325a7f2ae96129d6a65.1734674670.git.jtostler1@gmail.com
[ Fixed formatting of imports (still unordered). Slightly reworded
commit. - Miguel ]
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Import the internal (`kernel::alloc`) version of `LayoutError` instead
of the `core::alloc` one.
In particular, this results in switching the type in the existing
`From<LayoutError> for Error` implementation.
Acked-by: Danilo Krummrich <dakr@kernel.org>
Signed-off-by: Jimmy Ostler <jtostler1@gmail.com>
Link: https://lore.kernel.org/r/fe58a02189e8804a9eabdd01cb1927d4c491d79c.1734674670.git.jtostler1@gmail.com
[ Reworded commit. - Miguel ]
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Remove `unwrap` in asserts and replace it with `Option::Some`
matching. By doing it this way, the examples are more
descriptive, so it disambiguates the return type of
the `get(...)` and `next(...)`, because the `unwrap(...)`
can also be called on `Result`.
Signed-off-by: Daniel Sedlak <daniel@sedlak.dev>
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Link: https://lore.kernel.org/r/20241123095033.41240-3-daniel@sedlak.dev
[ Reworded title slightly. - Miguel ]
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Because the `macros` crate exposes procedural macros, it must be
compiled as a dynamic library (so it can be loaded by the compiler at
compile-time).
Before this change the resulting artifact was always named
`libmacros.so`, which works on hosts where this matches the naming
convention for dynamic libraries. However the proper name on macOS would
be `libmacros.dylib`.
This turns out to matter even when the dependency is passed with a path
(`--extern macros=path/to/libmacros.so` rather than `--extern macros`)
because rustc uses the file name to infer the type of the library (see
link). This is because there's no way to specify both the path to and
the type of the external library via CLI flags. The compiler could
speculatively parse the file to determine its type, but it does not do
so today.
This means that libraries that match neither rustc's naming convention
for static libraries nor the platform's naming convention for dynamic
libraries are *rejected*.
The only solution I've found is to follow the host platform's naming
convention. This patch does that by querying the compiler to determine
the appropriate name for the artifact. This allows the kernel to build
with CONFIG_RUST=y on macOS.
Link: d829780/compiler/rustc_metadata/src/locator.rs (L728-L752)
Tested-by: Daniel Gomez <da.gomez@samsung.com>
Co-developed-by: Fiona Behrens <me@kloenk.dev>
Signed-off-by: Fiona Behrens <me@kloenk.dev>
Signed-off-by: Tamir Duberstein <tamird@gmail.com>
Tested-by: Andreas Hindborg <a.hindborg@kernel.org>
Link: https://lore.kernel.org/r/20241216-b4-dylib-host-macos-v7-1-cfc507681447@gmail.com
[ Added `MAKEFLAGS=`s to avoid jobserver warnings. Removed space.
Reworded title. - Miguel ]
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
The sibling `build_assert!` is already in the prelude, it makes sense
that a "core"/"language" facility like this is part of the prelude and
users should not be defining their own one (thus there should be no risk
of future name collisions and we would want to be aware of them anyway).
Thus add `build_error!` into the prelude.
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Link: https://lore.kernel.org/r/20241123222849.350287-3-ojeda@kernel.org
[ Applied the change to the new miscdevice cases. - Miguel ]
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Users were using the hidden exported `kernel::build_error` function
instead of the intended `kernel::build_error!` macro, e.g. see the
previous commit.
To force to use the macro, move it into the `build_assert` module,
thus making it a compilation error and avoiding a collision in the same
"namespace". Using the function now would require typing the module name
(which is hidden), not just a single character.
Now attempting to use the function will trigger this error with the
right suggestion by the compiler:
error[E0423]: expected function, found macro `kernel::build_error`
--> samples/rust/rust_minimal.rs:29:9
|
29 | kernel::build_error();
| ^^^^^^^^^^^^^^^^^^^ not a function
|
help: use `!` to invoke the macro
|
29 | kernel::build_error!();
| +
An alternative would be using an alias, but it would be more complex
and moving it into the module seems right since it belongs there and
reduces the amount of code at the crate root.
Keep the `#[doc(hidden)]` inside `build_assert` in case the module is
not hidden in the future.
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Link: https://lore.kernel.org/r/20241123222849.350287-2-ojeda@kernel.org
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Code and some examples were using the function, rather than the macro. The
macro is what is documented.
Thus move users to the macro.
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Link: https://lore.kernel.org/r/20241123222849.350287-1-ojeda@kernel.org
[ Applied the change to the new miscdevice cases. - Miguel ]
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Running Clippy for `rusttest` code is useful to catch issues there too,
even if the code is not as critical. In the future, this code may also
run in kernelspace and could be copy-pasted. Thus it is useful to keep
it under the same standards. For instance, it will now make us add
`// SAFETY` comments.
It also makes everything more consistent.
Thus clean the few issues spotted by Clippy and start running it.
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Link: https://lore.kernel.org/r/20241123180639.260191-1-ojeda@kernel.org
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Clippy's lints may avoid emitting a suggestion to use a language or
library feature that is not supported by the minimum supported version,
if given by the `msrv` field in the configuration file.
For instance, Clippy should not suggest using `let ... else` in a lint
if the MSRV did not implement that syntax.
If the MSRV is not provided, Clippy will assume all features are available.
Thus enable it with the minimum Rust version the kernel supports.
Note that there is currently a small disadvantage in doing so: since
we still use unstable features that nevertheless work in the range
of versions we support (e.g. `#[expect(...)]`), we lose suggestions
for those. However, over time we will stop using unstable features
(especially language and library ones) as it is our goal, thus, in the
end, we will want to have the `msrv` set.
Rust is also considering adding a similar feature in `rustc` too, which
we should probably enable if it becomes available [2].
Link: 8298da72e7/clippy_utils/src/msrvs.rs (L20) [1]
Link: https://github.com/rust-lang/compiler-team/issues/772 [2]
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Link: https://lore.kernel.org/r/20241123222345.346976-1-ojeda@kernel.org
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Align bullet points and improve indentation in the `Invariants` section
of the `GenDisk` struct documentation for better readability.
[ Yutaro is also working on implementing the lint we suggested to catch
this sort of issue in upstream Rust:
https://github.com/rust-lang/rust-clippy/issues/13601https://github.com/rust-lang/rust-clippy/pull/13711
Thanks a lot! - Miguel ]
Fixes: 3253aba340 ("rust: block: introduce `kernel::block::mq` module")
Signed-off-by: Yutaro Ohno <yutaro.ono.418@gmail.com>
Reviewed-by: Boqun Feng <boqun.feng@gmail.com>
Acked-by: Andreas Hindborg <a.hindborg@kernel.org>
Link: https://lore.kernel.org/r/ZxkcU5yTFCagg_lX@ohnotp
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Ensure consistency between `Debug` and `Display` for `Box` by
updating `Debug` to match the new `Display` style.
Acked-by: Danilo Krummrich <dakr@kernel.org>
Signed-off-by: Guangbo Cui <2407018371@qq.com>
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Link: https://lore.kernel.org/r/tencent_1FC0BC283DA65DD81A8A14EEF25563934E05@qq.com
[ Reworded title. - Miguel ]
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Currently `impl Display` is missing for `Box<T, A>`, as a result,
things like using `Box<..>` directly as an operand in `pr_info!()`
are impossible, which is less ergonomic compared to `Box` in Rust
std.
Therefore add `impl Display` for `Box`.
Acked-by: Danilo Krummrich <dakr@kernel.org>
Suggested-by: Boqun Feng <boqun.feng@gmail.com>
Link: https://github.com/Rust-for-Linux/linux/issues/1126
Signed-off-by: Guangbo Cui <2407018371@qq.com>
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Link: https://lore.kernel.org/r/tencent_2AD25C6A6898D3A598CBA54BB6AF59BB900A@qq.com
[ Reworded title. - Miguel ]
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Add a comment explaining the relevant semantics of `PhantomData`. This
should help future readers who may, as I did, assume that this field is
redundant at first glance.
Signed-off-by: Tamir Duberstein <tamird@gmail.com>
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Link: https://lore.kernel.org/r/20241107-simplify-arc-v2-1-7256e638aac1@gmail.com
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Having the Rust doctests enabled these workqueue tests are built but not
executed as the final callers of the print_*() functions are missing.
Add them.
The result is
# rust_doctest_kernel_workqueue_rs_0.location: rust/kernel/workqueue.rs:35
rust_doctests_kernel: The value is: 42
ok 94 rust_doctest_kernel_workqueue_rs_0
# rust_doctest_kernel_workqueue_rs_3.location: rust/kernel/workqueue.rs:78
rust_doctests_kernel: The value is: 24
rust_doctests_kernel: The second value is: 42
ok 97 rust_doctest_kernel_workqueue_rs_3
Without this change the "The value ..." outputs are not there meaning
that this test code is not run.
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Signed-off-by: Dirk Behme <dirk.behme@gmail.com>
Reviewed-by: Boqun Feng <boqun.feng@gmail.com>
Acked-by: Tejun Heo <tj@kernel.org>
Link: https://lore.kernel.org/r/cb953202-0dbe-4127-8a8e-6a75258c2116@gmail.com
[ Reworded slightly. - Miguel ]
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Modify the from_errno function to use try_from_errno to
reduce code duplication while still maintaining all existing
behavior and error handling and also reduces unsafe code.
Link: https://github.com/Rust-for-Linux/linux/issues/1125
Suggested-by: Miguel Ojeda <ojeda@kernel.org>
Co-developed-by: Guilherme Augusto Martins da Silva <guilhermev2huehue@gmail.com>
Signed-off-by: Guilherme Augusto Martins da Silva <guilhermev2huehue@gmail.com>
Signed-off-by: Daniel Sedlak <daniel@sedlak.dev>
Reviewed-by: Fiona Behrens <me@kloenk.dev>
Link: https://lore.kernel.org/r/20241207112445.55502-1-daniel@sedlak.dev
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
With `long` mapped to `isize`, `size_t`/`__kernel_size_t` mapped to
`usize` and `char` mapped to `u8`, many of the existing casts are no
longer necessary.
Signed-off-by: Gary Guo <gary@garyguo.net>
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Link: https://lore.kernel.org/r/20240913213041.395655-6-gary@garyguo.net
[ Moved `uaccess` changes to the previous commit, since they were
irrefutable patterns that Rust >= 1.82.0 warns about. Removed a
couple casts that now use `c""` literals. Rebased on top of
`rust-next`. - Miguel ]
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
The following FFI types are replaced compared to `core::ffi`:
1. `char` type is now always mapped to `u8`, since kernel uses
`-funsigned-char` on the C code. `core::ffi` maps it to platform
default ABI, which can be either signed or unsigned.
2. `long` is now always mapped to `isize`. It's very common in the
kernel to use `long` to represent a pointer-sized integer, and in
fact `intptr_t` is a typedef of `long` in the kernel. Enforce this
mapping rather than mapping to `i32/i64` depending on platform can
save us a lot of unnecessary casts.
Signed-off-by: Gary Guo <gary@garyguo.net>
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Link: https://lore.kernel.org/r/20240913213041.395655-5-gary@garyguo.net
[ Moved `uaccess` changes from the next commit, since they were
irrefutable patterns that Rust >= 1.82.0 warns about. Reworded
slightly and reformatted a few documentation comments. Rebased on
top of `rust-next`. Added the removal of two casts to avoid Clippy
warnings. - Miguel ]
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
In the last kernel cycle we migrated most of the `core::ffi` cases in
commit d072acda48 ("rust: use custom FFI integer types"):
Currently FFI integer types are defined in libcore. This commit
creates the `ffi` crate and asks bindgen to use that crate for FFI
integer types instead of `core::ffi`.
This commit is preparatory and no type changes are made in this
commit yet.
Finish now the few remaining/new cases so that we perform the actual
remapping in the next commit as planned.
Acked-by: Jocelyn Falempe <jfalempe@redhat.com> # drm
Link: https://lore.kernel.org/rust-for-linux/CANiq72m_rg42SvZK=bF2f0yEoBLVA33UBhiAsv8THhVu=G2dPA@mail.gmail.com/
Link: https://lore.kernel.org/all/cc9253fa-9d5f-460b-9841-94948fb6580c@redhat.com/
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
- Limit EFI zboot to GZIP and ZSTD before it comes in wider use
- Fix inconsistent error when looking up a non-existent file in efivarfs
with a name that does not adhere to the NAME-GUID format
- Drop some unused code
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Merge tag 'efi-fixes-for-v6.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi
Pull EFI fixes from Ard Biesheuvel:
- Limit EFI zboot to GZIP and ZSTD before it comes in wider use
- Fix inconsistent error when looking up a non-existent file in
efivarfs with a name that does not adhere to the NAME-GUID format
- Drop some unused code
* tag 'efi-fixes-for-v6.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi:
efi/esrt: remove esre_attribute::store()
efivarfs: Fix error on non-existent file
efi/zboot: Limit compression options to GZIP and ZSTD
We have these fixes for hosts: PNX used the wrong unit for timeouts,
Nomadik was missing a sentinel, and RIIC was missing rounding up.
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Merge tag 'i2c-for-6.13-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fixes from Wolfram Sang:
"i2c host fixes: PNX used the wrong unit for timeouts, Nomadik was
missing a sentinel, and RIIC was missing rounding up"
* tag 'i2c-for-6.13-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: riic: Always round-up when calculating bus period
i2c: nomadik: Add missing sentinel to match table
i2c: pnx: Fix timeout in wait functions
SoC to fix interrupt priority assignment and even make a dead machine boot
again when the gic-v3 driver enables pseudo NMIs
- Correct the declaration of a percpu variable to fix several sparse warnings
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Merge tag 'irq_urgent_for_v6.13_rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fixes from Borislav Petkov:
- Disable the secure programming interface of the GIC500 chip in the
RK3399 SoC to fix interrupt priority assignment and even make a dead
machine boot again when the gic-v3 driver enables pseudo NMIs
- Correct the declaration of a percpu variable to fix several sparse
warnings
* tag 'irq_urgent_for_v6.13_rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqchip/gic-v3: Work around insecure GIC integrations
irqchip/gic: Correct declaration of *percpu_base pointer in union gic_base
its time accounting
- Properly track the CFS runqueue runnable stats
- Check the total number of all queued tasks in a sched fair's runqueue
hierarchy before deciding to stop the tick
- Fix the scheduling of the task that got woken last (NEXT_BUDDY) by
preventing those from being delayed
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Merge tag 'sched_urgent_for_v6.13_rc3-p2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fixes from Borislav Petkov:
- Prevent incorrect dequeueing of the deadline dlserver helper task and
fix its time accounting
- Properly track the CFS runqueue runnable stats
- Check the total number of all queued tasks in a sched fair's runqueue
hierarchy before deciding to stop the tick
- Fix the scheduling of the task that got woken last (NEXT_BUDDY) by
preventing those from being delayed
* tag 'sched_urgent_for_v6.13_rc3-p2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/dlserver: Fix dlserver time accounting
sched/dlserver: Fix dlserver double enqueue
sched/eevdf: More PELT vs DELAYED_DEQUEUE
sched/fair: Fix sched_can_stop_tick() for fair tasks
sched/fair: Fix NEXT_BUDDY
* Fix confusion with implicitly-shifted MDCR_EL2 masks breaking
SPE/TRBE initialization.
* Align nested page table walker with the intended memory attribute
combining rules of the architecture.
* Prevent userspace from constraining the advertised ASID width,
avoiding horrors of guest TLBIs not matching the intended context in
hardware.
* Don't leak references on LPIs when insertion into the translation
cache fails.
RISC-V:
* Replace csr_write() with csr_set() for HVIEN PMU overflow bit.
x86:
* Cache CPUID.0xD XSTATE offsets+sizes during module init - On Intel's
Emerald Rapids CPUID costs hundreds of cycles and there are a lot of
leaves under 0xD. Getting rid of the CPUIDs during nested VM-Enter and
VM-Exit is planned for the next release, for now just cache them: even
on Skylake that is 40% faster.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm fixes from Paolo Bonzini:
"ARM64:
- Fix confusion with implicitly-shifted MDCR_EL2 masks breaking
SPE/TRBE initialization
- Align nested page table walker with the intended memory attribute
combining rules of the architecture
- Prevent userspace from constraining the advertised ASID width,
avoiding horrors of guest TLBIs not matching the intended context
in hardware
- Don't leak references on LPIs when insertion into the translation
cache fails
RISC-V:
- Replace csr_write() with csr_set() for HVIEN PMU overflow bit
x86:
- Cache CPUID.0xD XSTATE offsets+sizes during module init
On Intel's Emerald Rapids CPUID costs hundreds of cycles and there
are a lot of leaves under 0xD. Getting rid of the CPUIDs during
nested VM-Enter and VM-Exit is planned for the next release, for
now just cache them: even on Skylake that is 40% faster"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: x86: Cache CPUID.0xD XSTATE offsets+sizes during module init
RISC-V: KVM: Fix csr_write -> csr_set for HVIEN PMU overflow bit
KVM: arm64: vgic-its: Add error handling in vgic_its_cache_translation
KVM: arm64: Do not allow ID_AA64MMFR0_EL1.ASIDbits to be overridden
KVM: arm64: Fix S1/S2 combination when FWB==1 and S2 has Device memory type
arm64: Fix usage of new shifted MDCR_EL2 values
Single one-line fix in the ufs driver.
Signed-off-by: James E.J. Bottomley <James.Bottomley@HansenPartnership.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fix from James Bottomley:
"Single one-line fix in the ufs driver"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: ufs: core: Update compl_time_stamp_local_clock after completing a cqe
- Fix a bug in the BPF verifier to track changes to packet data
property for global functions (Eduard Zingerman)
- Fix a theoretical BPF prog_array use-after-free in RCU handling
of __uprobe_perf_func (Jann Horn)
- Fix BPF tracing to have an explicit list of tracepoints and
their arguments which need to be annotated as PTR_MAYBE_NULL
(Kumar Kartikeya Dwivedi)
- Fix a logic bug in the bpf_remove_insns code where a potential
error would have been wrongly propagated (Anton Protopopov)
- Avoid deadlock scenarios caused by nested kprobe and fentry
BPF programs (Priya Bala Govindasamy)
- Fix a bug in BPF verifier which was missing a size check for
BTF-based context access (Kumar Kartikeya Dwivedi)
- Fix a crash found by syzbot through an invalid BPF prog_array
access in perf_event_detach_bpf_prog (Jiri Olsa)
- Fix several BPF sockmap bugs including a race causing a
refcount imbalance upon element replace (Michal Luczaj)
- Fix a use-after-free from mismatching BPF program/attachment
RCU flavors (Jann Horn)
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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Merge tag 'bpf-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf
Pull bpf fixes from Daniel Borkmann:
- Fix a bug in the BPF verifier to track changes to packet data
property for global functions (Eduard Zingerman)
- Fix a theoretical BPF prog_array use-after-free in RCU handling of
__uprobe_perf_func (Jann Horn)
- Fix BPF tracing to have an explicit list of tracepoints and their
arguments which need to be annotated as PTR_MAYBE_NULL (Kumar
Kartikeya Dwivedi)
- Fix a logic bug in the bpf_remove_insns code where a potential error
would have been wrongly propagated (Anton Protopopov)
- Avoid deadlock scenarios caused by nested kprobe and fentry BPF
programs (Priya Bala Govindasamy)
- Fix a bug in BPF verifier which was missing a size check for
BTF-based context access (Kumar Kartikeya Dwivedi)
- Fix a crash found by syzbot through an invalid BPF prog_array access
in perf_event_detach_bpf_prog (Jiri Olsa)
- Fix several BPF sockmap bugs including a race causing a refcount
imbalance upon element replace (Michal Luczaj)
- Fix a use-after-free from mismatching BPF program/attachment RCU
flavors (Jann Horn)
* tag 'bpf-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf: (23 commits)
bpf: Avoid deadlock caused by nested kprobe and fentry bpf programs
selftests/bpf: Add tests for raw_tp NULL args
bpf: Augment raw_tp arguments with PTR_MAYBE_NULL
bpf: Revert "bpf: Mark raw_tp arguments with PTR_MAYBE_NULL"
selftests/bpf: Add test for narrow ctx load for pointer args
bpf: Check size for BTF-based ctx access of pointer members
selftests/bpf: extend changes_pkt_data with cases w/o subprograms
bpf: fix null dereference when computing changes_pkt_data of prog w/o subprogs
bpf: Fix theoretical prog_array UAF in __uprobe_perf_func()
bpf: fix potential error return
selftests/bpf: validate that tail call invalidates packet pointers
bpf: consider that tail calls invalidate packet pointers
selftests/bpf: freplace tests for tracking of changes_packet_data
bpf: check changes_pkt_data property for extension programs
selftests/bpf: test for changing packet data from global functions
bpf: track changes_pkt_data property for global functions
bpf: refactor bpf_helper_changes_pkt_data to use helper number
bpf: add find_containing_subprog() utility function
bpf,perf: Fix invalid prog_array access in perf_event_detach_bpf_prog
bpf: Fix UAF via mismatching bpf_prog/attachment RCU flavors
...
Here are some small USB driver fixes for some reported issues. Included
in here are:
- typec driver bugfixes
- u_serial gadget driver bugfix for much reported and discussed issue
- dwc2 bugfixes
- midi gadget driver bugfix
- ehci-hcd driver bugfix
- other small bugfixes
All of these have been in linux-next for over a week with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-6.13-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB driver fixes from Greg KH:
"Here are some small USB driver fixes for some reported issues.
Included in here are:
- typec driver bugfixes
- u_serial gadget driver bugfix for much reported and discussed issue
- dwc2 bugfixes
- midi gadget driver bugfix
- ehci-hcd driver bugfix
- other small bugfixes
All of these have been in linux-next for over a week with no reported
issues"
* tag 'usb-6.13-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
usb: typec: ucsi: Fix connector status writing past buffer size
usb: typec: ucsi: Fix completion notifications
usb: dwc2: Fix HCD port connection race
usb: dwc2: hcd: Fix GetPortStatus & SetPortFeature
usb: dwc2: Fix HCD resume
usb: gadget: u_serial: Fix the issue that gs_start_io crashed due to accessing null pointer
usb: misc: onboard_usb_dev: skip suspend/resume sequence for USB5744 SMBus support
usb: dwc3: xilinx: make sure pipe clock is deselected in usb2 only mode
usb: core: hcd: only check primary hcd skip_phy_initialization
usb: gadget: midi2: Fix interpretation of is_midi1 bits
usb: dwc3: imx8mp: fix software node kernel dump
usb: typec: anx7411: fix OF node reference leaks in anx7411_typec_switch_probe()
usb: typec: anx7411: fix fwnode_handle reference leak
usb: host: max3421-hcd: Correctly abort a USB request.
dt-bindings: phy: imx8mq-usb: correct reference to usb-switch.yaml
usb: ehci-hcd: fix call balance of clocks handling routines
Here are two small serial driver fixes for 6.13-rc3. They are:
- ioport build fallout fix for the 8250 port driver that should
resolve Guenter's runtime problems
- sh-sci driver bugfix for a reported problem
Both of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-6.13-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull serial driver fixes from Greg KH:
"Here are two small serial driver fixes for 6.13-rc3. They are:
- ioport build fallout fix for the 8250 port driver that should
resolve Guenter's runtime problems
- sh-sci driver bugfix for a reported problem
Both of these have been in linux-next for a while with no reported
issues"
* tag 'tty-6.13-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
tty: serial: Work around warning backtrace in serial8250_set_defaults
serial: sh-sci: Check if TX data was written to device in .tx_empty()
Here are some small staging gpib driver build and bugfixes for issues
that have been much-reported (should finally fix Guenter's build
issues). There are more of these coming in later -rc releases, but for
now this should fix the majority of the reported problems.
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-6.13-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver fixes from Greg KH:
"Here are some small staging gpib driver build and bugfixes for issues
that have been much-reported (should finally fix Guenter's build
issues). There are more of these coming in later -rc releases, but for
now this should fix the majority of the reported problems.
All of these have been in linux-next for a while with no reported
issues"
* tag 'staging-6.13-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
staging: gpib: Fix i386 build issue
staging: gpib: Fix faulty workaround for assignment in if
staging: gpib: Workaround for ppc build failure
staging: gpib: Make GPIB_NI_PCI_ISA depend on HAS_IOPORT
overrun in hisilicon/debugfs.
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Merge tag 'v6.13-p2' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto fixes from Herbert Xu:
"Fix a regression in rsassa-pkcs1 as well as a buffer overrun in
hisilicon/debugfs"
* tag 'v6.13-p2' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: hisilicon/debugfs - fix the struct pointer incorrectly offset problem
crypto: rsassa-pkcs1 - Copy source data for SG list
Toolchain and infrastructure:
- Set bindgen's Rust target version to prevent issues when pairing
older rustc releases with newer bindgen releases, such as
bindgen >= 0.71.0 and rustc < 1.82 due to unsafe_extern_blocks.
drm/panic:
- Remove spurious empty line detected by a new Clippy warning.
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Merge tag 'rust-fixes-6.13' of https://github.com/Rust-for-Linux/linux
Pull rust fixes from Miguel Ojeda:
"Toolchain and infrastructure:
- Set bindgen's Rust target version to prevent issues when
pairing older rustc releases with newer bindgen releases,
such as bindgen >= 0.71.0 and rustc < 1.82 due to
unsafe_extern_blocks.
drm/panic:
- Remove spurious empty line detected by a new Clippy warning"
* tag 'rust-fixes-6.13' of https://github.com/Rust-for-Linux/linux:
rust: kbuild: set `bindgen`'s Rust target version
drm/panic: remove spurious empty line to clean warning
Including:
- Per-domain device-list locking fixes for the AMD IOMMU
driver.
- Fix incorrect use of smp_processor_id() in the NVidia-specific part
of the ARM-SMMU-v3 driver.
- Intel IOMMU driver fixes:
- Remove cache tags before disabling ATS.
- Avoid draining PRQ in sva mm release path.
- Fix qi_batch NULL pointer with nested parent domain.
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Merge tag 'iommu-fixes-v6.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux
Pull iommu fixes from Joerg Roedel:
- Per-domain device-list locking fixes for the AMD IOMMU driver
- Fix incorrect use of smp_processor_id() in the NVidia-specific part
of the ARM-SMMU-v3 driver
- Intel IOMMU driver fixes:
- Remove cache tags before disabling ATS
- Avoid draining PRQ in sva mm release path
- Fix qi_batch NULL pointer with nested parent domain
* tag 'iommu-fixes-v6.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux:
iommu/vt-d: Avoid draining PRQ in sva mm release path
iommu/vt-d: Fix qi_batch NULL pointer with nested parent domain
iommu/vt-d: Remove cache tags before disabling ATS
iommu/amd: Add lockdep asserts for domain->dev_list
iommu/amd: Put list_add/del(dev_data) back under the domain->lock
iommu/tegra241-cmdqv: do not use smp_processor_id in preemptible context
- Fix an OF node reference leak in the sata_highbank driver.
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Merge tag 'ata-6.13-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux
Pull ata fix from Damien Le Moal:
- Fix an OF node reference leak in the sata_highbank driver
* tag 'ata-6.13-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux:
ata: sata_highbank: fix OF node reference leak in highbank_initialize_phys()
- Replaced jiffies with msec for timeout calculations.
- Added a sentinel to the 'of_device_id' array in Nomadik.
- Rounded up bus period calculation in RIIC.
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Merge tag 'i2c-host-fixes-6.13-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/andi.shyti/linux into i2c/for-current
i2c-host-fixes for v6.13-rc3
- Replaced jiffies with msec for timeout calculations.
- Added a sentinel to the 'of_device_id' array in Nomadik.
- Rounded up bus period calculation in RIIC.
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Merge tag '6.13-rc2-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6
Pull smb client fixes from Steve French:
- fix rmmod leak
- two minor cleanups
- fix for unlink/rename with pending i/o
* tag '6.13-rc2-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6:
smb: client: destroy cfid_put_wq on module exit
cifs: Use str_yes_no() helper in cifs_ses_add_channel()
cifs: Fix rmdir failure due to ongoing I/O on deleted file
smb3: fix compiler warning in reparse code
A few fairly small fixes for v6.13, the most substatial one being
disabling STIG mode for Cadence QSPI controllers on Altera SoCFPGA
platforms since it doesn't work.
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Merge tag 'spi-fix-v6.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fixes from Mark Brown:
"A few fairly small fixes for v6.13, the most substatial one being
disabling STIG mode for Cadence QSPI controllers on Altera SoCFPGA
platforms since it doesn't work"
* tag 'spi-fix-v6.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: spi-cadence-qspi: Disable STIG mode for Altera SoCFPGA.
spi: rockchip: Fix PM runtime count on no-op cs
spi: aspeed: Fix an error handling path in aspeed_spi_[read|write]_user()
A couple of additional changes, one ensuring we give AXP717 enough time
to stabalise after changing voltages which fixes serious stability
issues on some platforms and another documenting the DT support required
for the Qualcomm WCN6750.
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Merge tag 'regulator-fix-v6.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator fixes from Mark Brown:
"A couple of additional changes, one ensuring we give AXP717 enough
time to stabilise after changing voltages which fixes serious
stability issues on some platforms and another documenting the DT
support required for the Qualcomm WCN6750"
* tag 'regulator-fix-v6.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
regulator: axp20x: AXP717: set ramp_delay
regulator: dt-bindings: qcom,qca6390-pmu: document wcn6750-pmu
