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Clippy 1.97 introduces new `useless_borrows_in_formatting` warning which
fires on the examples as we have `&*expr` where the format macro takes
reference already. Remove the extra borrow.
Link: https://patch.msgid.link/20260505115138.2466966-1-gary@kernel.org
Signed-off-by: Gary Guo <gary@garyguo.net>
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Following the kernel minimum version bump in commit f32fb9c58a5b ("rust:
bump Rust minimum supported version to 1.85.0 (Debian Trixie)"), bump
pin-init's minimum Rust version to 1.82.
This removes the `lint_reasons` feature which is stabilized in 1.81 and the
`raw_ref_ops` and `new_uninit` features which are stabilized in 1.82.
Given we do not use any features that are stabilized in 1.82..=1.85 range,
and pin-init crate is useful for other projects which may have their own
MSRV requirements, the minimum version is not straightly bumped to 1.85.
Reviewed-by: Benno Lossin <lossin@kernel.org>
Link: https://patch.msgid.link/20260428-pin-init-sync-v1-2-07f9bd3859fb@garyguo.net
Signed-off-by: Gary Guo <gary@garyguo.net>
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`feature(raw_ref_op)` became stable in Rust 1.82.0 which is the current
MSRV of pin-init with no default features. Earlier Rust versions will
now need to enable `raw_ref_op` to continue to work with pin-init.
This reduces visual complexity and improves consistency with existing
reference syntax.
Suggested-by: Benno Lossin <lossin@kernel.org>
Link: https://github.com/Rust-for-Linux/linux/issues/1148
Closes: https://github.com/Rust-for-Linux/pin-init/issues/99
Signed-off-by: Antonio Hickey <contact@antoniohickey.com>
Link: https://github.com/Rust-for-Linux/pin-init/commit/e27763004e2f6616b089437fbe9b3719cd72bd5c
[ Reworded commit message. - Benno ]
Reviewed-by: Gary Guo <gary@garyguo.net>
Link: https://patch.msgid.link/20260319093542.3756606-6-lossin@kernel.org
Signed-off-by: Benno Lossin <lossin@kernel.org>
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We use some features that are already stable in later versions of Rust,
but only available as unstable features in older Rust versions that the
kernel needs to support.
Instead of checking if a feature is already stable, simply enable them
and allow the warning if the feature is already stable. This avoids the
need of hardcoding whether a feature has been stabilized at a given
version.
`#[feature(...)]` is used when cfg `USE_RUSTC_FEATURES` is enabled. The
build script automatically does this when a nightly compiler is detected
or `RUSTC_BOOTSTRAP` is set.
Signed-off-by: Gary Guo <gary@garyguo.net>
Link: https://github.com/Rust-for-Linux/pin-init/commit/885c5d83d7eb778a796d4a17380a0898b0d0a571
[ Added kernel build system changes to always enable USE_RUSTC_FEATURES.
Moved this commit earlier (swapped with the next one) to avoid a build
error. - Benno ]
Link: https://patch.msgid.link/20260319093542.3756606-2-lossin@kernel.org
Signed-off-by: Benno Lossin <lossin@kernel.org>
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compile under any feature combination
In the CI, all examples & tests should be run under all feature
combinations. Currently several examples & tests use `std` without
conditionally enabling it. Thus make them all compile under any feature
combination by conditionally disabling the code that uses e.g. `std`.
Link: https://github.com/Rust-for-Linux/pin-init/pull/50/commits/fdfb70efddbc711b4543c850ee38a2f5a8d17cb6
Link: https://lore.kernel.org/all/20250523125424.192843-2-lossin@kernel.org
Signed-off-by: Benno Lossin <lossin@kernel.org>
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`lint_reasons` is unstable in Rust 1.80 and earlier, enable it
conditionally in the examples to allow compiling them with older
compilers.
Link: https://github.com/Rust-for-Linux/pin-init/pull/33/commits/ec494fe686b0a97d5b59b5be5a42d3858038ea6a
Link: https://lore.kernel.org/all/20250414195928.129040-3-benno.lossin@proton.me
Signed-off-by: Benno Lossin <benno.lossin@proton.me>
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Replace the examples in the documentation by the ones from the
user-space version and introduce the standalone examples from the
user-space version such as the `CMutex<T>` type.
The `CMutex<T>` example from the pinned-init repository [1] is used in
several documentation examples in the user-space version instead of the
kernel `Mutex<T>` type (as it's not available). In order to split off
the pin-init crate, all examples need to be free of kernel-specific
types.
Link: https://github.com/rust-for-Linux/pinned-init [1]
Signed-off-by: Benno Lossin <benno.lossin@proton.me>
Reviewed-by: Fiona Behrens <me@kloenk.dev>
Tested-by: Andreas Hindborg <a.hindborg@kernel.org>
Link: https://lore.kernel.org/r/20250308110339.2997091-6-benno.lossin@proton.me
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
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