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Reintroduce dynamically-allocated LockClassKeys such that they are automatically (de)registered. Require that all usages of LockClassKeys ensure that they are Pin'd. Currently, only `'static` LockClassKeys are supported, so Pin is redundant. However, it is intended that dynamically-allocated LockClassKeys will eventually be supported, so using Pin from the outset will make that change simpler. Closes: https://github.com/Rust-for-Linux/linux/issues/1102 Suggested-by: Benno Lossin <benno.lossin@proton.me> Suggested-by: Boqun Feng <boqun.feng@gmail.com> Signed-off-by: Mitchell Levy <levymitchell0@gmail.com> Signed-off-by: Boqun Feng <boqun.feng@gmail.com> Signed-off-by: Ingo Molnar <mingo@kernel.org> Reviewed-by: Benno Lossin <benno.lossin@proton.me> Link: https://lore.kernel.org/r/20250307232717.1759087-12-boqun.feng@gmail.com
13 lines
258 B
C
13 lines
258 B
C
// SPDX-License-Identifier: GPL-2.0
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#include <linux/lockdep.h>
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void rust_helper_lockdep_register_key(struct lock_class_key *k)
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{
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lockdep_register_key(k);
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}
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void rust_helper_lockdep_unregister_key(struct lock_class_key *k)
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{
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lockdep_unregister_key(k);
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}
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