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spin_lock_irq_disable() and spin_unlock_irq_enable() are inline functions, to use them in Rust helpers are introduced. This is for interrupt disabling lock abstraction in Rust. Signed-off-by: Boqun Feng <boqun@kernel.org> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Reviewed-by: Andreas Hindborg <a.hindborg@kernel.org> Reviewed-by: Gary Guo <gary@garyguo.net> Link: https://patch.msgid.link/20260807070218.27144-16-boqun@kernel.org
54 lines
1.2 KiB
C
54 lines
1.2 KiB
C
// SPDX-License-Identifier: GPL-2.0
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#include <linux/spinlock.h>
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__rust_helper void rust_helper___spin_lock_init(spinlock_t *lock,
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const char *name,
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struct lock_class_key *key)
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{
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#ifdef CONFIG_DEBUG_SPINLOCK
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# if defined(CONFIG_PREEMPT_RT)
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__spin_lock_init(lock, name, key, false);
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# else /*!CONFIG_PREEMPT_RT */
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__raw_spin_lock_init(spinlock_check(lock), name, key, LD_WAIT_CONFIG);
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# endif /* CONFIG_PREEMPT_RT */
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#else /* !CONFIG_DEBUG_SPINLOCK */
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spin_lock_init(lock);
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#endif /* CONFIG_DEBUG_SPINLOCK */
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}
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__rust_helper void rust_helper_spin_lock(spinlock_t *lock)
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{
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spin_lock(lock);
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}
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__rust_helper void rust_helper_spin_unlock(spinlock_t *lock)
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{
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spin_unlock(lock);
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}
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__rust_helper int rust_helper_spin_trylock(spinlock_t *lock)
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{
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return spin_trylock(lock);
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}
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__rust_helper void rust_helper_spin_assert_is_held(spinlock_t *lock)
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{
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lockdep_assert_held(lock);
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}
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__rust_helper void rust_helper_spin_lock_irq_disable(spinlock_t *lock)
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{
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spin_lock_irq_disable(lock);
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}
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__rust_helper void rust_helper_spin_unlock_irq_enable(spinlock_t *lock)
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{
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spin_unlock_irq_enable(lock);
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}
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__rust_helper int rust_helper_spin_trylock_irq_disable(spinlock_t *lock)
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{
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return spin_trylock_irq_disable(lock);
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}
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