1 // SPDX-License-Identifier: GPL-2.0 2 3 #include <linux/spinlock.h> 4 5 __rust_helper void rust_helper___spin_lock_init(spinlock_t *lock, 6 const char *name, 7 struct lock_class_key *key) 8 { 9 #ifdef CONFIG_DEBUG_SPINLOCK 10 # if defined(CONFIG_PREEMPT_RT) 11 __spin_lock_init(lock, name, key, false); 12 # else /*!CONFIG_PREEMPT_RT */ 13 __raw_spin_lock_init(spinlock_check(lock), name, key, LD_WAIT_CONFIG); 14 # endif /* CONFIG_PREEMPT_RT */ 15 #else /* !CONFIG_DEBUG_SPINLOCK */ 16 spin_lock_init(lock); 17 #endif /* CONFIG_DEBUG_SPINLOCK */ 18 } 19 20 __rust_helper void rust_helper_spin_lock(spinlock_t *lock) 21 { 22 spin_lock(lock); 23 } 24 25 __rust_helper void rust_helper_spin_unlock(spinlock_t *lock) 26 { 27 spin_unlock(lock); 28 } 29 30 __rust_helper int rust_helper_spin_trylock(spinlock_t *lock) 31 { 32 return spin_trylock(lock); 33 } 34 35 __rust_helper void rust_helper_spin_assert_is_held(spinlock_t *lock) 36 { 37 lockdep_assert_held(lock); 38 } 39