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