diff options
Diffstat (limited to 'kern/spinlock_i.h')
| -rw-r--r-- | kern/spinlock_i.h | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/kern/spinlock_i.h b/kern/spinlock_i.h index 69de0b01..bf9bf2c7 100644 --- a/kern/spinlock_i.h +++ b/kern/spinlock_i.h @@ -21,9 +21,10 @@ #include <stddef.h> #include <stdint.h> +#include <kern/assert.h> +#include <kern/atomic.h> #include <kern/error.h> #include <kern/spinlock_types.h> -#include <machine/atomic.h> #include <machine/cpu.h> /* @@ -39,7 +40,7 @@ spinlock_lock_fast(struct spinlock *lock) { unsigned int prev; - prev = atomic_cas_uint(&lock->value, SPINLOCK_UNLOCKED, SPINLOCK_LOCKED); + prev = atomic_cas_seq_cst(&lock->value, SPINLOCK_UNLOCKED, SPINLOCK_LOCKED); if (prev != SPINLOCK_UNLOCKED) { return ERROR_BUSY; @@ -53,7 +54,7 @@ spinlock_unlock_fast(struct spinlock *lock) { unsigned int prev; - prev = atomic_cas_uint(&lock->value, SPINLOCK_LOCKED, SPINLOCK_UNLOCKED); + prev = atomic_cas_seq_cst(&lock->value, SPINLOCK_LOCKED, SPINLOCK_UNLOCKED); if (prev != SPINLOCK_LOCKED) { return ERROR_BUSY; |