diff options
Diffstat (limited to 'src/arch/arm/include/smp/spinlock.h')
| -rw-r--r-- | src/arch/arm/include/smp/spinlock.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/arch/arm/include/smp/spinlock.h b/src/arch/arm/include/smp/spinlock.h index a8f9c77c73..f98900a66b 100644 --- a/src/arch/arm/include/smp/spinlock.h +++ b/src/arch/arm/include/smp/spinlock.h @@ -29,9 +29,9 @@ typedef struct { #define SPIN_LOCK_UNLOCKED (spinlock_t) { 1 } #define DECLARE_SPIN_LOCK(x) static spinlock_t x = SPIN_LOCK_UNLOCKED; -#define barrier() __asm__ __volatile__("": : :"memory") +#define barrier() (__asm__ __volatile__("" : : : "memory")) #define spin_is_locked(x) (*(volatile char *)(&(x)->lock) != 0) -#define spin_unlock_wait(x) do { barrier(); } while(spin_is_locked(x)) +#define spin_unlock_wait(x) do { barrier(); } while (spin_is_locked(x)) static inline __attribute__((always_inline)) void spin_lock(spinlock_t *lock) { |