diff options
Diffstat (limited to 'arch/parisc/include/asm/spinlock.h')
| -rw-r--r-- | arch/parisc/include/asm/spinlock.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/parisc/include/asm/spinlock.h b/arch/parisc/include/asm/spinlock.h index 8a63515f03bf..16aec9ba2580 100644 --- a/arch/parisc/include/asm/spinlock.h +++ b/arch/parisc/include/asm/spinlock.h @@ -37,8 +37,8 @@ static inline void arch_spin_unlock(arch_spinlock_t *x) volatile unsigned int *a; a = __ldcw_align(x); - mb(); - *a = 1; + /* Release with ordered store. */ + __asm__ __volatile__("stw,ma %0,0(%1)" : : "r"(1), "r"(a) : "memory"); } static inline int arch_spin_trylock(arch_spinlock_t *x) |