From d0b2f91bede3bd5e3d24dd6803e56eee959c1797 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Thu, 20 Oct 2016 00:10:27 -0300 Subject: Linux-libre 4.8.2-gnu --- arch/parisc/include/asm/spinlock.h | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) (limited to 'arch/parisc/include/asm/spinlock.h') diff --git a/arch/parisc/include/asm/spinlock.h b/arch/parisc/include/asm/spinlock.h index 64f2992e4..e32936cd7 100644 --- a/arch/parisc/include/asm/spinlock.h +++ b/arch/parisc/include/asm/spinlock.h @@ -13,8 +13,13 @@ static inline int arch_spin_is_locked(arch_spinlock_t *x) } #define arch_spin_lock(lock) arch_spin_lock_flags(lock, 0) -#define arch_spin_unlock_wait(x) \ - do { cpu_relax(); } while (arch_spin_is_locked(x)) + +static inline void arch_spin_unlock_wait(arch_spinlock_t *x) +{ + volatile unsigned int *a = __ldcw_align(x); + + smp_cond_load_acquire(a, VAL); +} static inline void arch_spin_lock_flags(arch_spinlock_t *x, unsigned long flags) -- cgit v1.2.3-54-g00ecf