diff options
Diffstat (limited to 'include/asm-ppc/spinlock.h')
| -rw-r--r-- | include/asm-ppc/spinlock.h | 19 |
1 files changed, 2 insertions, 17 deletions
diff --git a/include/asm-ppc/spinlock.h b/include/asm-ppc/spinlock.h index 327b4927a..ad1fdda17 100644 --- a/include/asm-ppc/spinlock.h +++ b/include/asm-ppc/spinlock.h @@ -1,10 +1,8 @@ #ifndef __ASM_SPINLOCK_H #define __ASM_SPINLOCK_H -/* Simple spin lock operations. There are two variants, one clears IRQ's - * on the local processor, one does not. - * - * We make no fairness assumptions. They have a cost. +/* + * Simple spin lock operations. */ typedef struct { @@ -24,19 +22,6 @@ extern int spin_trylock(spinlock_t *lock); #define spin_lock(lp) _spin_lock(lp) #define spin_unlock(lp) _spin_unlock(lp) -#define spin_lock_irq(lock) \ - do { __cli(); spin_lock(lock); } while (0) -#define spin_lock_bh(___lk) do { local_bh_disable(); spin_lock(___lk); } while(0) - -#define spin_unlock_irq(lock) \ - do { spin_unlock(lock); __sti(); } while (0) -#define spin_unlock_bh(___lk) do { spin_unlock(___lk); local_bh_enable(); } while(0) - -#define spin_lock_irqsave(lock, flags) \ - do { __save_flags(flags); __cli(); spin_lock(lock); } while (0) -#define spin_unlock_irqrestore(lock, flags) \ - do { spin_unlock(lock); __restore_flags(flags); } while (0) - extern unsigned long __spin_trylock(volatile unsigned long *lock); /* |