diff options
Diffstat (limited to 'include/asm-powerpc/spinlock.h')
| -rw-r--r-- | include/asm-powerpc/spinlock.h | 23 |
1 files changed, 13 insertions, 10 deletions
diff --git a/include/asm-powerpc/spinlock.h b/include/asm-powerpc/spinlock.h index caa4b14e0e94..895cb6d3a42a 100644 --- a/include/asm-powerpc/spinlock.h +++ b/include/asm-powerpc/spinlock.h @@ -1,5 +1,6 @@ #ifndef __ASM_SPINLOCK_H #define __ASM_SPINLOCK_H +#ifdef __KERNEL__ /* * Simple spin lock operations. @@ -45,7 +46,7 @@ static __inline__ unsigned long __spin_trylock(raw_spinlock_t *lock) token = LOCK_TOKEN; __asm__ __volatile__( -"1: lwarx %0,0,%2 # __spin_trylock\n\ +"1: lwarx %0,0,%2\n\ cmpwi 0,%0,0\n\ bne- 2f\n\ stwcx. %1,0,%2\n\ @@ -79,7 +80,7 @@ static int __inline__ __raw_spin_trylock(raw_spinlock_t *lock) #if defined(CONFIG_PPC_SPLPAR) || defined(CONFIG_PPC_ISERIES) /* We only yield to the hypervisor if we are in shared processor mode */ -#define SHARED_PROCESSOR (get_paca()->lppaca.shared_proc) +#define SHARED_PROCESSOR (get_lppaca()->shared_proc) extern void __spin_yield(raw_spinlock_t *lock); extern void __rw_yield(raw_rwlock_t *lock); #else /* SPLPAR || ISERIES */ @@ -123,8 +124,8 @@ static void __inline__ __raw_spin_lock_flags(raw_spinlock_t *lock, unsigned long static __inline__ void __raw_spin_unlock(raw_spinlock_t *lock) { - __asm__ __volatile__(SYNC_ON_SMP" # __raw_spin_unlock" - : : :"memory"); + __asm__ __volatile__("# __raw_spin_unlock\n\t" + LWSYNC_ON_SMP: : :"memory"); lock->slock = 0; } @@ -166,7 +167,7 @@ static long __inline__ __read_trylock(raw_rwlock_t *rw) long tmp; __asm__ __volatile__( -"1: lwarx %0,0,%1 # read_trylock\n" +"1: lwarx %0,0,%1\n" __DO_SIGN_EXTEND " addic. %0,%0,1\n\ ble- 2f\n" @@ -191,7 +192,7 @@ static __inline__ long __write_trylock(raw_rwlock_t *rw) token = WRLOCK_TOKEN; __asm__ __volatile__( -"1: lwarx %0,0,%2 # write_trylock\n\ +"1: lwarx %0,0,%2\n\ cmpwi 0,%0,0\n\ bne- 2f\n" PPC405_ERR77(0,%1) @@ -248,8 +249,9 @@ static void __inline__ __raw_read_unlock(raw_rwlock_t *rw) long tmp; __asm__ __volatile__( - "eieio # read_unlock\n\ -1: lwarx %0,0,%1\n\ + "# read_unlock\n\t" + LWSYNC_ON_SMP +"1: lwarx %0,0,%1\n\ addic %0,%0,-1\n" PPC405_ERR77(0,%1) " stwcx. %0,0,%1\n\ @@ -261,9 +263,10 @@ static void __inline__ __raw_read_unlock(raw_rwlock_t *rw) static __inline__ void __raw_write_unlock(raw_rwlock_t *rw) { - __asm__ __volatile__(SYNC_ON_SMP" # write_unlock" - : : :"memory"); + __asm__ __volatile__("# write_unlock\n\t" + LWSYNC_ON_SMP: : :"memory"); rw->lock = 0; } +#endif /* __KERNEL__ */ #endif /* __ASM_SPINLOCK_H */ |
