diff options
Diffstat (limited to 'include/asm-x86/mutex_32.h')
| -rw-r--r-- | include/asm-x86/mutex_32.h | 66 |
1 files changed, 31 insertions, 35 deletions
diff --git a/include/asm-x86/mutex_32.h b/include/asm-x86/mutex_32.h index bbeefb96ddf..73e928ef5f0 100644 --- a/include/asm-x86/mutex_32.h +++ b/include/asm-x86/mutex_32.h @@ -9,7 +9,7 @@ #ifndef _ASM_MUTEX_H #define _ASM_MUTEX_H -#include "asm/alternative.h" +#include <asm/alternative.h> /** * __mutex_fastpath_lock - try to take the lock by moving the count @@ -21,22 +21,20 @@ * wasn't 1 originally. This function MUST leave the value lower than 1 * even when the "1" assertion wasn't true. */ -#define __mutex_fastpath_lock(count, fail_fn) \ -do { \ - unsigned int dummy; \ - \ - typecheck(atomic_t *, count); \ +#define __mutex_fastpath_lock(count, fail_fn) \ +do { \ + unsigned int dummy; \ + \ + typecheck(atomic_t *, count); \ typecheck_fn(void (*)(atomic_t *), fail_fn); \ - \ - __asm__ __volatile__( \ - LOCK_PREFIX " decl (%%eax) \n" \ - " jns 1f \n" \ - " call "#fail_fn" \n" \ - "1: \n" \ - \ - :"=a" (dummy) \ - : "a" (count) \ - : "memory", "ecx", "edx"); \ + \ + asm volatile(LOCK_PREFIX " decl (%%eax)\n" \ + " jns 1f \n" \ + " call " #fail_fn "\n" \ + "1:\n" \ + : "=a" (dummy) \ + : "a" (count) \ + : "memory", "ecx", "edx"); \ } while (0) @@ -50,8 +48,8 @@ do { \ * wasn't 1 originally. This function returns 0 if the fastpath succeeds, * or anything the slow path function returns */ -static inline int -__mutex_fastpath_lock_retval(atomic_t *count, int (*fail_fn)(atomic_t *)) +static inline int __mutex_fastpath_lock_retval(atomic_t *count, + int (*fail_fn)(atomic_t *)) { if (unlikely(atomic_dec_return(count) < 0)) return fail_fn(count); @@ -72,22 +70,20 @@ __mutex_fastpath_lock_retval(atomic_t *count, int (*fail_fn)(atomic_t *)) * __mutex_slowpath_needs_to_unlock() macro needs to return 1, it needs * to return 0 otherwise. */ -#define __mutex_fastpath_unlock(count, fail_fn) \ -do { \ - unsigned int dummy; \ - \ - typecheck(atomic_t *, count); \ +#define __mutex_fastpath_unlock(count, fail_fn) \ +do { \ + unsigned int dummy; \ + \ + typecheck(atomic_t *, count); \ typecheck_fn(void (*)(atomic_t *), fail_fn); \ - \ - __asm__ __volatile__( \ - LOCK_PREFIX " incl (%%eax) \n" \ - " jg 1f \n" \ - " call "#fail_fn" \n" \ - "1: \n" \ - \ - :"=a" (dummy) \ - : "a" (count) \ - : "memory", "ecx", "edx"); \ + \ + asm volatile(LOCK_PREFIX " incl (%%eax)\n" \ + " jg 1f\n" \ + " call " #fail_fn "\n" \ + "1:\n" \ + : "=a" (dummy) \ + : "a" (count) \ + : "memory", "ecx", "edx"); \ } while (0) #define __mutex_slowpath_needs_to_unlock() 1 @@ -104,8 +100,8 @@ do { \ * Additionally, if the value was < 0 originally, this function must not leave * it to 0 on failure. */ -static inline int -__mutex_fastpath_trylock(atomic_t *count, int (*fail_fn)(atomic_t *)) +static inline int __mutex_fastpath_trylock(atomic_t *count, + int (*fail_fn)(atomic_t *)) { /* * We have two variants here. The cmpxchg based one is the best one |