diff options
| -rw-r--r-- | arch/x86/include/asm/mutex.h | 10 | ||||
| -rw-r--r-- | kernel/mutex.c | 9 |
2 files changed, 2 insertions, 17 deletions
diff --git a/arch/x86/include/asm/mutex.h b/arch/x86/include/asm/mutex.h index bc2a0b0dcea..7d3a4827539 100644 --- a/arch/x86/include/asm/mutex.h +++ b/arch/x86/include/asm/mutex.h @@ -3,13 +3,3 @@ #else # include <asm/mutex_64.h> #endif - -#ifndef __ASM_MUTEX_H -#define __ASM_MUTEX_H -/* - * For the x86 architecture, it allows any negative number (besides -1) in - * the mutex count to indicate that some other threads are waiting on the - * mutex. - */ -#define __ARCH_ALLOW_ANY_NEGATIVE_MUTEX_COUNT 1 -#endif diff --git a/kernel/mutex.c b/kernel/mutex.c index 1dbd4210bae..ad53a664f11 100644 --- a/kernel/mutex.c +++ b/kernel/mutex.c @@ -38,15 +38,10 @@ #endif /* - * A mutex count of -1 indicates that waiters are sleeping waiting for the - * mutex. Some architectures can allow any negative number, not just -1, for - * this purpose. + * A negative mutex count indicates that waiters are sleeping waiting for the + * mutex. */ -#ifdef __ARCH_ALLOW_ANY_NEGATIVE_MUTEX_COUNT #define MUTEX_SHOW_NO_WAITER(mutex) (atomic_read(&(mutex)->count) >= 0) -#else -#define MUTEX_SHOW_NO_WAITER(mutex) (atomic_read(&(mutex)->count) != -1) -#endif void __mutex_init(struct mutex *lock, const char *name, struct lock_class_key *key) |