diff options
Diffstat (limited to 'include/asm-x86_64/spinlock.h')
| -rw-r--r-- | include/asm-x86_64/spinlock.h | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/include/asm-x86_64/spinlock.h b/include/asm-x86_64/spinlock.h index fe484a699cc3..8d3421996f94 100644 --- a/include/asm-x86_64/spinlock.h +++ b/include/asm-x86_64/spinlock.h @@ -4,7 +4,6 @@ #include <asm/atomic.h> #include <asm/rwlock.h> #include <asm/page.h> -#include <linux/config.h> /* * Your basic SMP spinlocks, allowing only a single CPU anywhere @@ -32,15 +31,19 @@ "jmp 1b\n" \ LOCK_SECTION_END +#define __raw_spin_lock_string_up \ + "\n\tdecl %0" + #define __raw_spin_unlock_string \ "movl $1,%0" \ :"=m" (lock->slock) : : "memory" static inline void __raw_spin_lock(raw_spinlock_t *lock) { - __asm__ __volatile__( - __raw_spin_lock_string - :"=m" (lock->slock) : : "memory"); + alternative_smp( + __raw_spin_lock_string, + __raw_spin_lock_string_up, + "=m" (lock->slock) : : "memory"); } #define __raw_spin_lock_flags(lock, flags) __raw_spin_lock(lock) |