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| author |   Thomas Gleixner <tglx@linutronix.de> | 2008-01-30 13:30:34 +0100 |
|---|---|---|
| committer |   Ingo Molnar <mingo@elte.hu> | 2008-01-30 13:30:34 +0100 |
| commit | 6514f93a2ce643ef5914eae7ce49b978e1d356aa (patch) | |
| tree | 048b77dbd62677bdcaba692e626dfc070ef0d28f /include/asm-x86/spinlock_64.h | |
| parent | x86: fix asm constraints in spinlock_32/64.h (diff) | |
| download | linux-dev-6514f93a2ce643ef5914eae7ce49b978e1d356aa.tar.xz linux-dev-6514f93a2ce643ef5914eae7ce49b978e1d356aa.zip | |
x86: use immediates instead of RW_LOCK_BIAS_STR
Use immediate instead of the RW_LOCK_BIAS_STR.
Makes the code more readable and gets rid of the string constant.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to '')
| -rw-r--r-- | include/asm-x86/spinlock_64.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/include/asm-x86/spinlock_64.h b/include/asm-x86/spinlock_64.h index e81f6c18d877..ab50e7f51058 100644 --- a/include/asm-x86/spinlock_64.h +++ b/include/asm-x86/spinlock_64.h @@ -127,7 +127,7 @@ static inline void __raw_read_lock(raw_rwlock_t *rw) "jns 1f\n" "call __read_lock_failed\n\t" "1:\n" - ::"D" (rw), "i" (RW_LOCK_BIAS) : "memory"); + ::"D" (rw) : "memory"); } static inline void __raw_write_lock(raw_rwlock_t *rw) @@ -167,8 +167,8 @@ static inline void __raw_read_unlock(raw_rwlock_t *rw) static inline void __raw_write_unlock(raw_rwlock_t *rw) { - asm volatile(LOCK_PREFIX "addl $" RW_LOCK_BIAS_STR ", %0" - : "+m" (rw->lock) : : "memory"); + asm volatile(LOCK_PREFIX "addl %1, %0" + : "+m" (rw->lock) : "i" (RW_LOCK_BIAS) : "memory"); } #define _raw_spin_relax(lock) cpu_relax() |