diff options
Diffstat (limited to 'arch/s390/include/asm/spinlock.h')
| -rw-r--r-- | arch/s390/include/asm/spinlock.h | 18 |
1 files changed, 0 insertions, 18 deletions
diff --git a/arch/s390/include/asm/spinlock.h b/arch/s390/include/asm/spinlock.h index a587907d77f3..56612fc8186e 100644 --- a/arch/s390/include/asm/spinlock.h +++ b/arch/s390/include/asm/spinlock.h @@ -13,8 +13,6 @@ #include <linux/smp.h> -#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ > 2) - static inline int _raw_compare_and_swap(volatile unsigned int *lock, unsigned int old, unsigned int new) @@ -27,22 +25,6 @@ _raw_compare_and_swap(volatile unsigned int *lock, return old; } -#else /* __GNUC__ */ - -static inline int -_raw_compare_and_swap(volatile unsigned int *lock, - unsigned int old, unsigned int new) -{ - asm volatile( - " cs %0,%3,0(%4)" - : "=d" (old), "=m" (*lock) - : "0" (old), "d" (new), "a" (lock), "m" (*lock) - : "cc", "memory" ); - return old; -} - -#endif /* __GNUC__ */ - /* * Simple spin lock operations. There are two variants, one clears IRQ's * on the local processor, one does not. |