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Diffstat (limited to 'arch/s390/include/asm/spinlock.h')
-rw-r--r--arch/s390/include/asm/spinlock.h9
1 files changed, 1 insertions, 8 deletions
diff --git a/arch/s390/include/asm/spinlock.h b/arch/s390/include/asm/spinlock.h
index d6bdf906caa5..0e37cd041241 100644
--- a/arch/s390/include/asm/spinlock.h
+++ b/arch/s390/include/asm/spinlock.h
@@ -18,14 +18,7 @@ extern int spin_retry;
static inline int
_raw_compare_and_swap(unsigned int *lock, unsigned int old, unsigned int new)
{
- unsigned int old_expected = old;
-
- asm volatile(
- " cs %0,%3,%1"
- : "=d" (old), "=Q" (*lock)
- : "0" (old), "d" (new), "Q" (*lock)
- : "cc", "memory" );
- return old == old_expected;
+ return __sync_bool_compare_and_swap(lock, old, new);
}
/*