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s390/cmpxchg: Use arch_cmpxchg() instead of __atomic_cmpxchg()

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Use arch_cmpxchg() instead of __atomic_cmpxchg() for the
arch_atomic_cmpxchg() implementations. arch_cmpxchg() generates
the same code and doesn't need a cast like it is required for
arch_atomic64_cmpxchg().

Reviewed-by: Juergen Christ <jchrist@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
This commit is contained in:
Heiko Carstens
2024-11-06 11:03:12 +01:00
parent ffc5eac2cd
commit f99d670e31
1 changed files with 2 additions and 2 deletions
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4
arch/s390/include/asm/atomic.h
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@@ -80,7 +80,7 @@ static __always_inline int arch_atomic_xchg(atomic_t *v, int new)
static __always_inline int arch_atomic_cmpxchg(atomic_t *v, int old, int new)
{
return __atomic_cmpxchg(&v->counter, old, new);
return arch_cmpxchg(&v->counter, old, new);
}
#define arch_atomic_cmpxchg arch_atomic_cmpxchg
@@ -124,7 +124,7 @@ static __always_inline s64 arch_atomic64_xchg(atomic64_t *v, s64 new)
static __always_inline s64 arch_atomic64_cmpxchg(atomic64_t *v, s64 old, s64 new)
{
return __atomic64_cmpxchg((long *)&v->counter, old, new);
return arch_cmpxchg(&v->counter, old, new);
}
#define arch_atomic64_cmpxchg arch_atomic64_cmpxchg