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Diffstat (limited to 'arch/x86/include/asm/atomic.h')
-rw-r--r--arch/x86/include/asm/atomic.h12
1 files changed, 2 insertions, 10 deletions
diff --git a/arch/x86/include/asm/atomic.h b/arch/x86/include/asm/atomic.h
index 55a55ec043..55b4d24356 100644
--- a/arch/x86/include/asm/atomic.h
+++ b/arch/x86/include/asm/atomic.h
@@ -86,11 +86,7 @@ static __always_inline int arch_atomic_add_return(int i, atomic_t *v)
}
#define arch_atomic_add_return arch_atomic_add_return
-static __always_inline int arch_atomic_sub_return(int i, atomic_t *v)
-{
- return arch_atomic_add_return(-i, v);
-}
-#define arch_atomic_sub_return arch_atomic_sub_return
+#define arch_atomic_sub_return(i, v) arch_atomic_add_return(-(i), v)
static __always_inline int arch_atomic_fetch_add(int i, atomic_t *v)
{
@@ -98,11 +94,7 @@ static __always_inline int arch_atomic_fetch_add(int i, atomic_t *v)
}
#define arch_atomic_fetch_add arch_atomic_fetch_add
-static __always_inline int arch_atomic_fetch_sub(int i, atomic_t *v)
-{
- return xadd(&v->counter, -i);
-}
-#define arch_atomic_fetch_sub arch_atomic_fetch_sub
+#define arch_atomic_fetch_sub(i, v) arch_atomic_fetch_add(-(i), v)
static __always_inline int arch_atomic_cmpxchg(atomic_t *v, int old, int new)
{