local_add_return should also deal with the removed volatile from local_t.
Inspired from atomic_t modifications : it must use the local_t both as input and
output.
Signed-off-by: Mathieu Desnoyers <[email protected]>
--- a/include/asm-x86_64/local.h
+++ b/include/asm-x86_64/local.h
@@ -136,8 +136,8 @@ static __inline__ long local_add_return(
long __i = i;
__asm__ __volatile__(
"xaddq %0, %1;"
- :"=r"(i)
- :"m"(l->a.counter), "0"(i));
+ :"+r" (i), "+m" (l->a.counter)
+ : : "memory");
return i + __i;
}
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