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x86, asm: Use CC_SET()/CC_OUT() in <asm/rwsem.h>

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Remove open-coded uses of set instructions to use CC_SET()/CC_OUT() in
<asm/rwsem.h>.

Signed-off-by: H. Peter Anvin <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Reviewed-by: Andy Lutomirski <[email protected]>
Reviewed-by: Borislav Petkov <[email protected]>
Acked-by: Peter Zijlstra (Intel) <[email protected]>
This commit is contained in:
H. Peter Anvin authored and H. Peter Anvin committed 2016-06-08 12:41:20 -07:00
1 parent 64be6d36f5
commit 35ccfb7114
1 file changed
+2 -2
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arch/x86/include/asm/rwsem.h
+2 -2
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@@ -149,10 +149,10 @@ static inline bool __down_write_trylock(struct rw_semaphore *sem)
LOCK_PREFIX " cmpxchg %2,%0\n\t"
" jnz 1b\n\t"
"2:\n\t"
" sete %3\n\t"
CC_SET(e)
"# ending __down_write_trylock\n\t"
: "+m" (sem->count), "=&a" (tmp0), "=&r" (tmp1),
"=qm" (result)
CC_OUT(e) (result)
: "er" (RWSEM_ACTIVE_WRITE_BIAS)
: "memory", "cc");
return result;