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

From: tip-bot for H. Peter Anvin
Date: Wed Jun 08 2016 - 15:49:41 EST


Commit-ID: 35ccfb7114e2f0f454f264c049b03c31f4c6bbc0
Gitweb: http://git.kernel.org/tip/35ccfb7114e2f0f454f264c049b03c31f4c6bbc0
Author: H. Peter Anvin <hpa@xxxxxxxxx>
AuthorDate: Wed, 8 Jun 2016 12:38:44 -0700
Committer: H. Peter Anvin <hpa@xxxxxxxxxxxxxxx>
CommitDate: Wed, 8 Jun 2016 12:41:20 -0700

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

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

Signed-off-by: H. Peter Anvin <hpa@xxxxxxxxx>
Link: http://lkml.kernel.org/r/1465414726-197858-9-git-send-email-hpa@xxxxxxxxxxxxxxx
Reviewed-by: Andy Lutomirski <luto@xxxxxxxxxx>
Reviewed-by: Borislav Petkov <bp@xxxxxxx>
Acked-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
---
arch/x86/include/asm/rwsem.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/include/asm/rwsem.h b/arch/x86/include/asm/rwsem.h
index c508770..1e8be26 100644
--- a/arch/x86/include/asm/rwsem.h
+++ b/arch/x86/include/asm/rwsem.h
@@ -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;