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Message-Id: <1465342269-492350-9-git-send-email-hpa@linux.intel.com>
Date: Tue, 7 Jun 2016 16:31:07 -0700
From: "H. Peter Anvin" <hpa@...ux.intel.com>
To: Ingo Molnar <mingo@...nel.org>,
Thomas Gleixner <tglx@...utronix.de>,
"H. Peter Anvin" <hpa@...or.com>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Cc: Peter Zijlstra <peterz@...radead.org>,
Andy Lutomirski <luto@...capital.net>,
Borislav Petkov <bp@...en8.de>
Subject: [PATCH 08/10] x86, asm: Use CC_SET()/CC_OUT() in <asm/rwsem.h>
From: "H. Peter Anvin" <hpa@...or.com>
Remove open-coded uses of set instructions to use CC_SET()/CC_OUT() in
<asm/rwsem.h>.
Signed-off-by: H. Peter Anvin <hpa@...or.com>
---
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;
--
2.7.3.0.11.gd79db92
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