From: tip-bot for Peter Zijlstra <tipbot@zytor.com>
To: linux-tip-commits@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, hpa@zytor.com, mingo@kernel.org,
torvalds@linux-foundation.org, liqin.linux@gmail.com,
peterz@infradead.org, lennox.wu@gmail.com,
paulmck@linux.vnet.ibm.com, tglx@linutronix.de
Subject: [tip:locking/core] arch,score: Convert smp_mb__*()
Date: Fri, 18 Apr 2014 06:11:50 -0700 [thread overview]
Message-ID: <tip-4mv9svf28lnotjpfuza8urh8@git.kernel.org> (raw)
Commit-ID: 57aa6a76864dfbb5450728199c37c02f401586ec
Gitweb: http://git.kernel.org/tip/57aa6a76864dfbb5450728199c37c02f401586ec
Author: Peter Zijlstra <peterz@infradead.org>
AuthorDate: Thu, 13 Mar 2014 19:00:35 +0100
Committer: Ingo Molnar <mingo@kernel.org>
CommitDate: Fri, 18 Apr 2014 14:20:43 +0200
arch,score: Convert smp_mb__*()
score fully relies on asm-generic/barrier.h, so it can use its default
implementation.
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: Lennox Wu <lennox.wu@gmail.com>
Link: http://lkml.kernel.org/n/tip-4mv9svf28lnotjpfuza8urh8@git.kernel.org
Cc: Chen Liqin <liqin.linux@gmail.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
arch/score/include/asm/bitops.h | 7 +------
1 file changed, 1 insertion(+), 6 deletions(-)
diff --git a/arch/score/include/asm/bitops.h b/arch/score/include/asm/bitops.h
index a304096..c1bf8d6 100644
--- a/arch/score/include/asm/bitops.h
+++ b/arch/score/include/asm/bitops.h
@@ -2,12 +2,7 @@
#define _ASM_SCORE_BITOPS_H
#include <asm/byteorder.h> /* swab32 */
-
-/*
- * clear_bit() doesn't provide any barrier for the compiler.
- */
-#define smp_mb__before_clear_bit() barrier()
-#define smp_mb__after_clear_bit() barrier()
+#include <asm/barrier.h>
#include <asm-generic/bitops.h>
#include <asm-generic/bitops/__fls.h>
reply other threads:[~2014-04-18 13:12 UTC|newest]
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