linux-kernel - [tip:locking/core] arch,score: Convert smp_mb_

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Message-ID: <tip-4mv9svf28lnotjpfuza8urh8@git.kernel.org>
Date:	Fri, 18 Apr 2014 06:11:50 -0700
From:	tip-bot for Peter Zijlstra <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...nel.org,
	torvalds@...ux-foundation.org, liqin.linux@...il.com,
	peterz@...radead.org, lennox.wu@...il.com,
	paulmck@...ux.vnet.ibm.com, tglx@...utronix.de
Subject: [tip:locking/core] arch,score: Convert smp_mb__*()

Commit-ID:  57aa6a76864dfbb5450728199c37c02f401586ec
Gitweb:     http://git.kernel.org/tip/57aa6a76864dfbb5450728199c37c02f401586ec
Author:     Peter Zijlstra <peterz@...radead.org>
AuthorDate: Thu, 13 Mar 2014 19:00:35 +0100
Committer:  Ingo Molnar <mingo@...nel.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@...radead.org>
Acked-by: Paul E. McKenney <paulmck@...ux.vnet.ibm.com>
Acked-by: Lennox Wu <lennox.wu@...il.com>
Link: http://lkml.kernel.org/n/tip-4mv9svf28lnotjpfuza8urh8@git.kernel.org
Cc: Chen Liqin <liqin.linux@...il.com>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: linux-kernel@...r.kernel.org
Signed-off-by: Ingo Molnar <mingo@...nel.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>
--
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