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authorPeter Zijlstra <peterz@infradead.org>2014-03-12 17:11:00 +0100
committerIngo Molnar <mingo@kernel.org>2014-04-18 11:40:31 +0200
commitd594ffa94b7efdd8c6da5ee48aea8ae229809b55 (patch)
treea48a795a19120e0434d901a402e0baeb5082a18e /arch/arc/include/asm/bitops.h
parentarch,alpha: Convert smp_mb__*() to the asm-generic primitives (diff)
downloadlinux-d594ffa94b7efdd8c6da5ee48aea8ae229809b55.tar.xz
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arch,arc: Convert smp_mb__*()
The arc mb() implementation is a compiler barrier(), therefore it all doesn't matter one way or the other. Simply remove the existing definitions and use whatever is generated by the defaults. Signed-off-by: Peter Zijlstra <peterz@infradead.org> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Link: http://lkml.kernel.org/n/tip-ua48a59wri3ybz1rz8i7uvbr@git.kernel.org Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Vineet Gupta <vgupta@synopsys.com> Cc: linux-kernel@vger.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/arc/include/asm/bitops.h')
-rw-r--r--arch/arc/include/asm/bitops.h5
1 files changed, 1 insertions, 4 deletions
diff --git a/arch/arc/include/asm/bitops.h b/arch/arc/include/asm/bitops.h
index 647a83a8e756..ebc0cf3164dc 100644
--- a/arch/arc/include/asm/bitops.h
+++ b/arch/arc/include/asm/bitops.h
@@ -19,6 +19,7 @@
#include <linux/types.h>
#include <linux/compiler.h>
+#include <asm/barrier.h>
/*
* Hardware assisted read-modify-write using ARC700 LLOCK/SCOND insns.
@@ -496,10 +497,6 @@ static inline __attribute__ ((const)) int __ffs(unsigned long word)
*/
#define ffz(x) __ffs(~(x))
-/* TODO does this affect uni-processor code */
-#define smp_mb__before_clear_bit() barrier()
-#define smp_mb__after_clear_bit() barrier()
-
#include <asm-generic/bitops/hweight.h>
#include <asm-generic/bitops/fls64.h>
#include <asm-generic/bitops/sched.h>