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ARC: Enable optimistic spinning for LLSC config
author
Vineet Gupta
<vgupta@synopsys.com>
Sat, 8 Aug 2015 12:21:58 +0000
(17:51 +0530)
committer
Vineet Gupta
<vgupta@synopsys.com>
Tue, 11 Aug 2015 09:21:09 +0000
(14:51 +0530)
Suggested-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
arch/arc/Kconfig
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diff --git
a/arch/arc/Kconfig
b/arch/arc/Kconfig
index
bd4670d
..
e119d42
100644
(file)
--- a/
arch/arc/Kconfig
+++ b/
arch/arc/Kconfig
@@
-8,6
+8,7
@@
config ARC
def_bool y
+ select ARCH_SUPPORTS_ATOMIC_RMW if ARC_HAS_LLSC
select BUILDTIME_EXTABLE_SORT
select COMMON_CLK
select CLONE_BACKWARDS