From: Vineet Gupta <vgupta@synopsys.com>
Date: Thu, 6 Aug 2015 12:25:34 +0000 (+0530)
Subject: ARC: Enable HAVE_FUTEX_CMPXCHG
X-Git-Tag: firefly_0821_release~176^2~1188^2~11
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=5e0574292ad48dcdf48ef90a47da862c21d649a6;p=firefly-linux-kernel-4.4.55.git

ARC: Enable HAVE_FUTEX_CMPXCHG

ARC doesn't need the runtime detection of futex cmpxchg op

Cc: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
---

diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig
index e119d42f92ce..78c0621d5819 100644
--- a/arch/arc/Kconfig
+++ b/arch/arc/Kconfig
@@ -23,6 +23,7 @@ config ARC
 	select GENERIC_SMP_IDLE_THREAD
 	select HAVE_ARCH_KGDB
 	select HAVE_ARCH_TRACEHOOK
+	select HAVE_FUTEX_CMPXCHG
 	select HAVE_IOREMAP_PROT
 	select HAVE_KPROBES
 	select HAVE_KRETPROBES