From: Will Deacon <will.deacon@arm.com>
Date: Fri, 29 May 2015 13:57:47 +0000 (+0100)
Subject: arm64: kconfig: select HAVE_CMPXCHG_LOCAL
X-Git-Tag: v4.3-rc1~84^2~33
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=95eff6b27c40c7205f72f354712c3687d808e7f6;p=linux.git

arm64: kconfig: select HAVE_CMPXCHG_LOCAL

We implement an optimised cmpxchg_local macro, so let the kernel know.

Reviewed-by: Steve Capper <steve.capper@arm.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
---

diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 8dabffa82ef8..e82b98dfc028 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -53,6 +53,7 @@ config ARM64
 	select HAVE_C_RECORDMCOUNT
 	select HAVE_CC_STACKPROTECTOR
 	select HAVE_CMPXCHG_DOUBLE
+	select HAVE_CMPXCHG_LOCAL
 	select HAVE_DEBUG_BUGVERBOSE
 	select HAVE_DEBUG_KMEMLEAK
 	select HAVE_DMA_API_DEBUG