From 98346023365931948b78436ae761544b09035b3b Mon Sep 17 00:00:00 2001
From: Vladimir Murzin <vladimir.murzin@arm.com>
Date: Mon, 20 Jan 2020 10:36:02 +0000
Subject: arm64: Kconfig: select HAVE_FUTEX_CMPXCHG

arm64 provides always working implementation of futex_atomic_cmpxchg_inatomic(),
so there is no need to check it runtime.

Reported-by: Piyush swami <Piyush.swami@arm.com>
Signed-off-by: Vladimir Murzin <vladimir.murzin@arm.com>
Signed-off-by: Will Deacon <will@kernel.org>
---
 arch/arm64/Kconfig | 1 +
 1 file changed, 1 insertion(+)

(limited to 'arch/arm64/Kconfig')

diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index e9b1fc22f72e..6c27b8126817 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -161,6 +161,7 @@ config ARM64
 	select HAVE_PERF_USER_STACK_DUMP
 	select HAVE_REGS_AND_STACK_ACCESS_API
 	select HAVE_FUNCTION_ARG_ACCESS_API
+	select HAVE_FUTEX_CMPXCHG if FUTEX
 	select HAVE_RCU_TABLE_FREE
 	select HAVE_RSEQ
 	select HAVE_STACKPROTECTOR
-- 
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