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authorVladimir Murzin <vladimir.murzin@arm.com>2020-01-20 13:36:02 +0300
committerWill Deacon <will@kernel.org>2020-01-21 12:14:01 +0300
commit98346023365931948b78436ae761544b09035b3b (patch)
tree3276241c9247b1cf012b09db7a0b4e0e239f478a /arch
parentd41938d2cbee926a7de0c1dcff94ca34bf2cab78 (diff)
downloadlinux-98346023365931948b78436ae761544b09035b3b.tar.xz
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>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm64/Kconfig1
1 files changed, 1 insertions, 0 deletions
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