arm64: Kconfig: select HAVE_FUTEX_CMPXCHG
authorVladimir Murzin <vladimir.murzin@arm.com>
Mon, 20 Jan 2020 10:36:02 +0000 (10:36 +0000)
committerWill Deacon <will@kernel.org>
Tue, 21 Jan 2020 09:14:01 +0000 (09:14 +0000)
commit98346023365931948b78436ae761544b09035b3b
tree3276241c9247b1cf012b09db7a0b4e0e239f478a
parentd41938d2cbee926a7de0c1dcff94ca34bf2cab78
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