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>
This commit is contained in:
Vladimir Murzin 2020-01-20 10:36:02 +00:00 committed by Will Deacon
parent d41938d2cb
commit 9834602336
1 changed files with 1 additions and 0 deletions

View File

@ -161,6 +161,7 @@ config ARM64
select HAVE_PERF_USER_STACK_DUMP select HAVE_PERF_USER_STACK_DUMP
select HAVE_REGS_AND_STACK_ACCESS_API select HAVE_REGS_AND_STACK_ACCESS_API
select HAVE_FUNCTION_ARG_ACCESS_API select HAVE_FUNCTION_ARG_ACCESS_API
select HAVE_FUTEX_CMPXCHG if FUTEX
select HAVE_RCU_TABLE_FREE select HAVE_RCU_TABLE_FREE
select HAVE_RSEQ select HAVE_RSEQ
select HAVE_STACKPROTECTOR select HAVE_STACKPROTECTOR