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| author | Vladimir Murzin <vladimir.murzin@arm.com> | 2020-01-20 13:36:02 +0300 |
|---|---|---|
| committer | Will Deacon <will@kernel.org> | 2020-01-21 12:14:01 +0300 |
| commit | 98346023365931948b78436ae761544b09035b3b (patch) | |
| tree | 3276241c9247b1cf012b09db7a0b4e0e239f478a /arch | |
| parent | d41938d2cbee926a7de0c1dcff94ca34bf2cab78 (diff) | |
| download | linux-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/Kconfig | 1 |
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 |