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authorStephen Boyd <sboyd@codeaurora.org>2017-09-27 08:51:30 -0700
committerWill Deacon <will.deacon@arm.com>2017-10-04 13:43:00 +0100
commit396a5d4a5c32598aea5bff5cb2a995026a6f05dc (patch)
treec1e57c9cd338ebc566623048fbb58ef20d90d766 /arch/arm64/Kconfig
parentd1809d0e64325def212825852b02c2c63b40f5cd (diff)
arm64: Unconditionally support {ARCH_}HAVE_NMI{_SAFE_CMPXCHG}
From what I can see there isn't anything about ACPI_APEI_SEA that means the arm64 architecture can or cannot support NMI safe cmpxchg or NMIs, so the 'if' condition here is not important. Let's remove it. Doing that allows us to support ftrace histograms via CONFIG_HIST_TRIGGERS that depends on the arch having the ARCH_HAVE_NMI_SAFE_CMPXCHG config selected. Cc: Tyler Baicar <tbaicar@codeaurora.org> Cc: Jonathan (Zhixiong) Zhang <zjzhang@codeaurora.org> Cc: Dongjiu Geng <gengdongjiu@huawei.com> Acked-by: James Morse <james.morse@arm.com> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> Signed-off-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'arch/arm64/Kconfig')
-rw-r--r--arch/arm64/Kconfig4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 9fe7a7f4c94c..05aa5924420e 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -21,7 +21,7 @@ config ARM64
select ARCH_HAS_STRICT_KERNEL_RWX
select ARCH_HAS_STRICT_MODULE_RWX
select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
- select ARCH_HAVE_NMI_SAFE_CMPXCHG if ACPI_APEI_SEA
+ select ARCH_HAVE_NMI_SAFE_CMPXCHG
select ARCH_USE_CMPXCHG_LOCKREF
select ARCH_SUPPORTS_MEMORY_FAILURE
select ARCH_SUPPORTS_ATOMIC_RMW
@@ -98,7 +98,7 @@ config ARM64
select HAVE_IRQ_TIME_ACCOUNTING
select HAVE_MEMBLOCK
select HAVE_MEMBLOCK_NODE_MAP if NUMA
- select HAVE_NMI if ACPI_APEI_SEA
+ select HAVE_NMI
select HAVE_PATA_PLATFORM
select HAVE_PERF_EVENTS
select HAVE_PERF_REGS