LLSC based CMPXCHG is safe for NMI. Signed-off-by: Jiaxun Yang <jiaxun.yang@xxxxxxxxxxx> --- arch/mips/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index e83036580a47..1bb274c50636 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -17,6 +17,7 @@ config MIPS select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST select ARCH_HAS_UBSAN select ARCH_HAS_GCOV_PROFILE_ALL + select ARCH_HAVE_NMI_SAFE_CMPXCHG if CPU_HAS_LLSC select ARCH_KEEP_MEMBLOCK select ARCH_USE_BUILTIN_BSWAP select ARCH_USE_CMPXCHG_LOCKREF if 64BIT -- 2.43.0
