We implement an optimised this_cpu_cmpxchg API,so select HAVE_CMPXCHG_LOCA to open cmpxchg-local feature. Signed-off-by: Wen Yao <haiwenyao@xxxxxxxxxxxxx> --- arch/riscv/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig index 6b48a3ae9843..8e19df5a8227 100644 --- a/arch/riscv/Kconfig +++ b/arch/riscv/Kconfig @@ -88,6 +88,7 @@ config RISCV select HAVE_ARCH_THREAD_STRUCT_WHITELIST select HAVE_ARCH_VMAP_STACK if MMU && 64BIT select HAVE_ASM_MODVERSIONS + select HAVE_CMPXCHG_LOCAL select HAVE_CONTEXT_TRACKING_USER select HAVE_DEBUG_KMEMLEAK select HAVE_DMA_CONTIGUOUS if MMU -- 2.25.1
