[PATCH 1/1] riscv: Select ARCH_SUPPORTS_ATOMIC_RMW by default

[Chenxi Mao]

Enable ARCH_SUPPORTS_ATOMIC_RMW by default to support
osq_lock in mutex/rwsem locks.
---
 arch/riscv/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index a31e1a41913a..cbdc605d20d9 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -68,6 +68,7 @@ config RISCV
        select ARCH_HAS_GCOV_PROFILE_ALL
        select HAVE_COPY_THREAD_TLS
        select HAVE_ARCH_KASAN if MMU && 64BIT
+       select ARCH_SUPPORTS_ATOMIC_RMW
 
 config ARCH_MMAP_RND_BITS_MIN
        default 18 if 64BIT
-- 
2.25.1