Re: [PATCH v2 1/1] riscv: Select ARCH_SUPPORTS_ATOMIC_RMW by default

From: Palmer Dabbelt
Date: Thu Jun 18 2020 - 17:53:32 EST


On Thu, 04 Jun 2020 22:15:10 PDT (-0700), maochenxi@xxxxxxxxx wrote:
Select ARCH_SUPPORTS_ATOMIC_RMW by default to enabel osqlocks.

PS2: Add signed off info.

Signed-off-by: Chenxi Mao <maochenxi@xxxxxxxxx>
---
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

Thanks, this is on for-next.