From: Chenxi Mao <maochenxi@eswin.com>
Date: Fri, 5 Jun 2020 05:15:10 +0000 (+0800)
Subject: riscv: Select ARCH_SUPPORTS_ATOMIC_RMW by default
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=234e9d7a6200952264002b9ba808e7dfc559b0b2;p=linux.git

riscv: Select ARCH_SUPPORTS_ATOMIC_RMW by default

Select ARCH_SUPPORTS_ATOMIC_RMW by default to enable osqlocks.

Signed-off-by: Chenxi Mao <maochenxi@eswin.com>
[Palmer: commit text]
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
---

diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index 128192e14ff2a..089293e4ad46d 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -13,6 +13,7 @@ config 32BIT
 config RISCV
 	def_bool y
 	select ARCH_CLOCKSOURCE_INIT
+	select ARCH_SUPPORTS_ATOMIC_RMW
 	select ARCH_HAS_BINFMT_FLAT
 	select ARCH_HAS_DEBUG_VIRTUAL if MMU
 	select ARCH_HAS_DEBUG_WX