[PATCH 3/3] MIPS: Select ARCH_SUPPORTS_ATOMIC_RMW when possible

From: Jiaxun Yang
Date: Fri May 19 2023 - 12:49:07 EST


Select ARCH_SUPPORTS_ATOMIC_RMW when we are certain that our CPU
have LLSC support.

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 85728e4703bd..5f52bdecb4c9 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -21,6 +21,7 @@ config MIPS
select ARCH_USE_MEMTEST
select ARCH_USE_QUEUED_RWLOCKS
select ARCH_USE_QUEUED_SPINLOCKS
+ select ARCH_SUPPORTS_ATOMIC_RMW if CPU_HAS_LLSC
select ARCH_SUPPORTS_HUGETLBFS if CPU_SUPPORTS_HUGEPAGES
select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU
select ARCH_WANT_IPC_PARSE_VERSION
--
2.39.2 (Apple Git-143)