locking/mutex: Disable optimistic spinning on some architectures

[platform/adaptation/renesas_rcar/renesas_kernel.git] / arch / sparc / Kconfig

diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig
index 7d8b7e9..b398c68 100644 (file)
--- a/arch/sparc/Kconfig
+++ b/arch/sparc/Kconfig
@@ -77,6 +77,7 @@ config SPARC64
        select ARCH_HAVE_NMI_SAFE_CMPXCHG
        select HAVE_C_RECORDMCOUNT
        select NO_BOOTMEM
+       select ARCH_SUPPORTS_ATOMIC_RMW
 
 config ARCH_DEFCONFIG
        string