locking/mutex: Disable optimistic spinning on some architectures

[platform/adaptation/renesas_rcar/renesas_kernel.git] / arch / x86 / Kconfig

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 1981dd9..7324107 100644 (file)
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -127,6 +127,7 @@ config X86
        select HAVE_DEBUG_STACKOVERFLOW
        select HAVE_IRQ_EXIT_ON_IRQ_STACK if X86_64
        select HAVE_CC_STACKPROTECTOR
+       select ARCH_SUPPORTS_ATOMIC_RMW
 
 config INSTRUCTION_DECODER
        def_bool y