x86: this_cpu_cmpxchg and this_cpu_xchg operations

[firefly-linux-kernel-4.4.55.git] / arch / x86 / Kconfig.cpu

diff --git a/arch/x86/Kconfig.cpu b/arch/x86/Kconfig.cpu
index 2ac9069890cdf594610e19424c54626bb1f051aa..15588a0ef4663054dc33d623e373f8edce90432a 100644 (file)
--- a/arch/x86/Kconfig.cpu
+++ b/arch/x86/Kconfig.cpu
@@ -310,6 +310,9 @@ config X86_INTERNODE_CACHE_SHIFT
 config X86_CMPXCHG
        def_bool X86_64 || (X86_32 && !M386)
 
+config CMPXCHG_LOCAL
+       def_bool X86_64 || (X86_32 && !M386)
+
 config X86_L1_CACHE_SHIFT
        int
        default "7" if MPENTIUM4 || MPSC