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-rw-r--r--arch/x86/Kconfig.cpu3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/Kconfig.cpu b/arch/x86/Kconfig.cpu
index 6a7cfdf8ff69..e3ca7e0d858c 100644
--- a/arch/x86/Kconfig.cpu
+++ b/arch/x86/Kconfig.cpu
@@ -312,6 +312,9 @@ config X86_CMPXCHG
config CMPXCHG_LOCAL
def_bool X86_64 || (X86_32 && !M386)
+config CMPXCHG_DOUBLE
+ def_bool y
+
config X86_L1_CACHE_SHIFT
int
default "7" if MPENTIUM4 || MPSC