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-rw-r--r--arch/x86/kernel/smpboot.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index fe89f938e0f0..00c7878043ef 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -1442,6 +1442,8 @@ static inline void mwait_play_dead(void)
void *mwait_ptr;
int i;
+ if (boot_cpu_data.x86_vendor == X86_VENDOR_AMD)
+ return;
if (!this_cpu_has(X86_FEATURE_MWAIT))
return;
if (!this_cpu_has(X86_FEATURE_CLFLUSH))