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-rw-r--r--arch/x86/kernel/tsc_msr.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/kernel/tsc_msr.c b/arch/x86/kernel/tsc_msr.c
index 6aa0f4d..4ec5e56 100644
--- a/arch/x86/kernel/tsc_msr.c
+++ b/arch/x86/kernel/tsc_msr.c
@@ -86,6 +86,9 @@ unsigned long try_msr_calibrate_tsc(void)
unsigned long res;
int cpu_index;
+ if (boot_cpu_data.x86_vendor != X86_VENDOR_INTEL)
+ return 0;
+
cpu_index = match_cpu(boot_cpu_data.x86, boot_cpu_data.x86_model);
if (cpu_index < 0)
return 0;
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