Messages in this thread Patch in this message | | | From | Len Brown <> | Subject | [PATCH 1/9] x86 tsc_msr: Identify Intel-specific code | Date | Thu, 31 Mar 2016 00:13:47 -0400 |
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From: Len Brown <len.brown@intel.com>
try_msr_calibrate_tsc() is currently Intel-specific, and should not execute on any other vendor's parts.
Signed-off-by: Len Brown <len.brown@intel.com> --- arch/x86/kernel/tsc_msr.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/arch/x86/kernel/tsc_msr.c b/arch/x86/kernel/tsc_msr.c index 92ae6ac..c16e35b 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; -- 2.8.0.rc4.16.g56331f8
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