Il 03/01/2014 21:00, Dirk Brandewie ha scritto: > + case MSR_IA32_MPERF: > + case MSR_IA32_APERF: These should never be accessed. A KVM VM will always have CPUID[06H].ECX = 0, and the Intel manual says that the MSRs are only present if CPUID returns that value with bit 0 set. I think the actual bug is that intel_pstate_init does not check the feature bits in CPUID (either manually or via x86_match_cpu). Paolo -- To unsubscribe from this list: send the line "unsubscribe cpufreq" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
