[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] probe_intel_cpuid_faulting() behavior
Jan Beulich wrote: > Jinsong, > > somehow it escaped my attention so far that this probing, on a CPU > not supporting the respective MSR, necessarily produces a GPF log > message. Since such instances are generally a reason to worry, > would it be possible to at least avoid this for all CPU > families/models below a certain level (the system I'm seeing this on > is family 0xf model 6)? If so, could you provide precise cut-off > values (I can of course easily enough create a patch myself once I > have the > numbers)? > > Jan Sorry, no. It's non-architectural but no official/precise family/model/stepping provided, so enumeration has to tolerate GPF log on legacy processors. What is more, no guarantee for future processors also support it. Thanks, Jinsong _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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