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Cc: Jim Harris <jimharris@freebsd.org>, src-committers@freebsd.org,
	svn-src-all@freebsd.org, Andriy Gapon <avg@freebsd.org>,
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Subject: Re: svn commit: r238755 - head/sys/x86/x86
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>>   CPUID causes an unconditional exit in VT-x/SVM so it would be best to
>> avoid that if possible.
>
> The only place where the use of CPUID in tsc patch seems to be reasonable
> is at the SMP test, since it is too much burden to check SSE2/Intel/AMD
> nuances at the boot time, to be redone later anyway. Would it be a serious
> issue for monitors to get several thousands of CPUID traps at boot only ?

  The SMP tsc test is skipped for VM guests so it should be fine there.

later,

Peter.