Messages in this thread | | | From | "Romer, Benjamin M" <> | Date | Fri, 11 Apr 2014 12:51:53 -0500 | Subject | Re: [visorchipset] invalid opcode: 0000 [#1] PREEMPT SMP |
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On Fri, 2014-04-11 at 10:40 -0700, H. Peter Anvin wrote: > On 04/11/2014 10:35 AM, Jet Chen wrote: > > > > As Peter said, QEMU probably should *not* set the hypervisor bit. But based on my testing, I think KVM works properly in this case. > > > > Either way, unless there is a CPUID interface exposed in CPUID levels > 0x40000000+, then relying on the hypervisor bit to do VMCALL is wrong in > the extreme. > > -hpa > >
I'll pass your feedback on to the people who wrote the bad code. Sorry for the trouble. :)
-- Ben
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