Messages in this thread | | | Date | Tue, 30 Oct 2007 13:37:51 +0200 | From | Avi Kivity <> | Subject | Re: [kvm-devel] 2.6.23.1-rt4 and kvm 48 |
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Jan Kiszka wrote: > Avi Kivity wrote: > >> Jan Kiszka wrote: >> >>> Interesting result - you've read about the wbinvd issues? Is there no >>> wbinvd in the bios shipped with older kvm? Which VM extension did you >>> test, both Intel and AMD? I would bet that your X issues are due to the >>> same effect. X startup/shutdown involves a lot of wbinvd calls on my >>> test boxes. >>> >>> >>> >> kvm.git now traps invd and wbinvd on amd, so there shouldn't be any >> issues there. >> > > So kvm can then simply ignore the instructions, or what does it do about > them? I recall some replies in the related thread that some more work > may be required. > >
It currently ignores the instructions. When device passthrough is implemented more work will be needed.
-- Any sufficiently difficult bug is indistinguishable from a feature.
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