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. I hope that Intel will add similar traps in future iterations of VT.
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