Avi Kivity wrote: > On 12/06/2009 04:51 PM, Jan Kiszka wrote: >> KVM_GET_MSR_INDEX_LIST returns -E2BIG when the provided space is too >> small for all MSRs. But this is precisely the error we trigger with the >> initial request in order to obtain that size. Do not fail in that case. >> >> This caused a subtle corruption of the guest state as MSR_STAR was not >> properly saved/restored. The corruption became visible with latest kvm >> optimizing the MSR updates. >> > > I applied this to qemu-kvm since it missed 0.12-rc1. >
OK, but this part is unused in qemu-kvm as we use our own (unaffected) implementation there so far. Jan
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