[Qemu-devel] Re: [PATCH] kvm: x86: Fix initial kvm_has_msr_star

[Anthony Liguori]

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.

I've got it in my tree.  It will be a part of 0.12-rc2 and I'll push to 
master today.

Don't know when 0.11.2 will happen but I'll also push it to the 
stable-0.11 branch.

--
Regards,

Anthony Liguori