On Wed, Nov 10, 2021, Yu Zhang wrote: > On Tue, Nov 09, 2021 at 10:33:43PM +0000, Sean Christopherson wrote: > > On Wed, Nov 03, 2021, Robert Hoo wrote: > > > On Fri, 2021-10-29 at 12:53 -0700, Jim Mattson wrote: > > > > On Fri, Oct 8, 2021 at 5:05 PM Robert Hoo <robert.hu@xxxxxxxxxxxxxxx> > > > > wrote: > > > > > > > > > > On Fri, 2021-10-08 at 16:49 -0700, Jim Mattson wrote: > > > > > > We have some internal patches for virtualizing VMCS shadowing > > > > > > which > > > > > > may break if there is a guest VMCS field with index greater than > > > > > > VMX_VMCS_ENUM.MAX_INDEX. I plan to upstream them soon. > > > > > > > > > > OK, thanks for letting us know.:-) > > > > > > > > After careful consideration, we're actually going to drop these > > > > patches rather than sending them upstream. > > > > > > OK. > > > > > > Hi, Paolo, Sean and Jim, > > > > > > Do you think our this series patch are still needed or can be dropped > > > as well? > > > > IMO we should drop this series and take our own erratum. > > > > Thanks, Sean. > > Do we need a patch in kvm-unit-test to depricate the check against > the max index from MSR_IA32_VMX_VMCS_ENUM? Hmm, yes, unless there's an easy way to tell QEMU to not override the VMX MSRs. I don't see any point in fighting too hard with QEMU.