Messages in this thread | | | Date | Wed, 18 Mar 2020 08:12:08 -0700 | From | Sean Christopherson <> | Subject | Re: [PATCH] KVM: nVMX: remove side effects from nested_vmx_exit_reflected |
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On Wed, Mar 18, 2020 at 11:59:13AM +0100, Paolo Bonzini wrote: > On 18/03/20 11:52, Vitaly Kuznetsov wrote: > > The only functional difference seems to be that we're now doing > > nested_mark_vmcs12_pages_dirty() in vmx->fail case too and this seems > > superfluous: we failed to enter L2 so 'special' pages should remain > > intact (right?) but this should be an uncommon case. > > > > Reviewed-by: Vitaly Kuznetsov <vkuznets@redhat.com> > > I'm not entirely sure if the PID could be written before the processor > decrees a vmfail. It doesn't really hurt anyway as you say though.
I would expect that writing special pages on VM-Fail would be classified as a CPU bug.
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