Messages in this thread | | | Date | Tue, 16 Mar 2010 08:15:32 +0200 | From | Avi Kivity <> | Subject | Re: [PATCH] KVM MMU: check reserved bits only if CR4.PSE=1 or CR4.PAE=1 |
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On 03/16/2010 08:03 AM, Xiao Guangrong wrote: > >> I think the only change is that is !is_pse(vcpu) we ignore bit 7? >> > If the vcpu is in PT32E_ROOT_LEVEL/PT64_ROOT_LEVEL mode, CR4.PAE > is aways enabled, so what we need do is ignore bit7 if !is_pse(vcpu) > under PT32_ROOT_LEVEL mode, right? >
I think PAE will fault if bit7 is set and !is_pse(vcpu), but not sure.
-- Do not meddle in the internals of kernels, for they are subtle and quick to panic.
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