Re: [PATCH 04/15] KVM: MMU: cache mmio info on page fault path

Alexander Graf
2011-06-08T09:39:22Z

On 08.06.2011, at 11:33, Xiao Guangrong wrote:

> On 06/08/2011 05:18 PM, Alexander Graf wrote:
>
>>>
>>> Also, when context switched, CR3 is reloaded, mmio cache info can be cleared too. right? :-)
>>
>> Only when using SPT. In the NPT case, you will never see cr3 getting reloaded or INVLPG :).
>>
>
> In the NPT case, we only cache the GPA, GVA is not cached (vcpu.arch.mmio_gva is always 0) ;-)

Ah, very nice! :)

Alex