Re: [patch 2/3] KVM: MMU: skip global pgtables on sync due to cr3 switch

Avi Kivity
2008-10-31T19:43:42Z

Marcelo Tosatti wrote:
>> But a more accurate approach is to keep a count
>> of non-global present mappings, and to activate the global logic when
>> this count is nonzero.
>>
>
> I don't think the overhead it adds is significant for the added
> complexity?
>

Not sure what you're asking exactly (-ENOPARSE). I don't think it's
worthwhile to account for !global -> global transitions.

--
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.