Re: [kvm-devel] KVM swapping with mmu notifiers

[Avi K. <av...@qu...>]

Andrea Arcangeli wrote:
> On Tue, Jan 15, 2008 at 04:40:19PM +0200, Avi Kivity wrote:
>   
>> Note that we can now replace aliases with slots; simply map the same hva 
>> range to two different gpa ranges (using a kvm-private memslot for backward 
>> compat).
>>     
>
> Currently the host physical page is a 1:1 mapping with the hva. Not
> sure how to alias the same host physical page on two different gfn by
> using two different hva. I still see an use for the alias.
>   

It's the same hva for two different gpas.  Same functionality as the 
alias, but with less data structures.

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