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xen-ia64-devel
Re: single software TLB vs. multiple software TLBs (was RE: [Xen-ia64-de
Le Mercredi 12 Avril 2006 16:51, Dong, Eddie a écrit :
> Tristan Gingold wrote:
> >> Just make sure I am understanding correctly. With the help of
> >> software TLB for guest huge translation, you have the flexibility to
> >> either breakdown it into smaller ones to VHPT for all entries at a
> >> time, or you can do one at a time. Defenitely several at a time is
> >> also OK if people want to :-)
> >
> > I don't understand how it can work without writing all entries. Xen
> > doesn't know which entry will be used.
>
> At every tlb miss time, you can get guest translation from software TLB
> (not from VHPT).
> You actually don't need to care about VHPT entries no matter it is all
> there or nothing there.
Ok, it is clear now.
Tristan.
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