Re: [Xen-ia64-devel] PATCH: cleanup of tlbflush

[Tristan Gingold <Tristan.Gingold@xxxxxxxx>]

Le Mercredi 10 Mai 2006 13:38, Tian, Kevin a écrit :
> From: Tristan Gingold [mailto:Tristan.Gingold@xxxxxxxx]
>
> >Sent: 2006年5月10日 18:47
> >
> >> I see your concern about flush efficiency. However we still need set
> >> necessary mask bits for correctness, right?
> >
> >Not yet, because pages are not transfered.
>
> It's not specific to page flipping. Simple page sharing also has same
> problem.
No really.  Page sharing is only from domU to dom0.  Thus, if we trust dom0 we 
don't need to flush all the tlb.

Tristan.

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