Re: [Xen-devel] RFC: [0/2] Remove netloop by lazy copying in netback

[Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>]

On Tue, Mar 27, 2007 at 05:53:18PM +1000, Herbert Xu wrote:
> On Tue, Mar 27, 2007 at 08:51:15AM +0100, Keir Fraser wrote:
> > 
> > Also bear in mind the plan to avoid the grant mapping at all in the
> > direct-to-wire transmit case. This also will rely on a #PF (or some other
> > fault, potentially) if the guest tries to access that pseudophysical page of
> > memory. If we can work out a way to make this work on ia64 then the
> > delayed-copy implementation problems are solved too.

Even with this we could still keep the large pages by using page
faults on the host page table rather than the guest page table.

Cheers,
-- 
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Email: Herbert Xu ~{PmV>HI~} <herbert@xxxxxxxxxxxxxxxxxxx>
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