Re: [Xen-devel] [PATCH v3 07/10] xen/arm: Add handling write fault for dirty-page tracing

[Jaeyong Yoo <jaeyong.yoo@xxxxxxxxxxx>]

> -----Original Message-----
> From: xen-devel-bounces@xxxxxxxxxxxxx [mailto:xen-devel-
> bounces@xxxxxxxxxxxxx] On Behalf Of Ian Campbell
> Sent: Sunday, August 18, 2013 3:39 PM
> To: Jaeyong Yoo
> Cc: 'Stefano Stabellini'; xen-devel@xxxxxxxxxxxxx
> Subject: Re: [Xen-devel] [PATCH v3 07/10] xen/arm: Add handling write
> fault for dirty-page tracing
> 
> On Thu, 2013-08-15 at 13:24 +0900, Jaeyong Yoo wrote:
> > For better understanding of trade-off between vlpt and page-table walk
> > in dirty-page handling,
> 
> I meant to ask before: "vlpt" is the implementation arising from linking
> the p2m into Xen's own (stage 1) pagetable rather than the initial vmap-
> like implementation which was posted, right?

Yes right. VLPT itself means slotting guest p2m into xen's page table.
Vmap-like implementation is for sharing xen's virtual address range
for vlpt and currently, migrating DomUs context switch the page table
of this range.

Jaeyong

> 
> Ian.
> 
> 
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