Re: [Xen-devel] [V7 PATCH 5/7] pvh: change xsm_add_to_physmap

[Mukesh Rathor <mukesh.rathor@xxxxxxxxxx>]

On Wed, 12 Feb 2014 16:47:54 +0000
Julien Grall <julien.grall@xxxxxxxxxx> wrote:

> Hi Mukesh,
> 
> On 12/17/2013 02:38 AM, Mukesh Rathor wrote:
> > In preparation for the next patch, we update xsm_add_to_physmap to
> > allow for checking of foreign domain. Thus, the current domain must
> > have the right to update the mappings of target domain with pages
> > from foreign domain.
> > 
> > Signed-off-by: Mukesh Rathor <mukesh.rathor@xxxxxxxxxx>
> 
> While I was playing with XSM on ARM, I have noticed that Daniel De
> Graff has added xsm_map_gfmn_foreign few months ago (see commit
> 0b201e6).
> 
> Would it be suitable to use this XSM instead of extending
> xsm_add_to_physmap?
> 
> Regards,
> 

Not the same thing. add to physmap could be adding to a domain's
physmap pages from a foreign domain.

Mukesh

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