From mboxrd@z Thu Jan  1 00:00:00 1970
From: Tamas K Lengyel <tamas.k.lengyel@gmail.com>
Subject: Re: how to set up a #VE
Date: Fri, 29 Apr 2016 13:25:53 -0600
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To: Big Strong <fangtuo90@gmail.com>
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On Thu, Apr 28, 2016 at 10:27 PM, Big Strong <fangtuo90@gmail.com> wrote:

> You can always just add a new page to the domain to be used for #VE.
>
> It's there a method to directly assign physical pages to guest from dom0?
> Using xc_map_foreign_address just like libvmi?
>

Please don't top-post on xen-devel.

You could share a page from dom0 but I think what you want to do is
increase the reservation of the domain and then map it into so it can be
used for #VE. The functions for this are
xc_domain_increase_reservation_exact and xc_domain_populate_physmap_exact.

Tamas

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<div dir=3D"ltr"><br><div class=3D"gmail_extra"><br><div class=3D"gmail_quo=
te">On Thu, Apr 28, 2016 at 10:27 PM, Big Strong <span dir=3D"ltr">&lt;<a h=
ref=3D"mailto:fangtuo90@gmail.com" target=3D"_blank">fangtuo90@gmail.com</a=
>&gt;</span> wrote:<br><blockquote class=3D"gmail_quote" style=3D"margin:0p=
x 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><d=
iv dir=3D"ltr"><span class=3D""><blockquote class=3D"gmail_quote" style=3D"=
margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-lef=
t:1ex"><span style=3D"font-size:14px">You can always just add a new page to=
 the domain to be used for #VE.</span></blockquote></span><div><span style=
=3D"font-size:14px">It&#39;s there a method to directly assign physical pag=
es to guest from dom0? Using xc_map_foreign_address just like libvmi?</span=
></div></div></blockquote><div><br></div><div>Please don&#39;t top-post on =
xen-devel. <br><br></div><div>You could share a page from dom0 but I think =
what you want to do is increase the reservation of the domain and then map =
it into so it can be used for #VE. The functions for this are xc_domain_inc=
rease_reservation_exact and xc_domain_populate_physmap_exact.<br><br></div>=
<div>Tamas <br></div></div></div></div>

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