From mboxrd@z Thu Jan  1 00:00:00 1970
From: Samuel Thibault <samuel.thibault@eu.citrix.com>
Subject: Re: doubt on domU segment mappings
Date: Mon, 21 Jul 2008 17:55:43 +0100
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To: Sandesh <sandesh.ahiremath@wipro.com>
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Sandesh, le Mon 21 Jul 2008 22:34:33 +0530, a =E9crit :
> > These are constructed by the PV domain builder just for the domU.
> > DomU
> > is then free to do whatever it wants with it, dom0 doesn't care at
> > all=20
> but aren't these mappings in the dom0 page tables?

Just temporarily when the domain builder fills them, but as soon as it's
built, they are unmapped.

> Once the domU is running how can i change them?

What for?

> like how will i know which entries in the dom0 pgtables corresponds to
> kernel_seg or ramdisk_seg and so on..

Again, dom0 doesn't map them any more, it doesn't need them any more.

Samuel