From: Daniel De Graaf <dgdegra@tycho.nsa.gov>
Date: Thu, 24 Mar 2011 12:10:07 +0000 (-0400)
Subject: xen/p2m: Allocate p2m tracking pages on override
X-Git-Tag: v2.6.39-rc1~3^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b254244d2682fe975630f176c25a4444cc4e088d;p=pandora-kernel.git

xen/p2m: Allocate p2m tracking pages on override

It is possible to add a p2m override on pages that are currently mapped
to INVALID_P2M_ENTRY; in particular, this will happen when using
ballooned pages in gntdev. This means that set_phys_to_machine must be
used instead of __set_phys_to_machine.

Signed-off-by: Daniel De Graaf <dgdegra@tycho.nsa.gov>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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