From: Christian Borntraeger <borntraeger@de.ibm.com>
Date: Sun, 24 Jul 2011 08:48:17 +0000 (+0200)
Subject: [S390] kvm: handle tprot intercepts
X-Git-Tag: v3.1-rc1~261^2~16
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bb25b9ba3e33e941dc48048d0a784e6a05e5648a;p=pandora-kernel.git

[S390] kvm: handle tprot intercepts

When running a kvm guest we can get intercepts for tprot, if the host
page table is read-only or not populated. This patch implements the
most common case (linux memory detection).
This also allows host copy on write for guest memory on newer systems.

Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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