From: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Date: Mon, 21 Sep 2015 13:09:28 +0000 (-0400)
Subject: xen/x86: Don't try to write syscall-related MSRs for PV guests
X-Git-Tag: omap-for-v4.3/fixes-rc5~36^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2ecf91b6d8b0ee8ef38aa7ea2a0fe0cd57b6ca50;p=pandora-kernel.git

xen/x86: Don't try to write syscall-related MSRs for PV guests

For PV guests these registers are set up by hypervisor and thus
should not be written by the guest. The comment in xen_write_msr_safe()
says so but we still write the MSRs, causing the hypervisor to
print a warning.

Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
---

Reading git-diff-tree failed