From 5054daa285beaf706f051fbd395dc36c9f0f907f Mon Sep 17 00:00:00 2001
From: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Date: Mon, 23 Feb 2015 11:01:00 -0500
Subject: [PATCH] x86/xen: Initialize cr4 shadow for 64-bit PV(H) guests

Commit 1e02ce4cccdc ("x86: Store a per-cpu shadow copy of CR4")
introduced CR4 shadows.

These shadows are initialized in early boot code. The commit missed
initialization for 64-bit PV(H) guests that this patch adds.

Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
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