From: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Date: Mon, 6 Aug 2012 14:27:24 +0000 (+0100)
Subject: xen: update xen_add_to_physmap interface
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=c176491d9795040d2088cf928525256bedde2706;p=people%2Faperard%2Flinux-chromebook.git

xen: update xen_add_to_physmap interface

Update struct xen_add_to_physmap to be in sync with Xen's version of the
structure.
The size field was introduced by:

changeset:   24164:707d27fe03e7
user:        Jean Guyader <jean.guyader@eu.citrix.com>
date:        Fri Nov 18 13:42:08 2011 +0000
summary:     mm: New XENMEM space, XENMAPSPACE_gmfn_range

According to the comment:

"This new field .size is located in the 16 bits padding between .domid
and .space in struct xen_add_to_physmap to stay compatible with older
versions."

Changes in v2:

- remove erroneous comment in the commit message.

Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
---

diff --git a/include/xen/interface/memory.h b/include/xen/interface/memory.h
index 28bff4869e4bd..b40a4315cb8b0 100644
--- a/include/xen/interface/memory.h
+++ b/include/xen/interface/memory.h
@@ -171,6 +171,9 @@ struct xen_add_to_physmap {
     /* Which domain to change the mapping for. */
     domid_t domid;
 
+    /* Number of pages to go through for gmfn_range */
+    uint16_t    size;
+
     /* Source mapping space. */
     unsigned int space;