Thread (72 messages) flat view 72 messages, 8 authors, 2013-01-07

[PATCH v4 23/24] xen: update xen_add_to_physmap interface

From: Konrad Rzeszutek Wilk <hidden>
Date: 2012-09-14 13:25:10
Also in: lkml, xen-devel

On Fri, Sep 14, 2012 at 12:13:25PM +0100, Stefano Stabellini wrote:
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 [off-list ref]
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."

Note: this patch should be already in Konrad's tree, it is here just for
convenience.

Changes in v2:

- remove erroneous comment in the commit message.

Signed-off-by: Stefano Stabellini <redacted>
Acked-by: Konrad Rzeszutek Wilk <redacted>

.. and I already have this queued for 3.7.
quoted hunk ↗ jump to hunk
---
 include/xen/interface/memory.h |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/include/xen/interface/memory.h b/include/xen/interface/memory.h
index b5c3098..b66d04c 100644
--- a/include/xen/interface/memory.h
+++ b/include/xen/interface/memory.h
@@ -163,6 +163,9 @@ 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. */
 #define XENMAPSPACE_shared_info 0 /* shared info page */
 #define XENMAPSPACE_grant_table 1 /* grant table page */
-- 
1.7.2.5
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