[Xen-changelog] Allow a domain to specify DOMID_SELF to DOM0_GETDOMAININFO dom0_op.

[Xen patchbot -unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User kaf24@xxxxxxxxxxxxxxxxxxxx
# Node ID 381cafbbc3d24b1d6dd9e2fb56aa6d501e6aaac8
# Parent  101ae33a83415a6bf133df61f9ff280fa24e7c2d
Allow a domain to specify DOMID_SELF to DOM0_GETDOMAININFO dom0_op.
This is primarily useful to allow a privileged domain to determine
its domid, where the preferred method of quering xenstore cannot be
used.

Signed-off-by: joseph.cihula@xxxxxxxxx

diff -r 101ae33a8341 -r 381cafbbc3d2 xen/common/dom0_ops.c
--- a/xen/common/dom0_ops.c     Sat Dec 17 01:11:54 2005
+++ b/xen/common/dom0_ops.c     Sun Dec 18 19:27:42 2005
@@ -358,12 +358,17 @@
     case DOM0_GETDOMAININFO:
     { 
         struct domain *d;
+        domid_t dom;
+
+        dom = op->u.getdomaininfo.domain;
+        if ( dom == DOMID_SELF )
+            dom = current->domain->domain_id;
 
         read_lock(&domlist_lock);
 
         for_each_domain ( d )
         {
-            if ( d->domain_id >= op->u.getdomaininfo.domain )
+            if ( d->domain_id >= dom )
                 break;
         }
 

_______________________________________________
Xen-changelog mailing list
Xen-changelog@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-changelog