[Xen-changelog] [xen-unstable] [IA64] support XEN_DOMCTL_mem_sharing_op

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

# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1262950664 0
# Node ID dc8fb5dc629dc9f8a657480eb8d42b1018d916d3
# Parent  b600a7e8acfef3820b78daa71c6b31f15c36dc36
[IA64] support XEN_DOMCTL_mem_sharing_op

Because memory sharing is not implemented on ia64, only
XEN_DOMCTL_MEM_SHARING_OP_CONTROL is supported.

Signed-off-by: KUWAMURA Shin'ya <kuwa@xxxxxxxxxxxxxx>
---
 xen/arch/ia64/xen/dom0_ops.c |   29 +++++++++++++++++++++++++++++
 1 files changed, 29 insertions(+)

diff -r b600a7e8acfe -r dc8fb5dc629d xen/arch/ia64/xen/dom0_ops.c
--- a/xen/arch/ia64/xen/dom0_ops.c      Fri Jan 08 11:33:37 2010 +0000
+++ b/xen/arch/ia64/xen/dom0_ops.c      Fri Jan 08 11:37:44 2010 +0000
@@ -683,6 +683,35 @@ long arch_do_domctl(xen_domctl_t *op, XE
     }
     break;
 
+    case XEN_DOMCTL_mem_sharing_op:
+    {
+        xen_domctl_mem_sharing_op_t *mec = &op->u.mem_sharing_op;
+        struct domain *d = rcu_lock_domain_by_id(op->domain);
+
+        ret = -ESRCH;
+        if (d == NULL)
+            break;
+
+        switch(mec->op)
+        {
+            case XEN_DOMCTL_MEM_SHARING_OP_CONTROL:
+            {
+                if (mec->u.enable) {
+                    ret = -EINVAL; /* not implemented */
+                    break;
+                }
+                ret = 0;
+            }
+            break;
+
+            default:
+                ret = -ENOSYS;
+        }
+        
+        rcu_unlock_domain(d);
+    }
+    break;
+
     default:
         printk("arch_do_domctl: unrecognized domctl: %d!!!\n",op->cmd);
         ret = -ENOSYS;

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