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# HG changeset patch
# User Keir Fraser <keir.fraser@citrix.com>
# 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@jp.fujitsu.com>
---
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;

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