[Xen-changelog] [linux-2.6.18-xen] ia64, xencomm: support XEN_SYSCTL_cpupool_op

["Xen patchbot-linux-2.6.18-xen" <patchbot-linux-2.6.18-xen@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1275890231 -3600
# Node ID b7eb9756e5225835e02fd2f5f10f65439bd9ff08
# Parent  948c933f8839f77f436f3df5548ed2101b887a55
ia64, xencomm: support XEN_SYSCTL_cpupool_op

Signed-off-by: KUWAMURA Shin'ya <kuwa@xxxxxxxxxxxxxx>
---
 arch/ia64/xen/xcom_privcmd.c |   12 ++++++++++++
 1 files changed, 12 insertions(+)

diff -r 948c933f8839 -r b7eb9756e522 arch/ia64/xen/xcom_privcmd.c
--- a/arch/ia64/xen/xcom_privcmd.c      Thu May 06 15:52:48 2010 +0100
+++ b/arch/ia64/xen/xcom_privcmd.c      Mon Jun 07 06:57:11 2010 +0100
@@ -229,6 +229,18 @@ xencomm_privcmd_sysctl(privcmd_hypercall
                return ret;
        }
 
+       case XEN_SYSCTL_cpupool_op:
+               desc = xencomm_map(
+                       xen_guest_handle(kern_op.u.cpupool_op.cpumap.bitmap),
+                       ROUND_DIV(kern_op.u.cpupool_op.cpumap.nr_cpus, 8));
+               if (xen_guest_handle(kern_op.u.cpupool_op.cpumap.bitmap) !=
+                   NULL && kern_op.u.cpupool_op.cpumap.nr_cpus > 0 &&
+                   desc == NULL)
+                       return -ENOMEM;
+               set_xen_guest_handle(kern_op.u.cpupool_op.cpumap.bitmap,
+                                    (void *)desc);
+               break;
+
        ret = xencomm_arch_hypercall_sysctl(op_desc);
 
        /* FIXME: should we restore the handles?  */

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