commit 87d6a412bd1ed82c14cabd4b408003b23bbd2880
author Michael S. Tsirkin <mst@redhat.com> Thu Sep 02 14:05:30 2010 +0300
committer Michael S. Tsirkin <mst@redhat.com> Mon Sep 06 09:49:31 2010 +0300
tree 598f8fc4a19f9b52e531ab41a1c45796358956d1
parent 73457f0f836956747e0394320be2163c050e96ef

vhost: fix attach to cgroups regression

Since 2.6.36-rc1, non-root users of vhost-net fail to attach
if they are in any cgroups.

The reason is that when qemu uses vhost, vhost wants to attach
its thread to all cgroups that qemu has.  But we got the API backwards,
so a non-priveledged process (Qemu) tried to control
the priveledged one (vhost), which fails.

Fix this by switching to the new cgroup_attach_task_all,
and running it from the vhost thread.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>