Messages in this thread Patch in this message | | | Subject | Re: [patch] cpusets: allow PF_THREAD_BOUND kworkers to escape from a cpuset | From | Mike Galbraith <> | Date | Fri, 23 Sep 2011 09:19:05 +0200 |
| |
On Fri, 2011-09-23 at 15:00 +0800, Li Zefan wrote:
> To make the code more self-explanatory, I think this is a bit better: > > if (... && cont != cont->top_cgroup) >
Done, your ACK added as well.
kworkers can be born in a cpuset, leaving them adrift on an unsinkable ship. Allow them to be moved to the root cpuset so the cpuset can be destroyed.
Signed-off-by: Mike Galbraith <efault@gmx.de> Acked-by: Li Zefan <lizf@cn.fujitsu.com>
diff --git a/kernel/cpuset.c b/kernel/cpuset.c index 10131fd..b26f4c4 100644 --- a/kernel/cpuset.c +++ b/kernel/cpuset.c @@ -1384,7 +1384,7 @@ static int cpuset_can_attach(struct cgroup_subsys *ss, struct cgroup *cont, * set_cpus_allowed_ptr() on all attached tasks before cpus_allowed may * be changed. */ - if (tsk->flags & PF_THREAD_BOUND) + if (tsk->flags & PF_THREAD_BOUND && cont != cont->top_cgroup) return -EINVAL; return 0;
| |