Messages in this thread |  | | Date | Thu, 28 Nov 2013 10:13:58 +0100 | From | Peter Zijlstra <> | Subject | Re: [PATCH]: exec: avoid propagating PF_NO_SETAFFINITY into userspace child |
| |
On Wed, Nov 27, 2013 at 01:31:17PM -0500, Tejun Heo wrote: > On Wed, Nov 27, 2013 at 10:07:03AM +0800, zhang.yi20@zte.com.cn wrote: > > Userspace process doesn't want the PF_NO_SETAFFINITY, but its parent may be > > a kernel worker thread which has PF_NO_SETAFFINITY set, and this worker thread > > can do kernel_thread() to create the child. > > Clearing this flag in usersapce child to enable its migrating capability. > > > > > > Signed-off-by: Zhang Yi <zhang.yi20@zte.com.cn> > > Acked-by: Tejun Heo <tj@kernel.org> > > cc'ing Ingo and Peter. Ingo, I think this one doesn't really suit the > workqueue tree. Can you please pick this one up w/ Oleg's ack added > and stable cc'd? The original patch is > > http://article.gmane.org/gmane.linux.kernel/1602429/raw
So I don't get the problem; aren't all usermode helper thingies spawned by the khelper task, which doesn't have PG_NO_SETAFFINITY set?
So how come this is a problem?
The Changelog is not explaining anything much -- so no I will not take this patch.
|  |