Hello, On Thu, Nov 14, 2013 at 09:51:47AM +0800, zhang.y...@zte.com.cn wrote: > The kernel worker thread has the PF_NO_SETAFFINITY flag, and it is propagated > into the userspace child. Clearing this flag in usersapce child to enable its > migrating capability. > > > Signed-off-by: Zhang Yi <zhang.y...@zte.com.cn> > > --- linux3-12/kernel/kmod.c 2013-11-14 09:06:58.991781656 +0000 > +++ linux3-12/kernel/kmod.c 2013-11-14 09:08:47.511781621 +0000 > @@ -217,6 +217,7 @@ static int ____call_usermodehelper(void > * Avoid propagating that into the userspace child. > */ > set_user_nice(current, 0); > + current->flags &= ~PF_NO_SETAFFINITY;
I'm a bit confused. kernel_thread() doesn't use workqueue or kthread_bind(), so the thread shouldn't have PF_NO_SETAFFINITY set. Have you actually observed this happening? Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
