On Fri, 26 May 2017, Josh Poimboeuf wrote:
> On Thu, May 18, 2017 at 02:00:43PM +0200, Miroslav Benes wrote:
> > @@ -591,3 +591,19 @@ void klp_send_fake_signal(void)
> > }
> > read_unlock(&tasklist_lock);
> > }
> > +
> > +/*
> > + * Drop TIF_PATCH_PENDING of all tasks on admin's request. This forces an
> > + * existing transition to finish.
> > + */
> > +void klp_unmark_tasks(void)
> > +{
> > + struct task_struct *g, *task;
> > +
> > + pr_warn("all tasks marked as migrated on admin's request\n");
> > +
> > + read_lock(&tasklist_lock);
> > + for_each_process_thread(g, task)
> > + klp_update_patch_state(task);
> > + read_unlock(&tasklist_lock);
> > +}
>
> Should this also force the idle tasks to transition?
Yes. Thanks.
Miroslav
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