On Fri, Feb 16, 2007 at 12:46:17PM +0530, Srivatsa Vaddagiri wrote:
> frozen. The only exception is cleaning up of per-cpu threads (which is
> not possible with processes frozen - if we can find a way to make that
> possible, then everything can be done in CPU_DEAD).
How abt a patch like below?
--- process.c.org 2007-02-16 13:38:39.000000000 +0530
+++ process.c 2007-02-16 13:38:59.000000000 +0530
@@ -47,7 +47,7 @@ void refrigerator(void)
recalc_sigpending(); /* We sent fake signal, clean it up */
spin_unlock_irq(¤t->sighand->siglock);
- while (frozen(current)) {
+ while (frozen(current) && !kthread_should_stop()) {
current->state = TASK_UNINTERRUPTIBLE;
schedule();
}
This should let us do kthread_stop() in CPU_DEAD itself (while processes
are frozen)? That would allow us to do everything from CPU_DEAD itself
(and not have CPU_DEAD_KILL_THREADS).
--
Regards,
vatsa
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