Messages in this thread |  | | Subject | Re: [RFC PATCH -rt 2/2] RCU priority boosting additions to rcutorture | From | Nigel Cunningham <> | Date | Thu, 01 Feb 2007 13:42:42 +1100 |
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Hi Paul.
On Wed, 2007-01-31 at 18:31 -0800, Paul E. McKenney wrote: > Good to hear from you, Nigel!
Thanks :)
> Should indeed be OK to freeze during suspend/hibernate. Will my > schedule_timeout_interruptible() be sufficient to allow the freeze > to happen, or do I need to add an explicit try_to_freeze()?
You need a try_to_freeze() - the process has to enter the refrigerator() function to be counted as frozen.
> Ah, and I probably need to use the same trick that mtd_blktrans_thread() > does to avoid having all my sleeps killed of by an errant signal: > > spin_lock_irq(¤t->sighand->siglock); > sigfillset(¤t->blocked); > recalc_sigpending(); > spin_unlock_irq(¤t->sighand->siglock); > > Or is such paranoia unnecessary?
Yeah. try_to_freeze() is a function now, so you can do something if (try_to_freeze()) goto sleep_again if you so desire.
Regards,
Nigel
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