On Sun, Oct 07, 2012 at 06:55:34PM +0200, Oleg Nesterov wrote: > Hmm. I know nothing about arch/alpha and I can't understand its entry.S. > But _it seems_ to me that do_notify_resume() is called with irqs disabled. > If this is true, then imho arch/alpha should be fixed. > > Before this commit task_work_run() enabled irqs, but this was the "side > effect" of spin_lock_irq/spin_unlock_irq, we should not rely on this. Um... There's a bunch of architectures that are in the same situation. grep for do_notify_resume() and you'll see... It needs to be dealt with sanely, and actually have patches for alpha going in that direction, but breaking a bunch of architectures is not a good thing, obviously. So you've bought yourself a major PITA for coming weeks... -- To unsubscribe from this list: send the line "unsubscribe linux-alpha" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html