Shaohua Li wrote: > On Wed, 2008-05-07 at 08:59 +0200, Petr Tesarik wrote: >> BTW why must be interrupts disabled in this path? Would it be possible >> to re-enable them for the duration of the synchronization, or does it >> harm somehow? > No idea how to fix it. i have the same question why > do_notify_resume_user in called with interrupt disabled. > do_notify_resume_user->ia64_do_signal->get_signal_to_deliver which could > sleep (like try_to_freeze) and this routine calls > spin_lock_irq()/spin_unlock_irq(), this will enable interrupt. Yes, I found it too. It seems that ia64_do_signal should be called with interrupts enabled. Thanks, H.Seto -- To unsubscribe from this list: send the line "unsubscribe linux-ia64" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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