Hi!
> > > /* Now tell them to stop I/O and save their state */
> > > device_suspend(3, SUSPEND_SAVE_STATE);
> >
> > I'd very much like this one to be two pass, with the second pass occuring
> > after interrupts are disabled. There are some horrible cases to try and
> > handle otherwise (like devices that like to jam the irq line high).
>
> I forgot to mention to disable interrupts after the SUSPEND_NOTIFY call.
> The idea is to allocate all memory in the first pass, disable interrupts,
> then save state. Would that work? Or, should some of the state saving take
> place with interrupts enabled?
That looks ugly, because you'd need to add DONT_SUSPEND_NOTIFY, called
when SUSPEND_NOTIFY fails.
Pavel
-- Casualities in World Trade Center: 6453 dead inside the building, cryptography in U.S.A. and free speech in Czech Republic. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
This archive was generated by hypermail 2b29 : Tue Oct 23 2001 - 21:00:36 EST