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SubjectRe: Kexec, DMA, and SMP
Corey Minyard wrote:
> Yes, we were talking about temporary stopgaps.

Yes, that's what Suparna and Eric were discussing :-)

> But, I had another idea. What about using power management? If you
> suspended everything, would that be good enough. I looked at a few
> drivers, and it seemed so.

As long as you don't need any form of synchronization to power
down a device, and if it comes up silent (i.e. no "sleep" mode,
in which it still has enough power to remember DMA lists and
such), that would work.

I'd suspect that power management requiries you to synchronize,
so we're back to square one.

- Werner

/ Werner Almesberger, Buenos Aires, Argentina /
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