Re: Async suspend-resume patch w/ completions (was: Re: Async suspend-resume patch w/ rwsems)

From: Rafael J. Wysocki
Date: Wed Dec 16 2009 - 17:33:48 EST


On Wednesday 16 December 2009, Linus Torvalds wrote:
>
> Btw, what are the timings if you just force everything async? I think that
> worked on yur laptops, no?

No, it didn't. I could make all PCI async, provided that the ACPI subtree was
resumed before any PCI devices. [Theoretically I can make that happen by
moving ACPI resume to the _noirq phase (just for testing of course). So I can
try to make PCI async in addition to serio and USB, plus i8042 perhaps, which
should be sfficient for the nx6325 I think.]

Making all async always hanged the boxes on resume.

Rafael
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