Messages in this thread |  | | | Date | Tue, 17 Jul 2007 13:39:10 -0700 (PDT) | | From | david@lang ... | | Subject | Re: Hibernation considerations |
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On Tue, 17 Jul 2007, Jeremy Maitin-Shepard wrote:
> david@lang.hm writes: > > [snip] > >> the non-ACPI hibernate behaves very differently, and for some people (and I >> think I am one of them) it will meet their needs better then _any_ of the ACPI >> suspends. > > It may have certain differences from the user point of view, but from > the implementation view, it seems that it is nearly exactly the same. > The only differences seem to be: > > - rather than shutting down, do whatever is necessary to stick the > system in S4 state. > > - make sure ACPI isn't initialized by the "load image" kernel > > - rather than "resume from hibernate" ACPI by initializing it normally, > issue the special hibernate-related methods. > > Thus, it seems that supporting ACPI S4 will have a very minimal affect > on the hibernate implementation.
from what Rafael is saying supporting ACPI S4 mode requires a very fundamentally different restore approach, and in addition imposes very different restrictions on what can be done with the machine while it's suspended. David Lang - 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/
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