Re: Hibernation considerations

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david@xxxxxxx 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.

-- 
Jeremy Maitin-Shepard
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