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SubjectRe: Hibernation considerations
Date writes:


> 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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