Re: What PM should be and do (Was Re: Solving suspend-level confusion)

[Pavel Machek]

Hi!

> Yes. I'm not trying to give drivers an inconsistent state, just delaying
> suspending some until the last minute....
> 
> Suspend 2 algorithm:
> 
> 1. Prepare image (freeze processes, allocate memory, eat memory etc)
> 2. Power down all drivers not used while writing image
> 3. Write LRU pages. ('pageset 2')
> 4. Quiesce remaining drivers, save CPU state, to atomic copy of
> remaining ram.
> 5. Resume quiesced drivers.

Hmm, this means pretty complex subtree handling.. Perhaps it would be
possible to make "quiesce/unquiesce" support in drivers so that this
is not needed?
								Pavel

-- 
People were complaining that M$ turns users into beta-testers...
...jr ghea gurz vagb qrirybcref, naq gurl frrz gb yvxr vg gung jnl!
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