Re: [2.6.21.1] resume doesn't run suspended kernel?

[Nigel Cunningham <nigel@nigel.suspend2.net>]

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Hi.

On Tue, 2007-05-29 at 14:03 +0200, Rafael J. Wysocki wrote:
> On Tuesday, 29 May 2007 13:29, Pavel Machek wrote:
> > Hi!
> > 
> > > > Yup.  Don't we do something like this for the (ACPI-based) suspend to RAM
> > > > already?
> > > 
> > > Yeah, I was thinking about this overnight too. It should be doable. In
> > > addition to what we already do, I think you'd want:
> > > 
> > > - to copy the assembly to do the copying to a safe page;
> > > - to put the location of the cpu state that was saved in the image
> > > header so that it can be used after the data is copied back;
> > 
> > ...alternatively, we can just rely on copy routine (and its data) not
> > changing frequently.

I'd rather be sure. It will be extra code, but reliability is important.

> > > - to copy the nosave data to a 'safe' page.
> > > 
> > > What else?
> > 
> > page directories need to be on a safe place, too.
> 
> They are already.

Yeah - that's why I ignored them.

Regards,

Nigel

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