Re: RFC 0/4: make ACPI interpret safe for suspend/resume

[Pavel Machek <pavel-AlSwsSmVLrQ@public.gmane.org>]

Hi!

> > > > Freezing all processes should not be required. 
> > > How about just make suspend/resume task as a highest priority task with
> > > FIFO scheduler policy? 
> > 
> > That might do the trick for S3,
> What I like it is a) it speeds up freeze process in a system with many
> tasks, b) easy to move to SMP case on the future.
> 
> >  but not for swsusp. Imagine normal
> > process holding some lock you want (for writing image to disk). You
> > can run on FIFO scheduler, but then you block on this lock, and
> > userspace process gets to run, and gets confused.
> Ok, that makes sense. Could we split S3 from swsusp? That is S3 doesn't
> use freeze_process.

Yes, that's certainly an option. I liked the idea of code being
shared, and had refrigerator code handy...
								Pavel
-- 
People were complaining that M$ turns users into beta-testers...
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