Re: [PATCH 1/3] PM: Introduce new top level suspend and hibernation callbacks (rev. 8)

[Rafael J. Wysocki]

On Monday, 14 of April 2008, Benjamin Herrenschmidt wrote:
> 
> On Mon, 2008-04-14 at 12:55 +0200, Pavel Machek wrote:
> > On Mon 2008-04-14 08:47:02, Benjamin Herrenschmidt wrote:
> > > 
> > > > Well, I'm not sure and I'm not going to introduce the change right now, after
> > > > the paches have been included in -mm.
> > > > 
> > > > That would require quite some changes in the core code that I'd prefer to
> > > > avoid for now.  We can do something like this in a separate patch series after
> > > > the present one settles down a bit.
> > > 
> > > I disagree.
> > > 
> > > Doing it later would introduce yet another major semantic change.
> > 
> > 'allow load_firmware from prepare that was not allowed before' is not 'major'.
> 
> Having user space fully operating is major.

Please tell me what exactly is wrong with doing things that depend on the
user space being available from notifiers.

Thanks,
Rafael
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