Re: pcmcia resume 60 second hang. Re: [patch 00/69] -stable review

[Pavel Machek <pavel@ucw.cz>]

Hi!

> > I guess we should warn the driver authors, then; and decide what driver 
> > authors should do.
> 
> Drivers really shouldn't do anythign at all.

*)

> > If I'm video4linux driver for grabbing screen, have been suspended, and 
> > someone asks me to read a frame, should I
> > 
> > a) return -ESORRYIMSUSPENDED
> > 
> > b) just block the caller
> 
> The "subsystem" thing should have stopped the queues, and the device 
> should never even _see_ this.

Okay, _if_ there's a subsystem, subsystem should have stopped the
queues. End result should be that userspace is blocked when trying to
access suspended device/suspended subsystem.

I guess we are in violent agreement.
								Pavel

-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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