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
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]
