Hi!
> > > Freezing of tasks is slowing down suspend. Don't know how serious
> > > this is, suspend is pretty fast, but could possibly be even faster.
> >
> > It's FUD. Freezing of tasks normally takes next to no time. I've never
> > understood the rediculously long timeout it has. If freezing succeeds, all
> > processes are frozen within 1/2 a second tops. If it fails, nothing is
> > going
> > to change in the following 19.5 seconds (or whatever it is if I don't
> > remember the value properly).
>
> Right. The 20s timeout is again a sign of brokenness.
Well, "scenario 1/2 - simple/tricky deadlock" is a sign of brokenness,
too.
> If we expect something to fail, it should fail immediately, without
> waiting for arbitrary timeouts.
Agreed that freezer is not nice, but core issue here is that fuse
allows userspace tasks to hold kernel locks... bad.
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/
