Re: [RFC][PATCH 2/2] first callers of process_deny_checkpoint()

From: Greg Kurz
Date: Mon Oct 13 2008 - 04:21:32 EST


On Fri, 2008-10-10 at 10:28 -0700, Dave Hansen wrote:
> On Fri, 2008-10-10 at 18:45 +0200, Greg Kurz wrote:
> > It's exactly what I meant before, the tracking facility would be awfully
> > complicated. It cannot be done that way.
> > But there's also something awkward with the flag thing : can you provide
> > right now an exhaustive list of all the places where you must raise it ?
>
> Greg, that's just pure FUD. We don't say that spinlocks are a bad thing
> because we can't come up with an exhaustive list of places where we need
> locking.
>
> We'll do plenty of checks at checkpoint time.
>
> We'll do plenty of checks at runtime.
>
> Neither will work completely on its own, and neither will be exhaustive.
> The way this will work is just as Serge said: in true Linux style, we'll
> add more places users of process_deny_checkpoint() incrementally as we
> find them and as people complain. We'll also be incrementally removing
> them as we add functionality.
>
> -- Dave
>

Well then I misunderstood the purpose your initial postings. Sorry. :)

--
Gregory Kurz gkurz@xxxxxxxxxx
Software Engineer @ IBM/Meiosys http://www.ibm.com
Tel +33 (0)534 638 479 Fax +33 (0)561 400 420

"Anarchy is about taking complete responsibility for yourself."
Alan Moore.

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/