Re: [patch 20/21] forcedeth: fix locking bug with netconsole

From: Ingo Molnar
Date: Fri Mar 28 2008 - 19:47:20 EST



* Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> wrote:

> > > Please do not mix device driver changes with core networking
> > > changes.
> >
> > FWIW my plan was to snip the net/* stuff and only apply the
> > forcedeth portion.
> >
> > (leaving <whomever> to pick up the pieces, should they so desire)
> >
>
> Just drop 'em completely I'd say.

you mean the netpoll.c bits? sure.

> otoh, drivers do seem a bit flakey in the netpoll-support area, so a
> bit of extra debug wouldn't hurt. But checking irqs_disabled() either
> side of a udelay() was a bit paranoid ;)

yeah. i completely forgot about those bits. But lets make sure the
forcedeth.c fix gets into .25 - it's obvious and it fixes a nasty bug.
Without that fix netconsole is unusable on forcedeth.

Ingo
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