linux-kernel - Re: [patch] revert: [NET]: Fix races in net_rx

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Message-ID: <20070716231720.GD11166@waste.org>
Date:	Mon, 16 Jul 2007 18:17:20 -0500
From:	Matt Mackall <mpm@...enic.com>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	David Miller <davem@...emloft.net>, mingo@...e.hu,
	linux-kernel@...r.kernel.org, olaf.kirch@...cle.com
Subject: Re: [patch] revert: [NET]: Fix races in net_rx_action vs netpoll

On Mon, Jul 16, 2007 at 03:29:15PM -0700, Linus Torvalds wrote:
> 
> 
> On Mon, 16 Jul 2007, David Miller wrote:
> > 
> > Ingo is the only person hitting and reporting this and last time I
> > checked he is competent enough to revert the thing locally in his own
> > trees, right? :-)
> 
> Umm. And your suggestion is what? Wait until -rc1, when non-developers 
> (the kinds of people who are supposed to *not* be competent enough) come 
> along, and report the problem?
> 
> That's explicitly what I do *not* want to happen.
> 
> If we knew something was wrong before the -rc1 release, all the better: we 
> can avoid havign that bug in -rc1, and the people who test it will tell us 
> about the problems we did *not* know about.

Unfortunately the particular patch from Olaf is presumably covering up
another bug that other people (including Olaf) had hit. So reverting
it is going to introduce a different regression.

I think this particular problem has _already_ bounced back and forth
once. But I haven't been keeping count as most of the relevant patches
weren't cc:ed to me.

-- 
Mathematics is the supreme nostalgia of our time.
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