linux-kernel - Re: [PATCH 3/8] lockdep: fix fib

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Message-Id: <1209480329.13978.67.camel@twins>
Date:	Tue, 29 Apr 2008 16:45:29 +0200
From:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
To:	ego@...ibm.com
Cc:	linux-kernel@...r.kernel.org,
	Zdenek Kabelac <zdenek.kabelac@...il.com>,
	Oleg Nesterov <oleg@...sign.ru>,
	Heiko Carstens <heiko.carstens@...ibm.com>,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Ingo Molnar <mingo@...e.hu>,
	Srivatsa Vaddagiri <vatsa@...ibm.com>,
	Eric Dumazet <dada1@...mosbay.com>,
	"David S. Miller" <davem@...emloft.net>
Subject: Re: [PATCH 3/8] lockdep: fix fib_hash softirq inversion

On Tue, 2008-04-29 at 18:30 +0530, Gautham R Shenoy wrote:
> Subject: lockdep: fix fib_hash softirq inversion
> 
> From: Peter Zijlstra <a.p.zijlstra@...llo.nl>

This is a false positive, and hence we should not apply this patch.

I think I understand the problem and have an idea on how to fix lockdep,
but I haven't gotten around to actually doing so.

Esp in the light that fixing lockdep isn't a requirement (just a nice to
have) for these other cpu hotplug patches we should drop these patches.

So that is, 1-4 should not be applied to mainline. I'll work on a new
and improved 2 that'll make 3 and 4 unneeded.

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