linux-kernel - Re: [slab poison overwritten] Re: [GIT] Networking

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Message-Id: <20110321.204017.27801246.davem@davemloft.net>
Date:	Mon, 21 Mar 2011 20:40:17 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	horms@...ge.net.au
Cc:	eric.dumazet@...il.com, mingo@...e.hu,
	torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	a.p.zijlstra@...llo.nl, tglx@...utronix.de, arnd@...db.de,
	penberg@...helsinki.fi, ja@....bg, hans@...illstrom.com
Subject: Re: [slab poison overwritten] Re: [GIT] Networking

From: Simon Horman <horms@...ge.net.au>
Date: Tue, 22 Mar 2011 10:18:01 +0900

> IPVS: Use global mutex in ip_vs_app.c
> 
> As part of the work to make IPVS network namespace aware
> __ip_vs_app_mutex was replaced by a per-namespace lock,
> ipvs->app_mutex. ipvs->app_key is also supplied for debugging purposes.
> 
> Unfortunately this implementation results in ipvs->app_key residing
> in non-static storage which at the very least causes a lockdep warning.
> 
> This patch takes the rather heavy-handed approach of reinstating
> __ip_vs_app_mutex which will cover access to the ipvs->list_head
> of all network namespaces.
 ...
> Signed-off-by: Simon Horman <horms@...ge.net.au>

Applied, thanks Simon.
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