netdev - Re: High contention on the sk_buff

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Message-Id: <20090318.140340.55290859.davem@davemloft.net>
Date:	Wed, 18 Mar 2009 14:03:40 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	andi@...stfloor.org
Cc:	vernux@...ibm.com, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-rt-users@...r.kernel.org
Subject: Re: High contention on the sk_buff_head.lock

From: Andi Kleen <andi@...stfloor.org>
Date: Wed, 18 Mar 2009 21:54:37 +0100

> But then again I'm not sure it's  worth it if the problem only
> happens in out of tree RT.

The list of problems that only show up with the RT kernel seems to be
constantly increasing, but honestly is very surprising to me.

I don't understand why we even need to be concerned about this stuff
upstream, to be honest.

Please reproduce this in the vanilla kernel, then get back to us.
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