From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Miller <davem@davemloft.net>
Subject: Re: High contention on the sk_buff_head.lock
Date: Wed, 18 Mar 2009 14:03:40 -0700 (PDT)
Message-ID: <20090318.140340.55290859.davem@davemloft.net>
References: <49C12E64.1000301@us.ibm.com>
	<87prge1rhu.fsf@basil.nowhere.org>
Mime-Version: 1.0
Content-Type: Text/Plain; charset=us-ascii
Content-Transfer-Encoding: 7bit
Cc: vernux@us.ibm.com, netdev@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-rt-users@vger.kernel.org
To: andi@firstfloor.org
Return-path: <linux-rt-users-owner@vger.kernel.org>
In-Reply-To: <87prge1rhu.fsf@basil.nowhere.org>
Sender: linux-rt-users-owner@vger.kernel.org
List-Id: netdev.vger.kernel.org

From: Andi Kleen <andi@firstfloor.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.