netdev - Re: [RFC PATCH] net: add additional lock to qdisc to increase enqueue/dequeue fairness

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Message-Id: <20100323.133124.139557595.davem@davemloft.net>
Date:	Tue, 23 Mar 2010 13:31:24 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	alexander.h.duyck@...el.com
Cc:	netdev@...r.kernel.org
Subject: Re: [RFC PATCH] net: add additional lock to qdisc to increase
 enqueue/dequeue fairness

From: Alexander Duyck <alexander.h.duyck@...el.com>
Date: Tue, 23 Mar 2010 13:25:53 -0700

> The qdisc layer shows a significant issue when you start transmitting from
> multiple CPUs.

Why are you hitting any central qdisc lock on a multiqueue
configuration?
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