netdev - Re: [PATCH net-next v4] rps: selective flow shedding during softnet overflow

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Message-Id: <20130423.183314.1228017537381500979.davem@davemloft.net>
Date:	Tue, 23 Apr 2013 18:33:14 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	stephen@...workplumber.org
Cc:	willemb@...gle.com, eric.dumazet@...il.com, netdev@...r.kernel.org
Subject: Re: [PATCH net-next v4] rps: selective flow shedding during
 softnet overflow

From: Stephen Hemminger <stephen@...workplumber.org>
Date: Tue, 23 Apr 2013 14:23:33 -0700

> What about just having a smarter ingress qdisc?

Ingress qdiscs go through a single lock, and that is not likely to
change any time soon, nor do I find it reasonable to be required to
use ingress qdiscs to handle this problem.

I find Willem's changes extremely reasonable, and a good improvement
we should integrate now rather than pretending ingress qdiscs are an
acceptable alternative.  They aren't.

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