netdev - Re: [RESEND] pkt_sched: Control group classifier

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Message-Id: <20081107.225608.01221973.davem@davemloft.net>
Date:	Fri, 07 Nov 2008 22:56:08 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	tgraf@...g.ch
Cc:	netdev@...r.kernel.org
Subject: Re: [RESEND] pkt_sched: Control group classifier

From: Thomas Graf <tgraf@...g.ch>
Date: Thu, 6 Nov 2008 17:13:30 +0100

> The classifier should cover the most common use case and will work
> without any special configuration.
> 
> The principle of the classifier is to directly access the
> task_struct via get_current(). In order for this to work,
> classification requests from softirqs must be ignored. This is
> not a problem because the vast majority of packets in softirq
> context are not assigned to a task anyway. For this to work, a
> mechanism is needed to trace softirq context. 
> 
> This repost goes back to the method of relying on the number of
> nested bh disable calls for the sake of not adding too much
> complexity and the option to come up with something more reliable
> if actually needed.
> 
> Signed-off-by: Thomas Graf <tgraf@...g.ch>

Applied, thanks Thomas.
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