netdev - Re: [PATCH 1/2]: softirq: Add support for triggering softirq work on softirqs.

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Message-ID: <31089112.38051221843450562.JavaMail.root@tahiti.vyatta.com>
Date:	Fri, 19 Sep 2008 09:57:30 -0700 (PDT)
From:	Stephen Hemminger <stephen.hemminger@...tta.com>
To:	David Miller <davem@...emloft.net>
Cc:	jens axboe <jens.axboe@...cle.com>, netdev@...r.kernel.org,
	nickpiggin@...oo.com.au, ilpo jarvinen <ilpo.jarvinen@...sinki.fi>
Subject: Re: [PATCH 1/2]: softirq: Add support for triggering softirq work
 on softirqs.

I wonder if the added overhead of local_irq_disable/local_irq_enable is
killing any performance gain. Certainly it adds more latency to a sensitive code path.

Is there a good lock-less solution?
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