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From: Jarek Poplawski <jarkao2@gmail.com>
To: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Matheos Worku <Matheos.Worku@Sun.COM>,
	David Miller <davem@davemloft.net>,
	jesse.brandeburg@intel.com, netdev@vger.kernel.org,
	hadi@cyberus.ca
Subject: Re: 2.6.24 BUG: soft lockup - CPU#X
Date: Fri, 28 Mar 2008 14:38:45 +0100	[thread overview]
Message-ID: <20080328133845.GA14565@ami.dom.local> (raw)
In-Reply-To: <20080328103809.GB23039@gondor.apana.org.au>

On Fri, Mar 28, 2008 at 06:38:09PM +0800, Herbert Xu wrote:
...
> Given that premise, we might as well let one CPU transmit as much
> as possible since moving to another CPU after each packet is going
> to bounce a lot more than just the spin lock and that is going to
> be expensive.

Considering this, I wonder why using this __LINK_STATE_QDISC_RUNNING
flag to control enqueuing as well would be a wrong idea? Wouldn't this
enforce pseudo affinity?

Regards,
Jarek P.

  reply	other threads:[~2008-03-28 13:42 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-03-26 16:46 2.6.24 BUG: soft lockup - CPU#X Matheos Worku
2008-03-26 17:31 ` Rick Jones
2008-03-26 20:14 ` Jarek Poplawski
2008-03-26 20:26   ` Matheos Worku
2008-03-26 21:46     ` Jarek Poplawski
2008-03-26 21:53       ` Jarek Poplawski
2008-03-27 10:33     ` Jarek Poplawski
2008-03-27 23:18       ` Brandeburg, Jesse
2008-03-27 23:45         ` Matheos Worku
2008-03-28  0:02           ` David Miller
2008-03-28  0:19             ` Matheos Worku
2008-03-28  0:34               ` David Miller
2008-03-28  1:22                 ` Herbert Xu
2008-03-28  1:38                   ` David Miller
2008-03-28 10:29                     ` Herbert Xu
2008-03-28 10:56                       ` Ingo Molnar
2008-03-28 11:06                         ` Herbert Xu
2008-03-28 11:29                           ` Herbert Xu
2008-03-28 12:19                             ` jamal
2008-03-28 13:26                               ` Herbert Xu
2008-03-28 14:07                                 ` jamal
2008-03-28 14:12                                 ` Ingo Molnar
2008-03-28 23:25                             ` David Miller
2008-03-28 14:09                           ` Ingo Molnar
2008-03-28  1:58                   ` Matheos Worku
2008-03-28 10:33                     ` jamal
2008-03-28 17:00                       ` Matheos Worku
2008-03-28 10:38                     ` Herbert Xu
2008-03-28 13:38                       ` Jarek Poplawski [this message]
2008-03-28 13:53                         ` Herbert Xu
2008-03-28 14:39                           ` Jarek Poplawski
2008-03-28 14:56                             ` Herbert Xu
2008-03-28 15:29                               ` Jarek Poplawski
2008-03-28 15:47                                 ` Jarek Poplawski
2008-03-29  1:06                                 ` Herbert Xu
2008-03-29  9:11                                   ` Jarek Poplawski

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