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Date: Sat, 20 Sep 2008 13:00:58 -0700 (PDT) From: David Miller <davem@...emloft.net> To: dwalker@...sta.com Cc: arjan@...radead.org, linux-kernel@...r.kernel.org, netdev@...r.kernel.org, jens.axboe@...cle.com, steffen.klassert@...unet.com Subject: Re: [PATCH 0/2]: Remote softirq invocation infrastructure. From: Daniel Walker <dwalker@...sta.com> Date: Sat, 20 Sep 2008 09:02:09 -0700 > In the case of networking and block I would think a lot of the softirq > activity is asserted from userspace.. Maybe the scheduler shouldn't be > migrating these tasks, or could take this softirq activity into > account .. Absolutely wrong. On a per-flow basis you want to push the work down as far as possible down to individual cpus. Why do you think the hardware folks are devoting silicon to RX multiqueue facilities that spread the RX work amongst available cpus using MSI-X? -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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