From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mike Galbraith Subject: Re: [rfc/rft][patch] should use scheduler sync hint in tcp_prequeue()? Date: Tue, 02 Mar 2010 12:39:42 +0100 Message-ID: <1267529982.9365.7.camel@marge.simson.net> References: <1267522901.25906.101.camel@marge.simson.net> <1267529273.2964.111.camel@edumazet-laptop> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Cc: netdev , LKML , Ingo Molnar To: Eric Dumazet Return-path: In-Reply-To: <1267529273.2964.111.camel@edumazet-laptop> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org On Tue, 2010-03-02 at 12:27 +0100, Eric Dumazet wrote: > This wake_up_interruptible_sync_poll() change might be good for loopback > communications (and pleases tbench), but is it desirable for regular > multi flows NIC traffic ? If you can take high frequency cache misses, likely yes. For localhost, that's pretty much guaranteed currently (ergo the question). -Mike