From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jarek Poplawski Subject: Re: [PATCH] ifb: add multi-queue support Date: Fri, 13 Nov 2009 12:32:03 +0000 Message-ID: <20091113123203.GA8648@ff.dom.local> References: <412e6f7f0911122216u6880e855g6a15dac29ad6a100@mail.gmail.com> <20091113074508.GA6605@ff.dom.local> <412e6f7f0911130054i7a508a6ah16368f11bdc7353d@mail.gmail.com> <20091113091825.GA7449@ff.dom.local> <412e6f7f0911130138td181935w36cab3119972753e@mail.gmail.com> <20091113095731.GA7749@ff.dom.local> <412e6f7f0911130325r20e2fbbbg21e2e384de1f7c0f@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Eric Dumazet , "David S. Miller" , Stephen Hemminger , Patrick McHardy , Tom Herbert , netdev@vger.kernel.org To: Changli Gao Return-path: Received: from fg-out-1718.google.com ([72.14.220.156]:42406 "EHLO fg-out-1718.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751337AbZKMMcD (ORCPT ); Fri, 13 Nov 2009 07:32:03 -0500 Received: by fg-out-1718.google.com with SMTP id d23so207775fga.1 for ; Fri, 13 Nov 2009 04:32:08 -0800 (PST) Content-Disposition: inline In-Reply-To: <412e6f7f0911130325r20e2fbbbg21e2e384de1f7c0f@mail.gmail.com> Sender: netdev-owner@vger.kernel.org List-ID: On Fri, Nov 13, 2009 at 07:25:33PM +0800, Changli Gao wrote: > I find there is still a softirqd kernel thread for each online CPU, > and these threads will be waked up if there are more SoftIRQs need to > be done after restarting the SoftIRQ processing many times, to keep > the whole system responsible. Did I miss sth.? And at the other side, > real time branch just wants to make all the activities based on kernel > threads, even ISR. I wish them well! But again: for some strange reason network admins, who sometimes care to complain here, rarely (very rarely) mention this RT branch... (Actually, I recall only one case, and it probably wasn't even real admin ;-) Jarek P.