Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sun, 17 Nov 2002 13:43:49 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sun, 17 Nov 2002 13:43:49 -0500 Received: from [202.88.171.30] ([202.88.171.30]:37035 "EHLO dikhow.hathway.com") by vger.kernel.org with ESMTP id ; Sun, 17 Nov 2002 13:43:49 -0500 Date: Mon, 18 Nov 2002 00:16:40 +0530 From: Dipankar Sarma To: Matthew Wilcox Cc: Ingo Molnar , linux-kernel@vger.kernel.org Subject: Re: [PATCH] Run timers as softirqs, not tasklets Message-ID: <20021118001640.A27495@dikhow> Reply-To: dipankar@gamebox.net References: <20021117171625.C7530@parcelfarce.linux.theplanet.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5.1i In-Reply-To: <20021117171625.C7530@parcelfarce.linux.theplanet.co.uk>; from willy@debian.org on Sun, Nov 17, 2002 at 06:20:11PM +0100 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 910 Lines: 23 On Sun, Nov 17, 2002 at 06:20:11PM +0100, Matthew Wilcox wrote: > > Seems to me that the timer code is attempting to replicate the softirq > characteristics at the tasklet level, which is a little pointless. This > patch converts timers to be a first-class softirq citizen. > > Ingo, was there a reason you didn't do it this way to begin with? > I wrote that part of smptimers to run the per-CPU lists from per-CPU tasklets while porting Ingo's code to 2.5 and Ingo just included it. At that time, it didn't seem necessary to use up a softirq vector when it could be easily done using tasklets. However it should work fine with softirqs too. Thanks Dipankar - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/