Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S266569AbUIIS3z (ORCPT ); Thu, 9 Sep 2004 14:29:55 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S266631AbUIIS1g (ORCPT ); Thu, 9 Sep 2004 14:27:36 -0400 Received: from host-65-117-135-105.timesys.com ([65.117.135.105]:45441 "EHLO yoda.timesys") by vger.kernel.org with ESMTP id S266569AbUIIR47 (ORCPT ); Thu, 9 Sep 2004 13:56:59 -0400 Date: Thu, 9 Sep 2004 13:56:23 -0400 To: Christoph Hellwig Cc: Ingo Molnar , Andrew Morton , linux-kernel@vger.kernel.org, Scott Wood Subject: Re: [patch] generic-hardirqs.patch, 2.6.9-rc1-bk14 Message-ID: <20040909175622.GA32489@yoda.timesys> References: <20040908120613.GA16916@elte.hu> <20040908133445.A31267@infradead.org> <20040908124547.GA19231@elte.hu> <20040908134903.A31498@infradead.org> <20040908130552.GC20132@elte.hu> <20040908141217.A31690@infradead.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20040908141217.A31690@infradead.org> User-Agent: Mutt/1.5.4i From: Scott Wood Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 818 Lines: 20 On Wed, Sep 08, 2004 at 02:12:17PM +0100, Christoph Hellwig wrote: > On Wed, Sep 08, 2004 at 03:05:52PM +0200, Ingo Molnar wrote: > > is there any architecture that cannot make use of kernel/hardirq.c _at > > all_? > > s390 doesn't need it at all because it doesn't have the concept of hardirqs. > > At least arm{,26}, m68k{,nommu} and parisc and sparc{,64} use extremly > different models for irq handling They're not irreparably different, though (at least, not all of them); we had generic IRQ code (with threads) running in our 2.4 kernel on arm and sparc64. -Scott - 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/