Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S266793AbUIJPag (ORCPT ); Fri, 10 Sep 2004 11:30:36 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S267370AbUIJPag (ORCPT ); Fri, 10 Sep 2004 11:30:36 -0400 Received: from ppp-217-133-42-200.cust-adsl.tiscali.it ([217.133.42.200]:48258 "EHLO x30.random") by vger.kernel.org with ESMTP id S266793AbUIJPaf (ORCPT ); Fri, 10 Sep 2004 11:30:35 -0400 Date: Fri, 10 Sep 2004 17:28:52 +0200 From: Andrea Arcangeli To: Arjan van de Ven Cc: Hugh Dickins , "Martin J. Bligh" , Andrea Arcangeli , Alan Cox , Chris Wedgwood , LKML , Christoph Hellwig Subject: Re: [PATCH 1/3] Separate IRQ-stacks from 4K-stacks option Message-ID: <20040910152852.GC15643@x30.random> References: <593560000.1094826651@[10.10.2.4]> <20040910151538.GA24434@devserv.devel.redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20040910151538.GA24434@devserv.devel.redhat.com> X-GPG-Key: 1024D/68B9CB43 13D9 8355 295F 4823 7C49 C012 DFA1 686E 68B9 CB43 X-PGP-Key: 1024R/CB4660B9 CC A0 71 81 F4 A0 63 AC C0 4B 81 1D 8C 15 C8 E5 User-Agent: Mutt/1.5.6i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 716 Lines: 16 On Fri, Sep 10, 2004 at 05:15:38PM +0200, Arjan van de Ven wrote: > because it gives people a reason to do sloppy coding. it's not about bad drivers, it's about the number of nested interrupts not being limited by software right now. > What we should consider regardless is disable the nesting of irqs for > performance reasons but that's an independent matter disabling nesting completely sounds a bit too aggressive, but limiting the nesting is probably a good idea. - 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/