Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754226AbYC1Jc5 (ORCPT ); Fri, 28 Mar 2008 05:32:57 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752284AbYC1Jct (ORCPT ); Fri, 28 Mar 2008 05:32:49 -0400 Received: from mx2.mail.elte.hu ([157.181.151.9]:57803 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752224AbYC1Jct (ORCPT ); Fri, 28 Mar 2008 05:32:49 -0400 Date: Fri, 28 Mar 2008 10:32:34 +0100 From: Ingo Molnar To: Alan Mayer Cc: torvalds@linux-foundation.org, linux-kernel list , Robin Holt , Jack Steiner , Russ Anderson Subject: Re: [PATCH] x86_64: resize NR_IRQS for large machines (re-submit) Message-ID: <20080328093234.GD30863@elte.hu> References: <20080327163314.GA24180@elte.hu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.17 (2007-11-01) X-ELTE-VirusStatus: clean X-ELTE-SpamScore: -1.5 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-1.5 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.2.3 -1.5 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0029] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1540 Lines: 31 * Alan Mayer wrote: > > i think you got it right, yes. But ... this is just a quick > > first-look suggestion from me, YMMV. Maybe you find a way to do it > > much easier to just convert everything at once. I tend to do things > > more gradually, in my experience it's very hard and time-consuming > > to change the world all at once - it's hard both to you the > > developer (you dont know whether it works until you have a very > > substantial amount of code written - while in a more gradual > > approach it can be converted one by one perhaps) - and it's hard for > > users and fellow kernel hackers. > > I think I'll take a crack at it. Doing it in phases means I can > invest a little less time and still give everyone a chance to see if > they like it. And, the initial stuff seems like the area where people > will be the most likely to have problems and/or suggestions. I have > no idea how long it will take to get something out there. Stay tuned. great! If your initial target for this is x86 (which has certainly the most twisted IRQ architecture of all architectures) then we'd be glad to host and test your patches in x86.git/latest - even if they touch drivers and other core code. Once it's proven enough it could be rehosted to -mm. Ingo -- 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/