From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759656Ab0J0PnN (ORCPT ); Wed, 27 Oct 2010 11:43:13 -0400 Received: from mx2.mail.elte.hu ([157.181.151.9]:52211 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755142Ab0J0PnL (ORCPT ); Wed, 27 Oct 2010 11:43:11 -0400 Date: Wed, 27 Oct 2010 17:43:02 +0200 From: Ingo Molnar To: Tejun Heo Cc: Linus Torvalds , Brian Gerst , x86@kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] x86-32: Allocate irq stacks seperate from percpu area Message-ID: <20101027154302.GA22816@elte.hu> References: <1288158182-1753-1-git-send-email-brgerst@gmail.com> <20101027153053.GA20243@elte.hu> <20101027153331.GA21789@elte.hu> <4CC847D9.3080805@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4CC847D9.3080805@kernel.org> User-Agent: Mutt/1.5.20 (2009-08-17) X-ELTE-SpamScore: -2.0 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-2.0 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.2.5 -2.0 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Tejun Heo wrote: > Hello, Ingo, Linus. > > On 10/27/2010 05:33 PM, Ingo Molnar wrote: > > Btw., the NUMA stuff never really worked percpu alloc, as per Eric's observation: > > Oh, it works in general. In this case, it's probably because the NUMA > configuration is rather weird in 32bit (but then again NUMA on 32bit is supposed > to be so). I think it's just 32bit init code setting up early_cpu_to_node() > differently. Yeah, i meant on x86 32-bit only - which the whole thread is about. Thanks, Ingo