From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753449Ab0KEQpk (ORCPT ); Fri, 5 Nov 2010 12:45:40 -0400 Received: from hera.kernel.org ([140.211.167.34]:33526 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752774Ab0KEQpj (ORCPT ); Fri, 5 Nov 2010 12:45:39 -0400 Message-ID: <4CD43497.1020907@kernel.org> Date: Fri, 05 Nov 2010 17:45:11 +0100 From: Tejun Heo User-Agent: Mozilla/5.0 (X11; U; Linux i686 (x86_64); en-US; rv:1.9.2.12) Gecko/20101027 Lightning/1.0b2 Thunderbird/3.1.6 MIME-Version: 1.0 To: Eric Dumazet CC: Andrew Morton , linux-kernel , Christoph Lameter , Ingo Molnar , Andi Kleen , Thomas Gleixner Subject: Re: [PATCH v2] irq: use per_cpu kstat_irqs References: <1288892908.2659.175.camel@edumazet-laptop> <1288973210.2882.733.camel@edumazet-laptop> In-Reply-To: <1288973210.2882.733.camel@edumazet-laptop> X-Enigmail-Version: 1.1.1 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.2.3 (hera.kernel.org [127.0.0.1]); Fri, 05 Nov 2010 16:45:14 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, On 11/05/2010 05:06 PM, Eric Dumazet wrote: > V2: support for !CONFIG_SPARSE_IRQ > No white space changes. > > Question : Is dynamic percpu allocator ready at this stage for all > arches ? The need is NR_IRQS*4 bytes of percpu memory for > !CONFIG_SPARSE_IRQ The earliest is early_irq_init(), right? If so, percpu allocator is up by then on all archs. Thanks. -- tejun