From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751202Ab3FYEh7 (ORCPT ); Tue, 25 Jun 2013 00:37:59 -0400 Received: from us02smtp1.synopsys.com ([198.182.60.75]:48471 "EHLO vaxjo.synopsys.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750735Ab3FYEh6 (ORCPT ); Tue, 25 Jun 2013 00:37:58 -0400 Message-ID: <51C91E9A.9040006@synopsys.com> Date: Tue, 25 Jun 2013 10:07:46 +0530 From: Vineet Gupta User-Agent: Mozilla/5.0 (X11; Linux i686; rv:17.0) Gecko/20130510 Thunderbird/17.0.6 MIME-Version: 1.0 To: Paul Gortmaker CC: Subject: Re: [PATCH 10/32] arc: delete __cpuinit usage from all arc files References: <1372102237-8757-1-git-send-email-paul.gortmaker@windriver.com> <1372102237-8757-11-git-send-email-paul.gortmaker@windriver.com> In-Reply-To: <1372102237-8757-11-git-send-email-paul.gortmaker@windriver.com> X-Enigmail-Version: 1.5.1 Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit X-Originating-IP: [10.12.197.141] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 06/25/2013 01:00 AM, Paul Gortmaker wrote: > The __cpuinit type of throwaway sections might have made sense > some time ago when RAM was more constrained, but now the savings > do not offset the cost and complications. For example, the fix in > commit 5e427ec2d0 ("x86: Fix bit corruption at CPU resume time") > is a good example of the nasty type of bugs that can be created > with improper use of the various __init prefixes. > > After a discussion on LKML[1] it was decided that cpuinit should go > the way of devinit and be phased out. Once all the users are gone, > we can then finally remove the macros themselves from linux/init.h. > > Note that some harmless section mismatch warnings may result, since > notify_cpu_starting() and cpu_up() are arch independent (kernel/cpu.c) > are flagged as __cpuinit -- so if we remove the __cpuinit from > arch specific callers, we will also get section mismatch warnings. > As an intermediate step, we intend to turn the linux/init.h cpuinit > content into no-ops as early as possible, since that will get rid > of these warnings. In any case, they are temporary and harmless. > > This removes all the arch/arc uses of the __cpuinit macros from > all C files. Currently arc does not have any __CPUINIT used in > assembly files. > > [1] https://lkml.org/lkml/2013/5/20/589 > > Cc: Vineet Gupta > Signed-off-by: Paul Gortmaker Applied to ARC for-curr (for 3.11) Thx a bunch, -Vineet