Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964965AbWHHPi7 (ORCPT ); Tue, 8 Aug 2006 11:38:59 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S964966AbWHHPi6 (ORCPT ); Tue, 8 Aug 2006 11:38:58 -0400 Received: from mailhub.sw.ru ([195.214.233.200]:33953 "EHLO relay.sw.ru") by vger.kernel.org with ESMTP id S964965AbWHHPi6 (ORCPT ); Tue, 8 Aug 2006 11:38:58 -0400 Message-ID: <44D8B048.8060103@sw.ru> Date: Tue, 08 Aug 2006 19:39:52 +0400 From: Kirill Korotaev User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.13) Gecko/20060417 X-Accept-Language: en-us, en, ru MIME-Version: 1.0 To: Alan Cox CC: Muli Ben-Yehuda , =?UTF-8?B?QmrDtnJuIFN0ZWluYnJpbms=?= , linux-kernel@vger.kernel.org, dev@openvz.org, stable@kernel.org Subject: Re: + sys_getppid-oopses-on-debug-kernel.patch added to -mm tree References: <200608081432.k78EWprf007511@shell0.pdx.osdl.net> <20060808143937.GA3953@rhun.haifa.ibm.com> <20060808145138.GA2720@atjola.homenet> <20060808145709.GB3953@rhun.haifa.ibm.com> <1155050547.5729.91.camel@localhost.localdomain> In-Reply-To: <1155050547.5729.91.camel@localhost.localdomain> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 829 Lines: 21 >>Even without getting into just how ugly this is, is it really worth >>it? it is impossible to run debug kernels w/o this patch :/ or are you asking whether this optimization worth it? What makes me worry is that this is a sign that vendors don't even bother to run debug kernels :(((( > It never was in my opinion but I lost that battle to Linus in 1.3.40 or > so timescales. Given how critical getppid _isnt_ I don't see the point > in being clever. Alan, if you sign off the patch I will prepare another one, which removes the optimization away and make it always safe. Kirill - 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/