Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756529AbZJZUEM (ORCPT ); Mon, 26 Oct 2009 16:04:12 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755356AbZJZUEL (ORCPT ); Mon, 26 Oct 2009 16:04:11 -0400 Received: from mx3.mail.elte.hu ([157.181.1.138]:39534 "EHLO mx3.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753831AbZJZUEK (ORCPT ); Mon, 26 Oct 2009 16:04:10 -0400 Date: Mon, 26 Oct 2009 21:03:52 +0100 From: Ingo Molnar To: Chuck Ebbert Cc: Andrew Morton , Dave Jones , Linux Kernel , Thomas Gleixner , esandeen@redhat.com Subject: Re: Unnecessary overhead with stack protector. Message-ID: <20091026200352.GA24682@elte.hu> References: <20091015183540.GA8098@redhat.com> <20091021182636.63edbf72.akpm@linux-foundation.org> <20091026123004.297a0a25@katamari.usersys.redhat.com> <20091026093706.c6416715.akpm@linux-foundation.org> <20091026125615.6dcc1e0e@katamari.usersys.redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20091026125615.6dcc1e0e@katamari.usersys.redhat.com> User-Agent: Mutt/1.5.19 (2009-01-05) 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=3.2.5 -1.5 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 Content-Length: 1738 Lines: 48 * Chuck Ebbert wrote: > On Mon, 26 Oct 2009 09:37:06 -0700 > Andrew Morton wrote: > > > > > This looks like a fairly serious problem to me, but I'm confused by the > > > > commit ID. February 2008 - is this correct? > > > > > > > > > > That date is pure fiction AFAICT. And the Mercurial kernel repo says May 2008... > > > Is there some way to get the date a change was merged into the official tree as > > > opposed to the date it was created in some other tree? > > > > oh, so someone _did_ read my email! > > > > > > git show --pretty=fuller 113c5413cf9051cc50b88befdc42e3402bb92115 > > > > commit 113c5413cf9051cc50b88befdc42e3402bb92115 > > Author: Ingo Molnar > > AuthorDate: Thu Feb 14 10:36:03 2008 +0100 > > Commit: Thomas Gleixner > > CommitDate: Mon May 26 16:15:32 2008 +0200 > > > > I think the CommitDate is when it hit mainline. > > The X-Git-Tag from the web page says it first appeared in mainline in > 2.6.30-rc1: > > From: Ingo Molnar > Date: Thu, 14 Feb 2008 09:36:03 +0000 (+0100) > Subject: x86: unify stackprotector features > X-Git-Tag: v2.6.30-rc1~2^2~50^2~67^2~11 > X-Git-Url: http://git.kernel.org/?p=linux%2Fkernel%2Fgit%2Ftorvalds%2Flinux-2.6.git;a=commitdiff_plain;h=113c5413c > > Looks like it went through three merges on the way there? yep. Note that x86/urgent has this queued up now: 14a3f40: x86: Remove STACKPROTECTOR_ALL 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/