Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754666Ab3EJU41 (ORCPT ); Fri, 10 May 2013 16:56:27 -0400 Received: from hrndva-omtalb.mail.rr.com ([71.74.56.122]:10019 "EHLO hrndva-omtalb.mail.rr.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754247Ab3EJU40 (ORCPT ); Fri, 10 May 2013 16:56:26 -0400 X-Authority-Analysis: v=2.0 cv=DKcNElxb c=1 sm=0 a=rXTBtCOcEpjy1lPqhTCpEQ==:17 a=mNMOxpOpBa8A:10 a=wom5GMh1gUkA:10 a=5SG0PmZfjMsA:10 a=kj9zAlcOel0A:10 a=meVymXHHAAAA:8 a=lscNsCJQAkAA:10 a=MKZvXr83paJqZ6z7F74A:9 a=CjuIK1q_8ugA:10 a=rXTBtCOcEpjy1lPqhTCpEQ==:117 X-Cloudmark-Score: 0 X-Authenticated-User: X-Originating-IP: 74.67.115.198 Date: Fri, 10 May 2013 16:56:22 -0400 From: Steven Rostedt To: Al Viro Cc: Borislav Petkov , Andrew Morton , Dave Jones , Linux Kernel Subject: Re: SyS symbol munging. Message-ID: <20130510205622.GD9583@home.goodmis.org> References: <20130510192417.GA4915@redhat.com> <20130510123510.78c066f177a7a8e5dd9ec7e4@linux-foundation.org> <20130510195500.GD23014@pd.tnic> <20130510200503.GM25399@ZenIV.linux.org.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20130510200503.GM25399@ZenIV.linux.org.uk> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1027 Lines: 25 On Fri, May 10, 2013 at 09:05:03PM +0100, Al Viro wrote: > On Fri, May 10, 2013 at 09:55:00PM +0200, Borislav Petkov wrote: > > On Fri, May 10, 2013 at 12:35:10PM -0700, Andrew Morton wrote: > > > I forget who did this initially and peeling back those layers with git > > > is tiresome. > > > > 1a94bc34768e4 from 2009, although those SyS* things started appearing in > > stack traces only recently AFAIR. > > Note that both sys_something and SyS_something end up in vmlinux symbol > table, refering to the same address. AFAICS, what matters is which one > goes first. May be even linker-dependent... Actually, it's the first one that kallsyms finds in its binary search. If the table is layed out a little differently, it may find the first one or the second one. -- Steve -- 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/