From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757587Ab3AYRI0 (ORCPT ); Fri, 25 Jan 2013 12:08:26 -0500 Received: from hrndva-omtalb.mail.rr.com ([71.74.56.122]:17699 "EHLO hrndva-omtalb.mail.rr.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756987Ab3AYRIZ (ORCPT ); Fri, 25 Jan 2013 12:08:25 -0500 X-Authority-Analysis: v=2.0 cv=C91rOHz+ c=1 sm=0 a=rXTBtCOcEpjy1lPqhTCpEQ==:17 a=mNMOxpOpBa8A:10 a=jPgbAdZAaisA:10 a=5SG0PmZfjMsA:10 a=Q9fys5e9bTEA:10 a=meVymXHHAAAA:8 a=88l9eXxIsI4A:10 a=l5ZUUOtXD1rE0nuk8SAA:9 a=PUjeQqilurYA:10 a=rXTBtCOcEpjy1lPqhTCpEQ==:117 X-Cloudmark-Score: 0 X-Authenticated-User: X-Originating-IP: 74.67.115.198 Message-ID: <1359133703.21576.233.camel@gandalf.local.home> Subject: Re: [PATCH 19/19] [INCOMPLETE] ARM: make return_address available for ARM_UNWIND From: Steven Rostedt To: Dave Martin Cc: Arnd Bergmann , linux-kernel@vger.kernel.org, sahara , Russell King , linux-arm-kernel@lists.infradead.org Date: Fri, 25 Jan 2013 12:08:23 -0500 In-Reply-To: <20130125165934.GE2069@linaro.org> References: <1359123276-15833-1-git-send-email-arnd@arndb.de> <1359123276-15833-20-git-send-email-arnd@arndb.de> <20130125162608.GD2069@linaro.org> <1359132254.21576.230.camel@gandalf.local.home> <20130125165934.GE2069@linaro.org> Content-Type: text/plain; charset="ISO-8859-15" X-Mailer: Evolution 3.4.4-1 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 2013-01-25 at 16:59 +0000, Dave Martin wrote: > Cool. Are you aware of return_address being used elsewhere? Currently > I'm not aware of anything else which uses it, and grep is not finding > any calls outside ftrace.h that I can see. softirq.c has a trace_preempt_off() use of CALLER_ADDR1. kernel/sched/core.c has CALLER_ADDR1, 2 an 3. -- Steve