From patchwork Wed Aug 24 17:21:47 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laura Abbott X-Patchwork-Id: 1093402 Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) by demeter2.kernel.org (8.14.4/8.14.4) with ESMTP id p7OHNuei004625 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Wed, 24 Aug 2011 17:24:16 GMT Received: from canuck.infradead.org ([2001:4978:20e::1]) by merlin.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1QwHAh-00070J-Nh; Wed, 24 Aug 2011 17:23:25 +0000 Received: from localhost ([127.0.0.1] helo=canuck.infradead.org) by canuck.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1QwHAh-00050o-9h; Wed, 24 Aug 2011 17:23:23 +0000 Received: from wolverine01.qualcomm.com ([199.106.114.254]) by canuck.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1QwHA7-0004tT-17 for linux-arm-kernel@lists.infradead.org; Wed, 24 Aug 2011 17:22:48 +0000 X-IronPort-AV: E=McAfee;i="5400,1158,6448"; a="112634688" Received: from pdmz-css-vrrp.qualcomm.com (HELO mostmsg01.qualcomm.com) ([199.106.114.130]) by wolverine01.qualcomm.com with ESMTP/TLS/ADH-AES256-SHA; 24 Aug 2011 10:22:20 -0700 Received: from lauraa-linux.qualcomm.com (pdmz-snip-v218.qualcomm.com [192.168.218.1]) by mostmsg01.qualcomm.com (Postfix) with ESMTPA id 038FA10004DB; Wed, 24 Aug 2011 10:22:20 -0700 (PDT) From: Laura Abbott To: linux@arm.linux.org.uk, nicolas.pitre@linaro.org Subject: [PATCH 2/2] process: change from __backtrace to dump_stack_regs in show_regs Date: Wed, 24 Aug 2011 10:21:47 -0700 Message-Id: <1314206507-6487-3-git-send-email-lauraa@codeaurora.org> X-Mailer: git-send-email 1.7.3.3 In-Reply-To: <1314206507-6487-1-git-send-email-lauraa@codeaurora.org> References: <1314206507-6487-1-git-send-email-lauraa@codeaurora.org> X-CRM114-Version: 20090807-BlameThorstenAndJenny ( TRE 0.7.6 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20110824_132247_368875_DB3AC4EE X-CRM114-Status: GOOD ( 13.12 ) X-Spam-Score: -2.3 (--) X-Spam-Report: SpamAssassin version 3.3.1 on canuck.infradead.org summary: Content analysis details: (-2.3 points) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at http://www.dnswl.org/, medium trust [199.106.114.254 listed in list.dnswl.org] Cc: Laura Abbott , catalin.marinas@arm.com, will.deacon@arm.com, linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: linux-arm-kernel-bounces@lists.infradead.org Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.6 (demeter2.kernel.org [140.211.167.43]); Wed, 24 Aug 2011 17:24:16 +0000 (UTC) Currently, show_regs calls __backtrace which does nothing if CONIFG_FRAME_POINTER is not set. Switch to dump_stack_regs to show the backtrace from a given set of registers. Signed-off-by: Laura Abbott --- arch/arm/kernel/process.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c index 1a347f4..6f11213 100644 --- a/arch/arm/kernel/process.c +++ b/arch/arm/kernel/process.c @@ -319,7 +319,7 @@ void show_regs(struct pt_regs * regs) printk("\n"); printk("Pid: %d, comm: %20s\n", task_pid_nr(current), current->comm); __show_regs(regs); - __backtrace(); + dump_stack_regs(regs); } ATOMIC_NOTIFIER_HEAD(thread_notify_head);