From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6634BC67790 for ; Fri, 27 Jul 2018 14:59:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 29C27208AC for ; Fri, 27 Jul 2018 14:59:25 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 29C27208AC Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.ibm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388822AbeG0QVk (ORCPT ); Fri, 27 Jul 2018 12:21:40 -0400 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:38082 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732059AbeG0QVk (ORCPT ); Fri, 27 Jul 2018 12:21:40 -0400 Received: from pps.filterd (m0098410.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.22/8.16.0.22) with SMTP id w6RExEdL068120 for ; Fri, 27 Jul 2018 10:59:22 -0400 Received: from e12.ny.us.ibm.com (e12.ny.us.ibm.com [129.33.205.202]) by mx0a-001b2d01.pphosted.com with ESMTP id 2kg3qudcn0-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Fri, 27 Jul 2018 10:59:22 -0400 Received: from localhost by e12.ny.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Fri, 27 Jul 2018 10:59:20 -0400 Received: from b01cxnp23034.gho.pok.ibm.com (9.57.198.29) by e12.ny.us.ibm.com (146.89.104.199) with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Fri, 27 Jul 2018 10:59:15 -0400 Received: from b01ledav006.gho.pok.ibm.com (b01ledav006.gho.pok.ibm.com [9.57.199.111]) by b01cxnp23034.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id w6RExENP6488344 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Fri, 27 Jul 2018 14:59:14 GMT Received: from b01ledav006.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 6076FAC05F; Fri, 27 Jul 2018 10:59:57 -0400 (EDT) Received: from b01ledav006.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 1D2B9AC059; Fri, 27 Jul 2018 10:59:52 -0400 (EDT) Received: from kermit-br-ibm-com.ibmmodules.com (unknown [9.80.82.251]) by b01ledav006.gho.pok.ibm.com (Postfix) with ESMTP; Fri, 27 Jul 2018 10:59:51 -0400 (EDT) From: Murilo Opsfelder Araujo To: linux-kernel@vger.kernel.org Cc: "Alastair D'Silva" , Andrew Donnellan , Balbir Singh , Benjamin Herrenschmidt , Christophe Leroy , Cyril Bur , "Eric W . Biederman" , Michael Ellerman , Michael Neuling , Murilo Opsfelder Araujo , Nicholas Piggin , Paul Mackerras , Simon Guo , Sukadev Bhattiprolu , "Tobin C . Harding" , linuxppc-dev@lists.ozlabs.org Subject: [PATCH v2 05/10] powerpc/traps: Print VMA for unhandled signals Date: Fri, 27 Jul 2018 11:58:06 -0300 X-Mailer: git-send-email 2.17.1 In-Reply-To: <20180727145811.12334-1-muriloo@linux.ibm.com> References: <20180727145811.12334-1-muriloo@linux.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 x-cbid: 18072714-0060-0000-0000-00000293126E X-IBM-SpamModules-Scores: X-IBM-SpamModules-Versions: BY=3.00009438; HX=3.00000241; KW=3.00000007; PH=3.00000004; SC=3.00000266; SDB=6.01066907; UDB=6.00548186; IPR=6.00844773; MB=3.00022354; MTD=3.00000008; XFM=3.00000015; UTC=2018-07-27 14:59:19 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 18072714-0061-0000-0000-000045F327A2 Message-Id: <20180727145811.12334-6-muriloo@linux.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2018-07-27_06:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=1 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=733 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1806210000 definitions=main-1807270154 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This adds VMA address in the message printed for unhandled signals, similarly to what other architectures, like x86, print. Before this patch, a page fault looked like: pandafault[61470]: unhandled signal 11 at 00000000100007d0 nip 000000001000061c lr 00007fff8d185100 code 2 After this patch, a page fault looks like: pandafault[6303]: unhandled signal 11 at 00000000100007d0 nip 000000001000061c lr 00007fff93c55100 code 2 in pandafault[10000000+10000] Signed-off-by: Murilo Opsfelder Araujo --- arch/powerpc/kernel/traps.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c index 047d980ac776..e6c43ef9fb50 100644 --- a/arch/powerpc/kernel/traps.c +++ b/arch/powerpc/kernel/traps.c @@ -315,9 +315,13 @@ static void show_signal_msg(int signr, struct pt_regs *regs, int code, return; pr_info("%s[%d]: unhandled signal %d at "REG_FMT \ - " nip "REG_FMT" lr "REG_FMT" code %x\n", + " nip "REG_FMT" lr "REG_FMT" code %x", current->comm, current->pid, signr, addr, regs->nip, regs->link, code); + + print_vma_addr(KERN_CONT " in ", regs->nip); + + pr_cont("\n"); } void _exception_pkey(int signr, struct pt_regs *regs, int code, -- 2.17.1