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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 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 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=736 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1806210000 definitions=main-1807270154 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.27 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Michael Neuling , Murilo Opsfelder Araujo , Simon Guo , Nicholas Piggin , Paul Mackerras , "Eric W . Biederman" , Andrew Donnellan , Alastair D'Silva , Sukadev Bhattiprolu , linuxppc-dev@lists.ozlabs.org, Cyril Bur , "Tobin C . Harding" Errors-To: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" 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,