From patchwork Wed Jun 28 12:34:29 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mukesh Ojha X-Patchwork-Id: 697309 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E76A9EB64DD for ; Wed, 28 Jun 2023 12:36:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231409AbjF1MgK (ORCPT ); Wed, 28 Jun 2023 08:36:10 -0400 Received: from mx0b-0031df01.pphosted.com ([205.220.180.131]:30942 "EHLO mx0b-0031df01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231303AbjF1MgA (ORCPT ); Wed, 28 Jun 2023 08:36:00 -0400 Received: from pps.filterd (m0279871.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 35SBBj0W032212; Wed, 28 Jun 2023 12:35:29 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type; s=qcppdkim1; bh=z/38/L7Qb4rY0gn24IqUDEH0xFQsfWB9pSUqCcrV3P8=; b=HNt/zEUQKPRanF5fARYX0Inv7LCG2imfF6HYWksc/Eli2gqIe2VjIiOwyMrLlCPlZq19 l7bZCVuDQIuguhcfQV4LBj2QX6OqqTet7/YZqtdc9aRZ4ZfFrnMzqqGdEOOe0454ugB3 2gHE8oIBdGiJ06ixILlRJyde0MVBVa/Wno6UPBe81pLh74ci9+r1ej5jdcEDUxdB/e+m D9e6DFlPygSCp1mGmaDrpB+oe0G5Nr265ncA/pUoLUCtmh0Dhq1lbmGQSHVzMV6xCzWK g1PFLDK/ezpJc9LCowsl1GwG81f0kMZS0Wwb2aDUM5/GqYYYjdeDIWHLrTdPBU6stiFJ gw== Received: from nasanppmta01.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3rgetpgw4j-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 28 Jun 2023 12:35:28 +0000 Received: from nasanex01c.na.qualcomm.com (nasanex01c.na.qualcomm.com [10.45.79.139]) by NASANPPMTA01.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 35SCZRr3025624 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 28 Jun 2023 12:35:27 GMT Received: from hu-mojha-hyd.qualcomm.com (10.80.80.8) by nasanex01c.na.qualcomm.com (10.45.79.139) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.42; Wed, 28 Jun 2023 05:35:20 -0700 From: Mukesh Ojha To: , , , , , , , , , , , , , , CC: , , , , , , , , "Mukesh Ojha" Subject: [PATCH v4 02/21] kallsyms: Export kallsyms_lookup_name Date: Wed, 28 Jun 2023 18:04:29 +0530 Message-ID: <1687955688-20809-3-git-send-email-quic_mojha@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1687955688-20809-1-git-send-email-quic_mojha@quicinc.com> References: <1687955688-20809-1-git-send-email-quic_mojha@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nasanex01c.na.qualcomm.com (10.45.79.139) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: cdOZ3jlYYRrz3hYIl8DadVmQZGPwRH6s X-Proofpoint-GUID: cdOZ3jlYYRrz3hYIl8DadVmQZGPwRH6s X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.957,Hydra:6.0.591,FMLib:17.11.176.26 definitions=2023-06-28_08,2023-06-27_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 adultscore=0 mlxlogscore=999 spamscore=0 priorityscore=1501 suspectscore=0 clxscore=1015 bulkscore=0 mlxscore=0 phishscore=0 lowpriorityscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2305260000 definitions=main-2306280111 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Module like minidump providing debugging support will need to get the symbol information from the core kernel e.g to get the linux_banner, kernel section addresses bss, data, ro etc. commit 0bd476e6c671 ("kallsyms: unexport kallsyms_lookup_name() and kallsyms_on_each_symbol()") unexports kallsyms_lookup_name due to lack of in-tree user of the symbol. Now, that minidump will one of its user, export it. Signed-off-by: Mukesh Ojha --- kernel/kallsyms.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/kallsyms.c b/kernel/kallsyms.c index 77747391f49b..34a074f58736 100644 --- a/kernel/kallsyms.c +++ b/kernel/kallsyms.c @@ -283,7 +283,7 @@ unsigned long kallsyms_lookup_name(const char *name) return module_kallsyms_lookup_name(name); } - +EXPORT_SYMBOL_GPL(kallsyms_lookup_name); /* * Iterate over all symbols in vmlinux. For symbols from modules use * module_kallsyms_on_each_symbol instead.