From patchwork Sat Sep 9 20:16:06 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mukesh Ojha X-Patchwork-Id: 13378362 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 6FDA6EE57CC for ; Sat, 9 Sep 2023 20:19:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229886AbjIIUTo (ORCPT ); Sat, 9 Sep 2023 16:19:44 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41778 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229460AbjIIUTo (ORCPT ); Sat, 9 Sep 2023 16:19:44 -0400 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 28914198E; Sat, 9 Sep 2023 13:19:11 -0700 (PDT) Received: from pps.filterd (m0279863.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 389KHVke014030; Sat, 9 Sep 2023 20:17:31 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=f093h9/Q4Paw94WLqcQOQxJjOABlzk9av+QS61HRjXU=; b=pA3idQBnPH/5HRtwS87pG8w0/7+YdbhngWRmSvlrrFMUeDBLuVDc6azBLC9HNUmnIwSn y/+zUnzr3R1BWQ0NWp3XgYp/dy4IHzKvDfzNM6SDCbpjveAqmZr/Im7EdZ0d47RuV9hv iVA0/RcNGCa7eeBfeL1lblS9R7WoRz7kl/eBA5mYqPU3CC7Yrr2JoK+evJB8+LaublWX UkYLJaNvmODOSVfQHs+HU1jJOoWdYhdn2Ao26nDIJ+Aj9SVXuy6IUSI4Rwz07x8bFtQ+ fhAd3BNEHrxAvlESzCltsbpcKt243c55ZtINoYkELFUK/mZ94bUQuJxTWl14Dd7QzQtm 8A== Received: from nasanppmta02.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3t0gx9s0u7-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Sat, 09 Sep 2023 20:17:30 +0000 Received: from nasanex01c.na.qualcomm.com (nasanex01c.na.qualcomm.com [10.45.79.139]) by NASANPPMTA02.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 389KHTVg018848 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Sat, 9 Sep 2023 20:17:29 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 15.2.1118.36; Sat, 9 Sep 2023 13:17:19 -0700 From: Mukesh Ojha To: , , , , , , , , , , , , , , , , , , , , , CC: , , , , , , , , , , Subject: [PATCH v5 05/17] init: export linux_banner data variable Date: Sun, 10 Sep 2023 01:46:06 +0530 Message-ID: <1694290578-17733-6-git-send-email-quic_mojha@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1694290578-17733-1-git-send-email-quic_mojha@quicinc.com> References: <1694290578-17733-1-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: ntNGu0pon5oN3YTWiuFPLRpu8itHcAlQ X-Proofpoint-GUID: ntNGu0pon5oN3YTWiuFPLRpu8itHcAlQ X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.267,Aquarius:18.0.957,Hydra:6.0.601,FMLib:17.11.176.26 definitions=2023-09-09_18,2023-09-05_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 spamscore=0 mlxscore=0 lowpriorityscore=0 bulkscore=0 mlxlogscore=999 malwarescore=0 suspectscore=0 adultscore=0 priorityscore=1501 impostorscore=0 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2308100000 definitions=main-2309090187 Precedence: bulk List-ID: X-Mailing-List: linux-hardening@vger.kernel.org Some debug loadable module like minidump is interested in knowing the kernel version against which it is being build. Let's export linux_banner. Signed-off-by: Mukesh Ojha --- include/linux/init.h | 3 +++ init/version-timestamp.c | 3 +++ 2 files changed, 6 insertions(+) diff --git a/include/linux/init.h b/include/linux/init.h index 266c3e1640d4..1e5d03c2de68 100644 --- a/include/linux/init.h +++ b/include/linux/init.h @@ -148,6 +148,9 @@ extern char *saved_command_line; extern unsigned int saved_command_line_len; extern unsigned int reset_devices; +/* Defined in init/version-timestamp.c */ +extern const char linux_banner[]; + /* used by init/main.c */ void setup_arch(char **); void prepare_namespace(void); diff --git a/init/version-timestamp.c b/init/version-timestamp.c index 043cbf80a766..a48f2c19e5d7 100644 --- a/init/version-timestamp.c +++ b/init/version-timestamp.c @@ -6,6 +6,7 @@ #include #include #include +#include struct uts_namespace init_uts_ns = { .ns.count = REFCOUNT_INIT(2), @@ -28,3 +29,5 @@ struct uts_namespace init_uts_ns = { const char linux_banner[] = "Linux version " UTS_RELEASE " (" LINUX_COMPILE_BY "@" LINUX_COMPILE_HOST ") (" LINUX_COMPILER ") " UTS_VERSION "\n"; + +EXPORT_SYMBOL_GPL(linux_banner);