From patchwork Sat Sep 9 20:16:10 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mukesh Ojha X-Patchwork-Id: 13378366 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 0100BEE801F for ; Sat, 9 Sep 2023 20:20:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1343854AbjIIUUM (ORCPT ); Sat, 9 Sep 2023 16:20:12 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44078 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1343733AbjIIUUM (ORCPT ); Sat, 9 Sep 2023 16:20:12 -0400 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E84BF170C; Sat, 9 Sep 2023 13:19:29 -0700 (PDT) Received: from pps.filterd (m0279872.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 389KI6nn002971; Sat, 9 Sep 2023 20:18:06 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=9liW1TWuilzZXgtFUTRnBpUJWzVSW/jI5dz27x+NbLs=; b=nYoq/Zn6qdWiz+NYlTM4P9x1yiufKNuPjSL6+ZMCXoAAWBOSAKmqyfylg5FhfTcpJOt9 9yDUEFnCeSA7w/xrR07YWNxwcpVbq0bLzxXE/6Rjrds5oZf3bj1qQTTMRbDBYrgRKqpu 8Wu0eNna8un4z+nfHosLndI6vL20J9xK1oszUgwOWc1MC9CIWIg4XuiIqOBVQNgh2pW1 sFA1MEIjAvvIyEJyH+UN9guntYDljVPUJKe1xX6jibViT6bVuRGwX3GHaXqqIlx5rNLX L816oWY++r9kE15lB4TktI4c06w14tDo8ReC0q9B6G3hrXRLmVnCKkQhqf/Mn9+4KWI/ vw== Received: from nasanppmta01.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3t0h3drwkh-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Sat, 09 Sep 2023 20:18:06 +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 389KI5no007335 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Sat, 9 Sep 2023 20:18:05 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 13:17:54 -0700 From: Mukesh Ojha To: , , , , , , , , , , , , , , , , , , , , , CC: , , , , , , , , , , Subject: [PATCH v5 09/17] pstore/ram: Use dynamic ramoops reserve resource Date: Sun, 10 Sep 2023 01:46:10 +0530 Message-ID: <1694290578-17733-10-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-GUID: _5oy-0n1aHv_BMXkvk0sAYOaD4q2-PFQ X-Proofpoint-ORIG-GUID: _5oy-0n1aHv_BMXkvk0sAYOaD4q2-PFQ 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_19,2023-09-05_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 bulkscore=0 phishscore=0 mlxlogscore=999 adultscore=0 spamscore=0 suspectscore=0 impostorscore=0 malwarescore=0 mlxscore=0 lowpriorityscore=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 As dynamic ramoops command line parsing is now added, so lets add the support in ramoops driver to get the resource structure and add it during platform device registration. Signed-off-by: Mukesh Ojha --- fs/pstore/ram.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/fs/pstore/ram.c b/fs/pstore/ram.c index 2f625e1fa8d8..e73fbbc1b5b5 100644 --- a/fs/pstore/ram.c +++ b/fs/pstore/ram.c @@ -913,13 +913,17 @@ static void __init ramoops_register_dummy(void) /* * Prepare a dummy platform data structure to carry the module - * parameters. If mem_size isn't set, then there are no module - * parameters, and we can skip this. + * parameters. If mem_size isn't set, check for dynamic ramoops + * size and extract the information if it is set. */ - if (!mem_size) + if (!mem_size && !dyn_ramoops_res.end) return; pr_info("using module parameters\n"); + if (dyn_ramoops_res.end) { + mem_size = resource_size(&dyn_ramoops_res); + mem_address = dyn_ramoops_res.start; + } memset(&pdata, 0, sizeof(pdata)); pdata.mem_size = mem_size;