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=-17.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,PDS_BAD_THREAD_QP_64,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,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 D1275C4707F for ; Fri, 21 May 2021 17:48:19 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 78315613CB for ; Fri, 21 May 2021 17:48:17 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 78315613CB Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=oracle.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 2E501940025; Fri, 21 May 2021 13:48:06 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 2449694002B; Fri, 21 May 2021 13:48:06 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id E78E7940025; Fri, 21 May 2021 13:48:05 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0180.hostedemail.com [216.40.44.180]) by kanga.kvack.org (Postfix) with ESMTP id AEF4494002B for ; Fri, 21 May 2021 13:48:05 -0400 (EDT) Received: from smtpin34.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with ESMTP id 4CA6C10EFF for ; Fri, 21 May 2021 17:48:05 +0000 (UTC) X-FDA: 78165971730.34.BA0018F Received: from aserp2120.oracle.com (aserp2120.oracle.com [141.146.126.78]) by imf18.hostedemail.com (Postfix) with ESMTP id 67C2C20007D8 for ; Fri, 21 May 2021 17:48:02 +0000 (UTC) Received: from pps.filterd (aserp2120.oracle.com [127.0.0.1]) by aserp2120.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 14LHT4Ih142878; Fri, 21 May 2021 17:48:04 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=from : to : cc : subject : date : message-id : references : in-reply-to : content-type : content-transfer-encoding : mime-version; s=corp-2020-01-29; bh=qalgSsVHFuAKTk1n9xV6ooONkJdN9gDooPl+5R1TsJc=; b=rbTO6JmLvq23GP3zz/LQTXEaV29U8EDWjXJuFpLuBQC0ZBCWhIz4l6+Q5CYPZuPwbTU5 wuGx46OWX9zqwtzI5ABNO8jpokB1oV5o9hsQ88mjHQlBTNYDhwzNxXmvLs18E5Dt/EAc FrM5l4mbwUNol+JgaCgoM+z+jdsEy1Us/IK3mK9WUQ5ImAcGKJiaBU9R9/gSFQ7MM7+a QxSul518B1CZwEQ87Wa7vJmC1LNXru07r7UYzFHMo5Asx13D5XGavkG+Eo4KtIXYwXry WL9zsMvdNL03vxres3wkGxrwSbVa2Rd+FGU7WBCwee7oIaJpLLrSkRV5w1MbhlrVDRhb Cg== Received: from userp3020.oracle.com (userp3020.oracle.com [156.151.31.79]) by aserp2120.oracle.com with ESMTP id 38j68mratm-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 21 May 2021 17:48:03 +0000 Received: from pps.filterd (userp3020.oracle.com [127.0.0.1]) by userp3020.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 14LHk0rW189475; Fri, 21 May 2021 17:48:03 GMT Received: from nam02-sn1-obe.outbound.protection.outlook.com (mail-sn1anam02lp2043.outbound.protection.outlook.com [104.47.57.43]) by userp3020.oracle.com with ESMTP id 38n4930cwe-8 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 21 May 2021 17:48:02 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=ZjyWeuNcd14Y7pP8RwR04ukRdxjUp2vN9RQnG1EwCHHOEfzAJlQpkG4Rt4lCkW2ohUaTo5g9/Wk5jrrJ/cuD5ULK4UNOmkHvnEHGo1kjkJgm1iUToLNopV9GhMvipLikJdbldalwzoYgZwD1Uvhg9v0bxHUt3fqfZqsPJBOFM3Ntw9x8UJcxQ074YIihejqJdYzgwyEPIZqoYee7w83Fc77ItSpiCuOLFWRNfXdoHaW4aa7qfgcpSD5doKlSXESmbgx7eKEhw5h2IAQA4HFO0QUQekrE0NuIodIPzEOTzrWUawwT6f0dGBljs4q0xRVLGK9AIbd2g6v8NyIpzpKMJA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=qalgSsVHFuAKTk1n9xV6ooONkJdN9gDooPl+5R1TsJc=; b=HG9qsMC8FeMh4z5mn6RG4ZkEyXKA/xileAyaYZFnBfK0GI1Dqf9Zm1douzUUwlnWsAGsvjnnNbtUYNlkFc3evRvnZap7LaT5kGFUJF+PgDmNRxsnXl+Rs56Bpc1HV5s6E2siw6z3gooD5FEMtkWPr9jDL7Vexad97WsMp4jLEwYLuZ7QGJ/RJ5+lg1CJ2r00rl4a+/MBpPmH88la1RiwcTV474gPEtJbG2xjUcZhYtcCBfgvFFFnYvPKOZaoU7aYnZAsk2KfvWaIHmgYTph5PLQmyjXSZIkRZD/WfFav4Iy3yrF7bi3mkbnXnPnsvrDlMmhCpwIU8O9Z3KGB2LAaPQ== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=oracle.com; dmarc=pass action=none header.from=oracle.com; dkim=pass header.d=oracle.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.onmicrosoft.com; s=selector2-oracle-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=qalgSsVHFuAKTk1n9xV6ooONkJdN9gDooPl+5R1TsJc=; b=GnFbNhxjZHQ2wtTOGfo3Fo5HLvjV0rdQIwwSh7dF2sn7AkjBAmwYohZtxdMLi3T1AITANFP6U+XxP1WrXR1S+wmG3oSG8S0loIeTIEEfio5n13ey9rE7yirTNQHvDvE7nzG/g/IGU8ActOLM6NqtdIuL+5J4iUTY6bdv/41bgB8= Received: from MWHPR10MB1582.namprd10.prod.outlook.com (2603:10b6:300:22::8) by CO1PR10MB4467.namprd10.prod.outlook.com (2603:10b6:303:90::22) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4150.23; Fri, 21 May 2021 17:48:01 +0000 Received: from MWHPR10MB1582.namprd10.prod.outlook.com ([fe80::353a:1802:6e91:1811]) by MWHPR10MB1582.namprd10.prod.outlook.com ([fe80::353a:1802:6e91:1811%8]) with mapi id 15.20.4150.023; Fri, 21 May 2021 17:48:01 +0000 From: Liam Howlett To: Andrew Morton , "linux-mm@kvack.org" , "linux-kernel@vger.kernel.org" CC: Geert Uytterhoeven , Laurent Dufour , Davidlohr Bueso , Liam Howlett Subject: [PATCH v2 08/22] arch/m68k/kernel/sys_m68k: Use vma_lookup() in sys_cacheflush() Thread-Topic: [PATCH v2 08/22] arch/m68k/kernel/sys_m68k: Use vma_lookup() in sys_cacheflush() Thread-Index: AQHXTmlx2XDwjbqDc0SlT2Bi22L7tw== Date: Fri, 21 May 2021 17:48:01 +0000 Message-ID: <20210521174745.2219620-9-Liam.Howlett@Oracle.com> References: <20210521174745.2219620-1-Liam.Howlett@Oracle.com> In-Reply-To: <20210521174745.2219620-1-Liam.Howlett@Oracle.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: git-send-email 2.30.2 x-originating-ip: [23.233.25.87] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 517586ea-7a20-4415-87f2-08d91c8093db x-ms-traffictypediagnostic: CO1PR10MB4467: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:4941; x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: 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 x-forefront-antispam-report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:MWHPR10MB1582.namprd10.prod.outlook.com;PTR:;CAT:NONE;SFS:(346002)(376002)(396003)(366004)(39860400002)(136003)(6512007)(26005)(44832011)(71200400001)(107886003)(76116006)(91956017)(122000001)(86362001)(8936002)(66446008)(66556008)(6486002)(64756008)(2616005)(5660300002)(8676002)(36756003)(186003)(4326008)(66476007)(66946007)(478600001)(1076003)(54906003)(2906002)(110136005)(38100700002)(4744005)(316002)(83380400001)(6506007);DIR:OUT;SFP:1101; x-ms-exchange-antispam-messagedata: =?iso-8859-1?Q?tysKxYZnmSCnZpTZVFu1FvnFqIa9McIK0TwgJ3F+C9k3S7b5ISRHNAPr7z?= =?iso-8859-1?Q?GbMzq/yI6Ma2sGlsHgZ+FyGm5j0O9AliggbvvII+eSSO5DQ9J4Nd6sv3Wl?= =?iso-8859-1?Q?epNBixqvno1Qlabvw0ioccmSRLzJGV6JjhsteayxwKLV2PiDbbuBOG2WU7?= =?iso-8859-1?Q?AnMHAM3GJbVwxzXlprXUHsOnED6ZLWyXY5aRONXD3j+fVgLPjUSx1hcs8f?= =?iso-8859-1?Q?eKn28gEAhfvFDKHjs/WNrWXO+ODzhtHF9bbzgvBNmY6GnU8PVIvu0AVM9x?= =?iso-8859-1?Q?6un9NxdL/N5gxe8hF7xjBZI2euzcfZ3vtDCG3V2PwjnH8/XwQKFPs758KN?= =?iso-8859-1?Q?K2SHbjMtOLNy941AC6VTbzF8v3esB5bh23WY1AckhwYyc+T82tyg9XpScj?= =?iso-8859-1?Q?3VeCUyDRQ9YR8n+VlmQ0hhl/jB3eTvkveKUqjvxCk9qA5WZ6n3nQQKNsXi?= =?iso-8859-1?Q?2b4425h9B71KJ0ZV09No63frKYQy89+HPOYmo1GURObH3JzYsSDO4rfPXR?= =?iso-8859-1?Q?WfVM+tr9fw4nWrbu4L1f2OrKzvMsZOfAap4iGPEiEEu8K7XLPrMcepa+97?= =?iso-8859-1?Q?TDDDv6GuMWkagmNLId1eZ0wZjIkVhOnVoG5IQR2oBZACUEQ0P1XJuGzx0v?= =?iso-8859-1?Q?QNXrPGkuLR7oLy2gwI4ZVLCj1VlkByfK4DxCp3SN7l7VnSy5TRnHs2QqzG?= =?iso-8859-1?Q?as/js+ct69fzL2iPdQyp8upnQkErTmeIKW7vjStW9FrMognw0z04TYoMZ3?= =?iso-8859-1?Q?LGRv1GgE0R2uc3vEGnvD2bFcJ8WCGdeMIG4OxaudPQGiRApJVBRW6vgauJ?= =?iso-8859-1?Q?8BiRcqY/EsRkDIXnRfCUVao5o4TddexZg6/5o1nBfLtm/I6H0rvPW3UpN1?= =?iso-8859-1?Q?xRu7Qe/0EdNbIHRP7uHQlChkGBBxiBtjjRG9kE4kCjCZCVW1LTXGJmiRz/?= =?iso-8859-1?Q?iS+xB+fmm8W+Am7EaHSUyp/mAIy1Ut4Fz2taHg+CXmtLN5wXuAozb2QTZQ?= =?iso-8859-1?Q?H40eOx2OqJORi/yVOQ5Cwgw82IX1qaJkgSDi086TmXx1DZHWlxmskgqJUP?= =?iso-8859-1?Q?BkEiXCiw3aZ2+jrWlY1sbCEhCYupsvfLxU93xcTl33uvLezj03xUR8BFlR?= =?iso-8859-1?Q?7wijffw/VtWvP7mZpz2+Mhp+WdWhPQz4CMRbaimlLinRoMfckZZBoT+wHw?= =?iso-8859-1?Q?IKdMfdVV+KP9dgTwdVLSfALRMIg8rZVMhQ/ezY8ozoYvDG2gXjUZnWUAku?= =?iso-8859-1?Q?7wBDKKwOoe1aaHEo6dxJK82Dz9mstfZD/SJCSC0rO1D92dKyD2xWRQETBX?= =?iso-8859-1?Q?kRaMV3Qlt331zBvC7SpsHOaBRqdFlMgDi5iHzVzmwS3Uu8lZfYnDVYBdKY?= =?iso-8859-1?Q?XRt7Snhl1t?= Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: oracle.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: MWHPR10MB1582.namprd10.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 517586ea-7a20-4415-87f2-08d91c8093db X-MS-Exchange-CrossTenant-originalarrivaltime: 21 May 2021 17:48:01.0315 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 4e2c6054-71cb-48f1-bd6c-3a9705aca71b X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: nHR4m9vOZ59hyHADSH+dEKZBtwvZhe8cMzaENPlw8Yhj0CWFSeIHc9yM83ulWJvd8L/0Ry6e3S+LIcmGaalQxg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: CO1PR10MB4467 X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=9991 signatures=668682 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 phishscore=0 spamscore=0 bulkscore=0 suspectscore=0 mlxlogscore=999 adultscore=0 malwarescore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2104190000 definitions=main-2105210093 X-Proofpoint-ORIG-GUID: Ntod10CNwRVOOe0KXaB_e7Q063K46Ch8 X-Proofpoint-GUID: Ntod10CNwRVOOe0KXaB_e7Q063K46Ch8 X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=9991 signatures=668682 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 mlxscore=0 mlxlogscore=999 priorityscore=1501 impostorscore=0 suspectscore=0 clxscore=1015 adultscore=0 bulkscore=0 phishscore=0 spamscore=0 malwarescore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2104190000 definitions=main-2105210092 X-Rspamd-Queue-Id: 67C2C20007D8 Authentication-Results: imf18.hostedemail.com; dkim=pass header.d=oracle.com header.s=corp-2020-01-29 header.b=rbTO6JmL; dkim=pass header.d=oracle.onmicrosoft.com header.s=selector2-oracle-onmicrosoft-com header.b=GnFbNhxj; spf=none (imf18.hostedemail.com: domain of liam.howlett@oracle.com has no SPF policy when checking 141.146.126.78) smtp.mailfrom=liam.howlett@oracle.com; dmarc=pass (policy=none) header.from=oracle.com X-Rspamd-Server: rspam04 X-Stat-Signature: y6kw97xudmsw4j6gq48fsw74cbh3f99u X-HE-Tag: 1621619282-514168 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Use vma_lookup() to find the VMA at a specific address. As vma_lookup() will return NULL if the address is not within any VMA, the start address no longer needs to be validated. Signed-off-by: Liam R. Howlett Reviewed-by: Laurent Dufour Acked-by: David Hildenbrand Acked-by: Davidlohr Bueso Acked-by: Geert Uytterhoeven --- arch/m68k/kernel/sys_m68k.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/m68k/kernel/sys_m68k.c b/arch/m68k/kernel/sys_m68k.c index f55bdcb8e4f1..bd0274c7592e 100644 --- a/arch/m68k/kernel/sys_m68k.c +++ b/arch/m68k/kernel/sys_m68k.c @@ -402,8 +402,8 @@ sys_cacheflush (unsigned long addr, int scope, int cach= e, unsigned long len) * to this process. */ mmap_read_lock(current->mm); - vma =3D find_vma(current->mm, addr); - if (!vma || addr < vma->vm_start || addr + len > vma->vm_end) + vma =3D vma_lookup(current->mm, addr); + if (!vma || addr + len > vma->vm_end) goto out_unlock; } =20 --=20 2.30.2