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, 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 99985C433B4 for ; Wed, 28 Apr 2021 15:36:23 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 10C6E61407 for ; Wed, 28 Apr 2021 15:36:23 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 10C6E61407 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 9D7406B0075; Wed, 28 Apr 2021 11:36:03 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 9AD6D6B0078; Wed, 28 Apr 2021 11:36:03 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 78C056B007E; Wed, 28 Apr 2021 11:36:03 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0174.hostedemail.com [216.40.44.174]) by kanga.kvack.org (Postfix) with ESMTP id 4C80E6B0075 for ; Wed, 28 Apr 2021 11:36:03 -0400 (EDT) Received: from smtpin28.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id E0D1537E7 for ; Wed, 28 Apr 2021 15:36:02 +0000 (UTC) X-FDA: 78082176564.28.09CCC61 Received: from mx0a-00069f02.pphosted.com (mx0a-00069f02.pphosted.com [205.220.165.32]) by imf13.hostedemail.com (Postfix) with ESMTP id E9BEBE000105 for ; Wed, 28 Apr 2021 15:35:53 +0000 (UTC) Received: from pps.filterd (m0246627.ppops.net [127.0.0.1]) by mx0b-00069f02.pphosted.com (8.16.0.43/8.16.0.43) with SMTP id 13SFPXuw015928; Wed, 28 Apr 2021 15:35:52 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=It8RwG4GiSF/n1GEYEDTTysFK9GXt2LMSPKSJCdTsHg=; b=P6v5Gc4NuvVbchZdt7cJIFqUdq2M0MVqqFJk/T+WFxIASr4cY1KP3ovjPb3OTf+OX0/p NT6Rf1vlZ4ZYtmEpViZ3v1B3ve/benGsCeF49PdTXnnj+hQTqU3nhlGyg5mAyIJSYdxs avGrrMrcoHgLQ23bPiEn19lxwcHTxoP5VWwFpbq4elxxs4/H7T3iobh5EnoALsi6q7J9 QykUtuXGzDh3Luc7h9lVv+4LBNidVVFhhrdsIsZksxIwm/A3fuidKo+7jrYmPEnxiYZm 3TtXQOvvlG3hVyIFsyXV+dy9kYV7E7NaihWGzqM4Mk+gBuA5MrHM1V9Amusnsb5iPzet Ag== Received: from oracle.com (userp3030.oracle.com [156.151.31.80]) by mx0b-00069f02.pphosted.com with ESMTP id 3878pk84s0-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 28 Apr 2021 15:35:52 +0000 Received: from userp3030.oracle.com (userp3030.oracle.com [127.0.0.1]) by pps.podrdrct (8.16.0.36/8.16.0.36) with SMTP id 13SFZorB158269; Wed, 28 Apr 2021 15:35:51 GMT Received: from nam10-dm6-obe.outbound.protection.outlook.com (mail-dm6nam10lp2108.outbound.protection.outlook.com [104.47.58.108]) by userp3030.oracle.com with ESMTP id 3848eyqw48-2 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 28 Apr 2021 15:35:51 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=bAUoK6vkIIKJ8E+aIGg98U+P9ULj6WPDgN1tDmEXsHjqKReFMZLwmMXf0PFOoaP/aN38VWLi9HGfS5G96UjDx/QI7OiZ5dsUtX/oEsK/EzTE2YyIPPj6/80/FH7ujhF2GbfBKeT1mYSPgE14kYHM7QTPt23o6ZTYQ0jT9Yj2yo87S1UDbKBFU62gUv8rJdW+LkSzsY7WGJhWAw9W1AvEngqgrhV7DCIuWheX7flipW7uSerEocupjipS699R4XVQyjE1XWX9VGsGn9AdYPt3v0L4WeaQgwDKa5IBtSmR5BGAEqvh5tVtfd4gDEjZ9q4qq4mHHKlJP5fnU4luGLTg4w== 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=It8RwG4GiSF/n1GEYEDTTysFK9GXt2LMSPKSJCdTsHg=; b=h+IffiTRgBoPDXET1x7Y+tiy1xwt/LNNsDUEo4UV/ukC5+fEY26ELYUKA2uPTF/6LyqBMiTsn2e31dVs5US1Wi2WMr6lEJaoa6m4gYmqbK5wFvb0xzre/gssgASS5w6HD125AGSQiXmdD9IFA6iE0SxixOBj12n38DwViTMwVI2BJIvVRrdPbpAB5OmUIqGuMta7825nDFPH3ayUknsnhjhQ4SU4wpMFZFtM7O211ub8by5hnkSzOf0A6Dqk9kGOpa8o6OFaz3rR4zYYCJiaJySBd/htzJL35ECW15PSl0StkwtksLJQO+e4dygesTXHQDWnf3Mh/Y7zogkzuU7OTQ== 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=It8RwG4GiSF/n1GEYEDTTysFK9GXt2LMSPKSJCdTsHg=; b=eZKZ14ca7h7KEPWEhFAwL3puOO6zTXJ4wZQjEaCX0cS4qgPbjJsYI1Lp80i+1O2QYYe+h6QDSam7sMBGT5wIcTXUy+hZ5C9wYHkggf1161SGDA4YGBtKgHw2xd2NOu4Qgrr4WhFJmzApk2mzr/4rT84SMrCDY/r/0p8eiJUj6jM= Received: from MWHPR10MB1582.namprd10.prod.outlook.com (2603:10b6:300:22::8) by CO1PR10MB4497.namprd10.prod.outlook.com (2603:10b6:303:9d::16) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4087.25; Wed, 28 Apr 2021 15:35:46 +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 15.20.4065.027; Wed, 28 Apr 2021 15:35:46 +0000 From: Liam Howlett To: "maple-tree@lists.infradead.org" , "linux-mm@kvack.org" , "linux-kernel@vger.kernel.org" , Andrew Morton CC: Song Liu , Davidlohr Bueso , "Paul E . McKenney" , Matthew Wilcox , Laurent Dufour , David Rientjes , Axel Rasmussen , Suren Baghdasaryan , Vlastimil Babka , Rik van Riel , Peter Zijlstra , Michel Lespinasse , Liam Howlett Subject: [PATCH 08/94] x86/sgx: Use vma_lookup() in sgx_encl_find() Thread-Topic: [PATCH 08/94] x86/sgx: Use vma_lookup() in sgx_encl_find() Thread-Index: AQHXPEQoV5l7mDb4p0aYXEbJUwmqHg== Date: Wed, 28 Apr 2021 15:35:46 +0000 Message-ID: <20210428153542.2814175-9-Liam.Howlett@Oracle.com> References: <20210428153542.2814175-1-Liam.Howlett@Oracle.com> In-Reply-To: <20210428153542.2814175-1-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 authentication-results: lists.infradead.org; dkim=none (message not signed) header.d=none;lists.infradead.org; dmarc=none action=none header.from=oracle.com; x-originating-ip: [23.233.25.87] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: edeade04-f477-4252-6db8-08d90a5b4b2a x-ms-traffictypediagnostic: CO1PR10MB4497: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:1360; 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:(396003)(136003)(346002)(376002)(366004)(39860400002)(2616005)(54906003)(4326008)(110136005)(36756003)(4744005)(5660300002)(6486002)(26005)(6512007)(6506007)(86362001)(38100700002)(76116006)(478600001)(2906002)(66446008)(71200400001)(91956017)(64756008)(66556008)(66476007)(7416002)(66946007)(122000001)(8676002)(1076003)(83380400001)(8936002)(316002)(107886003)(44832011)(186003);DIR:OUT;SFP:1101; x-ms-exchange-antispam-messagedata: =?iso-8859-1?Q?78zJd56uqwc7n1x1XAU5QKDPDu4mBBteMY1+qpohnIS1FS8wdHKKh+vla+?= =?iso-8859-1?Q?m/x7Q7PjkJwh4oxKg/3EaVjx1xp+/MbAejW9rh3UCsa35bzKhrpj279OF6?= =?iso-8859-1?Q?N8ztywklJ46xZC/R0bzd7umwz54KnfFEVrorV3bG9Ax9cBdsd6kLTaVrzY?= =?iso-8859-1?Q?76IQWH8bqvr0J66zlIAB8WGSQJ87IWxag0ptsxpXWN73WnX/nbcEDzXtGE?= =?iso-8859-1?Q?FimhFewsh8Wqzx4sbp2TzpmuJjy8qqyQXQGN+2KBmkALDkwRRnaMHzdm3o?= =?iso-8859-1?Q?TWI+pZd143bXSbtZKvHbs+6CIzC6B5NC49a1I85fl6lym7wF4IzhiQPAXO?= =?iso-8859-1?Q?fwjerykEY/awIZ6I/B13p8ew8XY4wc8axNNCM94r9Su+QOmGj44iBHvX6R?= =?iso-8859-1?Q?Hv3z8IZCzIuF7iuN6ciAzr4HlXhax4VwC3oyb4Sum0SwqEfWCD9G8XK1aU?= =?iso-8859-1?Q?0O7ktm2NtonpItc15r6AFbuiTYeeAx16GcNfLjYXnwU5G8BVXfRq8VVBFK?= =?iso-8859-1?Q?L1ZLLFl4TkKBbhmOGeWU3jwbcme2o4SLdBXezEV48v9eJwVR6MA1RqMRyQ?= =?iso-8859-1?Q?qwTW/Jryze6fGuCHCoD7NL+OiE3dJyobAHpoqY69Fv/3vhrwJ4SYTIo5fs?= =?iso-8859-1?Q?fPgRGhEUW1AzJdc4blrUX8v9JFiAb05umgXxfjPQ3OjX9GyO2XpJtXyer5?= =?iso-8859-1?Q?Jxo67/wwyRTea0Z+lW1HHOU+PSaB8FZz2wFQMrMmHZdAZcOtrdFBp5JApu?= =?iso-8859-1?Q?JS6zwc51FmDJ5aQY3JyqU5t5DOXrr0fM5YAMQBjdAlj+7tBdKOKvcnxCH9?= =?iso-8859-1?Q?iChB6TMBI/nWXogovERgUijpVsyEEVh2X7nRVsppybeikzG0Z7azxMgPiu?= =?iso-8859-1?Q?1Z137f+yK49S4NcQ0pjIStxif0dzID8H9cUdHbe//qICNPBixe4X3AEMHu?= =?iso-8859-1?Q?2aceQD6WGqFKBUW3SLloEUEpDH46DI+/l+0e4N5cId88FDOHOSuK5MGVVr?= =?iso-8859-1?Q?CB1P3s0jseAkJ8kwn0SYixUDJkmeasVyjYw8M0kLKLTqjcXvmUAxKEkOOZ?= =?iso-8859-1?Q?44TOZlMbstWJtha6/x4iPBpBYriL/DTtBz3OU4yKoUdAgjYj3IMD3zk/ap?= =?iso-8859-1?Q?F/DwqVBjKp76WDEowE9UvYDt1I8nDkD4uGpcTHHraJ8gX7MVtIjt+1q4o/?= =?iso-8859-1?Q?T+9NmIcIiHsYgZzRsquc3NyK2I0qxynjyfQc5OrTnYpubPNxoD7lQpx1CL?= =?iso-8859-1?Q?d5HeWmsa6pkCmprSeg3p3qQQX6ylZhBkI8dxqBeQVMThJnAYfIRnEyaOPb?= =?iso-8859-1?Q?mFH9ePB4O1hgFeagzQAJqTh2bAnfbDnkFKdk4SdGWF1Rum+UbwCXnO1m4c?= =?iso-8859-1?Q?k3bl0wZKUNuhvpxWWZEdbjHoW9lS3dfw=3D=3D?= 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: edeade04-f477-4252-6db8-08d90a5b4b2a X-MS-Exchange-CrossTenant-originalarrivaltime: 28 Apr 2021 15:35:46.8189 (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: 0qFKM+DPDai5uI6977syq9QUdqzpMyVCjFLPs2pDT2h7gPoJ0FSCMk8gukDSMaodeSdBpfRLDFoD2m5mfX07TQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: CO1PR10MB4497 X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=9968 signatures=668683 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 phishscore=0 spamscore=0 mlxlogscore=999 malwarescore=0 bulkscore=0 adultscore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2104060000 definitions=main-2104280101 X-Proofpoint-ORIG-GUID: 6Zylzc67Rz54HtMFMz2S9e6AH5wQ5LHp X-Proofpoint-GUID: 6Zylzc67Rz54HtMFMz2S9e6AH5wQ5LHp X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: E9BEBE000105 X-Stat-Signature: chiy5gzskigtkgs64eq85ra5yujzsb5r Received-SPF: none (oracle.com>: No applicable sender policy available) receiver=imf13; identity=mailfrom; envelope-from=""; helo=mx0a-00069f02.pphosted.com; client-ip=205.220.165.32 X-HE-DKIM-Result: pass/pass X-HE-Tag: 1619624153-537349 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: Using vma_lookup() removes the requirement to check if the address is within the returned vma. Signed-off-by: Liam R. Howlett --- arch/x86/kernel/cpu/sgx/encl.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/x86/kernel/cpu/sgx/encl.h b/arch/x86/kernel/cpu/sgx/encl.= h index 6e74f85b6264..fec43ca65065 100644 --- a/arch/x86/kernel/cpu/sgx/encl.h +++ b/arch/x86/kernel/cpu/sgx/encl.h @@ -91,8 +91,8 @@ static inline int sgx_encl_find(struct mm_struct *mm, uns= igned long addr, { struct vm_area_struct *result; =20 - result =3D find_vma(mm, addr); - if (!result || result->vm_ops !=3D &sgx_vm_ops || addr < result->vm_start= ) + result =3D vma_lookup(mm, addr); + if (!result || result->vm_ops !=3D &sgx_vm_ops) return -EINVAL; =20 *vma =3D result; --=20 2.30.2