From patchwork Tue Jan 12 16:12:09 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Liam R. Howlett" X-Patchwork-Id: 12013905 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=-16.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,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 62D96C433DB for ; Tue, 12 Jan 2021 16:15:52 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 02BE02222B for ; Tue, 12 Jan 2021 16:15:51 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 02BE02222B 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 8B6518D00CA; Tue, 12 Jan 2021 11:14:12 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 867128D00C7; Tue, 12 Jan 2021 11:14:12 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 6E0A98D00CA; Tue, 12 Jan 2021 11:14:12 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0207.hostedemail.com [216.40.44.207]) by kanga.kvack.org (Postfix) with ESMTP id 50BD98D00C7 for ; Tue, 12 Jan 2021 11:14:12 -0500 (EST) Received: from smtpin15.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id 14167181AEF1D for ; Tue, 12 Jan 2021 16:14:12 +0000 (UTC) X-FDA: 77697619944.15.magic04_25136a627516 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin15.hostedemail.com (Postfix) with ESMTP id DEFC11814B0C1 for ; Tue, 12 Jan 2021 16:14:11 +0000 (UTC) X-HE-Tag: magic04_25136a627516 X-Filterd-Recvd-Size: 4702 Received: from aserp2120.oracle.com (aserp2120.oracle.com [141.146.126.78]) by imf24.hostedemail.com (Postfix) with ESMTP for ; Tue, 12 Jan 2021 16:14:10 +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 10CGDn4M162430; Tue, 12 Jan 2021 16:13:59 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding; s=corp-2020-01-29; bh=efm5Qo8sMnfNkUEZI2BtdTwiszHBoNWwLnT4vdpoihU=; b=OhnKnJ0HSlqLrhLEWr+C5AJsf+6v3B6rJs7nP/9OdjfWtxf+wVoj+y468kJ8HDZihkEe Gjn65QhYtn33Lsa38bUiiqpd3R1LSy6EcaIHC7/AeFognmrBZTVDDvHeXTud7zAJ8bdn icdf6AXyh3Pb3Mp917RcuRyoOaGk0kETIcT4yaf6Oi2R5YVMtjDoGmWr9opes9m/ythw eK3ZFyhsoZpacLSnvEiMesXE7/2Pazi9XWVJALNHtNHRAiS2ZmBFrAppz3Fmchgaw8Om 7qou/7lai/OtoyxcAuurbxWfFO4uaKhz3zp3IwvR2F6Cr6vymYKrPby9lwxARqnjuCzo tg== Received: from aserp3030.oracle.com (aserp3030.oracle.com [141.146.126.71]) by aserp2120.oracle.com with ESMTP id 360kcyq5fw-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 12 Jan 2021 16:13:59 +0000 Received: from pps.filterd (aserp3030.oracle.com [127.0.0.1]) by aserp3030.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 10CGA3if094766; Tue, 12 Jan 2021 16:13:58 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by aserp3030.oracle.com with ESMTP id 360key12rg-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 12 Jan 2021 16:13:58 +0000 Received: from abhmp0012.oracle.com (abhmp0012.oracle.com [141.146.116.18]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id 10CGDuvN030282; Tue, 12 Jan 2021 16:13:56 GMT Received: from revolver.jebus.ca (/23.233.25.87) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Tue, 12 Jan 2021 08:13:55 -0800 From: "Liam R. Howlett" To: maple-tree@lists.infradead.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org Cc: Andrew Morton , Song Liu , Davidlohr Bueso , "Paul E . McKenney" , Matthew Wilcox , Jerome Glisse , David Rientjes , Axel Rasmussen , Suren Baghdasaryan , Vlastimil Babka , Rik van Riel , Peter Zijlstra Subject: [PATCH v2 39/70] drivers/tee/optee: Use maple tree iterators for __check_mem_type() Date: Tue, 12 Jan 2021 11:12:09 -0500 Message-Id: <20210112161240.2024684-40-Liam.Howlett@Oracle.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20210112161240.2024684-1-Liam.Howlett@Oracle.com> References: <20210112161240.2024684-1-Liam.Howlett@Oracle.com> MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9862 signatures=668683 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 phishscore=0 bulkscore=0 malwarescore=0 suspectscore=0 adultscore=0 spamscore=0 mlxlogscore=999 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2101120092 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9862 signatures=668683 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 spamscore=0 phishscore=0 impostorscore=0 bulkscore=0 adultscore=0 suspectscore=0 malwarescore=0 lowpriorityscore=0 clxscore=1015 mlxlogscore=999 mlxscore=0 priorityscore=1501 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2101120093 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: Signed-off-by: Liam R. Howlett --- drivers/tee/optee/call.c | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) diff --git a/drivers/tee/optee/call.c b/drivers/tee/optee/call.c index c981757ba0d40..94acf379eaeeb 100644 --- a/drivers/tee/optee/call.c +++ b/drivers/tee/optee/call.c @@ -545,12 +545,17 @@ static bool is_normal_memory(pgprot_t p) static int __check_mem_type(struct vm_area_struct *vma, unsigned long end) { - while (vma && is_normal_memory(vma->vm_page_prot)) { - if (vma->vm_end >= end) - return 0; - vma = vma->vm_next; + MA_STATE(mas, &vma->vm_mm->mm_mt, vma->vm_start, vma->vm_start); + + + mas_for_each(&mas, vma, end) { + if (!is_normal_memory(vma->vm_page_prot)) + break; } + if (!vma) + return 0; + return -EINVAL; }