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 Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 8CA81C433F5 for ; Thu, 26 May 2022 15:29:18 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.337635.562288 (Exim 4.92) (envelope-from ) id 1nuFPo-0005Ml-7D; Thu, 26 May 2022 15:28:44 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 337635.562288; Thu, 26 May 2022 15:28:44 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1nuFPo-0005Me-46; Thu, 26 May 2022 15:28:44 +0000 Received: by outflank-mailman (input) for mailman id 337635; Thu, 26 May 2022 15:28:42 +0000 Received: from se1-gles-flk1-in.inumbo.com ([94.247.172.50] helo=se1-gles-flk1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1nuFPl-0005MY-UC for xen-devel@lists.xenproject.org; Thu, 26 May 2022 15:28:42 +0000 Received: from EUR05-AM6-obe.outbound.protection.outlook.com (mail-am6eur05on2062f.outbound.protection.outlook.com [2a01:111:f400:7e1b::62f]) by se1-gles-flk1.inumbo.com (Halon) with ESMTPS id 84801eff-dd08-11ec-837f-e5687231ffcc; Thu, 26 May 2022 17:28:39 +0200 (CEST) Received: from AM6P195CA0016.EURP195.PROD.OUTLOOK.COM (2603:10a6:209:81::29) by VI1PR08MB3216.eurprd08.prod.outlook.com (2603:10a6:803:3d::17) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5273.16; Thu, 26 May 2022 15:28:36 +0000 Received: from AM5EUR03FT017.eop-EUR03.prod.protection.outlook.com (2603:10a6:209:81:cafe::7e) by AM6P195CA0016.outlook.office365.com (2603:10a6:209:81::29) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5293.13 via Frontend Transport; Thu, 26 May 2022 15:28:36 +0000 Received: from 64aa7808-outbound-1.mta.getcheckrecipient.com (63.35.35.123) by AM5EUR03FT017.mail.protection.outlook.com (10.152.16.89) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5293.13 via Frontend Transport; Thu, 26 May 2022 15:28:35 +0000 Received: ("Tessian outbound 361d68419a2f:v119"); Thu, 26 May 2022 15:28:35 +0000 Received: from 32ee17437866.2 by 64aa7808-outbound-1.mta.getcheckrecipient.com id 5F782911-7C36-4FF0-A278-13940F2BAD92.1; Thu, 26 May 2022 15:28:29 +0000 Received: from EUR01-VE1-obe.outbound.protection.outlook.com by 64aa7808-outbound-1.mta.getcheckrecipient.com with ESMTPS id 32ee17437866.2 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384); Thu, 26 May 2022 15:28:29 +0000 Received: from AM0PR08MB3809.eurprd08.prod.outlook.com (2603:10a6:208:103::16) by AM0PR08MB5204.eurprd08.prod.outlook.com (2603:10a6:208:161::22) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5293.13; Thu, 26 May 2022 15:28:27 +0000 Received: from AM0PR08MB3809.eurprd08.prod.outlook.com ([fe80::1017:8b09:6681:c914]) by AM0PR08MB3809.eurprd08.prod.outlook.com ([fe80::1017:8b09:6681:c914%5]) with mapi id 15.20.5293.013; Thu, 26 May 2022 15:28:27 +0000 X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: 84801eff-dd08-11ec-837f-e5687231ffcc ARC-Seal: i=2; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=pass; b=MRsFpK0KPCBQ9DnN8JnDthpTy76XxHOGqngO7IAt6DNxRaTjBmQYCFSSiT+GKJCQ3WkGQ/amiQeV2N1YKVbs8DBQQTuIVfp+mefJViFUjC5EjDKu6Kns5XM7FC6y6N2OfmTrLbxIh2Q2X+NVCmKUWTvJVLV9S3knosLHD3zMMuSFp6t+8E8GWHY9vuxinwy0TZj0opX3a7ygNtAqBhDFvOseY/a3StNF/eXJ6Kq1hUcAfqwk+rYewlzvqn/Oxd9lXfq3sZxlFrdPKvMiqDVim+l2s7saS/n4PYJT8WvagOH+Aif2a6K13c9UIQpwReKIllfK6RuhUKHW1h+pjZXGSA== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=/dZO9F/JpceSmK/6Dk5FDFn8mBgGPLxpqcatbNoNdHs=; b=FtD9idBfiPPwkLwsYLSBsVQJo6hO5aOhmSRxfo130KaJ88pwoHccLNDxxnFji2SFW54ig7apQnrdwdrEn5XxZ8FJcSyeo6OEMIo4/oKF4yDnbt/rHk56YY5mhx/Ddrpsz6xeqh9iHQ3jff7gg/ww8Qt3s/Naysez2NeN8jfsYrwN1M9yzpzFr5LAXeB0CNROfxg/VkYOe8UvlHTaoruJ0tnMrxaaKtGnuvyZlMc+75HDkc/qn39dF6LXvs+7d66dC9O5kYBizfEakUCrNj/t7bdWDchtXYP04L+Wfrkbq66VM1PqK7nqCDsf6A1e6jGQB+jnRiCQ6VzN874e7oysoA== ARC-Authentication-Results: i=2; mx.microsoft.com 1; spf=pass (sender ip is 63.35.35.123) smtp.rcpttodomain=lists.xenproject.org smtp.mailfrom=arm.com; dmarc=pass (p=none sp=none pct=100) action=none header.from=arm.com; dkim=pass (signature was verified) header.d=armh.onmicrosoft.com; arc=pass (0 oda=1 ltdi=1 spf=[1,1,smtp.mailfrom=arm.com] dkim=[1,1,header.d=arm.com] dmarc=[1,1,header.from=arm.com]) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=armh.onmicrosoft.com; s=selector2-armh-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=/dZO9F/JpceSmK/6Dk5FDFn8mBgGPLxpqcatbNoNdHs=; b=Z7gt8dIm8DeOHiWm+a8/s+FzJICn1KFcfkgHSS42xBi7G1mmRbG4/3YK4wiO6to48AJfHCeoMZh+tf3w+iYhC6n8XPxVphQI2NWTpNyAdzVMyTPO+B8engny6TaBD2hn3UL8cJCeOIV9DVa+jMI6BYiOKuvrMR1D+YNdpYWZd0M= X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 63.35.35.123) smtp.mailfrom=arm.com; dkim=pass (signature was verified) header.d=armh.onmicrosoft.com;dmarc=pass action=none header.from=arm.com; Received-SPF: Pass (protection.outlook.com: domain of arm.com designates 63.35.35.123 as permitted sender) receiver=protection.outlook.com; client-ip=63.35.35.123; helo=64aa7808-outbound-1.mta.getcheckrecipient.com; pr=C X-CheckRecipientChecked: true X-CR-MTA-CID: d9c1373760a22933 X-CR-MTA-TID: 64aa7808 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=XXQ6IbxqVie+hmKkxzmENGh+HU43SgAUbYKKLLVFpqKyCvC1f9VNMxAOzM7t2KRS2lGHCm7PaRNnPLZEyVlElDSEqTvpp0qsFI/onDFTbKoFA6vqyOWMT/Q1IkQmHznsyZ6Pm9REVc4F5wbRo9F1i5pc+t3cKF8a+P9cl2ykaID3HUG5Asz936ya1WoD4ogJ2XKS7zXiCu1AnPSeRswOElIxXajWYwvjcjMdN1P/Efu+DKX9GFfdIW16vVt2w6n48X8TI+U51OXudSDRoCG7o1ivuxR0cA4yKybsM+dDwQaQV4QLCAqBdm9qq2crC0N69vVsRi9XDMi18HIj7R0u+w== 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-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=/dZO9F/JpceSmK/6Dk5FDFn8mBgGPLxpqcatbNoNdHs=; b=FnVi8NfiAx8v+s2BPSuUzjEaJS1+L39DzozmjDo0OEq8DRAD+7o+9zfrqskTAMXVpH8spoxZCTmIGpMPIZh2aeqxEz8ntVd4IvXWL8oT2gWxXuLXpJtzkAv6O+YDk9ab70ePp7AXD3p8py5fbAzlc7EUN7B52epksFO/JTzPq56LLq2uGeyTqRut3MlW2LKBs+am7SK3FgoxOXlZAzWotYQ7nRMYPtCVI1KGJRMo/NarTlwdmyGhTkd4RhARHPizdylqElepGiptu+jz+/y/0siWFyOPVFRqkPjPR7EgR7pd/Q+/SvrzNWz7TI90hSLYFnF89oYXRa8NIemhWK6Daw== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=arm.com; dmarc=pass action=none header.from=arm.com; dkim=pass header.d=arm.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=armh.onmicrosoft.com; s=selector2-armh-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=/dZO9F/JpceSmK/6Dk5FDFn8mBgGPLxpqcatbNoNdHs=; b=Z7gt8dIm8DeOHiWm+a8/s+FzJICn1KFcfkgHSS42xBi7G1mmRbG4/3YK4wiO6to48AJfHCeoMZh+tf3w+iYhC6n8XPxVphQI2NWTpNyAdzVMyTPO+B8engny6TaBD2hn3UL8cJCeOIV9DVa+jMI6BYiOKuvrMR1D+YNdpYWZd0M= From: Luca Fancellu To: Julien Grall CC: Xen-devel , Julien Grall , Stefano Stabellini , Bertrand Marquis , Volodymyr Babchuk Subject: Re: [PATCH 03/16] xen/arm: mm: Avoid flushing the TLBs when mapping are inserted Thread-Topic: [PATCH 03/16] xen/arm: mm: Avoid flushing the TLBs when mapping are inserted Thread-Index: AQHYbEKl21ixnwqV4kWdLSxbd0iWW60xUfcA Date: Thu, 26 May 2022 15:28:27 +0000 Message-ID: References: <20220520120937.28925-1-julien@xen.org> <20220520120937.28925-4-julien@xen.org> In-Reply-To: <20220520120937.28925-4-julien@xen.org> Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: Apple Mail (2.3696.80.82.1.1) Authentication-Results-Original: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=arm.com; X-MS-Office365-Filtering-Correlation-Id: 2b919042-3b78-41a4-ad8b-08da3f2c66ad x-ms-traffictypediagnostic: AM0PR08MB5204:EE_|AM5EUR03FT017:EE_|VI1PR08MB3216:EE_ X-Microsoft-Antispam-PRVS: x-checkrecipientrouted: true nodisclaimer: true X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam-Untrusted: BCL:0; X-Microsoft-Antispam-Message-Info-Original: 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 X-Forefront-Antispam-Report-Untrusted: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:AM0PR08MB3809.eurprd08.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230001)(4636009)(366004)(508600001)(186003)(6486002)(2906002)(33656002)(4744005)(26005)(6512007)(36756003)(66476007)(66446008)(66946007)(66556008)(76116006)(91956017)(4326008)(83380400001)(64756008)(54906003)(6916009)(38100700002)(38070700005)(86362001)(5660300002)(8676002)(2616005)(71200400001)(316002)(122000001)(53546011)(8936002)(6506007)(45980500001);DIR:OUT;SFP:1101; Content-Type: text/plain; charset="utf-8" Content-ID: Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM0PR08MB5204 Original-Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=arm.com; X-EOPAttributedMessage: 0 X-MS-Exchange-Transport-CrossTenantHeadersStripped: AM5EUR03FT017.eop-EUR03.prod.protection.outlook.com X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id-Prvs: 0660c5af-4b12-4247-239a-08da3f2c6183 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:63.35.35.123;CTRY:IE;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:64aa7808-outbound-1.mta.getcheckrecipient.com;PTR:ec2-63-35-35-123.eu-west-1.compute.amazonaws.com;CAT:NONE;SFS:(13230001)(4636009)(46966006)(36840700001)(40470700004)(508600001)(83380400001)(356005)(33656002)(53546011)(2906002)(6486002)(107886003)(36860700001)(40460700003)(2616005)(54906003)(8936002)(316002)(4326008)(82310400005)(70586007)(70206006)(8676002)(6512007)(26005)(6862004)(86362001)(36756003)(47076005)(336012)(6506007)(186003)(5660300002)(81166007);DIR:OUT;SFP:1101; X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 26 May 2022 15:28:35.9490 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 2b919042-3b78-41a4-ad8b-08da3f2c66ad X-MS-Exchange-CrossTenant-Id: f34e5979-57d9-4aaa-ad4d-b122a662184d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=f34e5979-57d9-4aaa-ad4d-b122a662184d;Ip=[63.35.35.123];Helo=[64aa7808-outbound-1.mta.getcheckrecipient.com] X-MS-Exchange-CrossTenant-AuthSource: AM5EUR03FT017.eop-EUR03.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1PR08MB3216 DQoNCj4gT24gMjAgTWF5IDIwMjIsIGF0IDEzOjA5LCBKdWxpZW4gR3JhbGwgPGp1bGllbkB4ZW4u b3JnPiB3cm90ZToNCj4gDQo+IEZyb206IEp1bGllbiBHcmFsbCA8amdyYWxsQGFtYXpvbi5jb20+ DQo+IA0KPiBDdXJyZW50bHksIHRoZSBmdW5jdGlvbiB4ZW5fcHRfdXBkYXRlKCkgd2lsbCBmbHVz aCB0aGUgVExCcyBldmVuIHdoZW4NCj4gdGhlIG1hcHBpbmdzIGFyZSBpbnNlcnRlZC4gVGhpcyBp cyBhIGJpdCB3YXN0ZWZ1bCBiZWNhdXNlIHdlIGRvbid0DQo+IGFsbG93IG1hcHBpbmcgcmVwbGFj ZW1lbnQuIEV2ZW4gaWYgd2Ugd2VyZSwgdGhlIGZsdXNoIHdvdWxkIG5lZWQgdG8NCj4gaGFwcGVu IGVhcmxpZXIgYmVjYXVzZSBtYXBwaW5nIHJlcGxhY2VtZW50IHNob3VsZCB1c2UgQnJlYWstQmVm b3JlLU1ha2UNCj4gd2hlbiB1cGRhdGluZyB0aGUgZW50cnkuDQo+IA0KPiBBIHNpbmdsZSBjYWxs IHRvIHhlbl9wdF91cGRhdGUoKSBjYW4gcGVyZm9ybSBhIHNpbmdsZSBhY3Rpb24uIElPVywgaXQN Cj4gaXMgbm90IHBvc3NpYmxlIHRvLCBmb3IgaW5zdGFuY2UsIG1peCBpbnNlcnRpbmcgYW5kIHJl bW92aW5nIG1hcHBpbmdzLg0KPiBUaGVyZWZvcmUsIHdlIGNhbiB1c2UgYGZsYWdzYCB0byBkZXRl cm1pbmUgd2hhdCBhY3Rpb24gaXMgcGVyZm9ybWVkLg0KPiANCj4gVGhpcyBjaGFuZ2Ugd2lsbCBi ZSBwYXJ0aWN1bGFybHkgaGVscCB0byBsaW1pdCB0aGUgaW1wYWN0IG9mIHN3aXRjaGluZw0KPiBi b290IHRpbWUgbWFwcGluZyB0byB1c2UgeGVuX3B0X3VwZGF0ZSgpLg0KPiANCj4gU2lnbmVkLW9m Zi1ieTogSnVsaWVuIEdyYWxsIDxqZ3JhbGxAYW1hem9uLmNvbT4NCg0KSGkgSnVsaWVuLA0KDQpJ dCBsb29rcyBvayB0byBtZS4gSeKAmXZlIGFsc28gdGVzdGVkIGl0IHN0YXJ0aW5nLCBjb25zb2xl LWluZywgZGVzdHJveWluZyBmZXcgZ3Vlc3RzDQphbmQgSeKAmXZlIGdvdCBubyBwcm9ibGVtDQoN ClJldmlld2VkLWJ5OiBMdWNhIEZhbmNlbGx1IDxsdWNhLmZhbmNlbGx1QGFybS5jb20+DQpUZXN0 ZWQtYnk6IEx1Y2EgRmFuY2VsbHUgPGx1Y2EuZmFuY2VsbHVAYXJtLmNvbT4NCg0K