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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 03DE2C55196 for ; Mon, 3 Aug 2026 18:39:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:MIME-Version: Content-Transfer-Encoding:Content-Type:In-Reply-To:From:References:To:Subject :Cc:Date:Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=DS219i8vZ2gEEaKoWVF+TZdPx34WAJSccLR7gpUpijU=; b=0ELeMUervpONZ7GlmAUQi29eMb BSbPqMir4sOuBAuhajqhwY+WJo2x6B2VWyiktSbfYpfHhAFKG8yAWrur/8s/zO9TTr7FNIRyAWVwu h9+EVLaM7hfJYnhp3NRjkCys26cQoI1YBzM+Qitf4t9h9tPg63NTb6VacWyu/imm0FzH0O12MqtXm qRs4RLB5mPuU2zCallxuJjIxxUeAHrmEFW8Li+qMbxKi7YV4qfWnAVlAJmNXXUQQPE8dprf61smjy d6O6tZrVlaouu4SZ8Ah1pkbDEnU3D+DTstrxa5RI9DXdWw9Sw+3EpkOLcnxpbMfMmIYuEpfIzC3fc QqQPSKZg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wqxZ6-00000000Nix-31nH; Mon, 03 Aug 2026 18:39:08 +0000 Received: from mail-northeuropeazlp170120005.outbound.protection.outlook.com ([2a01:111:f403:c200::5] helo=DUZPR83CU001.outbound.protection.outlook.com) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wqxZ3-00000000NiB-2aqp for linux-arm-kernel@lists.infradead.org; Mon, 03 Aug 2026 18:39:08 +0000 ARC-Seal: i=2; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=pass; b=prBMJgTmrOa6UMUzKY1LtOixnvZrq+o7+hsi+DwlVsyYzMCH3xEqMQajukaVx/nQTHj2X0UMrANtLOpm3YJ4QdzsdR+Kli96zTqbMOECmI0WX5IgUpabjfPMCbaRvfDSnYXqxS+mWPbpplQorpT8lJHWWIzWSQ3R4yRac6xdRNykpMCSkh4ZBYv6QgpwCTCmoas9iB3wXkTtyzfOXPIcMIb8t0JRQFH8b5VpjG3JouMMEvcX+gOLqep2GbqA9CuIixBh4F2V57jf+9g0lfHAXVnwR8AHbOtYvs5AdHyor6qlWBvGDG+ItHSIaCXDaPUouD2CEyBSGS8yWz/b9zxkDQ== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; 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=DS219i8vZ2gEEaKoWVF+TZdPx34WAJSccLR7gpUpijU=; b=fabJLG/WxvLonH0fU6LHbFg1BXiDdDBLXsjTYPZJ4FyBXIskmMePl/vGpZ8+vg7/MTL8WFqvO8ben1yCX3M/o6RlGGmUfQk1HgbZAC9jmVnYtgTVT33+4yn6+Os+bKq8pWoxqEq3PJDRurRnjmPIClb2gHX+qb1r4/htzQo/4M0id/ZpkvRLc9qYntsmeEn8oetVqfXGf6xzMFyG9QzvSxqb2M6oQH6mHP0M5Zz+bO8sLTghsFQBG+vZoARRAs8JXOYhePCI7ePVgAUotqcxk3xjQaFQxal5iT1MRnezaoOc+2tw7dUedsphCzSLq1FcbBJejhc7VDN0NTjrG1QnEg== ARC-Authentication-Results: i=2; mx.microsoft.com 1; spf=pass (sender ip is 4.158.2.129) smtp.rcpttodomain=suse.de 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=arm.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=arm.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=DS219i8vZ2gEEaKoWVF+TZdPx34WAJSccLR7gpUpijU=; b=HM0sdJhYecJCfUy9+jB6u8DCftwSpKWJa3geObD7WsrZTFMdp+zNZo0J1X5oOCTtVzriqJH54w2bzHbqExo5l1PV3OZFGzXlCX1bG2PQRBQAxiedLMEt4XiHt3woAKUQue5emBbSXMjSkxgFau7dBme6PwwQPMgZ33obYZ0fdwA= Received: from AS4P189CA0005.EURP189.PROD.OUTLOOK.COM (2603:10a6:20b:5d7::20) by DB4PR08MB9357.eurprd08.prod.outlook.com (2603:10a6:10:3f3::9) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.21.270.17; Mon, 3 Aug 2026 18:38:56 +0000 Received: from DB5PEPF00014B88.eurprd02.prod.outlook.com (2603:10a6:20b:5d7:cafe::63) by AS4P189CA0005.outlook.office365.com (2603:10a6:20b:5d7::20) with Microsoft SMTP Server (version=TLS1_3, cipher=TLS_AES_256_GCM_SHA384) id 15.21.270.18 via Frontend Transport; Mon, 3 Aug 2026 18:38:56 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 4.158.2.129) smtp.mailfrom=arm.com; dkim=pass (signature was verified) header.d=arm.com;dmarc=pass action=none header.from=arm.com; Received-SPF: Pass (protection.outlook.com: domain of arm.com designates 4.158.2.129 as permitted sender) receiver=protection.outlook.com; client-ip=4.158.2.129; helo=outbound-uk1.az.dlp.m.darktrace.com; pr=C Received: from outbound-uk1.az.dlp.m.darktrace.com (4.158.2.129) by DB5PEPF00014B88.mail.protection.outlook.com (10.167.8.196) with Microsoft SMTP Server (version=TLS1_3, cipher=TLS_AES_256_GCM_SHA384) id 15.21.292.8 via Frontend Transport; Mon, 3 Aug 2026 18:38:55 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=NXI+RTGyQJWVbRbmJN+BN+kDc6e6v7PaPnMQMeTKeWsLEQp3JmFNZ/S41cQ1oDNrMiOj9VxWf0FWK9HLfRGP31C5uSvUz3YV0i8Z8en50KqdU897LLL/kDTWGwFHXf0RIbeO21DM9rovD30G8vb+McCGKZE2R4i1oPaidWNiLlLaITIcErrxrvOS3giS9O3/EWYlX8ILEEiPRGr9ukuXJ+CUyeMAQGhWE5b76fqLsTLv3tbjG8ukttfWuh5CujyS8egs6BpKmQjxwkS9G+dvKl2DMWukDhO11qsoP+GBZ82ud8zzBRKZASh75JU+tApQsnAMhg52e+2grJ0Q38Xqow== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; 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=DS219i8vZ2gEEaKoWVF+TZdPx34WAJSccLR7gpUpijU=; b=UyyJ8A+vFVL1KhMr4tC7SFnWoUtLHp03c86r7AQ95GtKWHNAJy+C8hup3+DohmKhJVEOW2MLIZW9nV9PHabW1SThKOtd2UhF9Tkwxa2soCnWBBYjZSvwRAElmdPgFjvVKYD2d6Xa7k3J+gVhIoRsPMDxl9vnTkia27hXBLT5qneGlYFrhnnMoBQYfJsmm1++m3XdgM8AutOHGVT9VvVyBZtSBflK/96YUhwSSwjVSnuqvlUNrYq+S8IsunNx3jclJIBYzYcNSOrnFx47sYtU91iIvtE5qk5OO6nfd59XSvcBJqJuy+nq/nyscPSGsICnBq2dkNQbjjzi2vTjh4JnUQ== 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=arm.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=DS219i8vZ2gEEaKoWVF+TZdPx34WAJSccLR7gpUpijU=; b=HM0sdJhYecJCfUy9+jB6u8DCftwSpKWJa3geObD7WsrZTFMdp+zNZo0J1X5oOCTtVzriqJH54w2bzHbqExo5l1PV3OZFGzXlCX1bG2PQRBQAxiedLMEt4XiHt3woAKUQue5emBbSXMjSkxgFau7dBme6PwwQPMgZ33obYZ0fdwA= Authentication-Results-Original: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=arm.com; Received: from VI1PR08MB3421.eurprd08.prod.outlook.com (2603:10a6:803:80::16) by AM9PR08MB5938.eurprd08.prod.outlook.com (2603:10a6:20b:2da::8) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.21.270.17; Mon, 3 Aug 2026 18:38:22 +0000 Received: from VI1PR08MB3421.eurprd08.prod.outlook.com ([fe80::e079:6bd:fbe0:89b4]) by VI1PR08MB3421.eurprd08.prod.outlook.com ([fe80::e079:6bd:fbe0:89b4%3]) with mapi id 15.21.0270.012; Mon, 3 Aug 2026 18:38:21 +0000 Message-ID: <70c5d9de-0f04-4ddb-af53-16599c8c0988@arm.com> Date: Mon, 3 Aug 2026 19:38:19 +0100 User-Agent: Mozilla Thunderbird Cc: usama.anjum@arm.com, Catalin Marinas , Will Deacon , "James E.J. Bottomley" , Helge Deller , Madhavan Srinivasan , Michael Ellerman , Lorenzo Stoakes , "Liam R. Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , "Matthew Wilcox (Oracle)" , Jan Kara , Zi Yan , Baolin Wang , Nico Pache , Ryan Roberts , Dev Jain , Barry Song , Lance Yang , Usama Arif , Kevin Brodsky , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-mm@kvack.org, linux-fsdevel@vger.kernel.org Subject: Re: [PATCH v2 0/6] mm: add basic PTE const type-safety To: Pedro Falcato , David Hildenbrand , Andrew Morton References: <20260803164400.531199-1-pfalcato@suse.de> From: Muhammad Usama Anjum Content-Language: en-US In-Reply-To: <20260803164400.531199-1-pfalcato@suse.de> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-ClientProxiedBy: LO4P123CA0445.GBRP123.PROD.OUTLOOK.COM (2603:10a6:600:1a9::18) To VI1PR08MB3421.eurprd08.prod.outlook.com (2603:10a6:803:80::16) MIME-Version: 1.0 X-MS-TrafficTypeDiagnostic: VI1PR08MB3421:EE_|AM9PR08MB5938:EE_|DB5PEPF00014B88:EE_|DB4PR08MB9357:EE_ X-MS-Office365-Filtering-Correlation-Id: a9cd9005-6e52-420f-e8c0-08def18e7987 x-checkrecipientrouted: true NoDisclaimer: true X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam-Untrusted: BCL:0;ARA:13230040|7416014|376014|23010399003|1800799024|366016|6133799003|18002099003|22082099003|11063799006|56012099006|10067099003; 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:VI1PR08MB3421.eurprd08.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(7416014)(376014)(23010399003)(1800799024)(366016)(6133799003)(18002099003)(22082099003)(11063799006)(56012099006)(10067099003);DIR:OUT;SFP:1101; X-Exchange-RoutingPolicyChecked: sDj3CWXosvv8WNcb74My1jl9jX25o12bEcuWn09C6btseYFINc07nf67c1SWPuuM5ZUdk83BTi1AtQVPNIeBRJpX88+xnod/JqnQRUN8VptUGwt7fzlwYKMqY0r8bVY+7YM8qHZBOH+J2kFtyHxXSc0HWmH+Nfeu7tLcGE+/FnebQWKv38l0rROY/1i3cy8z5OslUs4L7jkaWRNLUXclnhQ69AwMzIZdqksoIyxCGXsU4qnf99yEilYrGtN0fiyhLFg4sHUUN2/PPgtc4VoEdANFC+YXR680J0iVe7hZCIsBl6HgXnz6BLSq+2F8Cz0ET/CSSyqeNZ2fISb0cCjCEw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM9PR08MB5938 X-EOPAttributedMessage: 0 X-MS-Exchange-Transport-CrossTenantHeadersStripped: DB5PEPF00014B88.eurprd02.prod.outlook.com X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id-Prvs: 0d4e808b-00d0-4431-4015-08def18e64dc X-Microsoft-Antispam: BCL:0;ARA:13230040|23010399003|35042699022|376014|7416014|14060799003|36860700016|82310400026|1800799024|6133799003|56012099006|10067099003|11063799006|22082099003|18002099003; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:4.158.2.129;CTRY:GB;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:outbound-uk1.az.dlp.m.darktrace.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230040)(23010399003)(35042699022)(376014)(7416014)(14060799003)(36860700016)(82310400026)(1800799024)(6133799003)(56012099006)(10067099003)(11063799006)(22082099003)(18002099003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: OrutTkQ7F1TUY6sIpdJLIv9bJcG6L6DJd/qpcnhRZJKoL+2bd8oP37dOhIuSiPzni3612a8Drr9uEH+NNrYjozxIa1VIC1DZBSjyufH11sXERYTd4wxLd4LTFzzkGkjfk8BKQaOwxeE+k+BG8IoU8CEp4AkSXQX15Lr10zp7cviVo08pqzbz91sZhrTPpEOmlKXyrbT7gRwEsTu/jakIEX5/LKXUNiSq2wYunPIf+t97d1exyJBmiJJal+p19IOroktD5/dEgMbx/YXcR30+R9mCcKQDz/WKanUEE3cPEldN1FAYXU4gSFCdXMrDNgNmNikZuaVzd8+pWQzJNLxRHPO+rMA3Mku8SLj/FLmdLdevzEyVh9/8msfFrKfRNOKKvvZelvbICFNy/slAyGqAai5W6TXlNgZi/cWLA/GPg527oBfnzycxxjVl8TEQ1n/l X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 03 Aug 2026 18:38:55.8772 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: a9cd9005-6e52-420f-e8c0-08def18e7987 X-MS-Exchange-CrossTenant-Id: f34e5979-57d9-4aaa-ad4d-b122a662184d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=f34e5979-57d9-4aaa-ad4d-b122a662184d;Ip=[4.158.2.129];Helo=[outbound-uk1.az.dlp.m.darktrace.com] X-MS-Exchange-CrossTenant-AuthSource: DB5PEPF00014B88.eurprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB4PR08MB9357 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260803_113905_805914_5B34E003 X-CRM114-Status: GOOD ( 16.66 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 03/08/2026 5:43 pm, Pedro Falcato wrote: > Since forever, MM code has thrown pte_t * around with no concern for const > safety, or typesafety of any kind. This is confusing. Attempt to address it > by: > 1) Making sure pte_get*() helpers can cope with const pte_t * arguments > 2) Constifying the pte_offset_map_ro_nolock() return type, which by definition > already pledges that users will not write to it. > > These two simple steps were already able to uncover code smell from > khugepaged + do_swap_page(). > > Separate steps could include introducing pte_offset_map_ro_lock() for more > widespread usage of this. > > Benefits of this include less confusion and better type-safety. It could also > futurely aid in efforts such as [0] which may want semantic annotation of these > accesses. > > Based on mm-unstable and compile-tested on a handful of architectures. > > No functional changes intended. I've reviewed the entire series. Hence: Reviewed-by: Muhammad Usama Anjum > > [CC list editorially trimmed for brevity reasons; apologies if you're not on it] > > Link: https://lore.kernel.org/linux-mm/20260526-kpkeys-v8-0-eaaacdacc67c@arm.com/#t [0] > Cc: Catalin Marinas > Cc: Will Deacon > Cc: "James E.J. Bottomley" > Cc: Helge Deller > Cc: Madhavan Srinivasan > Cc: Michael Ellerman > Cc: Lorenzo Stoakes > Cc: "Liam R. Howlett" > Cc: Vlastimil Babka > Cc: Mike Rapoport > Cc: Suren Baghdasaryan > Cc: Michal Hocko > Cc: "Matthew Wilcox (Oracle)" > Cc: Jan Kara > Cc: Zi Yan > Cc: Baolin Wang > Cc: Nico Pache > Cc: Ryan Roberts > Cc: Dev Jain > Cc: Barry Song > Cc: Lance Yang > Cc: Usama Arif > Cc: Kevin Brodsky > Cc: Muhammad Usama Anjum > Cc: linux-arm-kernel@lists.infradead.org > Cc: linux-kernel@vger.kernel.org > Cc: linux-parisc@vger.kernel.org > Cc: linuxppc-dev@lists.ozlabs.org > Cc: linux-mm@kvack.org > Cc: linux-fsdevel@vger.kernel.org > > v2: > - Small fixups on the arm64 side > - Re-order patches in a way such that bisection is preserved > - Pick up Helge's patch dropping parisc ptep_get() > - Constify s390's ptep_get() as well > > Helge Deller (1): > parisc: Drop own implementations for ptep_get() and > ptep_test_and_clear_young() > > Pedro Falcato (5): > mm/arm64: constify pte_get*() and contpte get logic > mm/powerpc/8xx: constify ptep_get() argument > mm/s390: constify ptep_get() argument > mm: constify generic pte_get*() > mm: constify the pte_offset_map_ro_nolock() return value > > arch/arm64/include/asm/pgtable.h | 10 +++++----- > arch/arm64/mm/contpte.c | 11 ++++++++--- > arch/parisc/include/asm/pgtable.h | 20 -------------------- > arch/powerpc/include/asm/nohash/32/pte-8xx.h | 2 +- > arch/powerpc/mm/pgtable.c | 2 +- > arch/s390/include/asm/pgtable.h | 2 +- > include/linux/mm.h | 4 ++-- > include/linux/pgtable.h | 8 ++++---- > mm/filemap.c | 2 +- > mm/khugepaged.c | 2 +- > mm/pgtable-generic.c | 4 ++-- > 11 files changed, 26 insertions(+), 41 deletions(-) > -- Thanks, Usama