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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id D8256C52D7C for ; Fri, 9 Aug 2024 19:34:20 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 629A56B0095; Fri, 9 Aug 2024 15:34:20 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 5B2566B0098; Fri, 9 Aug 2024 15:34:20 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 3DE426B009A; Fri, 9 Aug 2024 15:34:20 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0011.hostedemail.com [216.40.44.11]) by kanga.kvack.org (Postfix) with ESMTP id 1B4016B0095 for ; Fri, 9 Aug 2024 15:34:20 -0400 (EDT) Received: from smtpin12.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay06.hostedemail.com (Postfix) with ESMTP id B7D67A7DB5 for ; Fri, 9 Aug 2024 19:34:19 +0000 (UTC) X-FDA: 82433708238.12.7EFDB7C Received: from mx0b-00069f02.pphosted.com (mx0b-00069f02.pphosted.com [205.220.177.32]) by imf07.hostedemail.com (Postfix) with ESMTP id 5C29F40016 for ; Fri, 9 Aug 2024 19:34:16 +0000 (UTC) Authentication-Results: imf07.hostedemail.com; dkim=pass header.d=oracle.com header.s=corp-2023-11-20 header.b=HcqTscyu; dkim=pass header.d=oracle.onmicrosoft.com header.s=selector2-oracle-onmicrosoft-com header.b=dDhHCp0I; arc=pass ("microsoft.com:s=arcselector10001:i=1"); spf=pass (imf07.hostedemail.com: domain of liam.howlett@oracle.com designates 205.220.177.32 as permitted sender) smtp.mailfrom=liam.howlett@oracle.com; dmarc=pass (policy=reject) header.from=oracle.com ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1723231990; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=hF8hyNQWTNS5CwSIiOVmfJluaG139Xy8etLFSo8Si5c=; b=J+Hc0eTw+NJ/1BjF2a7jRkt0WMQ8ZKH5VvKv0k0QvPVhKQaYX+XcKKhNu3ZH0cg7uBT3D9 TqByRS/t8en5zJKqUwy/CVzx64xfuVzJlQXO3qLuoRpNVpBKbC15HGpKYLjrFHpVBZVT8a sOOx2TreKFnvW8NOhd6lEiX4AxgGVns= ARC-Seal: i=2; s=arc-20220608; d=hostedemail.com; t=1723231990; a=rsa-sha256; cv=pass; b=GT8krdKa+RNzYi5hSZvGM2FhKjYLlCH3csZ4FItnJJrNA1xP8Juy2Bz7SLGCj2d6GzHzh4 jm+RlN84LPA7obPUlpjftznEgEj1vu/mnPk1eZQaeobCc/Nc/e+NDrV4tEBXyqEPvHysUT ayDalGHtbZXfp1Km6gKPOegX8SHl/vM= ARC-Authentication-Results: i=2; imf07.hostedemail.com; dkim=pass header.d=oracle.com header.s=corp-2023-11-20 header.b=HcqTscyu; dkim=pass header.d=oracle.onmicrosoft.com header.s=selector2-oracle-onmicrosoft-com header.b=dDhHCp0I; arc=pass ("microsoft.com:s=arcselector10001:i=1"); spf=pass (imf07.hostedemail.com: domain of liam.howlett@oracle.com designates 205.220.177.32 as permitted sender) smtp.mailfrom=liam.howlett@oracle.com; dmarc=pass (policy=reject) header.from=oracle.com Received: from pps.filterd (m0246630.ppops.net [127.0.0.1]) by mx0b-00069f02.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 479HtWUv029543; Fri, 9 Aug 2024 19:34:08 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h= date:from:to:cc:subject:message-id:references:content-type :content-transfer-encoding:in-reply-to:mime-version; s= corp-2023-11-20; bh=hF8hyNQWTNS5CwSIiOVmfJluaG139Xy8etLFSo8Si5c=; b= HcqTscyu9HXDwj39rr8Vqa3hPBZ73Ke/ZCSmestMRoJqxN/vPFKaudxvmQn6WBeb O0OrkEctb2llL+NamZ9u7D6CRJ01Ob33YyFv8rI5xOhTTRQe/dgQ1FZC2csaWsA2 h2dSp/WmkhaWQq2BJGG0qH4Cx6ZpNY6yCgK7AI5J78AjU4yBH8Lu/ySCVvp1f3Wk lyrkXiwPWnryKT+HwEBYFHjwhxHENhokPXfMWwD0R+NYdGFWZshOodR11DVUaox1 eyMD8PG+YVovIIsGh0Vhgzbq2LQgvTHEfU7dgjV2ob9MU1uqUuOu6v1AiUaD5WrL EtZfeQi7l7t2lNTlY5axDg== Received: from iadpaimrmta01.imrmtpd1.prodappiadaev1.oraclevcn.com (iadpaimrmta01.appoci.oracle.com [130.35.100.223]) by mx0b-00069f02.pphosted.com (PPS) with ESMTPS id 40sayech1b-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 09 Aug 2024 19:34:08 +0000 (GMT) Received: from pps.filterd (iadpaimrmta01.imrmtpd1.prodappiadaev1.oraclevcn.com [127.0.0.1]) by iadpaimrmta01.imrmtpd1.prodappiadaev1.oraclevcn.com (8.17.1.19/8.17.1.19) with ESMTP id 479I4CZl021837; Fri, 9 Aug 2024 19:34:07 GMT Received: from nam11-dm6-obe.outbound.protection.outlook.com (mail-dm6nam11lp2168.outbound.protection.outlook.com [104.47.57.168]) by iadpaimrmta01.imrmtpd1.prodappiadaev1.oraclevcn.com (PPS) with ESMTPS id 40sb0k98h4-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 09 Aug 2024 19:34:07 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=ZBZwob+nq8lFjRzBsC6FZcS4sZezD42C3Rx6HczfocXUm1ZBdlGMUvCIFc/uUiXBssYksdoDIETLMHkMKbLxOqDfqFAq0xTM+/3yAz+khrCQHmhCnW30H21+dsxkhmQNMy17wKBZdbsRcpu/llMvv/0j+LGnBW4TLLMSUyU4lPtIybWKMQs2dtTfTL5b62wft8/leMbrzY1UDnPg6RQejZMQ6Fw7+pA2FwhZ/BbZelLVeiKlukenOD6UqBv8iGb+5dN9RdJwKdNU8KA06ZuwYJxGKNBidDTf+mDMe2K7RDoi1CDWSFQOFsYTcemCxMNGXuORxmRXFFbc/7yKrkWHCA== 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=hF8hyNQWTNS5CwSIiOVmfJluaG139Xy8etLFSo8Si5c=; b=T4hnap3M+/snlSbUdvIewcwO4WP8qGpuR3mHyo8ysxCf+AMud+OtmfXsv6HcjnpztuMusqq/lDy4a9/hpD+CK+e52PhmIEMU0J0mS5cYSopOQwaxYlB0W+vcP7ydwwOfoF2eKVi5BVjQiBLXWQvxQjgd1kRP2XgJqFqgl9fs1ElF/qxkig58VfjGRig3AkgEufvHlTKprqgkCpeq3//k378J6z1R+k/Otg+SCTBlY7Txd6QwJgxhKgqdVZEQdEbLhnnSIMYBU6IXB9trAfJYaUDfchNGxZM44Hs9CeZEGf2y0XzpwrOQPpx9RVd66U5izFLrFlMymnoIvCorcSW+xw== 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=hF8hyNQWTNS5CwSIiOVmfJluaG139Xy8etLFSo8Si5c=; b=dDhHCp0I9Ce14E2fUqYX+STliCQCK0sfObOkzJ+VBFMjXQBz4UTJrwh3gBWOBAoNgOFa8L0qWUi9QgqijIYgQH0UnU3uB6d1JZfXtFUVB8WV+oFvUpI5uoD0u6w5h7UdOTv9NQkL3xSWBswpWDWZO+xRV+96Bj3cjjWuf7ComeY= Received: from DS0PR10MB7933.namprd10.prod.outlook.com (2603:10b6:8:1b8::15) by DS7PR10MB4832.namprd10.prod.outlook.com (2603:10b6:5:3a6::19) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7849.13; Fri, 9 Aug 2024 19:34:05 +0000 Received: from DS0PR10MB7933.namprd10.prod.outlook.com ([fe80::2561:85b0:ae8f:9490]) by DS0PR10MB7933.namprd10.prod.outlook.com ([fe80::2561:85b0:ae8f:9490%3]) with mapi id 15.20.7849.008; Fri, 9 Aug 2024 19:34:05 +0000 Date: Fri, 9 Aug 2024 15:34:02 -0400 From: "Liam R. Howlett" To: Jeff Xu Cc: Pedro Falcato , Andrew Morton , Vlastimil Babka , Lorenzo Stoakes , linux-mm@kvack.org, linux-kernel@vger.kernel.org, oliver.sang@intel.com, torvalds@linux-foundation.org, Michael Ellerman Subject: Re: [PATCH v2 0/6] mm: Optimize mseal checks Message-ID: Mail-Followup-To: "Liam R. Howlett" , Jeff Xu , Pedro Falcato , Andrew Morton , Vlastimil Babka , Lorenzo Stoakes , linux-mm@kvack.org, linux-kernel@vger.kernel.org, oliver.sang@intel.com, torvalds@linux-foundation.org, Michael Ellerman References: <20240807211309.2729719-1-pedro.falcato@gmail.com> <20240808161226.b853642c0ecf530b5cef2ecc@linux-foundation.org> Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable In-Reply-To: User-Agent: NeoMutt/20240425 X-ClientProxiedBy: YT4PR01CA0229.CANPRD01.PROD.OUTLOOK.COM (2603:10b6:b01:eb::26) To DS0PR10MB7933.namprd10.prod.outlook.com (2603:10b6:8:1b8::15) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DS0PR10MB7933:EE_|DS7PR10MB4832:EE_ X-MS-Office365-Filtering-Correlation-Id: 6f5821a8-8a0f-4e6c-703f-08dcb8aa3ae4 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|366016|376014; X-Microsoft-Antispam-Message-Info: =?utf-8?B?cEk2cnFuYW5lbE5ZQzR0K0JNNkhHTGdJNUhObldyajNqTmZWQ1J4cUZZcmRG?= =?utf-8?B?Vmc3NUwyQXZoYTZ0b1hZR1lqRnVhb3RZK2hxUFZHSEdlOXYycjJIZEViZFBs?= =?utf-8?B?bFFFTEhTemV5c2RSSGFYM2tiazR3a2p3WitKcCs0cWo3QUh3ajBnamZrTHo1?= =?utf-8?B?RDhPWFJ6WThnWnBVNW5pUDdpeW5JUVllSjA1VmVTTXFkSVpLVUVoQ0ZlL0ww?= =?utf-8?B?SGRvVWN2QlgvUmV6ZHJKUndjeDRzQlpxYUF2eEVGSXJ6MXA5cVZDUkhWZGZx?= =?utf-8?B?YURlYW1Ydkc3Rmcxa3dIeSsxZ2RDa0hFVWVHVXlzajIxcTdzazhYdTVOeEMy?= =?utf-8?B?dS8zWmdvc050VFk2SWxnbDI3SGsrOUlnNm1MUlBNY1R6MGdsTmhYd0hpNVZH?= =?utf-8?B?M01Ydmd4WXAySnl2TkV0b2xiNVkvUkluY1YrR3NnbHdxQWdpK0szeU50ekl2?= =?utf-8?B?UnZwVEJ4STNVTTJPaW1xekpnSm12STdNMkdjWkJYSDBobFR2YlhNaWVwdTZ5?= =?utf-8?B?VUl4TUExOUFmM2xPcUF6bS9hbHVmdElHVHgwSHRXc1FoZi9KeFZQMDNjUXEw?= =?utf-8?B?YjM0YkRJcUt0VFlVUHRiVWZ0a0YyVElaWkNuWmNqcVNxaGQ3NU9DVVVidkgy?= =?utf-8?B?QjZPVXcxb00xY2pJSnBONVFCeU1Qa2NSOTV4RWFObDZ5ZlpUUmNFaE1IUmxv?= =?utf-8?B?eWFxMmwxTEUrdlpRZUxyUG9wSjlQNloyT3owL0lpNjFmbEZLcFRKM0ZtUS9I?= =?utf-8?B?OWN4aDhhRFhmb2xvWnlZVm9RMXo3S2l0NVJEbWF0S0VIZUYxbzJySm1mclRO?= =?utf-8?B?TEVKUjdjR2RUckVhenNXMWpMQ0tGOWJIZnZkNG80QTBIMUJNZ3FLaUNDYUZK?= =?utf-8?B?YUpBOTJGTHZvaWtBbTl5MG5KTjhnZVU2MWRKQ1MwTUQzWFhpaDlzVS9RWHli?= =?utf-8?B?dEx2YkdrUHRTMjlFMDVVNjNNdTN2cHlLZktPYXRVTklTejlIV1ByTk9XR1Az?= =?utf-8?B?Zkd1OG9nelFjb21QNzdyeWI0MEpSOGRkL2VHUXZQYkdBMmZwZVM1TG9iano5?= =?utf-8?B?aFN1bzJFTm9oNEdqQmM3TFFrRllxNkhyTkRCUVNnY3hlM2NBbmkrSEVENXpN?= =?utf-8?B?Y05UeHlFdVY4bFNUZm4rN1VFanhOZHVITm9jRXl0VC9ZZTNKdmZHaDdLRkFz?= =?utf-8?B?bXFnZ0pXVnZnbi9SUHVTenNPVmdpb3VMdW1xdlptdDZDRFVSQ045S2o5T09u?= =?utf-8?B?S1NUU2tnVlBFSThDRlhLQnRyUzRoLzJTMkp2QjAranVMZXJleVkrek1nTkVQ?= =?utf-8?B?NU5RUFY3VE4vN3ZoeFNrL3dwMnZXNGRvbDhhcDc4bFZQYTA4MGZaanpxUjlU?= =?utf-8?B?eWNaY2FnMmlVdUhWRXdJVG03bmVFQ3NhWWkraERtbk9HVlNqdGlBTVdUK1JS?= =?utf-8?B?V1hGM2MxOWxXdGFUZVNlZEYwRTN5bUNubGV4bG1Sa2dXTTI1QVgyRmpRUFlk?= =?utf-8?B?VmVsTnNwN2laRFlNU3BrUW9VRnlQWXFwb1UxbTIyQVdVTEtId0xXWTZFeHBx?= =?utf-8?B?TXh0b2FDWk1RR250cmZVczlSeUd2dXV6Y3lEUE02ZnZubGltcGRQemhYOVlK?= =?utf-8?B?S1FMVUpPeU1CWjVSY0hzK1BiVUJXNFlJOUxlajZ1ZUJMZDlkKy8yem5LejJw?= =?utf-8?B?ZldFQ2dVejZ1RHAvZmVTSDJOdm5nSm9JWm9SNWFhVXlBdkNaS1RtTXFFeVNG?= =?utf-8?B?M1BkZS9IcFVoaUpldkRSWnNFbm8rKzFoMFRDQnFOUFV0bCtwLzdieWNUTDZM?= =?utf-8?B?eVcrQjlpWi9GSTRDN1ptQT09?= X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:DS0PR10MB7933.namprd10.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(1800799024)(366016)(376014);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?bTRwTFp3NExTclFma2FLWi84UEs1YXdYRkRwRlhJS1owZG5qTUZ5Z25zVENw?= =?utf-8?B?ZGNvYWZETzgrV0JPWDltcW4yeFpsWkxQZTdtZXZRQmFBZnlwQVRDcG5KekdD?= =?utf-8?B?dGxFbTRkYWcxWFpraEhBQnl6WC90VzEyTTJseXZYMVVzU2Q2T25LaUtyWHdr?= =?utf-8?B?Q3FmeS9pOUdMcXpxSEdsWEhtN0V3bHJybVd2S2RCYThKa0xEWVNlZ0VRbGNa?= =?utf-8?B?dHF4WXROU2ZRa3g3bUtzd1h4dng1YUVoTHIvMGpRQ1pRMGxhRVBVRHczVThI?= =?utf-8?B?dGRCQzgzaUQ3ckl2eUxyQmFxS1RGVTg2WkpHUVR6RnpLbmk0anF5U1F2SG9J?= =?utf-8?B?SnpSeXUrOHZUNk11Y0t1bzlwcTVBc2orb3JMS2p6aytkNzZDM0VpeThIRmtK?= =?utf-8?B?dU5uV2VUTW5oZi8rTFVSNy8zbkpBS2QzN1lISHB4RTFpa1VHVXRpR2xMd3Y3?= =?utf-8?B?ZU43SlhZZTFvc2lEMlVBaFp6bExjYUNRR2V0cG9xTTNGTThWMjU5Q2w2ejdv?= =?utf-8?B?SnNzZlVoM2ZYR1ZaUGJlcURyeFFPbzVoWnBXZ1Q4Y05ZM09VOXpaSEZ4MVdy?= =?utf-8?B?N0c1MWZKcDJUYitTbUU3NU1NUEpOckd6dmZUR3lRQmJ5Y2I0N21NbmZpVU8z?= =?utf-8?B?SVRTakVYK0M5VUJ1TXZadVB4ZEFZb0dTV2JNcWNFa0c2V2NpbURlaWlhNTJR?= =?utf-8?B?R0VIQkJETlRHYVVmcStDWjAxaFdxNWJmbGwwM0pnVjcvc29IcGpsWnVxR09Y?= =?utf-8?B?WVNkano0M0h4ajhGbkMvSXFOcXF0cDF2dlVOK0Q2OXFjcE1RNmxVemg2Yjlk?= =?utf-8?B?bThKZ05iRTZpSnF1R0dGV3QyVW9iN1R1UWhxcGpGM1ovY2pObnNRcmlXUXlj?= =?utf-8?B?bER0R1owekdSRVptK1dVdkhSckpLRmt5Qm40WlkwUVBBa3F5U0hRL0pObVg3?= =?utf-8?B?K2lzZURjMzUyazN0a3daQjUzYVZJeE1VSVJyVm1sSEhBa0tRVHdxSFdpNXA1?= =?utf-8?B?ditlU2pHb2s1N0lSeGZsbEZITHFtS3BrWTZXU2h2Q1g4eFhVM1RpTlBtTFR5?= =?utf-8?B?SmpSMkN3cFRyYkkzSWJvMStraXdmK3VqZ1B0amw0bFJpZ0xxK1F5MjlWcGhL?= =?utf-8?B?VDhVRm05S056WDJEYUVXZlFBVzhYS0JyN1pGS21Eb3ViUFlrcjlIZGJkNXdG?= =?utf-8?B?UDBEWlR6d1VPOXgrQTdzb2VxZnNyVGgxYXo1YkxnT08wVlZNVE1DclRjbGZr?= =?utf-8?B?alY2dDZieHlRK3FNdjJpSG94dW9RVGpZaHMzaUJQSDl0QkQyQ05MdDNUVWFD?= =?utf-8?B?d0NDakp2cXQ1bFFLTzJZSStNTEJBU1g1TFdKQTJGamR4QWRWQVJzSkRMRXlQ?= =?utf-8?B?NTZ2MVM3ZXI1M0Y4YXU3WmZ5M2EzNVJMdXpmQUY4bVBXbVpUWWdJOXZYOWdU?= =?utf-8?B?ZFZmSGtNNjQrNHJqNEdJT1I0VXRmelJTQ3hMVjlaTFFjeEFFQnI3ZXFmOGcv?= =?utf-8?B?eFJzWm55MGpCYUZUSmphV3JTMVVXZVVoQmhwa0YwdzcyM1c5eEIrZWgvc2Iy?= =?utf-8?B?VkFjQWkxdTNmZDQveTZyMU00S3NycHVSMjZ5bmZIR1M3aDRycGVtZGZxVUhm?= =?utf-8?B?eTlKVUkyNE5DV2w4U2FNUWVET3cxazdZOUJIMEF6MmptdzY2TU5yUDdjZGk4?= =?utf-8?B?SUh4dDJnSGVUZGNhMzJrQUpJYjQ4Sk1wOXJ1c1p6NTRteGM0Q3FMbk1TTnNS?= =?utf-8?B?cjB0NjBNa2JBSk03RGRIdFR0bURtZVFFeGV3UE5tbXpod2FHS01XTU4xUlZH?= =?utf-8?B?cjQxbklMYmJ4RXk3eVZrRnNiak16QWpqSXV1V2pEOU5XeHJyaFA2aE84TUV2?= =?utf-8?B?MzlsSEtjUU5pR3Z0cklBUCtzVllvbWliaS9OL1JZVlRvSE1XeE8wcVNqcyt4?= =?utf-8?B?bmlJR1dob0hoSGt4RHpjN0h0Uld6czF2eWhCK1dMUGROazZtK2oxOERINzFr?= =?utf-8?B?VzJOQUFIMnNIZGxTdFozNXAxNmdzbnFSUWdON0pRc3o2cnI4bFBhWUpYWWtm?= =?utf-8?B?LytLUFNHcVhrSXR1czIvQlkya3lpd2NNNEpkbktkK0NFdG9TT2l3NEgyMG80?= =?utf-8?Q?GoNekrl8J6lOjTGF9X7AByKnA?= X-MS-Exchange-AntiSpam-ExternalHop-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-ExternalHop-MessageData-0: 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 X-OriginatorOrg: oracle.com X-MS-Exchange-CrossTenant-Network-Message-Id: 6f5821a8-8a0f-4e6c-703f-08dcb8aa3ae4 X-MS-Exchange-CrossTenant-AuthSource: DS0PR10MB7933.namprd10.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 09 Aug 2024 19:34:05.2910 (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: 4p/P8IRLxTyBts22KlQQSAiXneZFghrZshPobNzlhtwjQdUao1vH0A/w0g6Lc9YXua6iq0yi75oryyhzJxpMZg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS7PR10MB4832 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.28.16 definitions=2024-08-09_16,2024-08-07_01,2024-05-17_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 spamscore=0 suspectscore=0 adultscore=0 phishscore=0 bulkscore=0 malwarescore=0 mlxscore=0 mlxlogscore=246 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2407110000 definitions=main-2408090141 X-Proofpoint-ORIG-GUID: t7HHqFZ6ygMNClMp97LeEb1_yhbH_U9H X-Proofpoint-GUID: t7HHqFZ6ygMNClMp97LeEb1_yhbH_U9H X-Rspam-User: X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: 5C29F40016 X-Stat-Signature: ymh5qcqr13hxsohaxsfjyzkio5foxydi X-HE-Tag: 1723232056-336665 X-HE-Meta: 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 vAeLhds7 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 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: List-Subscribe: List-Unsubscribe: * Jeff Xu [240808 21:03]: > On Thu, Aug 8, 2024 at 5:34=E2=80=AFPM Pedro Falcato wrote: > > > > On Fri, Aug 9, 2024 at 12:12=E2=80=AFAM Andrew Morton wrote: > > > > > > On Wed, 7 Aug 2024 22:13:03 +0100 Pedro Falcato wrote: > > > > > > > This series also depends on (and will eventually very slightly conf= lict with) > > > > the powerpc series that removes arch_unmap[2]. > > > > > > That's awkward. Please describe the dependency? > > > > One of the transformations done in this patch series (patch 2) assumes > > that arch_unmap either doesn't exist or does nothing. > > PPC is the only architecture with an arch_unmap implementation, and > > through the series I linked they're going to make it work via > > ->close(). > > > > What's the easiest way to deal with this? Can the PPC series go > > through the mm tree? > > > This patch can't be merged until arch_unmap() is all removed (ppc change) I would say that you should just leave the arch_unmap() call in place for now. Are we seriously worried that a powerpc user will try to unmap the VDSO and then get an error that it was mseal'ed after setting the VDSO pointer to NULL? I'm more worried about the Perseid meteor shower hitting me - aka the sky falling. Note that we could already run into an error after setting the vdso pointer to null today. ... Thanks, Liam