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 38A79C433EF for ; Mon, 7 Mar 2022 03:50:49 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 932F08D0002; Sun, 6 Mar 2022 22:50:48 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 8E2308D0001; Sun, 6 Mar 2022 22:50:48 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 735068D0002; Sun, 6 Mar 2022 22:50:48 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0038.hostedemail.com [216.40.44.38]) by kanga.kvack.org (Postfix) with ESMTP id 5F49F8D0001 for ; Sun, 6 Mar 2022 22:50:48 -0500 (EST) Received: from smtpin30.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id 0EEE218268F24 for ; Mon, 7 Mar 2022 03:50:48 +0000 (UTC) X-FDA: 79216213776.30.E883236 Received: from NAM04-MW2-obe.outbound.protection.outlook.com (mail-mw2nam08on2048.outbound.protection.outlook.com [40.107.101.48]) by imf04.hostedemail.com (Postfix) with ESMTP id 3743D40003 for ; Mon, 7 Mar 2022 03:50:47 +0000 (UTC) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=kRBvRx6zXkdLjYZZ1ohrdo0SLMV97JO6l4O75zXtoIQ1zrTqeoqL/bJ1q2iR/maFjVhA4ouAaRPHFXTww3h7DkxLpeC1isoWdIhDxa0M5xPaMYN7eiIrgyZOD9gEEO3Hji7VycPcJtqrXaWK4hvzwpUiL3enh61vZm4I9RbB9WGFWX3r4rgXJV5EVo6zytqQRB4qEV/8f3c4IZPPyQXUPVtTZ1Q9vt4W9dE9NoGhLkerqi/HvymC6wOf/Ma3xIHlETnJ2OJxhnJUKYU5J9Bw+YF/ptdXbsBUKEBoBMntrmknuiqgf6S50xEJQQU1o3xdVwkUWYRnm3upr73QxWu8oQ== 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=bvlMPNb6mIP399dGTNIlu3QjyyMfh0xRxeyuoFU83V4=; b=VX1GBlvyt1Uf6l8Y2moHX86P0eJSC7wdAWn/ogiFpYLaqJGyPjzFW1EPow74Rd3oHUyg6E+NlUhkkTRYt4pkkMrJqK2lOqIiI6ZQBemRBOaMIEDn26YdGF+hxQWKdiuCRc6N1TPwAeZ6gQoIdk6TBx19u9xvhzkv1aIXu4CtmET60+iygl7pi/Ycovowi9ojQqdk+KiTyeW9J6xPWobhi8ILA/Ukoaa9oJQTcqRumEdS1Jq2DdETv6nGlM56qYIOduq5cHVd+V9RatIx1O/6vOsMb8cRzRji6FyhlsBYsTCN8Jr/tiUTG2q17YN6AN28Yh577gaAUYknG4pPVDtstA== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=nvidia.com; dmarc=pass action=none header.from=nvidia.com; dkim=pass header.d=nvidia.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=Nvidia.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=bvlMPNb6mIP399dGTNIlu3QjyyMfh0xRxeyuoFU83V4=; b=kq6j288cRjVpKZ1w4bi59dbzGFRSANvEwCElkvSuBDItbonuBRM8DrA14XmY8MOx8PEhsEXpwKnK4Q44RdUc0zUvROIA1902xuJVG4kr7O4dSshmdxPGskbSIrsV1bRIDPOFUHXnE0mjpYW4KkCBbqXGjne/ZVZy0U1yqGeitJFNOnt9PMKS9P/ffOQjay4FLdkqjp4GwZzmycumEdWFuTnHaf/e9SJkvZaPQ1Fkg2pNZTpHNEJjGav7nh5dJvoaQGTEzrADrNMAB1kjaK7dZNtYCpRWDvSGoJMquMzw/9dwtVbto0QSEr+W7S+DbNTKth/lgt9Q3rZ9ndFf6KX4aQ== Received: from MW2PR12MB4667.namprd12.prod.outlook.com (2603:10b6:302:12::28) by BL1PR12MB5158.namprd12.prod.outlook.com (2603:10b6:208:31c::11) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5038.13; Mon, 7 Mar 2022 03:50:43 +0000 Received: from MW2PR12MB4667.namprd12.prod.outlook.com ([fe80::204b:bbcb:d388:64a2]) by MW2PR12MB4667.namprd12.prod.outlook.com ([fe80::204b:bbcb:d388:64a2%4]) with mapi id 15.20.5038.026; Mon, 7 Mar 2022 03:50:43 +0000 From: Chaitanya Kulkarni To: "paulmck@kernel.org" CC: "linux-mm@kvack.org" , "lsf-pc@lists.linux-foundation.org" Subject: Re: [LSF/MM/BPF TOPIC] Changes in RCU over the past few years Thread-Topic: [LSF/MM/BPF TOPIC] Changes in RCU over the past few years Thread-Index: AQHYL3seqjjNDeUGbEaP33FaQ3WZT6yzThOA Date: Mon, 7 Mar 2022 03:50:43 +0000 Message-ID: References: <20220304035116.GA8858@paulmck-ThinkPad-P17-Gen-1> In-Reply-To: <20220304035116.GA8858@paulmck-ThinkPad-P17-Gen-1> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.3.0 x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 41406a6d-3bea-413c-cdd0-08d9ffeda7b1 x-ms-traffictypediagnostic: BL1PR12MB5158:EE_ x-microsoft-antispam-prvs: x-ms-exchange-senderadcheck: 1 x-ms-exchange-antispam-relay: 0 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:MW2PR12MB4667.namprd12.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230001)(4636009)(366004)(31686004)(31696002)(83380400001)(86362001)(6916009)(54906003)(186003)(71200400001)(316002)(5660300002)(2616005)(4744005)(8936002)(36756003)(91956017)(2906002)(64756008)(8676002)(508600001)(4326008)(122000001)(38070700005)(76116006)(66446008)(66476007)(66946007)(66556008)(38100700002)(6486002)(6512007)(6506007)(53546011)(45980500001)(43740500002);DIR:OUT;SFP:1101; x-ms-exchange-antispam-messagedata-chunkcount: 1 x-ms-exchange-antispam-messagedata-0: =?utf-8?B?M1RmMGVxcDQzU2dCUVFuQTJqTWYxTk9xMFRLVzdPK1RQWmtCNlJWeWpDRVdy?= =?utf-8?B?VGtTanVWeEg2OFZTbm1RTEo4Q3E3S1lYUGQ2RjNiNjVka1ZhaTVXcUVTYUJs?= =?utf-8?B?d3BsY3BiWjc4TUhnOEVtQVM0RnJhRHdLaG1OTWoySmtaVG1tZldTZ1l0Uncr?= =?utf-8?B?Q210SUxiR2g5WUVBbWNmQU9JTWFEVERSNUdXeFVjQVNTQllYcUtLdXU3TlZy?= =?utf-8?B?S1Q0ZFVlOFpxWW5JNmFIQkcrZjUyK1lRRkdoeWwrN2pDRmo0REU5QWF6UmNP?= =?utf-8?B?M1haOGZwcnpJK1o3WDA4RVdramJPelpFT25VTWNjRE5LVXg2ZkljUm9WZzlN?= =?utf-8?B?YmNHNWwzMFdqSGNhMUlyQWpZelRjdGMyZUhNTFd5Vk1peGhvVGxTVEpwQ20w?= =?utf-8?B?UnRYQ1JueXU2WDBpVlVsb3ZENitLQ2N0Z0szSnA2SmNRTUVBdGl3RHFURkNw?= =?utf-8?B?Y05zK2lEUEtOUDBHWTRqbVNzSkFCaXMvUDhEemJtQlYvT0dRWHpuS1dMdkkr?= =?utf-8?B?MHA4Q1NKN0I0WmtWU0FRdVd5cHFlSHBFZjhqdWFLeG03djJvRnFHMkZJQzFq?= =?utf-8?B?SmU4dmp5QzFVU0dqd1BNT2VtQkpaV3ZReXVCT0tTRHQ0VURZOC96OUlwd2Ro?= =?utf-8?B?RWVZeHc2TVBYcUVYckQ0cFNiaTJueEFyT0oxSzBFTm1zeTdtRTF1Y3E5Q2xm?= =?utf-8?B?YldOS2o3a21SelIzcnpMSUlnUHlidXBNVUVCeXBkTGFqTFhRS3IrK09kbm0w?= =?utf-8?B?OXRYeHFFVGx4ZW9saFBNeXFscXd0aW9DWHE1OERFSjRMNHhtM2NyRnNDTHFG?= =?utf-8?B?T2EzcVA0elEwcHZ6UU5pdXJYRG02ZmlsOENCcEQzOUVWK2M4VEs2Q0dBWnpL?= =?utf-8?B?MnNLT0xValVtaUhURC8waG1zb1hpTkt3OTQ2d0RmQ2YzbVhkYXRjanlGV3A0?= =?utf-8?B?bnUwR01ndkRBeVByVDlpUlB3WUV6aVZSWlllMFNQQ1NDdWxqb3RhS2l0SEJt?= =?utf-8?B?TDBMRW1qZDByRGkzTDc0SElRWTNyN3pjS2ZSeVMwNnlZUEdTTjBkUDRWSjVw?= =?utf-8?B?SERxbmt0Mmhhb3o3YnR4RndLRkJER2wwOW5zUzl3Uit1b0NXYkpFcEMyd2ZQ?= =?utf-8?B?dW8rZkxpc1ZiVTRCTjB4VlNDMzRCc01RZFM5amJrYUNpZzlqSnRiK1o3OTFa?= =?utf-8?B?dTRuVHdkbElzNGR0R05ET0NqZGpqZ041Z2VUbFFOY3dOQVorbGc4VVVUNFRu?= =?utf-8?B?WTdGSGJuWDgxb3pnOEMzdnJSNXZCeTFaUzBDdW1RTld5cHdrYnJjUWhDZnIw?= =?utf-8?B?MG56WVpSZzBkaHZkSWtTakxhODVJcXVUL29ldkU5bEE1K0dsYzNaWUxTbS9W?= =?utf-8?B?c1dpSGtoTCtEdmJVMTRZV25vVm9nenJoRDR0cE8rcUsxZTdnR3lnSWxTZHlF?= =?utf-8?B?aGJIUUE0QW16Y2EzWFl3Unp5b0IzdVZTS3VnN0s3QWdjQWN3ZHl3eGNRME5a?= =?utf-8?B?L0RpbW1IanhORXhXS2dGZitKNUZpRXJIazRUazdpRDI4RTBhVE13aFI4alN2?= =?utf-8?B?T2lDTTJqZEtZenJvTmhPdVdTdHdEd0tibFh6blVPRjdrcjlBOEVoNXlQSmwv?= =?utf-8?B?Ym5oV0twcG1kRzFzQVlnNmx2cFJPd0RxUTMrbWgrZStKd01CZlVlZEZTRkVz?= =?utf-8?B?eTVJek00SGRQM0czWUd2TEkxcGVNTmlreUVXSEttYklSWXNZdU5OaEp5akh3?= =?utf-8?B?OERQOWdxN3pJSlRmUHQ2aUlnZnJ3UFdaUU5LZGFDKzhORm16cEs1M0RmeFVU?= =?utf-8?B?elB3RE5sTjk4VkNCSTVhcGU4dGdaM2MwTTdDM21KVEdIVmVhV1B3eFZkKzh0?= =?utf-8?B?KzhnRHFnSUVKZ0JCTXFSM01PMHFDRHZIa1VuNHRHd1NwNDVHbUltMEplbzFI?= =?utf-8?B?YkJtUVpyaTlKS3dmUlV3K2hpaTZ3VDFQbDJVNW9uYnQ2ZDNuSC9lT2Y4V1Br?= =?utf-8?B?bUtBbWNqaXVMK3I4ZHJyNHRrc0tpQjl0d05PMUdleXVjUFhNcnk2ME84ZUc0?= =?utf-8?B?MHVCdU1ob0EvbzZoVm13TlRweDJIT0VwVmlyM2dSVzNVWFdJSkw4aVJHaWZV?= =?utf-8?B?NUJpYnhrbTJtR3Rzb0lYbllSNDB4RkFDRjlTbXJ0RzhZdEppWDd6UCt5VGht?= =?utf-8?B?M2FsYVpZbmt6cDBRazFzSVNLYzZ6Zy9WYk9tZTJ4M3BwME5PZzBBck9hbDBP?= =?utf-8?Q?hq4n3Da+OOfIO4TzHB8qF13SRyXflOfZWySZ3c2QO0=3D?= Content-Type: text/plain; charset="utf-8" Content-ID: <5BB6A77432D6AE4E979FC9B7D686C080@namprd12.prod.outlook.com> Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: MW2PR12MB4667.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 41406a6d-3bea-413c-cdd0-08d9ffeda7b1 X-MS-Exchange-CrossTenant-originalarrivaltime: 07 Mar 2022 03:50:43.4478 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: 1buWLmZ15acO3X4sUld04ympDAVOCv8JFDPZVRE5zluTyM5v/a4cY8MiN0ueRKYSgxGASZ6kRFwWSN6PD6dq4w== X-MS-Exchange-Transport-CrossTenantHeadersStamped: BL1PR12MB5158 X-Rspamd-Server: rspam11 X-Rspamd-Queue-Id: 3743D40003 X-Rspam-User: Authentication-Results: imf04.hostedemail.com; dkim=pass header.d=Nvidia.com header.s=selector2 header.b=kq6j288c; dmarc=pass (policy=reject) header.from=nvidia.com; spf=none (imf04.hostedemail.com: domain of chaitanyak@nvidia.com has no SPF policy when checking 40.107.101.48) smtp.mailfrom=chaitanyak@nvidia.com X-Stat-Signature: 68d6fdcnh74fq5h9znmdjomt54sfqjbj X-HE-Tag: 1646625047-919712 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000008, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: T24gMy8zLzIyIDE5OjUxLCBQYXVsIEUuIE1jS2VubmV5IHdyb3RlOg0KPiBIZWxsbyENCj4gDQo+ IFRoZXJlIGhhdmUgYmVlbiBhIG51bWJlciBvZiBjaGFuZ2VzIHRvIFJDVSBvdmVyIHRoZSBwYXN0 IGZldyB5ZWFycywNCj4gaW5jbHVkaW5nIGNvbnNvbGlkYXRpbmcgdGhlIHVwZGF0ZS1zaWRlIFJD VS1wcmVlbXB0LCBSQ1Utc2NoZWQsDQo+IGFuZCBSQ1UtYmggZmxhdm9ycywgdGhlIGFkZGl0aW9u IG9mIFRSRUUgU1JDVSwgbm9uLXNsZWVwaW5nIHBvbGxlZA0KPiBncmFjZS1wZXJpb2QgaW50ZXJm YWNlcyBmb3IgUkNVIGFuZCBTUkNVLCBhbmQgYWRkaXRpb24gb2YgYSBjb3VwbGUNCj4gdmFyaWFu dHMgb2YgVGFza3MgUkNVLiAgVGhpcyB0b3BpYyB3b3VsZCBpbmNsdWRlIGEgcXVpY2sgb3ZlcnZp ZXcgb2YNCj4gdGhlc2UgY2hhbmdlcywgd2l0aCBzcGVjaWFsIGF0dGVudGlvbiB0byBjaGFsbGVu Z2VzIHdoZW4gYmFjayBwb3J0aW5nIHRvDQo+IHByZS1jb25zb2xpZGF0ZWQtUkNVIGtlcm5lbHMu ICBUaW1lIHBlcm1pdHRpbmcsIGl0IG1pZ2h0IGFsc28gYmUgdXNlZnVsDQo+IHRvIGxvb2sgYXQg c29tZSBvZiB0aGUgbnVhbmNlcyBvZiBTTEFCX0RFU1RST1lfQllfUkNVLg0KPiANCj4gVGhpcyB3 b3VsZCBhbHNvIGJlIGFuIG9wcG9ydHVuaXR5IHRvIGRpc2N1c3MgUkNVIHVzZSBjYXNlcyBhbmQg cG90ZW50aWFsDQo+IGNoYW5nZXMgdG8gUkNVIGl0c2VsZi4NCj4gDQo+IAkJCQkJCVRoYW54LCBQ YXVsDQo+IA0KDQpJJ2xsIGJlIHZlcnkgbXVjaCBpbnRlcmVzdGVkIGluIHRoaXMgdG9waWMgYW5k IEkgdGhpbmsgZXZlcnlvbmUNCm5vbi1vbmx5IG1tIGJ1dCBmcy9zdG9yYWdlIHRyYWNrcyBjYW4g YWxzbyBiZW5lZml0IGZyb20gdGhpcy4NCg0KUGVyaGFwcyB3ZSBzaG91bGQgYWRkIHJlc3BlY3Rp dmUgbWFpbGluZyBsaXN0IHRvIHRoaXMgdGhyZWFkID8NCihsaW51eC1ibG9jayBhbmQgbGludXgt ZnNkZXZlbCkNCg0KLWNrDQoNCg0K