Received: by 2002:a25:5b86:0:0:0:0:0 with SMTP id p128csp371105ybb; Thu, 28 Mar 2019 04:22:12 -0700 (PDT) X-Google-Smtp-Source: APXvYqwCxPffszJ9morxn49GxC+9DupM9pk+xhIbiqE0Ra3Dqx9dCljfcl6vis4wkg8iXV2Huy4D X-Received: by 2002:a17:902:7481:: with SMTP id h1mr1597882pll.206.1553772132236; Thu, 28 Mar 2019 04:22:12 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1553772132; cv=none; d=google.com; s=arc-20160816; b=xXR1OEpqKYdiN8QHSZk7OgqRNfXVI7m++0RMmUt/EVyaepMk/9JMTYlXCkhh0SKerQ 5i97jixFH6sAeGeUVmIoc45eLK1Hlj0mtoTZOpX3mmJ286+ub3ZVQa1P157cah8q1XDj I1s9Q4uQAtCq8cidhdPQLhPsw4wSaTMItAdAwUseRSCVpZ+IQqUSEU7mnxZGRGXJbIsT OYRqRszkmjGTb0mZsYXC4LPjMDRuhn+QqncchT1YjgGIVowaqU1Fm5RvdvzpzZIqJq5W gU2sdQudKb2pWq3ZW8pnu51NAqYVsSn3L9olvhcO0CeQc5BbbKBeLSOaiNMKjZ4UVCff 5OWA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:mime-version:content-transfer-encoding :content-language:accept-language:in-reply-to:references:message-id :date:thread-index:thread-topic:subject:cc:to:from:dkim-signature; bh=sRF+Xy0gBL+bjrNiKGapwZTt70xygZ56uIHTOPRDLXw=; b=dqFk4iHJ8RlzCDwImSOP+bVwVsAYbOMAFyNbKs3uj0gy9L/YbXqqdrbAB3l/oYrBsU PEZ7KyecPGuBp8uxe0PXgZIzITxepL24AFcxJVXzK0pJqB+l5RANSSNDGRJZGXuunmqp Y+uzsykwF2moPGTyEAWBGcqJQDmRgKtAmX9Oev7PArRamrUTijis9oEbXCyGh3ddJvZC ftQbqmzPQSuQcLv2AAlE+VZ5dLJbFt6qi9SPn16p53WVWaQp1Dde4GfHW9CH0tTKM4hJ dsstTgYey+N6yI22iEvOLlD0l4RM/GPVwuI1114/E/ei4OpWNGKwnR3u8mGhD9J+FxNj TbiQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@nxp.com header.s=selector1 header.b=YzEDfx8M; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=nxp.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id 61si22049499plq.154.2019.03.28.04.21.56; Thu, 28 Mar 2019 04:22:12 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@nxp.com header.s=selector1 header.b=YzEDfx8M; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=nxp.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726704AbfC1LVG (ORCPT + 99 others); Thu, 28 Mar 2019 07:21:06 -0400 Received: from mail-eopbgr10077.outbound.protection.outlook.com ([40.107.1.77]:22435 "EHLO EUR02-HE1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1725779AbfC1LVG (ORCPT ); Thu, 28 Mar 2019 07:21:06 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nxp.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=sRF+Xy0gBL+bjrNiKGapwZTt70xygZ56uIHTOPRDLXw=; b=YzEDfx8M0XO4GuWpyM7klOwod/zLkn+v5UNsIlDWk5dhT97YuwsQnvoG9K6o3d+3kvPXs01kw1ObFjNaZjxZgvJxpoN+Jk+9q3L3DjCmWbyuhQuhx9cQezzgbCwb8UM5Y99T7MXUU6MwAnsto9y39J2j6GrpNVD1UE1p6oKsG+A= Received: from AM0PR04MB4211.eurprd04.prod.outlook.com (52.134.92.158) by AM0PR04MB5075.eurprd04.prod.outlook.com (20.176.214.88) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.1750.15; Thu, 28 Mar 2019 11:21:00 +0000 Received: from AM0PR04MB4211.eurprd04.prod.outlook.com ([fe80::4514:91e2:16b7:ee2b]) by AM0PR04MB4211.eurprd04.prod.outlook.com ([fe80::4514:91e2:16b7:ee2b%4]) with mapi id 15.20.1750.014; Thu, 28 Mar 2019 11:21:00 +0000 From: Aisheng Dong To: Marc Zyngier , Leonard Crestez , "l.stach@pengutronix.de" , Richard Zhu , Jacky Bai CC: Fabio Estevam , Cosmin Samoila , Robin Gong , Mircea Pop , Daniel Baluta , "catalin.marinas@arm.com" , "shawnguo@kernel.org" , Robert Chiras , Anson Huang , Jun Li , Abel Vesa , "robh@kernel.org" , Zening Wang , dl-linux-imx , BOUGH CHEN , Horia Geanta , Peter Chen , Joakim Zhang , "rjw@rjwysocki.net" , Leo Zhang , Shenwei Wang , "linux-pm@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , Ranjani Vaidyanathan , Han Xu , "will.deacon@arm.com" , Iuliana Prodan , "sudeep.holla@arm.com" , "lorenzo.pieralisi@arm.com" , "linux-kernel@vger.kernel.org" , "mark.rutland@arm.com" , Peng Fan , "kernel@pengutronix.de" , Viorel Suman Subject: RE: [RFC 0/7] cpuidle: Add poking mechanism to support non-IPI wakeup Thread-Topic: [RFC 0/7] cpuidle: Add poking mechanism to support non-IPI wakeup Thread-Index: AQHU5J/uL6RBBX3AA0GxPKCBIrMc4KYfnrmAgAADs4CAAAJMgIAADy+AgAAUXQCAAR4xkA== Date: Thu, 28 Mar 2019 11:21:00 +0000 Message-ID: References: <1553692845-20983-1-git-send-email-abel.vesa@nxp.com> <1553701479.2561.38.camel@pengutronix.de> <564216aa-1144-71de-e887-00c58f466bf5@arm.com> <1553702767.2561.40.camel@pengutronix.de> <0ac4b527-2f79-4d21-7408-18c87cadb512@arm.com> In-Reply-To: <0ac4b527-2f79-4d21-7408-18c87cadb512@arm.com> Accept-Language: zh-CN, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: spf=none (sender IP is ) smtp.mailfrom=aisheng.dong@nxp.com; x-originating-ip: [119.31.174.66] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: cd401811-1435-4d7d-4827-08d6b36f7507 x-ms-office365-filtering-ht: Tenant x-microsoft-antispam: BCL:0;PCL:0;RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600127)(711020)(4605104)(4618075)(2017052603328)(7153060)(7193020);SRVR:AM0PR04MB5075; x-ms-traffictypediagnostic: AM0PR04MB5075: x-microsoft-antispam-prvs: x-forefront-prvs: 0990C54589 x-forefront-antispam-report: SFV:NSPM;SFS:(10009020)(376002)(346002)(136003)(396003)(366004)(39860400002)(199004)(189003)(106356001)(4326008)(256004)(9686003)(7696005)(14454004)(76176011)(6506007)(102836004)(53546011)(25786009)(14444005)(53936002)(33656002)(5660300002)(26005)(478600001)(11346002)(99286004)(476003)(446003)(6246003)(105586002)(486006)(55016002)(71190400001)(71200400001)(110136005)(44832011)(54906003)(66066001)(186003)(2501003)(8676002)(8936002)(3846002)(81156014)(81166006)(6116002)(316002)(6436002)(93886005)(6636002)(97736004)(68736007)(2906002)(305945005)(52536014)(7736002)(74316002)(7416002)(229853002)(86362001);DIR:OUT;SFP:1101;SCL:1;SRVR:AM0PR04MB5075;H:AM0PR04MB4211.eurprd04.prod.outlook.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;A:1;MX:1; received-spf: None (protection.outlook.com: nxp.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: +S6iJJe1VnMFjbX135VqRqSQoXhTesj9gVX2eOtLLWpY7ND7YqkTjXJ1+OPM3cCqrq4Rc4aiz7gzA1+aGyQs4kkxAO2/kKcFI1DgqzgVcCvec7JHgq7cN5d+Ow5D/n4gJeCT2EaaEg6pQlfKQTPU+6QZvytHynx+94fi/n135bK8ji6UPpGiuHmwgeQTB+LPsJNUvmtDW5GnjksFrhXwqtEgDyH1Bq+xAyhATtK0AZNkl/jHhi8pDvzhcJUO088bIo+7GCS0AabUNIQf9K5N8knM6qrYf8UKJljGRTy1MnhJ89Fb1QfBSyZOzJijXEfXOdkxcIIERbtkzcGHsgsmSqn16HKGlfG2u8s40pH3fq5/feDny6IPRRTYh60KlQBc7lqZIPofcR7CYSfiZcn41Mzv5Wk8AYalH9rCFDuMcts= Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: cd401811-1435-4d7d-4827-08d6b36f7507 X-MS-Exchange-CrossTenant-originalarrivaltime: 28 Mar 2019 11:21:00.4086 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM0PR04MB5075 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org PiBGcm9tOiBNYXJjIFp5bmdpZXIgW21haWx0bzptYXJjLnp5bmdpZXJAYXJtLmNvbV0NCj4gU2Vu dDogVGh1cnNkYXksIE1hcmNoIDI4LCAyMDE5IDI6MTMgQU0NCj4gT24gMjcvMDMvMjAxOSAxNzow MCwgTGVvbmFyZCBDcmVzdGV6IHdyb3RlOg0KPiA+IE9uIFdlZCwgMjAxOS0wMy0yNyBhdCAxNzow NiArMDEwMCwgTHVjYXMgU3RhY2ggd3JvdGU6DQo+ID4+IEFtIE1pdHR3b2NoLCBkZW4gMjcuMDMu MjAxOSwgMTU6NTcgKzAwMDAgc2NocmllYiBNYXJjIFp5bmdpZXI6DQo+ID4+PiBPbiAyNy8wMy8y MDE5IDE1OjQ0LCBMdWNhcyBTdGFjaCB3cm90ZToNCj4gPj4+PiBBbSBNaXR0d29jaCwgZGVuIDI3 LjAzLjIwMTksIDEzOjIxICswMDAwIHNjaHJpZWIgQWJlbCBWZXNhOg0KPiA+Pj4+PiBUaGlzIHdv cmsgaXMgYSB3b3JrYXJvdW5kIEknbSBsb29raW5nIGludG8gKG1vcmUgYXMgYSBiYWNrZ3JvdW5k DQo+ID4+Pj4+IHRhc2spIGluIG9yZGVyIHRvIGFkZCBzdXBwb3J0IGZvciBjcHVpZGxlIG9uIGku TVg4TVEgYmFzZWQgcGxhdGZvcm1zLg0KPiA+Pj4+Pg0KPiA+Pj4+PiBUaGUgbWFpbiBpZGVhIGhl cmUgaXMgZ2V0dGluZyBhcm91bmQgdGhlIG1pc3NpbmcgR0lDIHdha2VfcmVxdWVzdA0KPiA+Pj4+ PiBzaWduYWwgKGR1ZSB0byBpbnRlZ3JhdGlvbiBkZXNpZ24gaXNzdWUpIGJ5IHdha2luZyB1cCBh IGVhY2gNCj4gPj4+Pj4gaW5kaXZpZHVhbCBjb3JlIHRocm91Z2ggc29tZSBkZWRpY2F0ZWQgU1cg cG93ZXItdXAgYml0cyBpbnNpZGUgdGhlDQo+ID4+Pj4+IHBvd2VyIGNvbnRyb2xsZXIgKEdQQykg cmlnaHQgYmVmb3JlIGV2ZXJ5IElQSSBpcyByZXF1ZXN0ZWQgZm9yIHRoYXQgZWFjaA0KPiBpbmRp dmlkdWFsIGNvcmUuDQo+ID4+Pj4NCj4gPj4+PiBKdXN0IGEgZ2VuZXJhbCBjb21tZW50LCB3aXRo b3V0IGdvaW5nIGludG8gdGhlIGRldGFpbHMgb2YgdGhpcyBzZXJpZXM6DQo+ID4+Pj4gdGhpcyBp c3N1ZSBpcyBub3Qgb25seSBhZmZlY3RpbmcgSVBJcywgYnV0IGFsc28gTVNJcyB0ZXJtaW5hdGVk IGF0DQo+ID4+Pj4gdGhlIEdJQy4gQ3VycmVudGx5IE1TSXMgYXJlIHRlcm1pbmF0ZWQgYXQgdGhl IFBDSWUgY29yZSwgYnV0DQo+ID4+Pj4gdGVybWluYXRpbmcgdGhlbSBhdCB0aGUgR0lDIGlzIGNs ZWFybHkgcHJlZmVyYWJsZSwgYXMgdGhpcyBhbGxvd3MNCj4gPj4+PiBhc3NpZ25pbmcgQ1BVIGFm ZmluaXR5IHRvIGluZGl2aWR1YWwgTVNJcyBhbmQgbG93ZXJzIElSUSBzZXJ2aWNlIG92ZXJoZWFk Lg0KPiA+Pj4+DQo+ID4+Pj4gSSdtIG5vdCBzdXJlIHdoYXQgdGhlIGNvbnNlcXVlbmNlcyBhcmUg Zm9yIHVwc3RyZWFtIExpbnV4IHN1cHBvcnQNCj4gPj4+PiB5ZXQsIGJ1dCB3ZSBzaG91bGQga2Vl cCBpbiBtaW5kIHRoYXQgaGF2aW5nIGEgd29ya2Fyb3VuZCBmb3IgSVBJcw0KPiA+Pj4+IGlzIG9u bHkgc29sdmluZyBwYXJ0IG9mIHRoZSBpc3N1ZS4NCj4gPj4+DQo+ID4+PiBJZiB0aGlzIGVycmF0 dW0gaXMgYWZmZWN0aW5nIG1vcmUgdGhhbiBqdXN0IElQSXMsIHRoZW4gaW5kZWVkIEkNCj4gPj4+ IGRvbid0IHNlZSBob3cgdGhpcyBwYXRjaCBzZXJpZXMgc29sdmVzIGFueXRoaW5nLg0KPiA+Pj4N Cj4gPj4+IEJ1dCB0aGUgZXJyYXR1bSBkb2N1bWVudGF0aW9uIHNlZW1zIHRvIGltcGx5IHRoYXQg b25seSBTR0lzIGFyZQ0KPiA+Pj4gYWZmZWN0ZWQsIGFuZCBnb2VzIGFzIGZhciBhcyBzdWdnZXN0 aW5nIHRvIHVzZSBhbiBleHRlcm5hbCBpbnRlcnJ1cHQNCj4gPj4+IHdvdWxkIHNvbHZlIGl0LiBI b3cgY29tZXMgdGhpcyBpcyBub3QgdGhlIGNhc2U/IE9yIGlzIGl0IHRoYXQNCj4gPj4+IGFueXRo aW5nIGRpcmVjdGx5IHJvdXRlZCB0byBhIHJlZGlzdHJpYnV0b3IgaXMgYWxzbyBhZmZlY3RlZD8g VGhpcw0KPiA+Pj4gd291bGQgYnJlYWsgTFBJcyAoYW5kIHRodXMgTVNJcykgYW5kIFBQSXMgKHRo ZSBDUFUgdGltZXIsIGFtb25nIG90aGVycykuDQo+ID4+Pg0KPiA+Pj4gV2hhdCBpcyB0aGUgKmV4 YWN0KiBzdGF0dXMgb2YgdGhpcyB0aGluZz8gSSBoYXZlIHRoZSB1Z2x5IGZlZWxpbmcNCj4gPj4+ IHRoYXQgdGhlIHRydWUgd29ya2Fyb3VuZCBpcyBqdXN0IHRvIGRpc2FibGUgY3B1aWRsZS4NCj4g Pj4NCj4gPj4gQXMgZmFyIGFzIEkgdW5kZXJzdGFuZCB0aGUgZXJyYXR1bSwgdGhlIGJhc2ljIGlz c3VlIGlzIHRoYXQgdGhlIEdJQw0KPiA+PiB3YWtlX3JlcXVlc3Qgc2lnbmFscyBhcmUgbm90IGNv bm5lY3RlZCB0byB0aGUgR1BDICh0aGUgQ1BVL3BlcmlwaGVyYWwNCj4gPj4gcG93ZXIgc2VxdWVu Y2VyKS4gVGhlIFNQSXMgYXJlIHJvdXRlZCB0aHJvdWdoIHRoZSBHUEMgYW5kIHRodXMgYXJlDQo+ ID4+IHZpc2libGUgYXMgd2FrZXVwIHNvdXJjZXMsIHdoaWNoIGlzIHdoeSB0aGUgd29ya2Fyb3Vu ZCBvZiB1c2luZyBhbg0KPiA+PiBleHRlcm5hbCBTUEkgYXMgd2FrZXVwIHRyaWdnZXIgZm9yIHRo ZSBJUEkgd29ya3MuDQo+ID4NCj4gPiBXZSBoYWQgYSBrZXJuZWwgd29ya2Fyb3VuZCBmb3IgSVBJ cyBpbiBvdXIgaW50ZXJuYWwgdHJlZSBmb3IgYSBsb25nDQo+ID4gdGltZSBhbmQgSSBkb24ndCB0 aGluayB3ZSBkbyBhbnl0aGluZyBzcGVjaWFsIGZvciBQQ0kuIERvZXMgUENJIE1TSQ0KPiA+IHJl YWxseSBieXBhc3MgdGhlIEdQQyBvbiA4bXE/DQo+IA0KPiBJZiB5b3UgaGF2ZSBhbiBJVFMsIGNl cnRhaW5seS4gSWYgeW91IGRvbid0LCBpdCBkZXBlbmRzLiBNU0lzIGNhbiBoaXQgdGhlDQo+IGRp c3RyaWJ1dG9yJ3MgTUJJIHJlZ2lzdGVycyBhbmQgZ2VuZXJhdGUgbm9uLXdpcmVkIFNQSXMsIHdo aWNoIEkgYXNzdW1lIHdpbGwNCj4gYnlwYXNzIHRoZSBHUEMgYWx0b2dldGhlci4NCj4gDQoNClJp Y2hhcmQgJiBKYWNreSwNCg0KQ2FuIHlvdSBkb3VibGUgY2hlY2sgaWYgdGhpcyBpc3N1ZSBhZmZl Y3QgUENJIE1TSSBmdW5jdGlvbj8NCg0KUmVnYXJkcw0KRG9uZyBBaXNoZW5nDQoNCj4gPiBBZGRp bmcgUmljaGFyZC9KYWNreSwgdGhleSBtaWdodCBrbm93IGFib3V0IHRoaXMuDQo+ID4NCj4gPiBU aGlzIHNlZW1zIGxpa2Ugc29tZXRoaW5nIG9mIGEgY29ybmVyIGNhc2UgdG8gbWUsIGRvbid0IG1h bnkgaW14DQo+ID4gYm9hcmRzIHNoaXAgd2l0aG91dCBQQ0k7IGVzcGVjaWFsbHkgZm9yIGxvdy1w b3dlciBzY2VuYXJpb3M/IElmDQo+ID4gcmVxdWlyZWQgaXQgbWlnaHQgYmUgcmVhc29uYWJsZSB0 byBhZGQgYW4gYWRkaXRpb25hbCB3b3JrYXJvdW5kIHRvDQo+ID4gZGlzYWJsZSBhbGwgY3B1aWRs ZSBpZiBwY2kgbXNpcyBhcmUgdXNlZC4NCj4gDQo+IEVzdGFibGlzaGluZyBhIGxpbmsgYmV0d2Vl biBjcHVpZGxlIGFuZCBQQ0kgaW4gdGhlIGtlcm5lbCB3b3VsZCBiZSBwcmV0dHkNCj4gaW52YXNp dmUsIGFuZCB0aGF0IHdvdWxkIGNvbWUgb24gdG9wIG9mIHdoYXQgdGhpcyBzZXJpZXMgYWxzbyBt YW5kYXRlcy4NCj4gDQo+IEF0IHRoYXQgbGV2ZWwgb2YgYXBwYXJlbnQgYnJva2VubmVzcywgaXQg aXMgZmFyIHNhZmVyIHRvIGdldCBjcHVpZGxlIG91dCBvZiB0aGUNCj4gcGljdHVyZSBhbHRvZ2V0 aGVyLCBhbmQgSSdkIHJhdGhlciBzZWUgdGhlc2UgcGF0Y2hlcyBpbiBhIHZlbmRvciB0cmVlIChm b3Igb25jZSkuDQo+IA0KPiBUaGFua3MsDQo+IA0KPiAJTS4NCj4gLS0NCj4gSmF6eiBpcyBub3Qg ZGVhZC4gSXQganVzdCBzbWVsbHMgZnVubnkuLi4NCg==