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 X-Spam-Level: X-Spam-Status: No, score=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 42CA8C43381 for ; Wed, 27 Mar 2019 01:51:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1A85D2087E for ; Wed, 27 Mar 2019 01:51:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727485AbfC0BvB (ORCPT ); Tue, 26 Mar 2019 21:51:01 -0400 Received: from mga03.intel.com ([134.134.136.65]:51273 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726922AbfC0BvB (ORCPT ); Tue, 26 Mar 2019 21:51:01 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga103.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 26 Mar 2019 18:51:00 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.60,274,1549958400"; d="scan'208";a="145524779" Received: from fmsmsx105.amr.corp.intel.com ([10.18.124.203]) by orsmga002.jf.intel.com with ESMTP; 26 Mar 2019 18:51:00 -0700 Received: from fmsmsx120.amr.corp.intel.com (10.18.124.208) by FMSMSX105.amr.corp.intel.com (10.18.124.203) with Microsoft SMTP Server (TLS) id 14.3.408.0; Tue, 26 Mar 2019 18:51:00 -0700 Received: from shsmsx108.ccr.corp.intel.com (10.239.4.97) by fmsmsx120.amr.corp.intel.com (10.18.124.208) with Microsoft SMTP Server (TLS) id 14.3.408.0; Tue, 26 Mar 2019 18:50:59 -0700 Received: from shsmsx104.ccr.corp.intel.com ([169.254.5.74]) by SHSMSX108.ccr.corp.intel.com ([169.254.8.57]) with mapi id 14.03.0415.000; Wed, 27 Mar 2019 09:50:58 +0800 From: "Zhang, Jun" To: "paulmck@linux.ibm.com" , "He, Bo" CC: Greg Kroah-Hartman , "linux-kernel@vger.kernel.org" , "stable@vger.kernel.org" , "Xiao, Jin" , "Bai, Jie A" Subject: RE: [PATCH 3.18 132/134] rcu: Do RCU GP kthread self-wakeup from softirq and interrupt Thread-Topic: [PATCH 3.18 132/134] rcu: Do RCU GP kthread self-wakeup from softirq and interrupt Thread-Index: AQHU4KqYqvmIcV2TkUOhSnG4am5KzqYXST2AgADz6ICAA8MXgIABGF2AgAB4qoCAASo2QA== Date: Wed, 27 Mar 2019 01:50:57 +0000 Message-ID: <88DC34334CA3444C85D647DBFA962C2735B04EB8@SHSMSX104.ccr.corp.intel.com> References: <20190322111210.465931067@linuxfoundation.org> <20190322111220.102008032@linuxfoundation.org> <20190323063315.GB31361@kroah.com> <20190325160017.GD4102@linux.ibm.com> <20190326155537.GO4102@linux.ibm.com> In-Reply-To: <20190326155537.GO4102@linux.ibm.com> Accept-Language: zh-CN, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-titus-metadata-40: eyJDYXRlZ29yeUxhYmVscyI6IiIsIk1ldGFkYXRhIjp7Im5zIjoiaHR0cDpcL1wvd3d3LnRpdHVzLmNvbVwvbnNcL0ludGVsMyIsImlkIjoiYmFlYWI3MjItNGJkYy00NDg2LWJlNTEtODFhNTNjODRjZTc5IiwicHJvcHMiOlt7Im4iOiJDVFBDbGFzc2lmaWNhdGlvbiIsInZhbHMiOlt7InZhbHVlIjoiQ1RQX05UIn1dfV19LCJTdWJqZWN0TGFiZWxzIjpbXSwiVE1DVmVyc2lvbiI6IjE3LjEwLjE4MDQuNDkiLCJUcnVzdGVkTGFiZWxIYXNoIjoiWGpFa0c4Z1RJa0FldjZYc0lZUVFvV29MTnNZelwvZnZjVmg4NEhSUU9KVW9LcVdEMG5sQkxYdDdkTzBwS3pudE8ifQ== x-ctpclassification: CTP_NT dlp-product: dlpe-windows dlp-version: 11.0.400.15 dlp-reaction: no-action x-originating-ip: [10.239.127.40] Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: base64 MIME-Version: 1.0 Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org SGVsbG+jrFBhdWwNCg0KSSB1c2UgYSBuZXcgTlVDIChtYWRlIGluIDIwMTcpIHRvIHRlc3QsIG1l ZXQgdGhlIHNhbWUgaGFuZy4gU3lzdGVtIHJ1biB2ZXJ5IHNsb3dseS4NCg0KQnV0IEkgdXNlIG15 IFBDIChtYWRlIGJlZm9yZSAyMDE1KSwgdGVzdCBWMy4xOC4xMzYrIHBhdGNoIGZvciAxMiBob3Vy cywgc3RpbGwgd2VsbC4NCg0KTWF5YmUgVjMuMTgueSBkb24ndCBzdXBwb3J0IHNvbWUgbmV3IGRl dmljZXMuDQoNCg0KLS0tLS1PcmlnaW5hbCBNZXNzYWdlLS0tLS0NCkZyb206IFBhdWwgRS4gTWNL ZW5uZXkgW21haWx0bzpwYXVsbWNrQGxpbnV4LmlibS5jb21dIA0KU2VudDogVHVlc2RheSwgTWFy Y2ggMjYsIDIwMTkgMjM6NTYNClRvOiBIZSwgQm8gPGJvLmhlQGludGVsLmNvbT4NCkNjOiBHcmVn IEtyb2FoLUhhcnRtYW4gPGdyZWdraEBsaW51eGZvdW5kYXRpb24ub3JnPjsgbGludXgta2VybmVs QHZnZXIua2VybmVsLm9yZzsgc3RhYmxlQHZnZXIua2VybmVsLm9yZzsgWmhhbmcsIEp1biA8anVu LnpoYW5nQGludGVsLmNvbT47IFhpYW8sIEppbiA8amluLnhpYW9AaW50ZWwuY29tPjsgQmFpLCBK aWUgQSA8amllLmEuYmFpQGludGVsLmNvbT4NClN1YmplY3Q6IFJlOiBbUEFUQ0ggMy4xOCAxMzIv MTM0XSByY3U6IERvIFJDVSBHUCBrdGhyZWFkIHNlbGYtd2FrZXVwIGZyb20gc29mdGlycSBhbmQg aW50ZXJydXB0DQoNCk9uIFR1ZSwgTWFyIDI2LCAyMDE5IGF0IDA4OjQzOjQ1QU0gKzAwMDAsIEhl LCBCbyB3cm90ZToNCj4gSGksIFBhdWw6DQo+IAlJIGhhdmUgdHJpZWQgb24gbXkgUEMgYW5kIG5v dCBoaXQgYW55IGhhbmcgaXNzdWUgd2l0aCBSQ1UgdG9ydHVyZSB0ZXN0IGZvciBvbmUgaG91ciwg dGhlIGNvbmZpZ3VyYXRpb25zIGFyZSBsaWtlOg0KPiBPUzogdWJ1bnR1IDE2LjA0DQo+IGtlbnJl bDogMy4xOC4xMzYgKyAzLjE4IHJjdSBwYXRjaA0KPiBDUFU6ICBJbnRlbChSKSBYZW9uKFIpIENQ VSBFMy0xMjI1IFYyIEAgMy4yMEdIeg0KDQpTb3VuZHMgZ29vZCwgcGxlYXNlIHByb2NlZWQhDQoN CgkJCQkJCQlUaGFueCwgUGF1bA0KDQo+IC0tLS0tT3JpZ2luYWwgTWVzc2FnZS0tLS0tDQo+IEZy b206IFBhdWwgRS4gTWNLZW5uZXkgPHBhdWxtY2tAbGludXguaWJtLmNvbT4NCj4gU2VudDogVHVl c2RheSwgTWFyY2ggMjYsIDIwMTkgMTI6MDAgQU0NCj4gVG86IEdyZWcgS3JvYWgtSGFydG1hbiA8 Z3JlZ2toQGxpbnV4Zm91bmRhdGlvbi5vcmc+DQo+IENjOiBIZSwgQm8gPGJvLmhlQGludGVsLmNv bT47IGxpbnV4LWtlcm5lbEB2Z2VyLmtlcm5lbC5vcmc7IA0KPiBzdGFibGVAdmdlci5rZXJuZWwu b3JnOyBaaGFuZywgSnVuIDxqdW4uemhhbmdAaW50ZWwuY29tPjsgWGlhbywgSmluIA0KPiA8amlu LnhpYW9AaW50ZWwuY29tPjsgQmFpLCBKaWUgQSA8amllLmEuYmFpQGludGVsLmNvbT4NCj4gU3Vi amVjdDogUmU6IFtQQVRDSCAzLjE4IDEzMi8xMzRdIHJjdTogRG8gUkNVIEdQIGt0aHJlYWQgc2Vs Zi13YWtldXAgDQo+IGZyb20gc29mdGlycSBhbmQgaW50ZXJydXB0DQo+IA0KPiBPbiBTYXQsIE1h ciAyMywgMjAxOSBhdCAwNzozMzoxNUFNICswMTAwLCBHcmVnIEtyb2FoLUhhcnRtYW4gd3JvdGU6 DQo+ID4gT24gRnJpLCBNYXIgMjIsIDIwMTkgYXQgMDQ6MDA6MTdQTSArMDAwMCwgSGUsIEJvIHdy b3RlOg0KPiA+ID4gSGksIEdyZWc6DQo+ID4gPiAJQ2FuIHlvdSBob2xkIG9uIHRoZSAzLjE4LXN0 YWJsZSBicmFuY2gsIGl0IHNlZW1zIHRoZXJlIGFyZSBzb21lIGlzc3VlLCBwbGVhc2Ugc2VlIHRo ZSBjb21tZW50cyBmcm9tIFBhdWw6DQo+ID4gPiANCj4gPiA+IENvbW1lbnRzIGZyb20gUGF1bDoN Cj4gPiA+IEkgc3ViamVjdGVkIGFsbCBvZiB0aGUgb3RoZXJzIHRvIGxpZ2h0IHJjdXRvcnR1cmUg dGVzdGluZywgd2hpY2ggDQo+ID4gPiB0aGV5IHBhc3NlZC4gIFRoaXMgdjMuMTggcGF0Y2ggaHVu ZywgaG93ZXZlci4gIFRyeWluZyBpdCBhZ2FpbiANCj4gPiA+IHdpdGggc3RvY2sNCj4gPiA+IHYz LjE4IGdvdCB0aGUgc2FtZSBoYW5nLCBzbyBJIGJlbGlldmUgd2UgY2FuIGV4b25lcmF0ZSB0aGUg cGF0Y2ggYW5kIGdpdmUgaXQgYSBnb29kIGZpcm0gIm1heWJlIiBvbiAzLjE4Lg0KPiA+ID4gDQo+ ID4gPiBXb3J0aCBwYXlpbmcgc3BlY2lhbCBhdHRlbnRpb24gdG8gZnVydGhlciB0ZXN0IHJlc3Vs dHMgZnJvbSAzLjE4LngsIHRob3VnaCENCj4gPiANCj4gPiBPaywgSSd2ZSBkcm9wcGVkIHRoaXMg ZnJvbSB0aGUgMy4xOC55IHF1ZXVlIG5vdywgdGhhbmtzLg0KPiANCj4gQm8sIGlmIHlvdSBrbm93 IG9mIGEgInkiIGZvciAzLjE4LnkgdGhhdCB3b3VsZCBsaWtlbHkgcGFzcyByY3V0b3J0dXJlIHRl c3RpbmcsIHBsZWFzZSBsZXQgbWUga25vdy4NCj4gDQo+IAkJCQkJCQlUaGFueCwgUGF1bA0KPiAN Cg0K