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=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no 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 04723ECE58E for ; Thu, 17 Oct 2019 14:00:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D81432054F for ; Thu, 17 Oct 2019 14:00:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2439752AbfJQOAq (ORCPT ); Thu, 17 Oct 2019 10:00:46 -0400 Received: from eu-smtp-delivery-151.mimecast.com ([207.82.80.151]:59304 "EHLO eu-smtp-delivery-151.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2437275AbfJQOAq (ORCPT ); Thu, 17 Oct 2019 10:00:46 -0400 Received: from AcuMS.aculab.com (156.67.243.126 [156.67.243.126]) (Using TLS) by relay.mimecast.com with ESMTP id uk-mta-236-V6OhvOg1OhyF6nLWHS1ciQ-1; Thu, 17 Oct 2019 15:00:43 +0100 Received: from AcuMS.Aculab.com (fd9f:af1c:a25b:0:43c:695e:880f:8750) by AcuMS.aculab.com (fd9f:af1c:a25b:0:43c:695e:880f:8750) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Thu, 17 Oct 2019 15:00:42 +0100 Received: from AcuMS.Aculab.com ([fe80::43c:695e:880f:8750]) by AcuMS.aculab.com ([fe80::43c:695e:880f:8750%12]) with mapi id 15.00.1347.000; Thu, 17 Oct 2019 15:00:42 +0100 From: David Laight To: 'Yunfeng Ye' , Sudeep Holla CC: "catalin.marinas@arm.com" , "will@kernel.org" , "kstewart@linuxfoundation.org" , "gregkh@linuxfoundation.org" , "ard.biesheuvel@linaro.org" , "tglx@linutronix.de" , "wuyun.wu@huawei.com" , "linux-kernel@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , "hushiyuan@huawei.com" , "linfeilong@huawei.com" Subject: RE: [PATCH V2] arm64: psci: Reduce waiting time of cpu_psci_cpu_kill() Thread-Topic: [PATCH V2] arm64: psci: Reduce waiting time of cpu_psci_cpu_kill() Thread-Index: AQHVhO5+Vr2ETd8AWEKYYhhOaw9ZuKde3Cgg Date: Thu, 17 Oct 2019 14:00:42 +0000 Message-ID: References: <18068756-0f39-6388-3290-cf03746e767d@huawei.com> <9df267db-e647-a81d-16bb-b8bfb06c2624@huawei.com> <20191016153221.GA8978@bogus> <0f550044-9ed2-5f72-1335-73417678ba45@huawei.com> In-Reply-To: <0f550044-9ed2-5f72-1335-73417678ba45@huawei.com> Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.202.205.107] MIME-Version: 1.0 X-MC-Unique: V6OhvOg1OhyF6nLWHS1ciQ-1 X-Mimecast-Spam-Score: 0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: base64 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org RnJvbTogWXVuZmVuZyBZZQ0KPiBTZW50OiAxNyBPY3RvYmVyIDIwMTkgMTQ6MjYNCi4uLg0KPiA+ PiAtCWZvciAoaSA9IDA7IGkgPCAxMDsgaSsrKSB7DQo+ID4+ICsJaSA9IDA7DQo+ID4+ICsJdGlt ZW91dCA9IGppZmZpZXMgKyBtc2Vjc190b19qaWZmaWVzKDEwMCk7DQo+ID4+ICsJZG8gew0KPiA+ PiAgCQllcnIgPSBwc2NpX29wcy5hZmZpbml0eV9pbmZvKGNwdV9sb2dpY2FsX21hcChjcHUpLCAw KTsNCj4gPj4gIAkJaWYgKGVyciA9PSBQU0NJXzBfMl9BRkZJTklUWV9MRVZFTF9PRkYpIHsNCj4g Pj4gIAkJCXByX2luZm8oIkNQVSVkIGtpbGxlZC5cbiIsIGNwdSk7DQo+ID4+ICAJCQlyZXR1cm4g MDsNCj4gPj4gIAkJfQ0KPiA+Pg0KPiA+PiAtCQltc2xlZXAoMTApOw0KPiA+PiAtCQlwcl9pbmZv KCJSZXRyeWluZyBhZ2FpbiB0byBjaGVjayBmb3IgQ1BVIGtpbGxcbiIpOw0KPiA+DQo+ID4gWW91 IGRyb3BwZWQgdGhpcyBtZXNzYWdlLCBhbnkgcGFydGljdWxhciByZWFzb24gPw0KPiA+DQo+IFdo ZW4gcmVkdWNlIHRoZSB0aW1lIGludGVydmFsIHRvIDFtcywgdGhlIHByaW50IG1lc3NhZ2UgbWF5 YmUgaW5jcmVhc2UgMTAgdGltZXMuDQo+IG9uIHRoZSBvdGhlciBoYW5kLCBjcHVfcHNjaV9jcHVf a2lsbCgpIHdpbGwgcHJpbnQgbWVzc2FnZSBvbiBzdWNjZXNzIG9yIGZhaWx1cmUsIHdoaWNoDQo+ IHRoaXMgcmV0cnkgbG9nIGlzIG5vdCB2ZXJ5IG5lY2Vzc2FyeS4gb2YgY291cmNlLCBJIHRoaW5r IHVzZSBwcl9pbmZvX29uY2UoKSBpbnN0ZWFkIG9mDQo+IHByX2luZm8oKSBpcyBiZXR0ZXIuDQoN Ck1heWJlIHlvdSBzaG91bGQgcHJpbnQgaW4gb24gKHNheSkgdGhlIDEwdGggdGltZSBhcm91bmQg dGhlIGxvb3AuDQoNCglEYXZpZA0KDQotDQpSZWdpc3RlcmVkIEFkZHJlc3MgTGFrZXNpZGUsIEJy YW1sZXkgUm9hZCwgTW91bnQgRmFybSwgTWlsdG9uIEtleW5lcywgTUsxIDFQVCwgVUsNClJlZ2lz dHJhdGlvbiBObzogMTM5NzM4NiAoV2FsZXMpDQo=