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[23.128.96.18]) by mx.google.com with ESMTP id z2si15597242eju.371.2021.03.30.01.33.28; Tue, 30 Mar 2021 01:33:52 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=aculab.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230243AbhC3Icc (ORCPT + 99 others); Tue, 30 Mar 2021 04:32:32 -0400 Received: from eu-smtp-delivery-151.mimecast.com ([185.58.85.151]:25630 "EHLO eu-smtp-delivery-151.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231194AbhC3IcE (ORCPT ); Tue, 30 Mar 2021 04:32:04 -0400 Received: from AcuMS.aculab.com (156.67.243.121 [156.67.243.121]) (Using TLS) by relay.mimecast.com with ESMTP id uk-mta-228-1J3o_GQdNMSaHrENW9vpNw-1; Tue, 30 Mar 2021 09:32:01 +0100 X-MC-Unique: 1J3o_GQdNMSaHrENW9vpNw-1 Received: from AcuMS.Aculab.com (fd9f:af1c:a25b:0:994c:f5c2:35d6:9b65) by AcuMS.aculab.com (fd9f:af1c:a25b:0:994c:f5c2:35d6:9b65) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 30 Mar 2021 09:31:59 +0100 Received: from AcuMS.Aculab.com ([fe80::994c:f5c2:35d6:9b65]) by AcuMS.aculab.com ([fe80::994c:f5c2:35d6:9b65%12]) with mapi id 15.00.1497.012; Tue, 30 Mar 2021 09:31:59 +0100 From: David Laight To: 'Guo Ren' , Peter Zijlstra CC: linux-riscv , Linux Kernel Mailing List , "linux-csky@vger.kernel.org" , linux-arch , "Guo Ren" , Will Deacon , Ingo Molnar , Waiman Long , Arnd Bergmann , Anup Patel Subject: RE: [PATCH v4 3/4] locking/qspinlock: Add ARCH_USE_QUEUED_SPINLOCKS_XCHG32 Thread-Topic: [PATCH v4 3/4] locking/qspinlock: Add ARCH_USE_QUEUED_SPINLOCKS_XCHG32 Thread-Index: AQHXJRLqafLiHQrxhUmfjrWfh9X/MKqcMq2w Date: Tue, 30 Mar 2021 08:31:59 +0000 Message-ID: References: <1616868399-82848-1-git-send-email-guoren@kernel.org> <1616868399-82848-4-git-send-email-guoren@kernel.org> In-Reply-To: Accept-Language: en-GB, 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 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=C51A453 smtp.mailfrom=david.laight@aculab.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: aculab.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: base64 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org RnJvbTogR3VvIFJlbg0KPiBTZW50OiAzMCBNYXJjaCAyMDIxIDA0OjE0DQouLi4NCj4gPiBTdGVw IDEgd291bGQgYmUgdG8gZ2V0IHlvdXIgYXJjaGl0ZWN1dGUgZml4ZWQgc3VjaCB0aGF0IGl0IGNh biBwcm92aWRlDQo+ID4gZndkIHByb2dyZXNzIGd1YXJhbnRlZXMgZm9yIExML1NDLiBPdGhlcndp c2UgdGhlcmUncyBhYnNvbHV0ZWx5IG5vIHBvaW50DQo+ID4gaW4gYnVpbGRpbmcgY29tcGxleCBz eXN0ZW1zIHdpdGggaXQuDQo+IA0KPiBRdW90ZSBXYWltYW4ncyBjb21tZW50IFsxXSBvbiB4Y2hn MTYgb3B0aW1pemF0aW9uOg0KPiANCj4gIlRoaXMgb3B0aW1pemF0aW9uIGlzIG5lZWRlZCB0byBt YWtlIHRoZSBxc3BpbmxvY2sgYWNoaWV2ZSBwZXJmb3JtYW5jZQ0KPiBwYXJpdHkgd2l0aCB0aWNr ZXQgc3BpbmxvY2sgYXQgbGlnaHQgbG9hZC4iDQo+IA0KPiBbMV0gaHR0cHM6Ly9sb3JlLmtlcm5l bC5vcmcva3ZtLzE0Mjk5MDE4MDMtMjk3NzEtNi1naXQtc2VuZC1lbWFpbC1XYWltYW4uTG9uZ0Bo cC5jb20vDQo+IA0KPiBTbyBmb3IgYSBub24teGhnMTYgbWFjaGluZToNCj4gIC0gdGlja2V0LWxv Y2sgZm9yIHNtYWxsIG51bWJlcnMgb2YgQ1BVcw0KPiAgLSBxc3BpbmxvY2sgZm9yIGxhcmdlIG51 bWJlcnMgb2YgQ1BVcw0KPiANCj4gT2theSwgSSdsbCBwdXQgYWxsIG9mIHRoZW0gaW50byB0aGUg bmV4dCBwYXRjaCA6UA0KDQpEb2Vzbid0IHRoYXQgYWxzbyBpbXBseSB0aGF0IHlvdSBuZWVkIHRp Y2tldC1sb2NrcyBmb3INCmxpZ2h0bHkgY29udGVuZGVkIGxvY2tzIGV2ZW4gd2l0aCBhIGxvdCBv ZiBDUFVzPw0KDQpJZiB5b3UgYWN0dWFsbHkgZ2V0IGEgbG90IG9mIENQVXMgd2FpdGluZyBvbiB0 aGUgc2FtZSBzcGlubG9jaw0KeW91IHByb2JhYmx5IG91Z2h0IHRvIGNoYW5nZSB0aGUgY29kZSB0 byByZWR1Y2UgbG9jayBjb250ZW50aW9uLg0KDQoJRGF2aWQNCg0KLQ0KUmVnaXN0ZXJlZCBBZGRy ZXNzIExha2VzaWRlLCBCcmFtbGV5IFJvYWQsIE1vdW50IEZhcm0sIE1pbHRvbiBLZXluZXMsIE1L MSAxUFQsIFVLDQpSZWdpc3RyYXRpb24gTm86IDEzOTczODYgKFdhbGVzKQ0K