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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id EAE01C76196 for ; Thu, 6 Apr 2023 08:26:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235933AbjDFI0L (ORCPT ); Thu, 6 Apr 2023 04:26:11 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41330 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235895AbjDFI0J (ORCPT ); Thu, 6 Apr 2023 04:26:09 -0400 Received: from eu-smtp-delivery-151.mimecast.com (eu-smtp-delivery-151.mimecast.com [185.58.86.151]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A7A3A7A9D for ; Thu, 6 Apr 2023 01:26:02 -0700 (PDT) Received: from AcuMS.aculab.com (156.67.243.121 [156.67.243.121]) by relay.mimecast.com with ESMTP with both STARTTLS and AUTH (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id uk-mta-83-D1tdxv4cNzaW0ds0adK_fQ-1; Thu, 06 Apr 2023 09:25:59 +0100 X-MC-Unique: D1tdxv4cNzaW0ds0adK_fQ-1 Received: from AcuMS.Aculab.com (10.202.163.6) by AcuMS.aculab.com (10.202.163.6) with Microsoft SMTP Server (TLS) id 15.0.1497.48; Thu, 6 Apr 2023 09:25:57 +0100 Received: from AcuMS.Aculab.com ([::1]) by AcuMS.aculab.com ([::1]) with mapi id 15.00.1497.048; Thu, 6 Apr 2023 09:25:57 +0100 From: David Laight To: 'Dave Hansen' , Uros Bizjak , "linux-alpha@vger.kernel.org" , "loongarch@lists.linux.dev" , "linux-mips@vger.kernel.org" , "linuxppc-dev@lists.ozlabs.org" , "x86@kernel.org" , "linux-arch@vger.kernel.org" , "linux-perf-users@vger.kernel.org" , "linux-kernel@vger.kernel.org" CC: Richard Henderson , Ivan Kokshaysky , Matt Turner , Huacai Chen , WANG Xuerui , Thomas Bogendoerfer , Michael Ellerman , "Nicholas Piggin" , Christophe Leroy , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , "H. Peter Anvin" , Arnd Bergmann , "Peter Zijlstra" , Arnaldo Carvalho de Melo , Mark Rutland , Alexander Shishkin , Jiri Olsa , "Namhyung Kim" , Ian Rogers , Will Deacon , Boqun Feng , Jiaxun Yang , Jun Yi Subject: RE: [PATCH v2 0/5] locking: Introduce local{,64}_try_cmpxchg Thread-Topic: [PATCH v2 0/5] locking: Introduce local{,64}_try_cmpxchg Thread-Index: AQHZZ9zo4aQfYkHe8kGrF8tSkNZCGa8d8QYA Date: Thu, 6 Apr 2023 08:25:57 +0000 Message-ID: <5c10520ac747430cb421badcb293c706@AcuMS.aculab.com> References: <20230405141710.3551-1-ubizjak@gmail.com> <7360ffd2-a5aa-1373-8309-93e71ff36cbb@intel.com> In-Reply-To: <7360ffd2-a5aa-1373-8309-93e71ff36cbb@intel.com> 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 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-perf-users@vger.kernel.org RnJvbTogRGF2ZSBIYW5zZW4NCj4gU2VudDogMDUgQXByaWwgMjAyMyAxNzozNw0KPiANCj4gT24g NC81LzIzIDA3OjE3LCBVcm9zIEJpemphayB3cm90ZToNCj4gPiBBZGQgZ2VuZXJpYyBhbmQgdGFy Z2V0IHNwZWNpZmljIHN1cHBvcnQgZm9yIGxvY2Fseyw2NH1fdHJ5X2NtcHhjaGcNCj4gPiBhbmQg d2lyZSB1cCBzdXBwb3J0IGZvciBhbGwgdGFyZ2V0cyB0aGF0IHVzZSBsb2NhbF90IGluZnJhc3Ry dWN0dXJlLg0KPiANCj4gSSBmZWVsIGxpa2UgSSdtIG1pc3Npbmcgc29tZSBjb250ZXh0Lg0KPiAN Cj4gV2hhdCBhcmUgdGhlIGFjdHVhbCBlbmQgdXNlciB2aXNpYmxlIGVmZmVjdHMgb2YgdGhpcyBz ZXJpZXM/ICBJcyB0aGVyZSBhDQo+IG1lYXN1cmFibGUgZGVjcmVhc2UgaW4gcGVyZiBvdmVyaGVh ZD8gIFdoeSBnbyB0byBhbGwgdGhpcyB0cm91YmxlIGZvcg0KPiBwZXJmPyAgV2hvIGVsc2Ugd2ls bCB1c2UgbG9jYWxfdHJ5X2NtcHhjaGcoKT8NCg0KSSdtIGFzc3VtaW5nIHRoZSBsb2NhbF94eHgg b3BlcmF0aW9ucyBvbmx5IGhhdmUgdG8gYmUgc2F2ZSB3cnQgaW50ZXJydXB0cz8NCk9uIHg4NiBp dCBpcyBwb3NzaWJsZSB0aGF0IGFuIGFsdGVybmF0ZSBpbnN0cnVjdGlvbiBzZXF1ZW5jZQ0KdGhh dCBkb2Vzbid0IHVzZSBhIGxvY2tlZCBpbnN0cnVjdGlvbiBtYXkgYWN0dWFsbHkgYmUgZmFzdGVy IQ0KDQpBbHRob3VnaCwgbWF5YmUsIGFueSBraW5kIG9mIGxvY2tlZCBjbXB4Y2hnIGp1c3QgbmVl ZHMgdG8gZW5zdXJlDQp0aGUgY2FjaGUgbGluZSBpc24ndCAnc3RvbGVuJywgc28gYXBhcnQgZnJv bSBwb3NzaWJsZSBzbGlnaHQNCmRlbGF5cyBvbiBhbm90aGVyIGNwdSB0aGF0IGdldHMgYSBjYWNo ZSBtaXNzIGZvciB0aGUgbGluZSBpbg0KYWxsIG1ha2VzIGxpdHRsZSBkaWZmZXJlbmNlLg0KVGhl IGNhY2hlIGxpbmUgbWlzcyBjb3N0cyBhIGxvdCBhbnl3YXksIGxpbmUgYm91bmNpbmcgbW9yZQ0K YW5kIGlzIGJlc3QgYXZvaWRlZC4NClNvIGlzIHRoZXJlIGFjdHVhbGx5IG11Y2ggb2YgYSBiZW5l Zml0IGF0IGFsbD8NCg0KQ2xlYXJseSB0aGUgdHJ5X2NtcHhjaGcgaGVscCAtIGJ1dCB0aGF0IGlz IGEgZGlmZmVyZW50IGlzc3VlLg0KDQoJRGF2aWQNCg0KLQ0KUmVnaXN0ZXJlZCBBZGRyZXNzIExh a2VzaWRlLCBCcmFtbGV5IFJvYWQsIE1vdW50IEZhcm0sIE1pbHRvbiBLZXluZXMsIE1LMSAxUFQs IFVLDQpSZWdpc3RyYXRpb24gTm86IDEzOTczODYgKFdhbGVzKQ0K