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 lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id E4773C7618D for ; Thu, 6 Apr 2023 08:26:40 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4PsZNH2w6Zz3fRN for ; Thu, 6 Apr 2023 18:26:39 +1000 (AEST) Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=aculab.com (client-ip=185.58.86.151; helo=eu-smtp-delivery-151.mimecast.com; envelope-from=david.laight@aculab.com; receiver=) Received: from eu-smtp-delivery-151.mimecast.com (eu-smtp-delivery-151.mimecast.com [185.58.86.151]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4PsZMj15vnz3f7K for ; Thu, 6 Apr 2023 18:26:06 +1000 (AEST) 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" 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 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , Ian Rogers , Peter Zijlstra , Dave Hansen , Jiaxun Yang , "H. Peter Anvin" , WANG Xuerui , Will Deacon , Jun Yi , Huacai Chen , Alexander Shishkin , Ingo Molnar , Matt Turner , Arnd Bergmann , Boqun Feng , Richard Henderson , Nicholas Piggin , Ivan Kokshaysky , Arnaldo Carvalho de Melo , Namhyung Kim , Thomas Gleixner , Thomas Bogendoerfer , Jiri Olsa , Borislav Petkov Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" RnJvbTogRGF2ZSBIYW5zZW4NCj4gU2VudDogMDUgQXByaWwgMjAyMyAxNzozNw0KPiANCj4gT24g NC81LzIzIDA3OjE3LCBVcm9zIEJpemphayB3cm90ZToNCj4gPiBBZGQgZ2VuZXJpYyBhbmQgdGFy Z2V0IHNwZWNpZmljIHN1cHBvcnQgZm9yIGxvY2Fseyw2NH1fdHJ5X2NtcHhjaGcNCj4gPiBhbmQg d2lyZSB1cCBzdXBwb3J0IGZvciBhbGwgdGFyZ2V0cyB0aGF0IHVzZSBsb2NhbF90IGluZnJhc3Ry dWN0dXJlLg0KPiANCj4gSSBmZWVsIGxpa2UgSSdtIG1pc3Npbmcgc29tZSBjb250ZXh0Lg0KPiAN Cj4gV2hhdCBhcmUgdGhlIGFjdHVhbCBlbmQgdXNlciB2aXNpYmxlIGVmZmVjdHMgb2YgdGhpcyBz ZXJpZXM/ICBJcyB0aGVyZSBhDQo+IG1lYXN1cmFibGUgZGVjcmVhc2UgaW4gcGVyZiBvdmVyaGVh ZD8gIFdoeSBnbyB0byBhbGwgdGhpcyB0cm91YmxlIGZvcg0KPiBwZXJmPyAgV2hvIGVsc2Ugd2ls bCB1c2UgbG9jYWxfdHJ5X2NtcHhjaGcoKT8NCg0KSSdtIGFzc3VtaW5nIHRoZSBsb2NhbF94eHgg b3BlcmF0aW9ucyBvbmx5IGhhdmUgdG8gYmUgc2F2ZSB3cnQgaW50ZXJydXB0cz8NCk9uIHg4NiBp dCBpcyBwb3NzaWJsZSB0aGF0IGFuIGFsdGVybmF0ZSBpbnN0cnVjdGlvbiBzZXF1ZW5jZQ0KdGhh dCBkb2Vzbid0IHVzZSBhIGxvY2tlZCBpbnN0cnVjdGlvbiBtYXkgYWN0dWFsbHkgYmUgZmFzdGVy IQ0KDQpBbHRob3VnaCwgbWF5YmUsIGFueSBraW5kIG9mIGxvY2tlZCBjbXB4Y2hnIGp1c3QgbmVl ZHMgdG8gZW5zdXJlDQp0aGUgY2FjaGUgbGluZSBpc24ndCAnc3RvbGVuJywgc28gYXBhcnQgZnJv bSBwb3NzaWJsZSBzbGlnaHQNCmRlbGF5cyBvbiBhbm90aGVyIGNwdSB0aGF0IGdldHMgYSBjYWNo ZSBtaXNzIGZvciB0aGUgbGluZSBpbg0KYWxsIG1ha2VzIGxpdHRsZSBkaWZmZXJlbmNlLg0KVGhl IGNhY2hlIGxpbmUgbWlzcyBjb3N0cyBhIGxvdCBhbnl3YXksIGxpbmUgYm91bmNpbmcgbW9yZQ0K YW5kIGlzIGJlc3QgYXZvaWRlZC4NClNvIGlzIHRoZXJlIGFjdHVhbGx5IG11Y2ggb2YgYSBiZW5l Zml0IGF0IGFsbD8NCg0KQ2xlYXJseSB0aGUgdHJ5X2NtcHhjaGcgaGVscCAtIGJ1dCB0aGF0IGlz IGEgZGlmZmVyZW50IGlzc3VlLg0KDQoJRGF2aWQNCg0KLQ0KUmVnaXN0ZXJlZCBBZGRyZXNzIExh a2VzaWRlLCBCcmFtbGV5IFJvYWQsIE1vdW50IEZhcm0sIE1pbHRvbiBLZXluZXMsIE1LMSAxUFQs IFVLDQpSZWdpc3RyYXRpb24gTm86IDEzOTczODYgKFdhbGVzKQ0K