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 92DD7C76196 for ; Thu, 6 Apr 2023 09:02:33 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4Psb9h0j9Kz3fXN for ; Thu, 6 Apr 2023 19:02:32 +1000 (AEST) Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=aculab.com (client-ip=185.58.85.151; 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 [185.58.85.151]) (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 4Psb944Xxcz3cjN for ; Thu, 6 Apr 2023 19:01:59 +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-80-upD2WwgLO3ejICcwmG1kqw-1; Thu, 06 Apr 2023 10:01:53 +0100 X-MC-Unique: upD2WwgLO3ejICcwmG1kqw-1 Received: from AcuMS.Aculab.com (10.202.163.4) by AcuMS.aculab.com (10.202.163.4) with Microsoft SMTP Server (TLS) id 15.0.1497.48; Thu, 6 Apr 2023 10:01:23 +0100 Received: from AcuMS.Aculab.com ([::1]) by AcuMS.aculab.com ([::1]) with mapi id 15.00.1497.048; Thu, 6 Apr 2023 10:01:23 +0100 From: David Laight To: 'Uros Bizjak' 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///04ICAABW6oA== Date: Thu, 6 Apr 2023 09:01:23 +0000 Message-ID: References: <20230405141710.3551-1-ubizjak@gmail.com> <7360ffd2-a5aa-1373-8309-93e71ff36cbb@intel.com> <5c10520ac747430cb421badcb293c706@AcuMS.aculab.com> 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 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 , "x86@kernel.org" , Peter Zijlstra , Dave Hansen , Jiaxun Yang , "linux-kernel@vger.kernel.org" , Dave Hansen , "H. Peter Anvin" , WANG Xuerui , Will Deacon , "linux-arch@vger.kernel.org" , Jun Yi , Huacai Chen , Alexander Shishkin , Ingo Molnar , Matt Turner , Arnd Bergmann , Boqun Feng , Richard Henderson , Nicholas Piggin , Ivan Kokshaysky , Arnaldo Carvalho de Melo , "loongarch@lists.linux.dev" , Namhyung Kim , Thomas Gleixner , Thomas Bogendoerfer , "linux-mips@vger.kernel.org" , "linux-perf-users@vger.kernel.org" , Jiri Olsa , "linux-alpha@vger.kernel.org" , Borislav Petkov , "linuxppc-dev@lists.ozlabs.org" Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" RnJvbTogVXJvcyBCaXpqYWsNCj4gU2VudDogMDYgQXByaWwgMjAyMyAwOTozOQ0KPiANCj4gT24g VGh1LCBBcHIgNiwgMjAyMyBhdCAxMDoyNuKAr0FNIERhdmlkIExhaWdodCA8RGF2aWQuTGFpZ2h0 QGFjdWxhYi5jb20+IHdyb3RlOg0KPiA+DQo+ID4gRnJvbTogRGF2ZSBIYW5zZW4NCj4gPiA+IFNl bnQ6IDA1IEFwcmlsIDIwMjMgMTc6MzcNCj4gPiA+DQo+ID4gPiBPbiA0LzUvMjMgMDc6MTcsIFVy b3MgQml6amFrIHdyb3RlOg0KPiA+ID4gPiBBZGQgZ2VuZXJpYyBhbmQgdGFyZ2V0IHNwZWNpZmlj IHN1cHBvcnQgZm9yIGxvY2Fseyw2NH1fdHJ5X2NtcHhjaGcNCj4gPiA+ID4gYW5kIHdpcmUgdXAg c3VwcG9ydCBmb3IgYWxsIHRhcmdldHMgdGhhdCB1c2UgbG9jYWxfdCBpbmZyYXN0cnVjdHVyZS4N Cj4gPiA+DQo+ID4gPiBJIGZlZWwgbGlrZSBJJ20gbWlzc2luZyBzb21lIGNvbnRleHQuDQo+ID4g Pg0KPiA+ID4gV2hhdCBhcmUgdGhlIGFjdHVhbCBlbmQgdXNlciB2aXNpYmxlIGVmZmVjdHMgb2Yg dGhpcyBzZXJpZXM/ICBJcyB0aGVyZSBhDQo+ID4gPiBtZWFzdXJhYmxlIGRlY3JlYXNlIGluIHBl cmYgb3ZlcmhlYWQ/ICBXaHkgZ28gdG8gYWxsIHRoaXMgdHJvdWJsZSBmb3INCj4gPiA+IHBlcmY/ ICBXaG8gZWxzZSB3aWxsIHVzZSBsb2NhbF90cnlfY21weGNoZygpPw0KPiA+DQo+ID4gSSdtIGFz c3VtaW5nIHRoZSBsb2NhbF94eHggb3BlcmF0aW9ucyBvbmx5IGhhdmUgdG8gYmUgc2F2ZSB3cnQg aW50ZXJydXB0cz8NCj4gPiBPbiB4ODYgaXQgaXMgcG9zc2libGUgdGhhdCBhbiBhbHRlcm5hdGUg aW5zdHJ1Y3Rpb24gc2VxdWVuY2UNCj4gPiB0aGF0IGRvZXNuJ3QgdXNlIGEgbG9ja2VkIGluc3Ry dWN0aW9uIG1heSBhY3R1YWxseSBiZSBmYXN0ZXIhDQo+IA0KPiBQbGVhc2Ugbm90ZSB0aGF0ICJs b2NhbCIgZnVuY3Rpb25zIGRvIG5vdCB1c2UgbG9jayBwcmVmaXguIE9ubHkgYXRvbWljDQo+IHBy b3BlcnRpZXMgb2YgY21weGNoZyBpbnN0cnVjdGlvbiBhcmUgZXhwbG9pdGVkIHNpbmNlIGl0IG9u bHkgbmVlZHMgdG8NCj4gYmUgc2FmZSB3cnQgaW50ZXJydXB0cy4NCg0KR2FoLCBJIHdhcyBhc3N1 bWluZyB0aGF0IExPQ0sgd2FzIGltcGxpZWQgLSBsaWtlIGl0IGlzIGZvciB4Y2hnDQphbmQgYWxs IHRoZSBiaXQgaW5zdHJ1Y3Rpb25zLg0KDQpJbiBhbnkgY2FzZSBJIHN1c3BlY3QgaXQgbWFrZXMg bGl0dGxlIGRpZmZlcmVuY2UgdW5sZXNzIHRoZQ0KbG9ja2VkIHZhcmlhbnQgYWZmZWN0cyB0aGUg aW5zdHJ1Y3Rpb24gcGlwZWxpbmUuDQpJbiBmYWN0LCB5b3UgbWF5IHdhbnQgdG8gc3RvcCB0aGUg Y2FjaGVsaW5lIGJlaW5nIGludmFsaWRhdGVkDQpiZXR3ZWVuIHRoZSByZWFkIGFuZCB3cml0ZSBp biBvcmRlciB0byBhdm9pZCBhbiBleHRyYSBjYWNoZQ0KbGluZSBib3VuY2UuDQoNCglEYXZpZA0K DQotDQpSZWdpc3RlcmVkIEFkZHJlc3MgTGFrZXNpZGUsIEJyYW1sZXkgUm9hZCwgTW91bnQgRmFy bSwgTWlsdG9uIEtleW5lcywgTUsxIDFQVCwgVUsNClJlZ2lzdHJhdGlvbiBObzogMTM5NzM4NiAo V2FsZXMpDQo=