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 10E17C7619A for ; Tue, 11 Apr 2023 21:34:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229687AbjDKVen (ORCPT ); Tue, 11 Apr 2023 17:34:43 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50122 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229556AbjDKVem (ORCPT ); Tue, 11 Apr 2023 17:34:42 -0400 Received: from eu-smtp-delivery-151.mimecast.com (eu-smtp-delivery-151.mimecast.com [185.58.85.151]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5403D5245 for ; Tue, 11 Apr 2023 14:34:41 -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-206-zsA8Q_GJNdGPDl24cMCxtg-1; Tue, 11 Apr 2023 22:34:38 +0100 X-MC-Unique: zsA8Q_GJNdGPDl24cMCxtg-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; Tue, 11 Apr 2023 22:34:35 +0100 Received: from AcuMS.Aculab.com ([::1]) by AcuMS.aculab.com ([::1]) with mapi id 15.00.1497.048; Tue, 11 Apr 2023 22:34:35 +0100 From: David Laight To: 'Dave Hansen' , Mark Rutland CC: 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" , "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 , 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: AQHZbHulp5OquwuviUmDAgAFAiF/7K8moCeA Date: Tue, 11 Apr 2023 21:34:35 +0000 Message-ID: References: <20230405141710.3551-1-ubizjak@gmail.com> <7360ffd2-a5aa-1373-8309-93e71ff36cbb@intel.com> <1fee0372-3a3b-5e09-38c3-ffb3523fe195@intel.com> In-Reply-To: <1fee0372-3a3b-5e09-38c3-ffb3523fe195@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-mips@vger.kernel.org RnJvbTogRGF2ZSBIYW5zZW4NCj4gU2VudDogMTEgQXByaWwgMjAyMyAxNDo0NA0KPiANCj4gT24g NC8xMS8yMyAwNDozNSwgTWFyayBSdXRsYW5kIHdyb3RlOg0KPiA+IEkgYWdyZWUgaXQnZCBiZSBu aWNlIHRvIGhhdmUgcGVyZm9ybWFuY2UgZmlndXJlcywgYnV0IEkgdGhpbmsgdGhvc2Ugd291bGQg b25seQ0KPiA+IG5lZWQgdG8gZGVtb25zdHJhdGUgYSBsYWNrIG9mIGEgcmVncmVzc2lvbiByYXRo ZXIgdGhhbiBhIHBlcmZvcm1hbmNlDQo+ID4gaW1wcm92ZW1lbnQsIGFuZCBJIHRoaW5rIGl0J3Mg ZmFpcmx5IGNsZWFyIGZyb20gZXllYmFsbGluZyB0aGUgZ2VuZXJhdGVkDQo+ID4gaW5zdHJ1Y3Rp b25zIHRoYXQgYSByZWdyZXNzaW9uIGlzbid0IGxpa2VseS4NCj4gDQo+IFRoYW5rcyBmb3IgdGhl IGFkZGl0aW9uYWwgY29udGV4dC4NCj4gDQo+IEkgdG90YWxseSBhZ3JlZSB0aGF0IHRoZXJlJ3Mg emVybyBidXJkZW4gaGVyZSB0byBzaG93IGEgcGVyZm9ybWFuY2UNCj4gaW5jcmVhc2UuICBJZiBh bnlvbmUgY2FuIHRoaW5rIG9mIGEgcXVpY2sgd2F5IHRvIGRvIF9zb21lXyBraW5kIG9mDQo+IGJl bmNobWFyayBvbiB0aGUgY29kZSBiZWluZyBjaGFuZ2VkIGFuZCBqdXN0IHNob3cgdGhhdCBpdCdz IGZyZWUgb2YNCj4gYnJvd24gcGFwZXIgYmFncywgaXQgd291bGQgYmUgYXBwcmVjaWF0ZWQuICBO b3RoaW5nIGNyYXp5LCBqdXN0IHRoaW5rIG9mDQo+IG9uZSB3b3JrbG9hZCAoc3ludGhldGljIG9y IG5vdCkgdGhhdCB3aWxsIHN0cmVzcyB0aGUgcGF0aHMgYmVpbmcgY2hhbmdlZA0KPiBhbmQgcnVu IGl0IHdpdGggYW5kIHdpdGhvdXQgdGhlc2UgY2hhbmdlcy4gIE1ha2Ugc3VyZSB0aGVyZSBhcmUg bm90DQo+IHN1cnByaXNlcy4NCj4gDQo+IEkgYWxzbyBhZ3JlZSB0aGF0IGl0J3MgdW5saWtlbHkg dG8gYmUgYnJvd24gcGFwZXIgYmFnIG1hdGVyaWFsLg0KDQpUaGUgb25seSB0aGluZyBJIGNhbiB0 aGluayBvZiBpcyB0aGF0LCBvbiB4ODYsIHRoZSBsb2NrZWQNCnZhcmlhbnQgbWF5IGFjdHVhbGx5 IGJlIGZhc3RlciENCkJvdGggcmVxdWlyZSBleGNsdXNpdmUgYWNjZXNzIHRvIHRoZSBjYWNoZSBs aW5lICh0aGUgdW5sb2NrZWQNCnZhcmlhbnQgYWx3YXlzIGRvZXMgdGhlIHdyaXRlISBbMV0pLg0K U28gaWYgdGhlIGNhY2hlIGxpbmUgaXMgY29udGVuZGVkIGJldHdlZW4gY3B1IHRoZSB1bmxvY2tl ZA0KdmFyaWFudCBtaWdodCBwaW5nLXBvbmcgdGhlIGNhY2hlIGxpbmUgdHdpY2UhDQpPZiBjb3Vy c2UsIGlmIHRoZSBsaW5lIGlzIHNoYXJlZCBsaWtlIHRoYXQgdGhlbiBwZXJmb3JtYW5jZQ0KaXMg aG9ycmlkLg0KDQpbMV0gSSBjaGVja2VkIG9uIGFuIHVuY2FjaGVkIFBDSWUgYWRkcmVzcyBvbiB3 aGljaCBJIGNhbiBtb25pdG9yDQp0aGUgVExQLiBUaGUgd3JpdGUgYWx3YXlzIGhhcHBlbnMgc28g eW91IGNhbiB1c2UgY21weGNoZzE4Yg0Kd2l0aCBhICdrbm93biBiYWQgdmFsdWUnIHRvIGRvIGEg MTYgYnl0ZSByZWFkIGFzIGEgc2luZ2xlIFRMUA0KKHdpdGhvdXQgdXNpbmcgYW4gU1NFIHJlZ2lz dGVyKS4NCg0KCURhdmlkDQoNCi0NClJlZ2lzdGVyZWQgQWRkcmVzcyBMYWtlc2lkZSwgQnJhbWxl eSBSb2FkLCBNb3VudCBGYXJtLCBNaWx0b24gS2V5bmVzLCBNSzEgMVBULCBVSw0KUmVnaXN0cmF0 aW9uIE5vOiAxMzk3Mzg2IChXYWxlcykNCg==