From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Laight Subject: RE: [PATCH v2 0/5] locking: Introduce local{,64}_try_cmpxchg 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> Mime-Version: 1.0 Content-Transfer-Encoding: base64 Return-path: In-Reply-To: Content-Language: en-US List-ID: Content-Type: text/plain; charset="windows-1252" To: 'Uros Bizjak' Cc: Dave Hansen , "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 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=