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Peter Anvin" CC: Thorsten Glaser , Peter Zijlstra , "x86@kernel.org" , "rostedt@goodmis.org" , "linux-kernel@vger.kernel.org" , "linux-toolchains@vger.kernel.org" , "jpoimboe@redhat.com" , "alexei.starovoitov@gmail.com" , "mhiramat@kernel.org" Subject: RE: [PATCH 1/2] x86: Remove dynamic NOP selection Thread-Topic: [PATCH 1/2] x86: Remove dynamic NOP selection Thread-Index: AQHaS8IuwT69O5ELs0iiEbIHzsHfJbDk29wg Date: Sun, 21 Jan 2024 22:36:32 +0000 Message-ID: References: <20210312113253.305040674@infradead.org> <20210312115749.065275711@infradead.org> In-Reply-To: Accept-Language: en-GB, en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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 RnJvbTogTGludXMgVG9ydmFsZHMNCj4gU2VudDogMjAgSmFudWFyeSAyMDI0IDE3OjAwDQouLi4N Cj4gQW5kIGlmIEkgYWRkICItciIgdG8gZ2V0IHJlbG9jYXRpb24gaW5mbywgSSBnZXQNCj4gDQo+ ICAgICAgICAgY2FsbCAgIDxkZWxheWVkX3B1dF90YXNrX3N0cnVjdCsweDFhPg0KPiAgICAgICAg ICAgICAgICAgICAgICAgICBSX1g4Nl82NF9QTFQzMiAgcmV0aG9va19mbHVzaF90YXNrLTB4NA0K PiANCj4gd2hpY2ggc2hvd3MgdGhlIHJhdyByZWxvY2F0aW9uIGRhdGEsIGJ1dCB3aXRoIHRydWx5 IG1pbmQtYm9nZ2xpbmdseQ0KPiBob3JyZW5kb3VzIHN5bnRheC4NCj4gDQo+IElzIHRoZXJlIHNv bWUgc2FuZSB0b29sIHRoYXQganVzdCBkb2VzIHRoZSBzYW5lIHRoaW5nIGFuZCBzaG93cyB0aGlz IGFzDQo+IA0KPiAgICAgICAgIGNhbGwgICByZXRob29rX2ZsdXNoX3Rhc2sNCj4gDQo+IHdoaWNo IGlzIHdoYXQgdGhlIHRoaW5nIGFjdHVhbGx5IG1lYW5zPw0KDQpXaGlsZSB5b3UgYXJlIHJlLXdy aXRpbmcgYSBkaXNhc3NlbWJsZXIsIHJlbWVtYmVyIHRvIHByaW50IHRoZQ0KY29udGVudHMgb2Yg c3RyaW5nIHdoZW4geW91IGdldCBhIHJlZmVyZW5jZSBpbnRvIC5yb2RhdGEuc3RyIDotKQ0KDQpI b3cgbWFueSB0aW1lcyBoYXZlIHlvdSBoYWQgdG8gZGlnIG91dCBhIHByaW50ZiBmb3JtYXQgc3Ry aW5nIGluDQpvcmRlciB0byBsb2NhdGUgdGhlIHNvdXJjZSBhc3NvY2lhdGVkIHdpdGggc29tZSBv YmplY3QgY29kZT8NCkl0IGlzIHNvIG11Y2ggZWFzaWVyIGlmIHRoZSBkaXNhc3NlbWJsZXIgZG9l cyBpdCBmb3IgeW91Lg0KDQoJRGF2aWQNCg0KLQ0KUmVnaXN0ZXJlZCBBZGRyZXNzIExha2VzaWRl LCBCcmFtbGV5IFJvYWQsIE1vdW50IEZhcm0sIE1pbHRvbiBLZXluZXMsIE1LMSAxUFQsIFVLDQpS ZWdpc3RyYXRpb24gTm86IDEzOTczODYgKFdhbGVzKQ0K