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 X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7002AC433ED for ; Sat, 10 Apr 2021 12:45:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3763A610F9 for ; Sat, 10 Apr 2021 12:45:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234373AbhDJMpN (ORCPT ); Sat, 10 Apr 2021 08:45:13 -0400 Received: from eu-smtp-delivery-151.mimecast.com ([185.58.86.151]:54895 "EHLO eu-smtp-delivery-151.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234091AbhDJMpN (ORCPT ); Sat, 10 Apr 2021 08:45:13 -0400 Received: from AcuMS.aculab.com (156.67.243.121 [156.67.243.121]) (Using TLS) by relay.mimecast.com with ESMTP id uk-mta-265-ddWTUGa6MeiYCKVuvWi_EA-1; Sat, 10 Apr 2021 13:44:56 +0100 X-MC-Unique: ddWTUGa6MeiYCKVuvWi_EA-1 Received: from AcuMS.Aculab.com (fd9f:af1c:a25b:0:994c:f5c2:35d6:9b65) by AcuMS.aculab.com (fd9f:af1c:a25b:0:994c:f5c2:35d6:9b65) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Sat, 10 Apr 2021 13:44:55 +0100 Received: from AcuMS.Aculab.com ([fe80::994c:f5c2:35d6:9b65]) by AcuMS.aculab.com ([fe80::994c:f5c2:35d6:9b65%12]) with mapi id 15.00.1497.012; Sat, 10 Apr 2021 13:44:55 +0100 From: David Laight To: 'David Malcolm' , Peter Zijlstra CC: Ard Biesheuvel , "linux-toolchains@vger.kernel.org" , Linux Kernel Mailing List , Josh Poimboeuf , "Jason Baron" , "Steven Rostedt (VMware)" Subject: RE: static_branch/jump_label vs branch merging Thread-Topic: static_branch/jump_label vs branch merging Thread-Index: AQHXLUcPoLE1E+ToRECqr0r/4koSQqqtr8wQ Date: Sat, 10 Apr 2021 12:44:55 +0000 Message-ID: <0a2e658a936a4b7788b23c57ff37119b@AcuMS.aculab.com> References: <5f78b7e2f9ae937271ef52ee9e999a91c2719da9.camel@redhat.com> <3c062f70ffef2dcd48a661f7c8162fb8fbaf6869.camel@redhat.com> In-Reply-To: <3c062f70ffef2dcd48a661f7c8162fb8fbaf6869.camel@redhat.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 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=C51A453 smtp.mailfrom=david.laight@aculab.com 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-toolchains@vger.kernel.org RnJvbTogRGF2aWQgTWFsY29sbQ0KPiBTZW50OiAwOSBBcHJpbCAyMDIxIDE0OjQ5DQouLi4NCj4g V2l0aCB0aGUgY2F2ZWF0IHRoYXQgbXkga25vd2xlZGdlIG9mIEdDQydzIG1pZGRsZS1lbmQgaXMg bW9zdGx5IGFib3V0DQo+IGltcGxlbWVudGluZyB3YXJuaW5ncywgcmF0aGVyIHRoYW4gb3B0aW1p emF0aW9uLCBJIGRpZCBzb21lDQo+IGV4cGVyaW1lbnRhdGlvbiwgd2l0aCBnY2MgdHJ1bmsgb24g eDg2XzY0IEZXSVcuDQo+IA0KPiBHaXZlbjoNCj4gDQo+IGludCBfX2F0dHJpYnV0ZV9fKChwdXJl KSkgZm9vKHZvaWQpOw0KPiANCj4gaW50IHQodm9pZCkNCj4gew0KPiAgIGludCBhOw0KICAgICAg ICAgICA9IDA7DQo+ICAgaWYgKGZvbygpKQ0KPiAgICAgYSsrOw0KPiAgIGlmIChmb28oKSkNCj4g ICAgIGErKzsNCj4gICBpZiAoZm9vKCkpDQo+ICAgICBhKys7DQo+ICAgcmV0dXJuIGE7DQo+IH0N Cj4gDQo+IEF0IC1PMSBhbmQgYWJvdmUgdGhpcyBpcyBvcHRpbWl6ZWQgdG8gYSBzaW5nbGUgY2Fs bCB0byBmb28sIHJldHVybmluZyAwDQo+IG9yIDMgYWNjb3JkaW5nbHkuDQoNCkludGVyZXN0aW5n IGhvcnJpZCBpZGVhLg0KVGhlIGNvZGUgZ2VuZXJhdGVkIGZvciB0aGUgYWJvdmUgc2hvdWxkIGJl Og0KCWNhbGwJZm9vDQoJanoJbGFiZWwNClNvIG9ianRvb2wgY291bGQgZmluZCB0aGUgcmVsb2Nh dGlvbiBlbnRyaWVzIGZvciAnZm9vJw0KYW5kIHVzZSB0aGF0IGluZm9ybWF0aW9uIHRvIHJlcGxh Y2UgdGhlIGNhbGwgaW5zdHJ1Y3Rpb24NCihhbmQgbWF5YmUgdGhlIGp6KSB3aXRoIGEgc3VpdGFi bGUgYWx0ZXJuYXRlIGluc3RydWN0aW9uDQpzZXF1ZW5jZS4NCg0KQWx0aG91Z2ggdGhhdCBtaWdo dCBlbmQgdXAgd2l0aCBhIGdhbWUgb2YgJ3doYWNrLWEtbW9sZScNCm9uIHRoZSBwZXJ2ZXJzZSBp bnN0cnVjdGlvbiBzZXF1ZW5jZXMgdGhlIGNvbXBpbGVyDQpnZW5lcmF0ZXMuDQoNCglEYXZpZA0K DQotDQpSZWdpc3RlcmVkIEFkZHJlc3MgTGFrZXNpZGUsIEJyYW1sZXkgUm9hZCwgTW91bnQgRmFy bSwgTWlsdG9uIEtleW5lcywgTUsxIDFQVCwgVUsNClJlZ2lzdHJhdGlvbiBObzogMTM5NzM4NiAo V2FsZXMpDQo=