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 D8017C433DF for ; Thu, 27 Aug 2020 08:31:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B6D2C22B47 for ; Thu, 27 Aug 2020 08:31:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728134AbgH0Ibe (ORCPT ); Thu, 27 Aug 2020 04:31:34 -0400 Received: from eu-smtp-delivery-151.mimecast.com ([207.82.80.151]:23628 "EHLO eu-smtp-delivery-151.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726938AbgH0Ibd (ORCPT ); Thu, 27 Aug 2020 04:31:33 -0400 Received: from AcuMS.aculab.com (156.67.243.126 [156.67.243.126]) (Using TLS) by relay.mimecast.com with ESMTP id uk-mta-64-r33Q5FlvO0ymSv-cNb_SXQ-1; Thu, 27 Aug 2020 09:31:29 +0100 X-MC-Unique: r33Q5FlvO0ymSv-cNb_SXQ-1 Received: from AcuMS.Aculab.com (fd9f:af1c:a25b:0:43c:695e:880f:8750) by AcuMS.aculab.com (fd9f:af1c:a25b:0:43c:695e:880f:8750) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Thu, 27 Aug 2020 09:31:28 +0100 Received: from AcuMS.Aculab.com ([fe80::43c:695e:880f:8750]) by AcuMS.aculab.com ([fe80::43c:695e:880f:8750%12]) with mapi id 15.00.1347.000; Thu, 27 Aug 2020 09:31:28 +0100 From: David Laight To: 'Alexander Graf' , 'Thomas Gleixner' , 'X86 ML' CC: 'Andy Lutomirski' , 'LKML' , 'Andrew Cooper' , "'Paul E. McKenney'" , 'Alexandre Chartre' , 'Frederic Weisbecker' , 'Paolo Bonzini' , 'Sean Christopherson' , 'Masami Hiramatsu' , 'Petr Mladek' , 'Steven Rostedt' , 'Joel Fernandes' , 'Boris Ostrovsky' , 'Juergen Gross' , "'Mathieu Desnoyers'" , 'Josh Poimboeuf' , 'Will Deacon' , 'Tom Lendacky' , 'Wei Liu' , 'Michael Kelley' , 'Jason Chen CJ' , "'Zhao Yakui'" , "'Peter Zijlstra (Intel)'" , 'Avi Kivity' , "'Herrenschmidt, Benjamin'" , "'robketr@amazon.de'" , "'amos@scylladb.com'" , 'Brian Gerst' , "'stable@vger.kernel.org'" , 'Alex bykov' Subject: RE: x86/irq: Unbreak interrupt affinity setting Thread-Topic: x86/irq: Unbreak interrupt affinity setting Thread-Index: AQHWe+aKb+AhwM2rPkq6/MK3Hcp5nKlK5iEAgAAGXqCAAAItAIAAsfPQ Date: Thu, 27 Aug 2020 08:31:28 +0000 Message-ID: <5943d64220ee457b82f9a61fe17318e9@AcuMS.aculab.com> References: <20200826115357.3049-1-graf@amazon.com> <87k0xlv5w5.fsf@nanos.tec.linutronix.de> <87blixuuny.fsf@nanos.tec.linutronix.de> <873649utm4.fsf@nanos.tec.linutronix.de> <87wo1ltaxz.fsf@nanos.tec.linutronix.de> <42ae8716e425495c964ae7372bd7ff52@AcuMS.aculab.com> <014fd671-73c1-97f3-cc92-73c2cf9576af@amazon.com> In-Reply-To: <014fd671-73c1-97f3-cc92-73c2cf9576af@amazon.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: 0.001 X-Mimecast-Originator: aculab.com Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: base64 Content-Language: en-US Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org RnJvbTogQWxleGFuZGVyIEdyYWYNCj4gU2VudDogMjYgQXVndXN0IDIwMjAgMjM6NTMNCj4gDQo+ IE9uIDI2LjA4LjIwIDIzOjQ3LCBEYXZpZCBMYWlnaHQgd3JvdGU6DQo+ID4NCj4gPiBGcm9tOiBE YXZpZCBMYWlnaHQNCj4gPj4gU2VudDogMjYgQXVndXN0IDIwMjAgMjI6MzcNCj4gPj4NCj4gPj4g RnJvbTogVGhvbWFzIEdsZWl4bmVyDQo+ID4+PiBTZW50OiAyNiBBdWd1c3QgMjAyMCAyMToyMg0K PiA+PiAuLi4NCj4gPj4+IE1vdmluZyBpbnRlcnJ1cHRzIG9uIHg4NiBoYXBwZW5zIGluIHNldmVy YWwgc3RlcHMuIEEgbmV3IHZlY3RvciBvbiBhDQo+ID4+PiBkaWZmZXJlbnQgQ1BVIGlzIGFsbG9j YXRlZCBhbmQgdGhlIHJlbGV2YW50IGludGVycnVwdCBzb3VyY2UgaXMNCj4gPj4+IHJlcHJvZ3Jh bW1lZCB0byB0aGF0LiBCdXQgdGhhdCdzIHJhY3kgYW5kIHRoZXJlIG1pZ2h0IGJlIGFuIGludGVy cnVwdA0KPiA+Pj4gYWxyZWFkeSBpbiBmbGlnaHQgdG8gdGhlIG9sZCB2ZWN0b3IuIFNvIHRoZSBv bGQgdmVjdG9yIGlzIHByZXNlcnZlZCB1bnRpbA0KPiA+Pj4gdGhlIGZpcnN0IGludGVycnVwdCBh cnJpdmVzIG9uIHRoZSBuZXcgdmVjdG9yIGFuZCB0aGUgbmV3IHRhcmdldCBDUFUuIE9uY2UNCj4g Pj4+IHRoYXQgaGFwcGVucyB0aGUgb2xkIHZlY3RvciBpcyBjbGVhbmVkIHVwLCBidXQgdGhpcyBj bGVhbnVwIHN0aWxsIGRlcGVuZHMNCj4gPj4+IG9uIHRoZSB2ZWN0b3IgbnVtYmVyIGJlaW5nIHN0 b3JlZCBpbiBwdF9yZWdzOjpvcmlnX2F4LCB3aGljaCBpcyBub3cgLTEuDQo+ID4+DQo+ID4+IEkg c3VzcGVjdCB0aGF0IGl0IGlzIG11Y2ggbW9yZSAncmFjeScgdGhhbiB0aGF0IGZvciBQQ0ktWCBp bnRlcnJ1cHRzLg0KPiA+PiBPbiB0aGUgaGFyZHdhcmUgc2lkZSB0aGVyZSBpcyBhbiBpbnRlcnJ1 cHQgZGlzYWJsZSBiaXQsIGFuZCBhZGRyZXNzDQo+ID4+IGFuZCBhIHZhbHVlLg0KPiA+PiBUbyBy YWlzZSBhbiBpbnRlcnJ1cHQgdGhlIGhhcmR3YXJlIG11c3Qgd3JpdGUgdGhlIHZhbHVlIHRvIHRo ZSBhZGRyZXNzLg0KPiA+Pg0KPiA+PiBJZiB0aGUgY3B1IG5lZWRzIHRvIG1vdmUgYW4gaW50ZXJy dXB0IGJvdGggdGhlIGFkZHJlc3MgYW5kIHZhbHVlDQo+ID4+IG5lZWQgY2hhbmdpbmcsIGJ1dCB0 aGUgY3B1IHdvbnQgd3JpdGUgdGhlIGFkZHJlc3MgYW5kIHZhbHVlIHVzaW5nDQo+ID4+IHRoZSBz YW1lIFRMUCwgc28gdGhlIGhhcmR3YXJlIGNvdWxkIHBvdGVudGlhbGx5IHdyaXRlIGEgdmFsdWUg dG8NCj4gPj4gdGhlIHdyb25nIGFkZHJlc3MuDQo+ID4+IFdvcnNlIHRoYW4gdGhhdCwgdGhlIGhh cmR3YXJlIGNvdWxkIGVhc2lseSBvbmx5IGxvb2sgYXQgdGhlIGFkZHJlc3MNCj4gPj4gYW5kIHZh bHVlIGluIHRoZSBjbG9ja3MgYWZ0ZXIgY2hlY2tpbmcgdGhlIGludGVycnVwdCBpcyBlbmFibGVk Lg0KPiA+PiBTbyBtYXNraW5nIHRoZSBpbnRlcnJ1cHQgaW1tZWRpYXRlbHkgcHJpb3IgdG8gY2hh bmdpbmcgdGhlIHZlY3Rvcg0KPiA+PiBpbmZvIG1heSBub3QgYmUgZW5vdWdoLg0KPiA+Pg0KPiA+ PiBJdCBpcyBsaWtlbHkgdGhhdCBhIHJlYWQtYmFjayBvZiB0aGUgbWFzayBiZWZvcmUgdXBkYXRp bmcgdGhlIHZlY3Rvcg0KPiA+PiBpcyBlbm91Z2guDQo+ID4NCj4gPiBCdXQgbm90IGVub3VnaCB0 byBhc3N1bWUgeW91IHdvbid0IHJlY2VpdmUgYW4gaW50ZXJydXB0IGFmdGVyIHJlYWRpbmcNCj4g PiBiYWNrIHRoYXQgaW50ZXJydXB0cyBhcmUgbWFza2VkLg0KPiA+DQo+ID4gKEkndmUgaW1wbGVt ZW50ZWQgdGhlIGhhcmR3YXJlIHNpZGUgZm9yIGFuIGZwZ2EgLi4uKQ0KPiANCj4gRG8gd2UgYWN0 dWFsbHkgY2FyZSBpbiB0aGlzIGNvbnRleHQ/IEFsbCB3ZSB3YW50IHRvIGtub3cgaGVyZSBpcyB3 aGV0aGVyDQo+IGEgZGV2aWNlIChvciBpcnFjaGlwIGluIGJldHdlZW4pIGhhcyBhY3R1YWxseSBu b3RpY2VkIHRoYXQgaXQgc2hvdWxkDQo+IHBvc3QgdG8gYSBuZXcgdmVjdG9yLiBJZiB3ZSBnZXQg aW50ZXJydXB0cyBvbiByYW5kb20gb3RoZXIgdmVjdG9ycyBpbg0KPiBiZXR3ZWVuLCB0aGV5IHdv dWxkIHNpbXBseSBzaG93IHVwIGFzIHNwdXJpb3VzLCBubz8NCj4gDQo+IFNvIEkgZG9uJ3QgcXVp dGUgc2VlIHdoZXJlIHRoaXMgcGF0Y2ggbWFrZXMgdGhlIHNpdHVhdGlvbiBhbnkgd29yc2UgdGhh bg0KPiBiZWZvcmUuDQoNCk9oLCBpdCB3b24ndCBtYWtlIGl0IGFueSB3b3JzZS4NCkl0IGp1c3Qg bWlnaHQgYmUgcmF0aGVyIHdvcnNlIHRoYW4gYW55b25lIGltYWdpbmVkLg0KDQoJRGF2aWQNCg0K LQ0KUmVnaXN0ZXJlZCBBZGRyZXNzIExha2VzaWRlLCBCcmFtbGV5IFJvYWQsIE1vdW50IEZhcm0s IE1pbHRvbiBLZXluZXMsIE1LMSAxUFQsIFVLDQpSZWdpc3RyYXRpb24gTm86IDEzOTczODYgKFdh bGVzKQ0K