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=-8.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=ham 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 B0CFAC433DF for ; Wed, 26 Aug 2020 13:52:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8FBFF208E4 for ; Wed, 26 Aug 2020 13:52:04 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=amazon.com header.i=@amazon.com header.b="Yo6TpDWr" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730568AbgHZNwD (ORCPT ); Wed, 26 Aug 2020 09:52:03 -0400 Received: from smtp-fw-9101.amazon.com ([207.171.184.25]:49099 "EHLO smtp-fw-9101.amazon.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730450AbgHZNwA (ORCPT ); Wed, 26 Aug 2020 09:52:00 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.com; i=@amazon.com; q=dns/txt; s=amazon201209; t=1598449920; x=1629985920; h=subject:to:cc:references:from:message-id:date: mime-version:in-reply-to:content-transfer-encoding; bh=R/UiUNzpRC6vnoctXzbPpJl22XZf2dpsVm7NtJe6n4g=; b=Yo6TpDWroOZFM2I+bbzqxKo9c/mokN76clVs9lbB/f+VzQhXTMj0O5EN CqDvexjrjm6aT2gT574AcjeVyySF5U+6BZLV0VuQpXNGWYsD0wfNWzbNs IrrWAndZG7KprioUdxjRcFpszFR+sCsTk3RKGr1AbIH0YDKTSZGzgkkvR E=; X-IronPort-AV: E=Sophos;i="5.76,355,1592870400"; d="scan'208";a="62901837" Received: from sea32-co-svc-lb4-vlan3.sea.corp.amazon.com (HELO email-inbound-relay-2a-f14f4a47.us-west-2.amazon.com) ([10.47.23.38]) by smtp-border-fw-out-9101.sea19.amazon.com with ESMTP; 26 Aug 2020 13:51:24 +0000 Received: from EX13MTAUWC002.ant.amazon.com (pdx4-ws-svc-p6-lb7-vlan2.pdx.amazon.com [10.170.41.162]) by email-inbound-relay-2a-f14f4a47.us-west-2.amazon.com (Postfix) with ESMTPS id 0362BA2204; Wed, 26 Aug 2020 13:51:15 +0000 (UTC) Received: from EX13D20UWC001.ant.amazon.com (10.43.162.244) by EX13MTAUWC002.ant.amazon.com (10.43.162.240) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 26 Aug 2020 13:51:15 +0000 Received: from edge-m2-r3-214.e-iad50.amazon.com (10.43.160.229) by EX13D20UWC001.ant.amazon.com (10.43.162.244) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 26 Aug 2020 13:51:07 +0000 Subject: Re: [PATCH] x86/irq: Preserve vector in orig_ax for APIC code To: Josh Poimboeuf CC: X86 ML , Andy Lutomirski , "Thomas Gleixner" , 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 , Will Deacon , Tom Lendacky , Wei Liu , Michael Kelley , Jason Chen CJ , Zhao Yakui , "Peter Zijlstra (Intel)" , Avi Kivity , "Herrenschmidt, Benjamin" , , , Brian Gerst , References: <20200826115357.3049-1-graf@amazon.com> <20200826132210.k4pxphxvxuvb2fe6@treble> From: Alexander Graf Message-ID: <19292905-9cfc-ff36-217b-73b944e41442@amazon.com> Date: Wed, 26 Aug 2020 15:51:05 +0200 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.16; rv:78.0) Gecko/20100101 Thunderbird/78.1.1 MIME-Version: 1.0 In-Reply-To: <20200826132210.k4pxphxvxuvb2fe6@treble> Content-Language: en-US X-Originating-IP: [10.43.160.229] X-ClientProxiedBy: EX13D44UWB001.ant.amazon.com (10.43.161.32) To EX13D20UWC001.ant.amazon.com (10.43.162.244) Content-Type: text/plain; charset="utf-8"; format="flowed" Content-Transfer-Encoding: base64 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org CgpPbiAyNi4wOC4yMCAxNToyMiwgSm9zaCBQb2ltYm9ldWYgd3JvdGU6Cj4gCj4gT24gV2VkLCBB dWcgMjYsIDIwMjAgYXQgMDE6NTM6NTdQTSArMDIwMCwgQWxleGFuZGVyIEdyYWYgd3JvdGU6Cj4+ IC0ubWFjcm8gaWR0ZW50cnlfYm9keSBjZnVuYyBoYXNfZXJyb3JfY29kZTpyZXEKPj4gKy5tYWNy byBpZHRlbnRyeV9ib2R5IGNmdW5jIGhhc19lcnJvcl9jb2RlOnJlcSBwcmVzZXJ2ZV9lcnJvcl9j b2RlOnJlcQo+Pgo+PiAgICAgICAgY2FsbCAgICBlcnJvcl9lbnRyeQo+PiAgICAgICAgVU5XSU5E X0hJTlRfUkVHUwo+PiBAQCAtMzI4LDcgKzMyOCw5IEBAIFNZTV9DT0RFX0VORChyZXRfZnJvbV9m b3JrKQo+Pgo+PiAgICAgICAgLmlmIFxoYXNfZXJyb3JfY29kZSA9PSAxCj4+ICAgICAgICAgICAg ICAgIG1vdnEgICAgT1JJR19SQVgoJXJzcCksICVyc2kgICAgLyogZ2V0IGVycm9yIGNvZGUgaW50 byAybmQgYXJndW1lbnQqLwo+PiAtICAgICAgICAgICAgIG1vdnEgICAgJC0xLCBPUklHX1JBWCgl cnNwKSAgICAgLyogbm8gc3lzY2FsbCB0byByZXN0YXJ0ICovCj4+ICsgICAgICAgICAgICAgLmlm IFxwcmVzZXJ2ZV9lcnJvcl9jb2RlID09IDAKPj4gKyAgICAgICAgICAgICAgICAgICAgIG1vdnEg ICAgJC0xLCBPUklHX1JBWCglcnNwKSAgICAgLyogbm8gc3lzY2FsbCB0byByZXN0YXJ0ICovCj4+ ICsgICAgICAgICAgICAgLmVuZGlmCj4gCj4gV2hlbiBkb2VzIHRoaXMgaGFwcGVuIChoYXNfZXJy b3JfY29kZT0xICYmIHByZXNlcnZlX2Vycm9yX2NvZGU9MCk/ICBJCj4gZG9uJ3Qgc2VlIGFueSB1 c2VycyBvZiB0aGlzIG1hY3JvIChvciBpZHRlbnRyeSkgd2l0aCB0aGlzIGNvbWJpbmF0aW9uLgoK SXQncyB3ZWxsIGhpZGRlbiBpbiBhcmNoL3g4Ni9pbmNsdWRlL2FzbS9pZHRlbnRyeS5oOgoKI2Rl ZmluZSBERUNMQVJFX0lEVEVOVFJZX0VSUk9SQ09ERSh2ZWN0b3IsIGZ1bmMpICAgICAgICAgICAg ICAgICAgICAgICAgXAogICAgICAgICBpZHRlbnRyeSB2ZWN0b3IgYXNtXyMjZnVuYyBmdW5jIGhh c19lcnJvcl9jb2RlPTEKCi8qIFNpbXBsZSBleGNlcHRpb24gZW50cmllcyB3aXRoIGVycm9yIGNv ZGUgcHVzaGVkIGJ5IGhhcmR3YXJlICovCkRFQ0xBUkVfSURURU5UUllfRVJST1JDT0RFKFg4Nl9U UkFQX1RTLCBleGNfaW52YWxpZF90c3MpOwpERUNMQVJFX0lEVEVOVFJZX0VSUk9SQ09ERShYODZf VFJBUF9OUCwgZXhjX3NlZ21lbnRfbm90X3ByZXNlbnQpOwpERUNMQVJFX0lEVEVOVFJZX0VSUk9S Q09ERShYODZfVFJBUF9TUywgZXhjX3N0YWNrX3NlZ21lbnQpOwpERUNMQVJFX0lEVEVOVFJZX0VS Uk9SQ09ERShYODZfVFJBUF9HUCwgZXhjX2dlbmVyYWxfcHJvdGVjdGlvbik7CkRFQ0xBUkVfSURU RU5UUllfRVJST1JDT0RFKFg4Nl9UUkFQX0FDLCBleGNfYWxpZ25tZW50X2NoZWNrKTsKWy4uLl0K REVDTEFSRV9JRFRFTlRSWV9SQVdfRVJST1JDT0RFKFg4Nl9UUkFQX1BGLCAgICAgZXhjX3BhZ2Vf ZmF1bHQpOwoKCkFsZXgKCgoKQW1hem9uIERldmVsb3BtZW50IENlbnRlciBHZXJtYW55IEdtYkgK S3JhdXNlbnN0ci4gMzgKMTAxMTcgQmVybGluCkdlc2NoYWVmdHNmdWVocnVuZzogQ2hyaXN0aWFu IFNjaGxhZWdlciwgSm9uYXRoYW4gV2Vpc3MKRWluZ2V0cmFnZW4gYW0gQW10c2dlcmljaHQgQ2hh cmxvdHRlbmJ1cmcgdW50ZXIgSFJCIDE0OTE3MyBCClNpdHo6IEJlcmxpbgpVc3QtSUQ6IERFIDI4 OSAyMzcgODc5CgoK