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=-8.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable 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 7C4ECC433DB for ; Mon, 8 Feb 2021 16:32:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3B4F964E8F for ; Mon, 8 Feb 2021 16:32:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234363AbhBHQbk (ORCPT ); Mon, 8 Feb 2021 11:31:40 -0500 Received: from mga06.intel.com ([134.134.136.31]:19248 "EHLO mga06.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234385AbhBHQbf (ORCPT ); Mon, 8 Feb 2021 11:31:35 -0500 IronPort-SDR: w8A3dw0pUoqojApfa7isZPsccaizS7S10GYNQ9vNjmhsa2hgaNB0CTkWU89GeHCUpt8iWuQP/y H/9tNIvQED7Q== X-IronPort-AV: E=McAfee;i="6000,8403,9889"; a="243239018" X-IronPort-AV: E=Sophos;i="5.81,162,1610438400"; d="scan'208";a="243239018" Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Feb 2021 08:30:50 -0800 IronPort-SDR: 8i4vN7cHtGmxFxqlQtWG8JmDoVMk+L7DpLAWuf9/p1Vo9HDd/nPHZeMM7DpX2E/L/Br0bHGXsN HW9Bxh8z05XQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.81,162,1610438400"; d="scan'208";a="435683959" Received: from fmsmsx601.amr.corp.intel.com ([10.18.126.81]) by orsmga001.jf.intel.com with ESMTP; 08 Feb 2021 08:30:50 -0800 Received: from fmsmsx611.amr.corp.intel.com (10.18.126.91) by fmsmsx601.amr.corp.intel.com (10.18.126.81) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2106.2; Mon, 8 Feb 2021 08:30:49 -0800 Received: from fmsmsx610.amr.corp.intel.com (10.18.126.90) by fmsmsx611.amr.corp.intel.com (10.18.126.91) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2106.2; Mon, 8 Feb 2021 08:30:48 -0800 Received: from fmsmsx610.amr.corp.intel.com ([10.18.126.90]) by fmsmsx610.amr.corp.intel.com ([10.18.126.90]) with mapi id 15.01.2106.002; Mon, 8 Feb 2021 08:30:48 -0800 From: "Derrick, Jonathan" To: "kw@linux.com" CC: "joro@8bytes.org" , "Patel, Nirmal" , "baolu.lu@linux.intel.com" , "iommu@lists.linux-foundation.org" , "lorenzo.pieralisi@arm.com" , "jroedel@suse.de" , "Karkra, Kapil" , "helgaas@kernel.org" , "linux-pci@vger.kernel.org" Subject: Re: [PATCH v3 2/2] PCI: vmd: Disable MSI-X remapping when possible Thread-Topic: [PATCH v3 2/2] PCI: vmd: Disable MSI-X remapping when possible Thread-Index: AQHW/DkUNvX+5gOMpEiNiIzEbeMxXqpOxWOAgAA3ygA= Date: Mon, 8 Feb 2021 16:30:48 +0000 Message-ID: <37b6f55d6fad77d7536890a540ecf5369f8de0a9.camel@intel.com> References: <20210206033502.103964-1-jonathan.derrick@intel.com> <20210206033502.103964-3-jonathan.derrick@intel.com> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.1.200.100] Content-Type: text/plain; charset="utf-8" Content-ID: Content-Transfer-Encoding: base64 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org SGkgS3J6eXN6dG9mLA0KDQpPbiBNb24sIDIwMjEtMDItMDggYXQgMTQ6MTEgKzAxMDAsIEtyenlz enRvZiBXaWxjennFhHNraSB3cm90ZToNCj4gSGkgSm9uLA0KPiANCj4gVGhhbmsgeW91IGZvciBh bGwgdGhlIHdvcmsgaGVyZSENCj4gDQo+IEp1c3QgYSBudW1iZXIgb2Ygc3VnZ2VzdGlvbnMsIG1h aW5seSBuaXRwaWNrcywgc28gZmVlbCBmcmVlIHRvIGlnbm9yZQ0KPiB0aGVzZSwgb2YgY291cnNl Lg0KPiANCj4gWy4uLl0NCj4gPiArI2RlZmluZSBWTUNGR19NU0lfUk1QX0RJUwkweDINCj4gWy4u Ll0NCj4gDQo+IFdoYXQgYWJvdXQgY2FsbGluZyB0aGlzIFZNQ09ORklHX01TSV9SRU1BUCBzbyB0 aGF0IGlzIG1vcmUNCj4gc2VsZi1leHBsYW5hdG9yeSAoaXQgYWxzbyBzaGFyZXMgc29tZSBzaW1p bGFyaXR5IHdpdGggdGhlDQo+IFBDSV9SRUdfVk1DT05GSUcgZGVmaW50aXRpb24pLg0KPiANCj4g Wy4uLl0NCj4gPiArCVZNRF9GRUFUX0JZUEFTU19NU0lfUkVNQVAJCT0gKDEgPDwgNCksDQo+IFsu Li5dDQo+IA0KPiBGb2xsb3dpbmcgb24gdGhlIG5hbWluZyB0aGF0IGluY2x1ZGVkICJIQVMiIHRv IGluZGljYXRlIGEgZmVhdHVyZSAob3INCj4gc3VwcG9ydCBmb3IgdGhlcmVvZiksIHBlcmhhcHMg d2UgY291bGQgbmFtZSB0aGlzIGFzLCBmb3IgZXhhbXBsZToNCj4gDQo+IAlWTURfRkVBVF9DQU5f QllQQVNTX01TSV9SRU1BUA0KPiANCj4gV2hhdCBkbyB5b3UgdGhpbms/DQpTdXJlDQoNCj4gDQo+ IFsuLi5dIA0KPiA+ICtzdGF0aWMgdm9pZCB2bWRfZW5hYmxlX21zaV9yZW1hcHBpbmcoc3RydWN0 IHZtZF9kZXYgKnZtZCwgYm9vbCBlbmFibGUpDQo+ID4gK3sNCj4gPiArCXUxNiByZWc7DQo+ID4g Kw0KPiA+ICsJcGNpX3JlYWRfY29uZmlnX3dvcmQodm1kLT5kZXYsIFBDSV9SRUdfVk1DT05GSUcs ICZyZWcpOw0KPiA+ICsJcmVnID0gZW5hYmxlID8gKHJlZyAmIH5WTUNGR19NU0lfUk1QX0RJUykg OiAocmVnIHwgVk1DRkdfTVNJX1JNUF9ESVMpOw0KPiA+ICsJcGNpX3dyaXRlX2NvbmZpZ193b3Jk KHZtZC0+ZGV2LCBQQ0lfUkVHX1ZNQ09ORklHLCByZWcpOw0KPiA+ICt9DQo+IA0KPiBJIHdvbmRl ciBpZiBjYWxsaW5nIHRoaXMgZnVuY3Rpb24gdm1kX3NldF9tc2lfcmVtYXBwaW5nKCkgd291bGQg YmUgbW9yZQ0KPiBhbGlnbmVkIHdpdGggd2hhdCBpdCBkb2VzLCBzaW5jZSBpdCB0dXJucyB0aGUg TVNJIHJlbWFwcGluZyBzdXBwb3J0IG9uDQo+IGFuZCBvZmYsIHNvIHRvIHNwZWFrLCBhcyBuZWVk ZWQuICBEbyB5b3UgdGhpbmsgdGhpcyB3b3VsZCBiZSBPSyB0byBkbz8NCj4gDQpZZXMgdGhhdCBt YWtlcyBzZW5zZQ0KDQo+IFsuLi5dDQo+ID4gKwkJLyoNCj4gPiArCQkgKiBPdmVycmlkZSB0aGUg aXJxIGRvbWFpbiBidXMgdG9rZW4gc28gdGhlIGRvbWFpbiBjYW4gYmUNCj4gPiArCQkgKiBkaXN0 aW5ndWlzaGVkIGZyb20gYSByZWd1bGFyIFBDSS9NU0kgZG9tYWluLg0KPiA+ICsJCSAqLw0KPiAN Cj4gSXQgd291bGQgYmUgIklSUSIgaGVyZS4NCj4gDQpObyBwcm9ibGVtIQ0KDQoNCj4gUmV2aWV3 ZWQtYnk6IEtyenlzenRvZiBXaWxjennFhHNraSA8a3dAbGludXguY29tPg0KPiANClRoYW5rcyEN Cg0KPiBLcnp5c3p0b2YNCg==