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=-3.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,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 E6C09C433DF for ; Thu, 27 Aug 2020 06:34:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B4286207BC for ; Thu, 27 Aug 2020 06:34:28 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="P4pIzY3C" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727781AbgH0GeZ (ORCPT ); Thu, 27 Aug 2020 02:34:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39946 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726395AbgH0GeY (ORCPT ); Thu, 27 Aug 2020 02:34:24 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 21199C061262; Wed, 26 Aug 2020 23:34:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=ZEAL8yhDmv2NOt8eGkltoZbbAq9aMUTNBk5Kd3S4jBM=; b=P4pIzY3CpH/94U0enuaerI0h69 /UQ6n1pRAhhMhmdU08FxcNMwhZsl7SaQTptgvn3rIleLvzXeN78/6B7w62uIi699Fvij7n19iozCa VPK2XhcZgNffEcuNji2JoHLRVvy6qQ3AVK31lf9w4ScqgWUNmCxIboj0ty4y6usPFvgQm4k6UeeAR xvCPPqr0OpAwiFt/xAUGEBqeHiFRYDfpDNCwXNzRy8YwuO1rivio9iFqbjMkDPcG6lTsIO3TEeRn9 TxUyPLL2jAw8dzv4Rg82GtWlsjUMDbW3cvHGep8uw3iSRcrEaOpYzP8HuyLT8/XmKAvrY8hr+GZHg XUNC14NA==; Received: from hch by casper.infradead.org with local (Exim 4.92.3 #3 (Red Hat Linux)) id 1kBBU6-0003d2-QG; Thu, 27 Aug 2020 06:34:06 +0000 Date: Thu, 27 Aug 2020 07:34:06 +0100 From: "hch@infradead.org" To: "Derrick, Jonathan" Cc: "kai.heng.feng@canonical.com" , "hch@infradead.org" , "wangxiongfeng2@huawei.com" , "kw@linux.com" , "hkallweit1@gmail.com" , "linux-kernel@vger.kernel.org" , "mika.westerberg@linux.intel.com" , "Mario.Limonciello@dell.com" , "linux-pci@vger.kernel.org" , "Williams, Dan J" , "bhelgaas@google.com" , "Huffman, Amber" , "Wysocki, Rafael J" Subject: Re: [PATCH] PCI/ASPM: Enable ASPM for links under VMD domain Message-ID: <20200827063406.GA13738@infradead.org> References: <20200821123222.32093-1-kai.heng.feng@canonical.com> <20200825062320.GA27116@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Aug 26, 2020 at 09:43:27PM +0000, Derrick, Jonathan wrote: > Feel free to review my set to disable the MSI remapping which will make > it perform as well as direct-attached: > > https://patchwork.kernel.org/project/linux-pci/list/?series=325681 So that then we have to deal with your schemes to make individual device direct assignment work in a convoluted way? Please just give us a disable nob for VMD, which solves _all_ these problems without adding any.