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 Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 1F79FC282DE for ; Thu, 6 Mar 2025 08:48:35 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.903155.1311135 (Exim 4.92) (envelope-from ) id 1tq6tt-0000Os-7B; Thu, 06 Mar 2025 08:48:17 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 903155.1311135; Thu, 06 Mar 2025 08:48:17 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1tq6tt-0000Ol-46; Thu, 06 Mar 2025 08:48:17 +0000 Received: by outflank-mailman (input) for mailman id 903155; Thu, 06 Mar 2025 08:48:16 +0000 Received: from se1-gles-sth1-in.inumbo.com ([159.253.27.254] helo=se1-gles-sth1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1tq6ts-0000Of-Bw for xen-devel@lists.xenproject.org; Thu, 06 Mar 2025 08:48:16 +0000 Received: from mail-pj1-x1030.google.com (mail-pj1-x1030.google.com [2607:f8b0:4864:20::1030]) by se1-gles-sth1.inumbo.com (Halon) with ESMTPS id bda4f330-fa67-11ef-9ab4-95dc52dad729; Thu, 06 Mar 2025 09:48:15 +0100 (CET) Received: by mail-pj1-x1030.google.com with SMTP id 98e67ed59e1d1-2fa8ada6662so901360a91.1 for ; Thu, 06 Mar 2025 00:48:15 -0800 (PST) Received: from localhost ([84.78.159.3]) by smtp.gmail.com with UTF8SMTPSA id 98e67ed59e1d1-2ff6933b039sm727306a91.1.2025.03.06.00.48.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 06 Mar 2025 00:48:13 -0800 (PST) X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: bda4f330-fa67-11ef-9ab4-95dc52dad729 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=citrix.com; s=google; t=1741250893; x=1741855693; darn=lists.xenproject.org; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=w4k+jXFhr9NDIRUmOU/UyvLqGcx7hV3cHJqh3EvrMGk=; b=OLz8sSN2Eudd71Humn+PRjSH+Y7Q2cEa6YRGynffK/DybVsQSMeYGzmCCrKqFibGt5 qkmCSVUCR3fhkGpk8KncOMd1N3zZjVCuYcs39+9lmgGNIXLsxyumXH/YYPHJrUe/gzf9 OWL4fPW5SZlo8Y0xk12HJw5Mz6hW2aNkoykyI= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1741250893; x=1741855693; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=w4k+jXFhr9NDIRUmOU/UyvLqGcx7hV3cHJqh3EvrMGk=; b=Qy2iPWtD/TpBztoPK5dDwoogGNjqLUq6U8e9WOaRK1qJMV9P+wIJBiAQuJzsCd9LW+ rJ+KVU6RgWWzXyeh/MzBAaf+eKfR2wI4bExEmJFKiPTx+pwRhwHv7bEHYnXWic+D1Jho SLR59yYuybJzABsvMzg8s9sP9BbWWGyL/zSWXFfVlsk1xNdXydq8KCObiRXRKY7k94/M smy+SI4GuFxFUVQVhi1Sm7gJirkbEooAahFJBKW8qwL3yQieOvQK44wG2whAWZ27lWap +bDSEDrvLZIO44tfFv0imdWUCFEfXYKp6Y/OdMFh0gbsj5Y6bd20v4pbEeANC2gvUVpg qN+g== X-Forwarded-Encrypted: i=1; AJvYcCW6ROWQOqaLHMr6rFb3bniw+apbfG3me3S2EFe15X/Q2uBMBs/egqux67kd3X/mZHgbFWGAkwIItPY=@lists.xenproject.org X-Gm-Message-State: AOJu0YzXNfaVrGAq9DGSwuXD/YpFY5GLjXoX6UGKKfJc8abgO+FGjgZ7 K3kL5/gEV6WaWaZoLcg+jI+adxbqymrGt88OugEmEroGqRZZOn0G64gG9dP1nOQ= X-Gm-Gg: ASbGncvM15xEWWwAMIQ0K5GkW20Wj/p264Jh3aajyHDT2F8i5Zf0RG2HdcTIdAQ2enb OIkKonZqbSssJTvf/KAcq2QJrVaHQXJEzA12HxOKODOUGgvfpkpHP2AVU8Si8iK0RjBFBeq+UZw p9oSJWm70JtoA4JanIND6LocG0mk0jmoPmSiOWRwhYKjAWn2BmvHBfGTZo1VwXu44qW56lFVIx1 EVqviks0U7X993/7DmcxMPSLiNn3zJZb3g722h/zhiBtTPcZr/g8uL7LhxqV8IYYB/45i3I5ZE5 VX958e1goZ6YZYMV4xzOfT74aReHFSCUyEQnozJrGWadAZ/mNg== X-Google-Smtp-Source: AGHT+IFzZ0vFCL7WbpviFO4L9vuMIRkk6grLTKfpSaA2lbSdMUSiTAorLN0JYGBYyPjaalZWK0RreA== X-Received: by 2002:a17:90b:524f:b0:2fe:ba82:ca5 with SMTP id 98e67ed59e1d1-2ff497283aamr10783848a91.11.1741250893553; Thu, 06 Mar 2025 00:48:13 -0800 (PST) Date: Thu, 6 Mar 2025 09:48:07 +0100 From: Roger Pau =?utf-8?B?TW9ubsOp?= To: Nirmal Patel , Bjorn Helgaas , Juergen Gross Cc: linux-kernel@vger.kernel.org, xen-devel@lists.xenproject.org Subject: Re: [PATCH v3 0/3] xen: Fix usage of devices behind a VMD bridge Message-ID: References: <20250219092059.90850-1-roger.pau@citrix.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20250219092059.90850-1-roger.pau@citrix.com> Hello, I've attempted to ping Nirmal directly on the VMD patch, but got no reply so far. First version of this series was posted on 10/01, yet there hasn't been any feedback from Nirmal. Would it be possible to merge this without Nirmal Ack due to timeout? It's not even a new feature, just a bugfix that allows running with VMD devices when using Xen. Thanks, Roger. On Wed, Feb 19, 2025 at 10:20:54AM +0100, Roger Pau Monne wrote: > Hello, > > The following series should fix the usage of devices behind a VMD bridge > when running Linux as a Xen PV hardware domain (dom0). I've only been > able to test PV. I think PVH should also work but I don't have hardware > capable of testing it right now. > > I don't expect the first two patches to be problematic, the last patch > is likely to be more controversial. I've tested it internally and > didn't see any issues, but my testing of PV mode is mostly limited to > dom0. > > Thanks, Roger. > > Roger Pau Monne (3): > xen/pci: Do not register devices with segments >= 0x10000 > PCI: vmd: Disable MSI remapping bypass under Xen > PCI/MSI: Convert pci_msi_ignore_mask to per MSI domain flag > > arch/x86/pci/xen.c | 8 ++------ > drivers/pci/controller/vmd.c | 20 +++++++++++++++++++ > drivers/pci/msi/msi.c | 37 ++++++++++++++++++++---------------- > drivers/xen/pci.c | 32 +++++++++++++++++++++++++++++++ > include/linux/msi.h | 3 ++- > kernel/irq/msi.c | 2 +- > 6 files changed, 78 insertions(+), 24 deletions(-) > > -- > 2.46.0 >