From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pj1-f52.google.com (mail-pj1-f52.google.com [209.85.216.52]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4F2E820896C for ; Thu, 6 Mar 2025 08:48:14 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.216.52 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741250895; cv=none; b=f4KONTa3aK5Uo7iXgQ4h2ZJPKh6BGa5k4TKZWE0hdXgl9Zs4LV7T4Wxje0nqYzCOLOcxQASbVIdnbku1YQVXD3vpNM7wM5jhqCYTVyMgQHdCBgdTmYXZnl+KzRBtA6wDcyQsqvv1BQR34C9928BBlBshtaVUmJbJazd/I72Hg+g= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741250895; c=relaxed/simple; bh=eN2UxJs/P0sNcKbeYZx5A6ber95WpSjYnmsGggEt1+U=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=hRH0mK6SqGOK5XON9jC6jML9TRnioc96aRi+/ZYTlbgGYtAaUxzAUYxQOxyhfC6Lb5gpI9aW4KmkLqG5X5/WKhDvXvmBv24WiO0EAfQwJ2tLvTIVy8660+JSygVpbIE/ewfuxVv9ua/G9A7AIeXxGxw6PiHGgjjtzgDhSVvuxpA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=citrix.com; spf=pass smtp.mailfrom=cloud.com; dkim=pass (1024-bit key) header.d=citrix.com header.i=@citrix.com header.b=jjqyJYr3; arc=none smtp.client-ip=209.85.216.52 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=citrix.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=cloud.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=citrix.com header.i=@citrix.com header.b="jjqyJYr3" Received: by mail-pj1-f52.google.com with SMTP id 98e67ed59e1d1-2ff6cf448b8so326829a91.3 for ; Thu, 06 Mar 2025 00:48:14 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=citrix.com; s=google; t=1741250893; x=1741855693; darn=vger.kernel.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=jjqyJYr3BZ2t+TXJRZksijLIUHO9KQVi+rASpiLxjcieoe84XmIDYaR3WXCAPOBTJy UyqZV++9uyWRP0DOEpTIUgv1ftKbXH4HnIhd4tCpKqCDPWlmyKIokgPKo87aKdis3nC4 5SXmwax1sJcACkem++Gr3d3A8A62Q2SxSo2XU= 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=XA4gLErreFhgBV6BoSAcQUaUfjXPcQArQLOwCkPPdsT3F3dfk39xjoIliXnwOP5rJ4 Nth7TAcHfuX1frYZHMStP1ZE+f4PyX/Bx7Hp16Zl3Ht8n2jLWaksyb3qekNXqe32U/ls GDnI3H+ICHnlbH1ZqF1ouzXf4OuZApI70F29DgZE1fckJ4uKBmgjWAn5nFPqDcD05aAW inkXJYHlLn1NRC9sULb7Yl+NwkKrfQ+SWyNQe7BfqG+nXEyYNfOUPAe/2XUq30v6Dlk8 HUUM0mQ3Jz/L4wCZk+P3+NA3463TH37PB8L2xWsRMaLVUoQdgBx+UrC74zgxNHa+Icnb 6rkA== X-Gm-Message-State: AOJu0YzSZ1qTt8vldBtZr5gF7M8OMgY1q+NxITUcNJk/dpIUoviJEst6 v/tqInhvDHBhDhv9PaluQwVAMR92fS25fUlk9LZt/9urDmFt37Uho9IOiz4oRFs= X-Gm-Gg: ASbGncsEGAQSwSFDF7qV/6mpDf5Ulxr3ANCGVSGg69k5rokW4Rf1gtq6LGdsgBxWZ2V qbRCrMSkJrk3vuiPcwXw6p5DLk5b63jKHjjJ3t7pqenUHizTHK2qbZLzGns/o2OxQzm4NVTF/Gw 3Lbrqf50y78lVhF5r/92gMNfBYFS3JjeytEoqY2rHyaCNEQw4EWcsqxiuenCrF1e46/ewRD6kHS CQBe9+T4v2GeX5Oee90gyRXdZ4+bKSmx5BgyJeW2vbkAgr1IF6QCiWiSZUYF0832PLPDDcvddlA mqlikalIHDLYSxfaj1kDz016bHmMrlh8i0B7hIbDUpAfxjC1aA== 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) 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) 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> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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 >