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=-4.1 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,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 9F254C433E1 for ; Mon, 10 Aug 2020 21:46:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 755D2206B5 for ; Mon, 10 Aug 2020 21:46:52 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="GZZxwgrv"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="65vt/Uja" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726640AbgHJVqs (ORCPT ); Mon, 10 Aug 2020 17:46:48 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37968 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726517AbgHJVqs (ORCPT ); Mon, 10 Aug 2020 17:46:48 -0400 Received: from galois.linutronix.de (Galois.linutronix.de [IPv6:2a0a:51c0:0:12e:550::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1B277C061756; Mon, 10 Aug 2020 14:46:48 -0700 (PDT) From: Thomas Gleixner DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1597096006; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=ZTc7qzlDDZI94ZkS5x0rnSOmtfpFDDsiHIxpgjl1fsM=; b=GZZxwgrvXibFJZcaS2R22LnxTO30X96DmFeX8HkungAaeXusRMeaI+cMy8HRudLp8lC370 COMhOoc+iX/XSzM8k7eiWcZYSS6CBbg/+1WB5c/UGPHJn9H+2MtJDlQFsFMp4bdnZNN/Hx bKXqnFwPx5LC9mkOYr0JZvPnzNKOJZH5rmbb5oW5JDkdG4A06mugZ0GVxkpfD3Jbk+AAQz bP8dAyGsgaYuHXE5B1YcNBA0tfcxRuB8lAhZ+FX7Bz4nQkuhd2q3daKUJql6z6ppago522 bTvybQ+2/5SPBCt/c1sw47DlGLMNGlt2kUkiVwEgE6P0s/tj8eRkupZ4r3helQ== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1597096006; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=ZTc7qzlDDZI94ZkS5x0rnSOmtfpFDDsiHIxpgjl1fsM=; b=65vt/Uja35O19qQR/79tEWmhzsWgvL/QYtGqTWTJlMytEjKBQDIDRXrDXClI2DLPV1oRz/ GVWzrFvyTO6dqnCQ== To: "Dey\, Megha" , Jason Gunthorpe , "gregkh\@linuxfoundation.org" Cc: Marc Zyngier , "Jiang\, Dave" , "vkoul\@kernel.org" , "bhelgaas\@google.com" , "rafael\@kernel.org" , "hpa\@zytor.com" , "alex.williamson\@redhat.com" , "Pan\, Jacob jun" , "Raj\, Ashok" , "Liu\, Yi L" , "Lu\, Baolu" , "Tian\, Kevin" , "Kumar\, Sanjay K" , "Luck\, Tony" , "Lin\, Jing" , "Williams\, Dan J" , "kwankhede\@nvidia.com" , "eric.auger\@redhat.com" , "parav\@mellanox.com" , "Hansen\, Dave" , "netanelg\@mellanox.com" , "shahafs\@mellanox.com" , "yan.y.zhao\@linux.intel.com" , "pbonzini\@redhat.com" , "Ortiz\, Samuel" , "Hossain\, Mona" , "dmaengine\@vger.kernel.org" , "linux-kernel\@vger.kernel.org" , "x86\@kernel.org" , "linux-pci\@vger.kernel.org" , "kvm\@vger.kernel.org" Subject: Re: [PATCH RFC v2 02/18] irq/dev-msi: Add support for a new DEV_MSI irq domain In-Reply-To: <87h7tcgbs2.fsf@nanos.tec.linutronix.de> References: <87h7tcgbs2.fsf@nanos.tec.linutronix.de> Date: Mon, 10 Aug 2020 23:46:45 +0200 Message-ID: <87ft8uxjga.fsf@nanos> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org Thomas Gleixner writes: > The infrastructure itself is not more than a thin wrapper around the > existing msi domain infrastructure and might even share code with > platform-msi. And the annoying fact that you need XEN support which opens another can of worms...