Received: by 2002:a05:6a10:a0d1:0:0:0:0 with SMTP id j17csp4655093pxa;
        Mon, 10 Aug 2020 14:47:41 -0700 (PDT)
X-Google-Smtp-Source: ABdhPJy568Cj1CwXdUFgK2iKfLSLFGHfWdkNr1G2VOxshoj+I7izyibFf8XnScyow6zhAvDHwciO
X-Received: by 2002:a17:906:ca8c:: with SMTP id js12mr24181811ejb.195.1597096061768;
        Mon, 10 Aug 2020 14:47:41 -0700 (PDT)
ARC-Seal: i=1; a=rsa-sha256; t=1597096061; cv=none;
        d=google.com; s=arc-20160816;
        b=UAT+wfAnoCqAUxNWUsX8LndDIHLR5pj8QPU1zwS1eVBrWjh8a9A+zx7WyaAyRA00eV
         +dYjuvqB8FlSqclYSROyjJbBIfImy9MEwc4qb/iLtG9iW6Fwg5FI1Zg18zxIM80LsciH
         j2O13Lsy3b6zRBMuCx7lE5quLPH1UuyodmxT6ObX+rZntN8rH99Oc6UkFKPTt56aSbqv
         BxiSFgTX1vykUYGCav79CwCAZ6ZsXZOcsNata+tF/C1Ly5oDes57Yi7TfiryyMj3PnEg
         eYjLIUZpgZ6DjnAOuG4QqB5TpgTSUL9Q1HDMHYlO1SueSl0IN0AuLptHx7UVu8L5ydTi
         mqJg==
ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816;
        h=list-id:precedence:sender:mime-version:message-id:date:references
         :in-reply-to:subject:cc:to:dkim-signature:dkim-signature:from;
        bh=ZTc7qzlDDZI94ZkS5x0rnSOmtfpFDDsiHIxpgjl1fsM=;
        b=O2ZJotWcl6Bazi4rSmVNNApwmdmah3rXZiATa9EAaf+7BHdURvf1etTcj6AKW9iM2r
         vH9UbJoUTiIeLNvehQmg33EcQykqwCjP6JxMPEl4ENPYG3fOzA1wsFsGP2m4EUv6XkyN
         UYMk+QQvClLwMdATAw6lFzilnXr+PNCBfyouSRCIx8qea0It0Ic2zIy8wwH7TO+f3O13
         vlrv1d0XQAyF2BLNbK4f8qsjhup7FdEvlVQ5CFjcmUO7wJcO+YPYEixl8iVFLswE0Lz4
         ChFLp/3igLEtBveeNGvRvi2/Xt8gzhXhtBeNSqnNs00INLAy28EDylYGZhBjbApN/iVE
         u7yA==
ARC-Authentication-Results: i=1; mx.google.com;
       dkim=pass header.i=@linutronix.de header.s=2020 header.b=GZZxwgrv;
       dkim=neutral (no key) header.i=@linutronix.de header.s=2020e header.b="65vt/Uja";
       spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org;
       dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=linutronix.de
Return-Path: <linux-kernel-owner@vger.kernel.org>
Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18])
        by mx.google.com with ESMTP id j17si11472612ejk.360.2020.08.10.14.47.19;
        Mon, 10 Aug 2020 14:47:41 -0700 (PDT)
Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
Authentication-Results: mx.google.com;
       dkim=pass header.i=@linutronix.de header.s=2020 header.b=GZZxwgrv;
       dkim=neutral (no key) header.i=@linutronix.de header.s=2020e header.b="65vt/Uja";
       spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org;
       dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=linutronix.de
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
        id S1726688AbgHJVqs (ORCPT <rfc822;ivid.suvarna@gmail.com>
        + 99 others); 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
        <rfc822;linux-kernel@vger.kernel.org>);
        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 <tglx@linutronix.de>
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" <megha.dey@intel.com>,
        Jason Gunthorpe <jgg@nvidia.com>,
        "gregkh\@linuxfoundation.org" <gregkh@linuxfoundation.org>
Cc:     Marc Zyngier <maz@kernel.org>,
        "Jiang\, Dave" <dave.jiang@intel.com>,
        "vkoul\@kernel.org" <vkoul@kernel.org>,
        "bhelgaas\@google.com" <bhelgaas@google.com>,
        "rafael\@kernel.org" <rafael@kernel.org>,
        "hpa\@zytor.com" <hpa@zytor.com>,
        "alex.williamson\@redhat.com" <alex.williamson@redhat.com>,
        "Pan\, Jacob jun" <jacob.jun.pan@intel.com>,
        "Raj\, Ashok" <ashok.raj@intel.com>,
        "Liu\, Yi L" <yi.l.liu@intel.com>,
        "Lu\, Baolu" <baolu.lu@intel.com>,
        "Tian\, Kevin" <kevin.tian@intel.com>,
        "Kumar\, Sanjay K" <sanjay.k.kumar@intel.com>,
        "Luck\, Tony" <tony.luck@intel.com>,
        "Lin\, Jing" <jing.lin@intel.com>,
        "Williams\, Dan J" <dan.j.williams@intel.com>,
        "kwankhede\@nvidia.com" <kwankhede@nvidia.com>,
        "eric.auger\@redhat.com" <eric.auger@redhat.com>,
        "parav\@mellanox.com" <parav@mellanox.com>,
        "Hansen\, Dave" <dave.hansen@intel.com>,
        "netanelg\@mellanox.com" <netanelg@mellanox.com>,
        "shahafs\@mellanox.com" <shahafs@mellanox.com>,
        "yan.y.zhao\@linux.intel.com" <yan.y.zhao@linux.intel.com>,
        "pbonzini\@redhat.com" <pbonzini@redhat.com>,
        "Ortiz\, Samuel" <samuel.ortiz@intel.com>,
        "Hossain\, Mona" <mona.hossain@intel.com>,
        "dmaengine\@vger.kernel.org" <dmaengine@vger.kernel.org>,
        "linux-kernel\@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        "x86\@kernel.org" <x86@kernel.org>,
        "linux-pci\@vger.kernel.org" <linux-pci@vger.kernel.org>,
        "kvm\@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-kernel-owner@vger.kernel.org
Precedence: bulk
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

Thomas Gleixner <tglx@linutronix.de> 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...