From patchwork Fri Jan 22 21:35:52 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Boris Ostrovsky X-Patchwork-Id: 8093471 Return-Path: X-Original-To: patchwork-xen-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 4C806BEEE5 for ; Fri, 22 Jan 2016 21:38:59 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 7FBA8205B7 for ; Fri, 22 Jan 2016 21:38:58 +0000 (UTC) Received: from lists.xen.org (lists.xenproject.org [50.57.142.19]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id AC8B920595 for ; Fri, 22 Jan 2016 21:38:57 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aMjNe-0004Fy-KL; 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Fri, 22 Jan 2016 21:36:25 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u0MLaOK1001358 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=FAIL); Fri, 22 Jan 2016 21:36:25 GMT Received: from abhmp0002.oracle.com (abhmp0002.oracle.com [141.146.116.8]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u0MLaOfR007254; Fri, 22 Jan 2016 21:36:24 GMT Received: from ovs104.us.oracle.com (/10.149.76.204) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Fri, 22 Jan 2016 13:36:24 -0800 From: Boris Ostrovsky To: david.vrabel@citrix.com, konrad.wilk@oracle.com Date: Fri, 22 Jan 2016 16:35:52 -0500 Message-Id: <1453498558-6028-7-git-send-email-boris.ostrovsky@oracle.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1453498558-6028-1-git-send-email-boris.ostrovsky@oracle.com> References: <1453498558-6028-1-git-send-email-boris.ostrovsky@oracle.com> X-Source-IP: userv0021.oracle.com [156.151.31.71] Cc: Boris Ostrovsky , xen-devel@lists.xenproject.org, mcgrof@suse.com, linux-kernel@vger.kernel.org, roger.pau@citrix.com Subject: [Xen-devel] [PATCH v1 06/12] xen/hvmlite: Initialize PCI X-BeenThere: xen-devel@lists.xen.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP HVMlite guests need PCI frontend and always have PV devices Signed-off-by: Boris Ostrovsky --- arch/x86/pci/xen.c | 2 +- arch/x86/xen/platform-pci-unplug.c | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/x86/pci/xen.c b/arch/x86/pci/xen.c index ff31ab4..d847f7d 100644 --- a/arch/x86/pci/xen.c +++ b/arch/x86/pci/xen.c @@ -405,7 +405,7 @@ static void xen_teardown_msi_irq(unsigned int irq) int __init pci_xen_init(void) { - if (!xen_pv_domain() || xen_initial_domain()) + if ((!xen_pv_domain() && !xen_hvmlite) || xen_initial_domain()) return -ENODEV; printk(KERN_INFO "PCI: setting up Xen PCI frontend stub\n"); diff --git a/arch/x86/xen/platform-pci-unplug.c b/arch/x86/xen/platform-pci-unplug.c index 9586ff3..802ec90 100644 --- a/arch/x86/xen/platform-pci-unplug.c +++ b/arch/x86/xen/platform-pci-unplug.c @@ -73,8 +73,8 @@ bool xen_has_pv_devices(void) if (!xen_domain()) return false; - /* PV domains always have them. */ - if (xen_pv_domain()) + /* PV and HVMlite domains always have them. */ + if (xen_pv_domain() || xen_hvmlite) return true; /* And user has xen_platform_pci=0 set in guest config as