From patchwork Fri Jul 11 00:47:20 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: ethan zhao X-Patchwork-Id: 4529331 X-Patchwork-Delegate: bhelgaas@google.com Return-Path: X-Original-To: patchwork-linux-pci@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 331AB9F37C for ; Fri, 11 Jul 2014 00:49:56 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 6DCC9201DE for ; Fri, 11 Jul 2014 00:49:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7BCA1201C0 for ; Fri, 11 Jul 2014 00:49:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751441AbaGKAsf (ORCPT ); Thu, 10 Jul 2014 20:48:35 -0400 Received: from userp1040.oracle.com ([156.151.31.81]:21412 "EHLO userp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751021AbaGKAse (ORCPT ); Thu, 10 Jul 2014 20:48:34 -0400 Received: from acsinet22.oracle.com (acsinet22.oracle.com [141.146.126.238]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id s6B0mCib016469 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 11 Jul 2014 00:48:13 GMT Received: from userz7022.oracle.com (userz7022.oracle.com [156.151.31.86]) by acsinet22.oracle.com (8.14.4+Sun/8.14.4) with ESMTP id s6B0mB59009493 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Fri, 11 Jul 2014 00:48:12 GMT Received: from abhmp0018.oracle.com (abhmp0018.oracle.com [141.146.116.24]) by userz7022.oracle.com (8.14.5+Sun/8.14.4) with ESMTP id s6B0mAq5008446; Fri, 11 Jul 2014 00:48:10 GMT Received: from etnux.cn.oracle.com (/10.182.70.25) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 10 Jul 2014 17:48:09 -0700 From: Ethan Zhao To: bhelgaas@google.com, konrad.wilk@oracle.com, boris.ostrovsky@oracle.com, david.vrabel@citrix.com, gleb@kernel.org, pbonzini@redhat.com, jeffrey.t.kirsher@intel.com, jesse.brandeburg@intel.com, bruce.w.allan@intel.com, carolyn.wyborny@intel.com, donald.c.skidmore@intel.com, gregory.v.rose@intel.com, alexander.h.duyck@intel.com, john.ronciak@intel.com, mitch.a.williams@intel.com Cc: linux-pci@vger.kernel.org, kvm@vger.kernel.org, linux.nics@intel.com, e1000-devel@lists.sourceforge.net, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, ethan.kernel@gmail.com, vaughan.cao@oracle.com, Ethan Zhao Subject: [PATCH 2/4] xen-pciback: use PCI VFs assignment helper functions Date: Fri, 11 Jul 2014 08:47:20 +0800 Message-Id: <1405039642-23519-2-git-send-email-ethan.zhao@oracle.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1405039642-23519-1-git-send-email-ethan.zhao@oracle.com> References: <1405039642-23519-1-git-send-email-ethan.zhao@oracle.com> X-Source-IP: acsinet22.oracle.com [141.146.126.238] Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org X-Spam-Status: No, score=-7.6 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, 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 New VFs reference counter mechanism and VFs assignment helper functions are introduced to PCI SRIOV, use them instead of manipulating device flag directly. Signed-off-by: Ethan Zhao --- drivers/xen/xen-pciback/pci_stub.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/xen/xen-pciback/pci_stub.c b/drivers/xen/xen-pciback/pci_stub.c index 62fcd48..1d7b747 100644 --- a/drivers/xen/xen-pciback/pci_stub.c +++ b/drivers/xen/xen-pciback/pci_stub.c @@ -133,7 +133,7 @@ static void pcistub_device_release(struct kref *kref) xen_pcibk_config_free_dyn_fields(dev); xen_pcibk_config_free_dev(dev); - dev->dev_flags &= ~PCI_DEV_FLAGS_ASSIGNED; + pci_sriov_deassign_device(dev); pci_dev_put(dev); kfree(psdev); @@ -404,7 +404,7 @@ static int pcistub_init_device(struct pci_dev *dev) dev_dbg(&dev->dev, "reset device\n"); xen_pcibk_reset_device(dev); - dev->dev_flags |= PCI_DEV_FLAGS_ASSIGNED; + pci_sriov_assign_device(dev); return 0; config_release: