From patchwork Thu Jul 9 08:00:40 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiang Liu X-Patchwork-Id: 6753881 X-Patchwork-Delegate: bhelgaas@google.com Return-Path: X-Original-To: patchwork-linux-pci@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 81B56C05AC for ; Thu, 9 Jul 2015 08:04:08 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id B997620607 for ; Thu, 9 Jul 2015 08:04:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C2007205D3 for ; Thu, 9 Jul 2015 08:04:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752212AbbGIIEF (ORCPT ); Thu, 9 Jul 2015 04:04:05 -0400 Received: from mga11.intel.com ([192.55.52.93]:30996 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750939AbbGIH7v (ORCPT ); Thu, 9 Jul 2015 03:59:51 -0400 Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga102.fm.intel.com with ESMTP; 09 Jul 2015 00:59:51 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.15,438,1432623600"; d="scan'208";a="758915100" Received: from gerry-dev.bj.intel.com ([10.238.158.61]) by fmsmga002.fm.intel.com with ESMTP; 09 Jul 2015 00:59:47 -0700 From: Jiang Liu To: Bjorn Helgaas , Thomas Gleixner , Ingo Molnar , Grant Likely , Marc Zyngier , Stuart Yoder , Yijing Wang , Borislav Petkov , Konrad Rzeszutek Wilk , "H. Peter Anvin" , x86@kernel.org Cc: Jiang Liu , Tony Luck , linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org, xen-devel@lists.xenproject.org Subject: [RFC Patch V1 05/12] x86, PCI: Use for_pci_msi_entry() to access MSI device list Date: Thu, 9 Jul 2015 16:00:40 +0800 Message-Id: <1436428847-8886-6-git-send-email-jiang.liu@linux.intel.com> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1436428847-8886-1-git-send-email-jiang.liu@linux.intel.com> References: <1436428847-8886-1-git-send-email-jiang.liu@linux.intel.com> Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org X-Spam-Status: No, score=-7.2 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 Use accessor for_pci_msi_entry() to access MSI device list, so we could easily move msi_list from struct pci_dev into struct device later. Signed-off-by: Jiang Liu --- arch/x86/pci/xen.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/x86/pci/xen.c b/arch/x86/pci/xen.c index d22f4b5bbc04..ff31ab464213 100644 --- a/arch/x86/pci/xen.c +++ b/arch/x86/pci/xen.c @@ -179,7 +179,7 @@ static int xen_setup_msi_irqs(struct pci_dev *dev, int nvec, int type) if (ret) goto error; i = 0; - list_for_each_entry(msidesc, &dev->msi_list, list) { + for_each_pci_msi_entry(msidesc, dev) { irq = xen_bind_pirq_msi_to_irq(dev, msidesc, v[i], (type == PCI_CAP_ID_MSI) ? nvec : 1, (type == PCI_CAP_ID_MSIX) ? @@ -230,7 +230,7 @@ static int xen_hvm_setup_msi_irqs(struct pci_dev *dev, int nvec, int type) if (type == PCI_CAP_ID_MSI && nvec > 1) return 1; - list_for_each_entry(msidesc, &dev->msi_list, list) { + for_each_pci_msi_entry(msidesc, dev) { __pci_read_msi_msg(msidesc, &msg); pirq = MSI_ADDR_EXT_DEST_ID(msg.address_hi) | ((msg.address_lo >> MSI_ADDR_DEST_ID_SHIFT) & 0xff); @@ -274,7 +274,7 @@ static int xen_initdom_setup_msi_irqs(struct pci_dev *dev, int nvec, int type) int ret = 0; struct msi_desc *msidesc; - list_for_each_entry(msidesc, &dev->msi_list, list) { + for_each_pci_msi_entry(msidesc, dev) { struct physdev_map_pirq map_irq; domid_t domid; @@ -386,7 +386,7 @@ static void xen_teardown_msi_irqs(struct pci_dev *dev) { struct msi_desc *msidesc; - msidesc = list_entry(dev->msi_list.next, struct msi_desc, list); + msidesc = first_pci_msi_entry(dev); if (msidesc->msi_attrib.is_msix) xen_pci_frontend_disable_msix(dev); else