From patchwork Mon Jun 1 08:05:45 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiang Liu X-Patchwork-Id: 6518481 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 [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id BF2409F1CC for ; Mon, 1 Jun 2015 08:10:16 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id EF951205F4 for ; Mon, 1 Jun 2015 08:10:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 23D52205F3 for ; Mon, 1 Jun 2015 08:10:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932470AbbFAIJx (ORCPT ); Mon, 1 Jun 2015 04:09:53 -0400 Received: from mga02.intel.com ([134.134.136.20]:14127 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932423AbbFAIJt (ORCPT ); Mon, 1 Jun 2015 04:09:49 -0400 Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by orsmga101.jf.intel.com with ESMTP; 01 Jun 2015 01:09:48 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.13,531,1427785200"; d="scan'208";a="734801565" Received: from gerry-dev.bj.intel.com ([10.238.158.61]) by fmsmga002.fm.intel.com with ESMTP; 01 Jun 2015 01:09:45 -0700 From: Jiang Liu To: Thomas Gleixner , Bjorn Helgaas , Benjamin Herrenschmidt , Ingo Molnar , "H. Peter Anvin" , Randy Dunlap , Yinghai Lu , Borislav Petkov , Jiang Liu , Marc Zyngier Cc: Konrad Rzeszutek Wilk , Tony Luck , x86@kernel.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, linux-acpi@vger.kernel.org Subject: [Patch v3 36/36] genirq: Optimize irq_data_to_desc() to avoid irq_to_desc() lookup Date: Mon, 1 Jun 2015 16:05:45 +0800 Message-Id: <1433145945-789-37-git-send-email-jiang.liu@linux.intel.com> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1433145945-789-1-git-send-email-jiang.liu@linux.intel.com> References: <1433145945-789-1-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=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_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 Optimize irq_data_to_desc() to avoid irq_to_desc() lookup. Signed-off-by: Jiang Liu --- include/linux/irqdesc.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/irqdesc.h b/include/linux/irqdesc.h index 4dfa46b99a14..749755bffbc1 100644 --- a/include/linux/irqdesc.h +++ b/include/linux/irqdesc.h @@ -97,7 +97,7 @@ extern struct irq_desc irq_desc[NR_IRQS]; static inline struct irq_desc *irq_data_to_desc(struct irq_data *data) { #ifdef CONFIG_IRQ_DOMAIN_HIERARCHY - return irq_to_desc(data->irq); + return container_of(data->common, struct irq_desc, irq_common_data); #else return container_of(data, struct irq_desc, irq_data); #endif