Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752734AbbFAIKA (ORCPT ); Mon, 1 Jun 2015 04:10:00 -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 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.13,531,1427785200"; d="scan'208";a="734801565" 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-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 968 Lines: 28 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 -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/