From patchwork Wed May 20 09:40:36 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiang Liu X-Patchwork-Id: 6443521 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 B70D2C0432 for ; Wed, 20 May 2015 09:40:17 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id CC9AB20376 for ; Wed, 20 May 2015 09:40:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D78A42037C for ; Wed, 20 May 2015 09:40:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753160AbbETJjh (ORCPT ); Wed, 20 May 2015 05:39:37 -0400 Received: from mga11.intel.com ([192.55.52.93]:20222 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753029AbbETJjc (ORCPT ); Wed, 20 May 2015 05:39:32 -0400 Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga102.fm.intel.com with ESMTP; 20 May 2015 02:39:31 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.13,464,1427785200"; d="scan'208";a="728901297" Received: from gerry-dev.bj.intel.com ([10.238.158.61]) by fmsmga002.fm.intel.com with ESMTP; 20 May 2015 02:39:28 -0700 From: Jiang Liu To: Thomas Gleixner , Bjorn Helgaas , Benjamin Herrenschmidt , Ingo Molnar , "H. Peter Anvin" , "Rafael J. Wysocki" , Randy Dunlap , Yinghai Lu , Borislav Petkov , Jiang Liu , Jason Cooper , Kevin Cernekee , Arnd Bergmann 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 v2 05/14] genirq: Move field 'node' from struct irq_data into struct irq_common_data Date: Wed, 20 May 2015 17:40:36 +0800 Message-Id: <1432114845-24304-6-git-send-email-jiang.liu@linux.intel.com> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1432114845-24304-1-git-send-email-jiang.liu@linux.intel.com> References: <1432114845-24304-1-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 NUMA node information is per-irq instead of per-irqchip, so move it into struct irq_common_data. Also use CONFIG_NUMA to guard irq_common_data.node. Signed-off-by: Jiang Liu --- include/linux/irq.h | 17 ++++++++++++++--- kernel/irq/internals.h | 2 +- kernel/irq/irqdesc.c | 4 +++- kernel/irq/irqdomain.c | 1 - 4 files changed, 18 insertions(+), 6 deletions(-) diff --git a/include/linux/irq.h b/include/linux/irq.h index 0de75a22b827..0138f046642c 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -129,9 +129,13 @@ struct irq_domain; * struct irq_common_data - per irq data shared by all irqchips * @state_use_accessors: status information for irq chip functions. * Use accessor functions to deal with it + * @node: node index useful for balancing */ struct irq_common_data { unsigned int state_use_accessors; +#ifdef CONFIG_NUMA + unsigned int node; +#endif }; /** @@ -139,7 +143,6 @@ struct irq_common_data { * @mask: precomputed bitmask for accessing the chip registers * @irq: interrupt number * @hwirq: hardware interrupt number, local to the interrupt domain - * @node: node index useful for balancing * @common: point to data shared by all irqchips * @chip: low level interrupt hardware access * @domain: Interrupt translation domain; responsible for mapping @@ -160,7 +163,6 @@ struct irq_data { u32 mask; unsigned int irq; unsigned long hwirq; - unsigned int node; struct irq_common_data *common; struct irq_chip *chip; struct irq_domain *domain; @@ -634,9 +636,18 @@ static inline u32 irq_get_trigger_type(unsigned int irq) return d ? irqd_get_trigger_type(d) : 0; } -static inline int irq_data_get_node(struct irq_data *d) +static inline int irq_common_data_get_node(struct irq_common_data *d) { +#ifdef CONFIG_NUMA return d->node; +#else + return 0; +#endif +} + +static inline int irq_data_get_node(struct irq_data *d) +{ + return irq_common_data_get_node(d->common); } unsigned int arch_dynirq_lower_bound(unsigned int from); diff --git a/kernel/irq/internals.h b/kernel/irq/internals.h index d1f583543d40..d82a77d39aeb 100644 --- a/kernel/irq/internals.h +++ b/kernel/irq/internals.h @@ -201,7 +201,7 @@ static inline void kstat_incr_irqs_this_cpu(unsigned int irq, struct irq_desc *d static inline int irq_desc_get_node(struct irq_desc *desc) { - return irq_data_get_node(&desc->irq_data); + return irq_common_data_get_node(&desc->irq_common_data); } #ifdef CONFIG_PM_SLEEP diff --git a/kernel/irq/irqdesc.c b/kernel/irq/irqdesc.c index b18d3f1d73d9..0c3057e42906 100644 --- a/kernel/irq/irqdesc.c +++ b/kernel/irq/irqdesc.c @@ -52,11 +52,13 @@ static int alloc_masks(struct irq_desc *desc, gfp_t gfp, int node) static void desc_smp_init(struct irq_desc *desc, int node) { - desc->irq_data.node = node; cpumask_copy(desc->irq_data.affinity, irq_default_affinity); #ifdef CONFIG_GENERIC_PENDING_IRQ cpumask_clear(desc->pending_mask); #endif +#ifdef CONFIG_NUMA + desc->irq_common_data.node = node; +#endif } #else diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c index 1b06dfed4574..93ef89059022 100644 --- a/kernel/irq/irqdomain.c +++ b/kernel/irq/irqdomain.c @@ -836,7 +836,6 @@ static struct irq_data *irq_domain_insert_irq_data(struct irq_domain *domain, child->parent_data = irq_data; irq_data->irq = child->irq; irq_data->common = child->common; - irq_data->node = child->node; irq_data->domain = domain; }