From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758831Ab3KMLGG (ORCPT ); Wed, 13 Nov 2013 06:06:06 -0500 Received: from exprod5og119.obsmtp.com ([64.18.0.189]:43255 "HELO exprod5og119.obsmtp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1758730Ab3KMLGD (ORCPT ); Wed, 13 Nov 2013 06:06:03 -0500 From: Vinayak Kale To: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: tglx@linutronix.de, will.deacon@arm.com, patches@apm.com, jcm@redhat.com, Vinayak Kale Subject: [PATCH V2 1/2] genirq: Add an accessor for IRQ_PER_CPU flag Date: Wed, 13 Nov 2013 16:35:24 +0530 Message-Id: <1384340725-26073-2-git-send-email-vkale@apm.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1384340725-26073-1-git-send-email-vkale@apm.com> References: <1384340725-26073-1-git-send-email-vkale@apm.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch adds an accessor function for IRQ_PER_CPU flag. The accessor function is useful to dertermine whether an IRQ is percpu or not. Signed-off-by: Vinayak Kale --- include/linux/irqdesc.h | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/include/linux/irqdesc.h b/include/linux/irqdesc.h index 56fb646..acd8a3f 100644 --- a/include/linux/irqdesc.h +++ b/include/linux/irqdesc.h @@ -152,6 +152,14 @@ static inline int irq_balancing_disabled(unsigned int irq) return desc->status_use_accessors & IRQ_NO_BALANCING_MASK; } +static inline int irq_is_percpu(unsigned int irq) +{ + struct irq_desc *desc; + + desc = irq_to_desc(irq); + return (desc && (desc->status_use_accessors & IRQ_PER_CPU)) ? 1 : 0; +} + static inline void irq_set_lockdep_class(unsigned int irq, struct lock_class_key *class) { -- 1.7.9.5