From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751646AbdHRJCy (ORCPT ); Fri, 18 Aug 2017 05:02:54 -0400 Received: from terminus.zytor.com ([65.50.211.136]:37717 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751575AbdHRJCw (ORCPT ); Fri, 18 Aug 2017 05:02:52 -0400 Date: Fri, 18 Aug 2017 01:58:28 -0700 From: tip-bot for Marc Zyngier Message-ID: Cc: xuwei5@hisilicon.com, matt.redfearn@imgtec.com, linux-kernel@vger.kernel.org, cernekee@gmail.com, paul.burton@imgtec.com, mingo@kernel.org, hpa@zytor.com, andrew@lunn.ch, f.fainelli@gmail.com, jcmvbkbc@gmail.com, marc.zyngier@arm.com, jason@lakedaemon.net, gregory.clement@free-electrons.com, james.hogan@imgtec.com, tglx@linutronix.de, chris@zankel.net, sebastian.hesselbarth@gmail.com Reply-To: cernekee@gmail.com, matt.redfearn@imgtec.com, linux-kernel@vger.kernel.org, xuwei5@hisilicon.com, marc.zyngier@arm.com, gregory.clement@free-electrons.com, jason@lakedaemon.net, f.fainelli@gmail.com, jcmvbkbc@gmail.com, tglx@linutronix.de, james.hogan@imgtec.com, chris@zankel.net, sebastian.hesselbarth@gmail.com, hpa@zytor.com, mingo@kernel.org, paul.burton@imgtec.com, andrew@lunn.ch In-Reply-To: <20170818083925.10108-4-marc.zyngier@arm.com> References: <20170818083925.10108-4-marc.zyngier@arm.com> To: linux-tip-commits@vger.kernel.org Subject: [tip:irq/core] irqchip/gic: Report that effective affinity is a single target Git-Commit-ID: 0c9e498286ef9762e0ae62fc8a02b4739796970f X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: 0c9e498286ef9762e0ae62fc8a02b4739796970f Gitweb: http://git.kernel.org/tip/0c9e498286ef9762e0ae62fc8a02b4739796970f Author: Marc Zyngier AuthorDate: Fri, 18 Aug 2017 09:39:16 +0100 Committer: Thomas Gleixner CommitDate: Fri, 18 Aug 2017 10:54:40 +0200 irqchip/gic: Report that effective affinity is a single target The GIC driver only targets a single CPU at a time, even if the notional affinity is wider. Let's inform the core code about this. Signed-off-by: Marc Zyngier Signed-off-by: Thomas Gleixner Cc: Andrew Lunn Cc: James Hogan Cc: Jason Cooper Cc: Paul Burton Cc: Chris Zankel Cc: Kevin Cernekee Cc: Wei Xu Cc: Max Filippov Cc: Florian Fainelli Cc: Gregory Clement Cc: Matt Redfearn Cc: Sebastian Hesselbarth Link: http://lkml.kernel.org/r/20170818083925.10108-4-marc.zyngier@arm.com --- drivers/irqchip/Kconfig | 1 + drivers/irqchip/irq-gic.c | 3 +++ 2 files changed, 4 insertions(+) diff --git a/drivers/irqchip/Kconfig b/drivers/irqchip/Kconfig index f1fd5f4..586929d 100644 --- a/drivers/irqchip/Kconfig +++ b/drivers/irqchip/Kconfig @@ -7,6 +7,7 @@ config ARM_GIC select IRQ_DOMAIN select IRQ_DOMAIN_HIERARCHY select MULTI_IRQ_HANDLER + select GENERIC_IRQ_EFFECTIVE_AFF_MASK config ARM_GIC_PM bool diff --git a/drivers/irqchip/irq-gic.c b/drivers/irqchip/irq-gic.c index 1b1df4f..20dd2ba 100644 --- a/drivers/irqchip/irq-gic.c +++ b/drivers/irqchip/irq-gic.c @@ -344,6 +344,8 @@ static int gic_set_affinity(struct irq_data *d, const struct cpumask *mask_val, writel_relaxed(val | bit, reg); gic_unlock_irqrestore(flags); + irq_data_update_effective_affinity(d, cpumask_of(cpu)); + return IRQ_SET_MASK_OK_DONE; } #endif @@ -966,6 +968,7 @@ static int gic_irq_domain_map(struct irq_domain *d, unsigned int irq, irq_domain_set_info(d, irq, hw, &gic->chip, d->host_data, handle_fasteoi_irq, NULL, NULL); irq_set_probe(irq); + irqd_set_single_target(irq_desc_get_irq_data(irq_to_desc(irq))); } return 0; }