From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752539AbdHOLfg (ORCPT ); Tue, 15 Aug 2017 07:35:36 -0400 Received: from foss.arm.com ([217.140.101.70]:50674 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752514AbdHOLfd (ORCPT ); Tue, 15 Aug 2017 07:35:33 -0400 From: Marc Zyngier To: linux-kernel@vger.kernel.org Cc: Wei Xu , James Hogan , Thomas Gleixner , Jason Cooper , Andrew Lunn , Gregory Clement , Sebastian Hesselbarth , Kevin Cernekee , Florian Fainelli , Chris Zankel , Max Filippov , Paul Burton , Matt Redfearn Subject: [PATCH 11/12] irqchip/mips-gic: Report that effective affinity is a single target Date: Tue, 15 Aug 2017 12:34:46 +0100 Message-Id: <20170815113447.14507-12-marc.zyngier@arm.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170815113447.14507-1-marc.zyngier@arm.com> References: <20170815113447.14507-1-marc.zyngier@arm.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The MIPS 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 --- drivers/irqchip/Kconfig | 1 + drivers/irqchip/irq-mips-gic.c | 2 ++ 2 files changed, 3 insertions(+) diff --git a/drivers/irqchip/Kconfig b/drivers/irqchip/Kconfig index 39bfa5b25b54..bca9a88012f0 100644 --- a/drivers/irqchip/Kconfig +++ b/drivers/irqchip/Kconfig @@ -141,6 +141,7 @@ config IRQ_MIPS_CPU select GENERIC_IRQ_IPI if SYS_SUPPORTS_MULTITHREADING select IRQ_DOMAIN select IRQ_DOMAIN_HIERARCHY if GENERIC_IRQ_IPI + select GENERIC_IRQ_EFFECTIVE_AFF_MASK config CLPS711X_IRQCHIP bool diff --git a/drivers/irqchip/irq-mips-gic.c b/drivers/irqchip/irq-mips-gic.c index 6ab1d3afec02..e075cb25fad6 100644 --- a/drivers/irqchip/irq-mips-gic.c +++ b/drivers/irqchip/irq-mips-gic.c @@ -463,6 +463,7 @@ static int gic_set_affinity(struct irq_data *d, const struct cpumask *cpumask, set_bit(irq, pcpu_masks[cpumask_first(&tmp)].pcpu_mask); cpumask_copy(irq_data_get_affinity_mask(d), cpumask); + irq_data_update_effective_affinity(d, cpumask); spin_unlock_irqrestore(&gic_lock, flags); return IRQ_SET_MASK_OK_NOCOPY; @@ -716,6 +717,7 @@ static int gic_irq_domain_map(struct irq_domain *d, unsigned int virq, if (err) return err; + irqd_set_single_target(irq_desc_get_irq_data(irq_to_desc(virq))); return gic_shared_irq_domain_map(d, virq, hwirq, 0); } -- 2.11.0