Messages in this thread Patch in this message | | | From | Marc Zyngier <> | Subject | [PATCH 11/12] irqchip/mips-gic: Report that effective affinity is a single target | Date | Tue, 15 Aug 2017 12:34:46 +0100 |
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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 <marc.zyngier@arm.com> --- 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
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