From a005677b3dd05decdd8880cf3044ae709856f58f Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Tue, 8 Feb 2011 17:11:03 +0100 Subject: genirq: Mirror IRQ_PER_CPU and IRQ_NO_BALANCING in irq_data.state That's the right data structure to look at for arch code. Accessor functions are provided. irqd_is_per_cpu(irqdata); irqd_can_balance(irqdata); Coders who access them directly will be tracked down and slapped with stinking trouts. Signed-off-by: Thomas Gleixner --- kernel/irq/manage.c | 16 ++++++++++------ 1 file changed, 10 insertions(+), 6 deletions(-) (limited to 'kernel/irq/manage.c') diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c index f1cfa271ba70..84a0a9c22226 100644 --- a/kernel/irq/manage.c +++ b/kernel/irq/manage.c @@ -73,8 +73,8 @@ int irq_can_set_affinity(unsigned int irq) { struct irq_desc *desc = irq_to_desc(irq); - if ((desc->status & (IRQ_PER_CPU | IRQ_NO_BALANCING)) || - !desc->irq_data.chip || !desc->irq_data.chip->irq_set_affinity) + if (!irqd_can_balance(&desc->irq_data) || !desc->irq_data.chip || + !desc->irq_data.chip->irq_set_affinity) return 0; return 1; @@ -897,8 +897,10 @@ __setup_irq(unsigned int irq, struct irq_desc *desc, struct irqaction *new) IRQS_INPROGRESS | IRQS_ONESHOT | \ IRQS_WAITING); - if (new->flags & IRQF_PERCPU) - desc->status |= IRQ_PER_CPU; + if (new->flags & IRQF_PERCPU) { + irqd_set(&desc->irq_data, IRQD_PER_CPU); + irq_settings_set_per_cpu(desc); + } if (new->flags & IRQF_ONESHOT) desc->istate |= IRQS_ONESHOT; @@ -910,8 +912,10 @@ __setup_irq(unsigned int irq, struct irq_desc *desc, struct irqaction *new) desc->depth = 1; /* Exclude IRQ from balancing if requested */ - if (new->flags & IRQF_NOBALANCING) - desc->status |= IRQ_NO_BALANCING; + if (new->flags & IRQF_NOBALANCING) { + irq_settings_set_no_balancing(desc); + irqd_set(&desc->irq_data, IRQD_NO_BALANCING); + } /* Set default affinity mask once everything is setup */ setup_affinity(irq, desc, mask); -- cgit v1.2.3