diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2011-02-08 17:11:03 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2011-02-19 12:58:20 +0100 |
| commit | a005677b3dd05decdd8880cf3044ae709856f58f (patch) | |
| tree | 529d1454940fe8c6723bd54f01e009d9be2ab840 /kernel/irq/manage.c | |
| parent | 1ce6068dac1924f7095be5850481e790cbf1b3c1 (diff) | |
| download | blackbird-op-linux-a005677b3dd05decdd8880cf3044ae709856f58f.tar.gz blackbird-op-linux-a005677b3dd05decdd8880cf3044ae709856f58f.zip | |
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 <tglx@linutronix.de>
Diffstat (limited to 'kernel/irq/manage.c')
| -rw-r--r-- | kernel/irq/manage.c | 16 |
1 files changed, 10 insertions, 6 deletions
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); |
