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>
diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index 73b2e7e..b8aa3df 100644
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -706,12 +706,15 @@
if (!desc)
return;
- /* Sanitize flags */
- set &= IRQF_MODIFY_MASK;
- clr &= IRQF_MODIFY_MASK;
-
raw_spin_lock_irqsave(&desc->lock, flags);
- desc->status &= ~clr;
- desc->status |= set;
+
+ irq_settings_clr_and_set(desc, clr, set);
+
+ irqd_clear(&desc->irq_data, IRQD_NO_BALANCING | IRQD_PER_CPU);
+ if (irq_settings_has_no_balance_set(desc))
+ irqd_set(&desc->irq_data, IRQD_NO_BALANCING);
+ if (irq_settings_is_per_cpu(desc))
+ irqd_set(&desc->irq_data, IRQD_PER_CPU);
+
raw_spin_unlock_irqrestore(&desc->lock, flags);
}