x86: ioapic: Use irq_data->state

Use the state information in irq_data. That avoids a radix-tree lookup
from apic_ack_level() and simplifies setup_ioapic_dest().

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index 224edce..e481e00 100644 (file)
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -2431,7 +2431,7 @@ static void ack_apic_level(struct irq_data *data)
        irq_complete_move(cfg);
 #ifdef CONFIG_GENERIC_PENDING_IRQ
        /* If we are moving the irq we need to mask it */
-       if (unlikely(irq_to_desc(irq)->status & IRQ_MOVE_PENDING)) {
+       if (unlikely(irqd_is_setaffinity_pending(data))) {
                do_unmask_irq = 1;
                mask_ioapic(cfg);
        }
@@ -3822,8 +3822,8 @@ int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity)
 void __init setup_ioapic_dest(void)
 {
        int pin, ioapic, irq, irq_entry;
-       struct irq_desc *desc;
        const struct cpumask *mask;
+       struct irq_data *idata;
 
        if (skip_ioapic_setup == 1)
                return;
@@ -3838,21 +3838,20 @@ void __init setup_ioapic_dest(void)
                if ((ioapic > 0) && (irq > 16))
                        continue;
 
-               desc = irq_to_desc(irq);
+               idata = irq_get_irq_data(irq);
 
                /*
                 * Honour affinities which have been set in early boot
                 */
-               if (desc->status &
-                   (IRQ_NO_BALANCING | IRQ_AFFINITY_SET))
-                       mask = desc->irq_data.affinity;
+               if (!irqd_can_balance(idata) || irqd_affinity_was_set(idata))
+                       mask = idata->affinity;
                else
                        mask = apic->target_cpus();
 
                if (intr_remapping_enabled)
-                       ir_ioapic_set_affinity(&desc->irq_data, mask, false);
+                       ir_ioapic_set_affinity(idata, mask, false);
                else
-                       ioapic_set_affinity(&desc->irq_data, mask, false);
+                       ioapic_set_affinity(idata, mask, false);
        }
 
 }