There seems to be more cleanups possible, but that's left to the xen
experts :)
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
---
drivers/xen/events.c | 23 +++++++++++------------
1 file changed, 11 insertions(+), 12 deletions(-)
Index: linux-2.6-tip/drivers/xen/events.c
===================================================================
--- linux-2.6-tip.orig/drivers/xen/events.c
+++ linux-2.6-tip/drivers/xen/events.c
@@ -338,30 +338,29 @@ static void unmask_evtchn(int port)
static int find_unbound_irq(void)
{
- int irq;
- struct irq_desc *desc;
+ struct irq_data *data;
+ int irq, res;
for (irq = 0; irq < nr_irqs; irq++) {
- desc = irq_to_desc(irq);
+ data = irq_get_irq_data(irq);
/* only 0->15 have init'd desc; handle irq > 16 */
- if (desc == NULL)
+ if (!data)
break;
- if (desc->chip == &no_irq_chip)
+ if (data->chip == &no_irq_chip)
break;
- if (desc->chip != &xen_dynamic_chip)
+ if (data->chip != &xen_dynamic_chip)
continue;
if (irq_info[irq].type == IRQT_UNBOUND)
- break;
+ return irq;
}
if (irq == nr_irqs)
panic("No available IRQ to bind to: increase nr_irqs!\n");
- desc = irq_to_desc_alloc_node(irq, 0);
- if (WARN_ON(desc == NULL))
- return -1;
+ res = irq_alloc_desc_at(irq, 0);
- dynamic_irq_init_keep_chip_data(irq);
+ if (WARN_ON(res != irq))
+ return -1;
return irq;
}
@@ -495,7 +494,7 @@ static void unbind_from_irq(unsigned int
if (irq_info[irq].type != IRQT_UNBOUND) {
irq_info[irq] = mk_unbound_info();
- dynamic_irq_cleanup(irq);
+ irq_free_desc(irq);
}
spin_unlock(&irq_mapping_update_lock);
--
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