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x86: xen: Sanitse irq handling (part two)

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Thomas Gleixner cleaned up event handling to use the
sparse_irq handling, but the xen-pcifront patches utilized the
old mechanism. This fixes them to work with sparse_irq handling.

Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
This commit is contained in:
Konrad Rzeszutek Wilk 2010-10-18 17:11:10 -04:00
parent 2775609c5d
commit 2c52f8d3f7
1 changed files with 3 additions and 4 deletions
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7
drivers/xen/events.c
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@ -586,8 +586,7 @@ int xen_allocate_pirq(unsigned gsi, int shareable, char *name)
* we are using the !xen_initial_domain() to drop in the function.*/
if (identity_mapped_irq(gsi) || !xen_initial_domain()) {
irq = gsi;
irq_to_desc_alloc_node(irq, 0);
dynamic_irq_init(irq);
irq_alloc_desc_at(irq, 0);
} else
irq = find_unbound_irq();
@ -602,7 +601,7 @@ int xen_allocate_pirq(unsigned gsi, int shareable, char *name)
* this in the priv domain. */
if (xen_initial_domain() &&
HYPERVISOR_physdev_op(PHYSDEVOP_alloc_irq_vector, &irq_op)) {
dynamic_irq_cleanup(irq);
irq_free_desc(irq);
irq = -ENOSPC;
goto out;
}
@ -629,7 +628,7 @@ int xen_destroy_irq(int irq)
irq_info[irq] = mk_unbound_info();
dynamic_irq_cleanup(irq);
irq_free_desc(irq);
out:
spin_unlock(&irq_mapping_update_lock);