xen: allocate irq descs on any NUMA node
authorJeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Fri, 3 Dec 2010 00:14:27 +0000 (16:14 -0800)
committerJeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Fri, 3 Dec 2010 00:14:27 +0000 (16:14 -0800)
Allocate irq descs on any NUMA node (we don't care) rather than
specifically node 0, which may not exist.

(At the moment NUMA is meaningless within a domain, so any info
the kernel has is just from an SRAT table we haven't suppressed/disabled.)

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
drivers/xen/events.c

index 2811bb988ea0551b85bc4c77d15b8590382abdf4..0009e489272c293800ba0ff6ecfd58f5c9dec7fd 100644 (file)
@@ -423,7 +423,7 @@ static int find_unbound_irq(void)
        if (irq == start)
                goto no_irqs;
 
-       res = irq_alloc_desc_at(irq, 0);
+       res = irq_alloc_desc_at(irq, -1);
 
        if (WARN_ON(res != irq))
                return -1;
@@ -630,7 +630,7 @@ int xen_map_pirq_gsi(unsigned pirq, unsigned gsi, int shareable, char *name)
        if (identity_mapped_irq(gsi) || (!xen_initial_domain() &&
                                xen_pv_domain())) {
                irq = gsi;
-               irq_alloc_desc_at(irq, 0);
+               irq_alloc_desc_at(irq, -1);
        } else
                irq = find_unbound_irq();