From: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Date: Fri, 3 Dec 2010 00:14:27 +0000 (-0800)
Subject: xen: allocate irq descs on any NUMA node
X-Git-Tag: Ubuntu-5.0.0-8.9~20918^2
X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=29dcbc5c25d6d8140337e96bf503c8475092c586;p=mirror_ubuntu-disco-kernel.git

xen: allocate irq descs on any NUMA node

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>
---

diff --git a/drivers/xen/events.c b/drivers/xen/events.c
index 2811bb988ea0..0009e489272c 100644
--- a/drivers/xen/events.c
+++ b/drivers/xen/events.c
@@ -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();