From 7715a1e887c5dedc9cf1e57a8f35df261c749b08 Mon Sep 17 00:00:00 2001
From: David Rientjes <rientjes@google.com>
Date: Fri, 18 Sep 2009 03:41:10 -0700
Subject: [PATCH] x86/PCI: default pcibus cpumask to all cpus if it lacks
affinity
The early initialization of the pci bus to node mapping leaves all busses
with a node id of -1 if it lacks memory affinity. Thus, cpumask_of_pcibus
must return all online cpus for such busses.
Signed-off-by: David Rientjes <rientjes@google.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
arch/x86/include/asm/pci.h | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/arch/x86/include/asm/pci.h b/arch/x86/include/asm/pci.h
index f76a162c082c..ada8c201d513 100644
--- a/arch/x86/include/asm/pci.h
+++ b/arch/x86/include/asm/pci.h
@@ -143,7 +143,11 @@ static inline int __pcibus_to_node(const struct pci_bus *bus)
static inline const struct cpumask *
cpumask_of_pcibus(const struct pci_bus *bus)
{
- return cpumask_of_node(__pcibus_to_node(bus));
+ int node;
+
+ node = __pcibus_to_node(bus);
+ return (node == -1) ? cpu_online_mask :
+ cpumask_of_node(node);
}
#endif
--
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