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Subject[27/39] x86, k8: Fix build error when K8_NB is disabled

2.6.33-stable review patch. If anyone has any objections, please let us know.

------------------
From: Borislav Petkov <borislav.petkov@amd.com>

commit ade029e2aaacc8965a548b0b0f80c5bee97ffc68 upstream.

K8_NB depends on PCI and when the last is disabled (allnoconfig) we fail
at the final linking stage due to missing exported num_k8_northbridges.
Add a header stub for that.

Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
LKML-Reference: <20100503183036.GJ26107@aftab>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

---
arch/x86/include/asm/k8.h | 5 +++++
1 file changed, 5 insertions(+)

--- a/arch/x86/include/asm/k8.h
+++ b/arch/x86/include/asm/k8.h
@@ -16,11 +16,16 @@ extern int k8_numa_init(unsigned long st
extern int k8_scan_nodes(void);

#ifdef CONFIG_K8_NB
+extern int num_k8_northbridges;
+
static inline struct pci_dev *node_to_k8_nb_misc(int node)
{
return (node < num_k8_northbridges) ? k8_northbridges[node] : NULL;
}
+
#else
+#define num_k8_northbridges 0
+
static inline struct pci_dev *node_to_k8_nb_misc(int node)
{
return NULL;



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