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x86, k8: Fix build error when K8_NB is disabled

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commit ade029e2aa 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>
This commit is contained in:
Borislav Petkov
2010-04-24 09:56:53 +02:00
committed by Greg Kroah-Hartman
parent 7ff4b9ccda
commit b53d27ff66
1 changed files with 5 additions and 0 deletions
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5
arch/x86/include/asm/k8.h
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@@ -13,11 +13,16 @@ extern void k8_flush_garts(void);
extern int k8_scan_nodes(unsigned long start, unsigned long end);
#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;