summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorBorislav Petkov <borislav.petkov@amd.com>2010-04-24 11:56:53 +0400
committerH. Peter Anvin <hpa@linux.intel.com>2010-05-14 22:53:01 +0400
commitade029e2aaacc8965a548b0b0f80c5bee97ffc68 (patch)
tree6b007dcdf36b35a091b8a466648b1104828a94ce
parentf01487119dda3d9f58c9729c7361ecc50a61c188 (diff)
downloadlinux-ade029e2aaacc8965a548b0b0f80c5bee97ffc68.tar.xz
x86, k8: Fix build error when K8_NB is disabled
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> Cc: <stable@kernel.org>
-rw-r--r--arch/x86/include/asm/k8.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/x86/include/asm/k8.h b/arch/x86/include/asm/k8.h
index f70e60071fe8..af00bd1d2089 100644
--- 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 start_pfn, unsigned long end_pfn);
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;