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Subject[patch] mm: k8_northbridges[] build fix
k8_northbridges[] isn't a defined symbol unless arch/x86/kernel/k8.c
is compiled, which is conditional on CONFIG_K8_NB. This patch resolves
the link error by making the sysfs access to the k8 northbridge
conditional on CONFIG_K8_NB in like fashion to the k8_northbridges[]
array itself. The issue was encountered on a 32-bit build with the
processor family specified as CONFIG_MCORE2=y.

The link error was introduced in
x86-conform-l3-cache-index-disable-to-linux-standards.patch

Signed-off-by: William Irwin <wli@movementarian.org>


Index: mmotm-2.6.29-rc6/arch/x86/kernel/cpu/intel_cacheinfo.c
===================================================================
--- mmotm-2.6.29-rc6.orig/arch/x86/kernel/cpu/intel_cacheinfo.c
+++ mmotm-2.6.29-rc6/arch/x86/kernel/cpu/intel_cacheinfo.c
@@ -613,7 +613,7 @@ static int __cpuinit detect_cache_attrib
return retval;
}

-#ifdef CONFIG_SYSFS
+#if defined(CONFIG_SYSFS) && defined(CONFIG_K8_NB)

#include <linux/kobject.h>
#include <linux/sysfs.h>
@@ -986,4 +986,4 @@ static int __cpuinit cache_sysfs_init(vo

device_initcall(cache_sysfs_init);

-#endif
+#endif /* defined(CONFIG_SYSFS) && defined(CONFIG_K8_NB) */

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