ChangeSet 1.2229.1.8, 2005/04/04 07:36:01-07:00, [EMAIL PROTECTED]
[PATCH] x86: fix subarch breakage in intel_cacheinfo.c
Not all x86 subarchitectures have support for hyperthreading, so every
piece you add for it has to be predicated on checks for CONFIG_X86_HT.
The patch corrects this hyperthreading leakage problem in
intel_cacheinfo.c
Signed-off-by: James Bottomley <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
intel_cacheinfo.c | 2 ++
1 files changed, 2 insertions(+)
diff -Nru a/arch/i386/kernel/cpu/intel_cacheinfo.c
b/arch/i386/kernel/cpu/intel_cacheinfo.c
--- a/arch/i386/kernel/cpu/intel_cacheinfo.c 2005-04-04 08:14:50 -07:00
+++ b/arch/i386/kernel/cpu/intel_cacheinfo.c 2005-04-04 08:14:50 -07:00
@@ -311,8 +311,10 @@
if (num_threads_sharing == 1)
cpu_set(cpu, this_leaf->shared_cpu_map);
+#ifdef CONFIG_X86_HT
else if (num_threads_sharing == smp_num_siblings)
this_leaf->shared_cpu_map = cpu_sibling_map[cpu];
+#endif
else
printk(KERN_INFO "Number of CPUs sharing cache didn't match "
"any known set of CPUs\n");
-
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