Messages in this thread Patch in this message | | | Subject | [PATCH] fix subarch breakage in intel_cacheinfo.c | From | James Bottomley <> | Date | Sat, 02 Apr 2005 12:10:17 -0600 |
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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 <James.Bottomley@SteelEye.com>
===== arch/i386/kernel/cpu/intel_cacheinfo.c 1.3 vs edited ===== --- 1.3/arch/i386/kernel/cpu/intel_cacheinfo.c 2005-03-31 05:06:44 -06:00 +++ edited/arch/i386/kernel/cpu/intel_cacheinfo.c 2005-04-02 12:03:39 -06:00 @@ -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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