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    Subject[PATCH] 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

    Signed-off-by: James Bottomley <>

    ===== 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];
    printk(KERN_INFO "Number of CPUs sharing cache didn't match "
    "any known set of CPUs\n");

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      Last update: 2005-04-06 13:31    [W:0.027 / U:1.032 seconds]
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