diff options
| -rw-r--r-- | arch/x86/kernel/cpu/intel_cacheinfo.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/arch/x86/kernel/cpu/intel_cacheinfo.c b/arch/x86/kernel/cpu/intel_cacheinfo.c index 6c40f6b5b340..63ada177b40c 100644 --- a/arch/x86/kernel/cpu/intel_cacheinfo.c +++ b/arch/x86/kernel/cpu/intel_cacheinfo.c | |||
| @@ -507,18 +507,19 @@ static void __cpuinit cache_shared_cpu_map_setup(unsigned int cpu, int index) | |||
| 507 | { | 507 | { |
| 508 | struct _cpuid4_info *this_leaf, *sibling_leaf; | 508 | struct _cpuid4_info *this_leaf, *sibling_leaf; |
| 509 | unsigned long num_threads_sharing; | 509 | unsigned long num_threads_sharing; |
| 510 | int index_msb, i; | 510 | int index_msb, i, sibling; |
| 511 | struct cpuinfo_x86 *c = &cpu_data(cpu); | 511 | struct cpuinfo_x86 *c = &cpu_data(cpu); |
| 512 | 512 | ||
| 513 | if ((index == 3) && (c->x86_vendor == X86_VENDOR_AMD)) { | 513 | if ((index == 3) && (c->x86_vendor == X86_VENDOR_AMD)) { |
| 514 | struct cpuinfo_x86 *d; | 514 | for_each_cpu(i, c->llc_shared_map) { |
| 515 | for_each_online_cpu(i) { | ||
| 516 | if (!per_cpu(cpuid4_info, i)) | 515 | if (!per_cpu(cpuid4_info, i)) |
| 517 | continue; | 516 | continue; |
| 518 | d = &cpu_data(i); | ||
| 519 | this_leaf = CPUID4_INFO_IDX(i, index); | 517 | this_leaf = CPUID4_INFO_IDX(i, index); |
| 520 | cpumask_copy(to_cpumask(this_leaf->shared_cpu_map), | 518 | for_each_cpu(sibling, c->llc_shared_map) { |
| 521 | d->llc_shared_map); | 519 | if (!cpu_online(sibling)) |
| 520 | continue; | ||
| 521 | set_bit(sibling, this_leaf->shared_cpu_map); | ||
| 522 | } | ||
| 522 | } | 523 | } |
| 523 | return; | 524 | return; |
| 524 | } | 525 | } |
