diff options
| -rw-r--r-- | arch/x86/kernel/cpu/intel_cacheinfo.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/kernel/cpu/intel_cacheinfo.c b/arch/x86/kernel/cpu/intel_cacheinfo.c index b25b229f70bc..417990f04b5d 100644 --- a/arch/x86/kernel/cpu/intel_cacheinfo.c +++ b/arch/x86/kernel/cpu/intel_cacheinfo.c @@ -338,6 +338,10 @@ amd_check_l3_disable(int index, struct _cpuid4_info_regs *this_leaf) (boot_cpu_data.x86_mask < 0x1))) return; + /* not in virtualized environments */ + if (num_k8_northbridges == 0) + return; + this_leaf->can_disable = true; this_leaf->l3_indices = amd_calc_l3_indices(); } |