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Diffstat (limited to 'arch/x86/kernel/cpu/amd.c')
-rw-r--r--arch/x86/kernel/cpu/amd.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c
index 6e47e3a916f1..4d0087f94ee5 100644
--- a/arch/x86/kernel/cpu/amd.c
+++ b/arch/x86/kernel/cpu/amd.c
@@ -312,9 +312,9 @@ static void amd_get_topology(struct cpuinfo_x86 *c)
node_id = ecx & 7;
/* get compute unit information */
- smp_num_siblings = ((ebx >> 8) & 3) + 1;
+ cores_per_cu = smp_num_siblings = ((ebx >> 8) & 3) + 1;
+ c->x86_max_cores /= smp_num_siblings;
c->compute_unit_id = ebx & 0xff;
- cores_per_cu += ((ebx >> 8) & 3);
} else if (cpu_has(c, X86_FEATURE_NODEID_MSR)) {
u64 value;
@@ -329,8 +329,8 @@ static void amd_get_topology(struct cpuinfo_x86 *c)
u32 cus_per_node;
set_cpu_cap(c, X86_FEATURE_AMD_DCM);
- cores_per_node = c->x86_max_cores / nodes_per_socket;
- cus_per_node = cores_per_node / cores_per_cu;
+ cus_per_node = c->x86_max_cores / nodes_per_socket;
+ cores_per_node = cus_per_node * cores_per_cu;
/* store NodeID, use llc_shared_map to store sibling info */
per_cpu(cpu_llc_id, cpu) = node_id;