[PATCH] x86-64: Don't assign CPU numbers in SRAT parsing

[pandora-kernel.git] / arch / x86_64 / kernel / setup.c

diff --git a/arch/x86_64/kernel/setup.c b/arch/x86_64/kernel/setup.c
index 9aec524..976ebcf 100644 (file)
--- a/arch/x86_64/kernel/setup.c
+++ b/arch/x86_64/kernel/setup.c
@@ -765,6 +765,7 @@ static void __init amd_detect_cmp(struct cpuinfo_x86 *c)
        int cpu = smp_processor_id();
        int node = 0;
        unsigned bits;
+       unsigned apicid = phys_proc_id[cpu];
 
        bits = 0;
        while ((1 << bits) < c->x86_num_cores)
@@ -777,15 +778,19 @@ static void __init amd_detect_cmp(struct cpuinfo_x86 *c)
 
 #ifdef CONFIG_NUMA
        /* When an ACPI SRAT table is available use the mappings from SRAT
-          instead. */
-       if (acpi_numa <= 0) {
-               node = phys_proc_id[cpu];
-               if (!node_online(node))
-                       node = first_node(node_online_map);
-               cpu_to_node[cpu] = node;
-       } else {
-               node = cpu_to_node[cpu];
+          instead. */
+       node = phys_proc_id[cpu];
+       if (acpi_numa > 0) {
+               if (apicid_to_node[apicid] != NUMA_NO_NODE)
+                       node = apicid_to_node[apicid];
+               else
+                       printk(KERN_ERR
+                              "SRAT: Didn't specify node for CPU %d(%d)\n",
+                              cpu, apicid);
        }
+       if (!node_online(node))
+               node = first_node(node_online_map);
+       cpu_to_node[cpu] = node;
 #endif
 
        printk(KERN_INFO "CPU %d(%d) -> Node %d -> Core %d\n",