nfs: new subdir Documentation/filesystems/nfs

[safe/jmp/linux-2.6] / drivers / acpi / numa.c

diff --git a/drivers/acpi/numa.c b/drivers/acpi/numa.c
index 3a0d8ef..202dd0c 100644 (file)
--- a/drivers/acpi/numa.c
+++ b/drivers/acpi/numa.c
@@ -30,6 +30,8 @@
 #include <linux/acpi.h>
 #include <acpi/acpi_bus.h>
 
+#define PREFIX "ACPI: "
+
 #define ACPI_NUMA      0x80000000
 #define _COMPONENT     ACPI_NUMA
 ACPI_MODULE_NAME("numa");
@@ -131,6 +133,21 @@ acpi_table_print_srat_entry(struct acpi_subtable_header *header)
 #endif                         /* ACPI_DEBUG_OUTPUT */
                break;
 
+       case ACPI_SRAT_TYPE_X2APIC_CPU_AFFINITY:
+#ifdef ACPI_DEBUG_OUTPUT
+               {
+                       struct acpi_srat_x2apic_cpu_affinity *p =
+                           (struct acpi_srat_x2apic_cpu_affinity *)header;
+                       ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+                                         "SRAT Processor (x2apicid[0x%08x]) in"
+                                         " proximity domain %d %s\n",
+                                         p->apic_id,
+                                         p->proximity_domain,
+                                         (p->flags & ACPI_SRAT_CPU_ENABLED) ?
+                                         "enabled" : "disabled"));
+               }
+#endif                         /* ACPI_DEBUG_OUTPUT */
+               break;
        default:
                printk(KERN_WARNING PREFIX
                       "Found unsupported SRAT entry (type = 0x%x)\n",
@@ -180,8 +197,35 @@ static int __init acpi_parse_slit(struct acpi_table_header *table)
        return 0;
 }
 
+void __init __attribute__ ((weak))
+acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa)
+{
+       printk(KERN_WARNING PREFIX
+              "Found unsupported x2apic [0x%08x] SRAT entry\n", pa->apic_id);
+       return;
+}
+
+
+static int __init
+acpi_parse_x2apic_affinity(struct acpi_subtable_header *header,
+                          const unsigned long end)
+{
+       struct acpi_srat_x2apic_cpu_affinity *processor_affinity;
+
+       processor_affinity = (struct acpi_srat_x2apic_cpu_affinity *)header;
+       if (!processor_affinity)
+               return -EINVAL;
+
+       acpi_table_print_srat_entry(header);
+
+       /* let architecture-dependent part to do it */
+       acpi_numa_x2apic_affinity_init(processor_affinity);
+
+       return 0;
+}
+
 static int __init
-acpi_parse_processor_affinity(struct acpi_subtable_header * header,
+acpi_parse_processor_affinity(struct acpi_subtable_header *header,
                              const unsigned long end)
 {
        struct acpi_srat_cpu_affinity *processor_affinity;
@@ -241,6 +285,8 @@ int __init acpi_numa_init(void)
 {
        /* SRAT: Static Resource Affinity Table */
        if (!acpi_table_parse(ACPI_SIG_SRAT, acpi_parse_srat)) {
+               acpi_table_parse_srat(ACPI_SRAT_TYPE_X2APIC_CPU_AFFINITY,
+                                     acpi_parse_x2apic_affinity, NR_CPUS);
                acpi_table_parse_srat(ACPI_SRAT_TYPE_CPU_AFFINITY,
                                      acpi_parse_processor_affinity, NR_CPUS);
                acpi_table_parse_srat(ACPI_SRAT_TYPE_MEMORY_AFFINITY,