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[PATCH] x86-64: Use ACPI PXM to parse PCI<->node assignments
[pandora-kernel.git]
/
arch
/
x86_64
/
mm
/
srat.c
diff --git
a/arch/x86_64/mm/srat.c
b/arch/x86_64/mm/srat.c
index
8e3d097
..
db6b073
100644
(file)
--- a/
arch/x86_64/mm/srat.c
+++ b/
arch/x86_64/mm/srat.c
@@
-20,14
+20,18
@@
static struct acpi_table_slit *acpi_slit;
static struct acpi_table_slit *acpi_slit;
-/* Internal processor count */
-static unsigned int __initdata num_processors = 0;
-
static nodemask_t nodes_parsed __initdata;
static nodemask_t nodes_found __initdata;
static struct node nodes[MAX_NUMNODES] __initdata;
static __u8 pxm2node[256] = { [0 ... 255] = 0xff };
static nodemask_t nodes_parsed __initdata;
static nodemask_t nodes_found __initdata;
static struct node nodes[MAX_NUMNODES] __initdata;
static __u8 pxm2node[256] = { [0 ... 255] = 0xff };
+int pxm_to_node(int pxm)
+{
+ if ((unsigned)pxm >= 256)
+ return 0;
+ return pxm2node[pxm];
+}
+
static __init int setup_node(int pxm)
{
unsigned node = pxm2node[pxm];
static __init int setup_node(int pxm)
{
unsigned node = pxm2node[pxm];
@@
-104,18
+108,10
@@
acpi_numa_processor_affinity_init(struct acpi_table_processor_affinity *pa)
bad_srat();
return;
}
bad_srat();
return;
}
- if (num_processors >= NR_CPUS) {
- printk(KERN_ERR "SRAT: Processor #%d (lapic %u) INVALID. (Max ID: %d).\n",
- num_processors, pa->apic_id, NR_CPUS);
- bad_srat();
- return;
- }
- cpu_to_node[num_processors] = node;
+ apicid_to_node[pa->apic_id] = node;
acpi_numa = 1;
acpi_numa = 1;
- printk(KERN_INFO "SRAT: PXM %u -> APIC %u -> CPU %u -> Node %u\n",
- pxm, pa->apic_id, num_processors, node);
-
- num_processors++;
+ printk(KERN_INFO "SRAT: PXM %u -> APIC %u -> Node %u\n",
+ pxm, pa->apic_id, node);
}
/* Callback for parsing of the Proximity Domain <-> Memory Area mappings */
}
/* Callback for parsing of the Proximity Domain <-> Memory Area mappings */