diff options
Diffstat (limited to 'arch/x86_64/mm/srat.c')
| -rw-r--r-- | arch/x86_64/mm/srat.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/arch/x86_64/mm/srat.c b/arch/x86_64/mm/srat.c index 7ac8ff333e8..acdf03e1914 100644 --- a/arch/x86_64/mm/srat.c +++ b/arch/x86_64/mm/srat.c @@ -470,10 +470,13 @@ static int __init find_node_by_addr(unsigned long addr) */ void __init acpi_fake_nodes(const struct bootnode *fake_nodes, int num_nodes) { - int i; + int i, j; int fake_node_to_pxm_map[MAX_NUMNODES] = { [0 ... MAX_NUMNODES-1] = PXM_INVAL }; + unsigned char fake_apicid_to_node[MAX_LOCAL_APIC] = { + [0 ... MAX_LOCAL_APIC-1] = NUMA_NO_NODE + }; printk(KERN_INFO "Faking PXM affinity for fake nodes on real " "topology.\n"); @@ -487,9 +490,17 @@ void __init acpi_fake_nodes(const struct bootnode *fake_nodes, int num_nodes) if (pxm == PXM_INVAL) continue; fake_node_to_pxm_map[i] = pxm; + /* + * For each apicid_to_node mapping that exists for this real + * node, it must now point to the fake node ID. + */ + for (j = 0; j < MAX_LOCAL_APIC; j++) + if (apicid_to_node[j] == nid) + fake_apicid_to_node[j] = i; } for (i = 0; i < num_nodes; i++) __acpi_map_pxm_to_node(fake_node_to_pxm_map[i], i); + memcpy(apicid_to_node, fake_apicid_to_node, sizeof(apicid_to_node)); nodes_clear(nodes_parsed); for (i = 0; i < num_nodes; i++) |