diff options
author | Ingo Molnar <mingo@elte.hu> | 2009-04-07 11:15:40 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2009-04-07 11:15:40 +0200 |
commit | 5e34437840d33554f69380584311743b39e8fbeb (patch) | |
tree | e081135619ee146af5efb9ee883afca950df5757 /arch/x86/mm/srat_64.c | |
parent | 77d05632baee21b1cef8730d7c06aa69601e4dca (diff) | |
parent | d508afb437daee7cf07da085b635c44a4ebf9b38 (diff) |
Merge branch 'linus' into core/softlockup
Conflicts:
kernel/sysctl.c
Diffstat (limited to 'arch/x86/mm/srat_64.c')
-rw-r--r-- | arch/x86/mm/srat_64.c | 33 |
1 files changed, 32 insertions, 1 deletions
diff --git a/arch/x86/mm/srat_64.c b/arch/x86/mm/srat_64.c index 09737c8af07..c7d272b8574 100644 --- a/arch/x86/mm/srat_64.c +++ b/arch/x86/mm/srat_64.c @@ -20,7 +20,8 @@ #include <asm/proto.h> #include <asm/numa.h> #include <asm/e820.h> -#include <asm/genapic.h> +#include <asm/apic.h> +#include <asm/uv/uv.h> int acpi_numa __initdata; @@ -115,6 +116,36 @@ void __init acpi_numa_slit_init(struct acpi_table_slit *slit) reserve_early(phys, phys + length, "ACPI SLIT"); } +/* Callback for Proximity Domain -> x2APIC mapping */ +void __init +acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa) +{ + int pxm, node; + int apic_id; + + if (srat_disabled()) + return; + if (pa->header.length < sizeof(struct acpi_srat_x2apic_cpu_affinity)) { + bad_srat(); + return; + } + if ((pa->flags & ACPI_SRAT_CPU_ENABLED) == 0) + return; + pxm = pa->proximity_domain; + node = setup_node(pxm); + if (node < 0) { + printk(KERN_ERR "SRAT: Too many proximity domains %x\n", pxm); + bad_srat(); + return; + } + + apic_id = pa->apic_id; + apicid_to_node[apic_id] = node; + acpi_numa = 1; + printk(KERN_INFO "SRAT: PXM %u -> APIC %u -> Node %u\n", + pxm, apic_id, node); +} + /* Callback for Proximity Domain -> LAPIC mapping */ void __init acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa) |