diff options
author | Andy Voltz <andy.voltz@timesys.com> | 2010-11-15 16:00:38 -0500 |
---|---|---|
committer | Andy Voltz <andy.voltz@timesys.com> | 2010-11-17 11:30:34 -0500 |
commit | 2e0ae4bf137e282e825b27b02eb46f86c59d004e (patch) | |
tree | 7c2534acd757ca414f02c5b983ee67eb2b2493c6 /arch/x86/kernel/apic/probe_32.c | |
parent | 22763c5cf3690a681551162c15d34d935308c8d7 (diff) |
Bump Linux kernel to 2.6.32.25
Diffstat (limited to 'arch/x86/kernel/apic/probe_32.c')
-rw-r--r-- | arch/x86/kernel/apic/probe_32.c | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/arch/x86/kernel/apic/probe_32.c b/arch/x86/kernel/apic/probe_32.c index 0c0182cc947d..88b9d22c8432 100644 --- a/arch/x86/kernel/apic/probe_32.c +++ b/arch/x86/kernel/apic/probe_32.c @@ -54,6 +54,31 @@ late_initcall(print_ipi_mode); void default_setup_apic_routing(void) { + int version = apic_version[boot_cpu_physical_apicid]; + + if (num_possible_cpus() > 8) { + switch (boot_cpu_data.x86_vendor) { + case X86_VENDOR_INTEL: + if (!APIC_XAPIC(version)) { + def_to_bigsmp = 0; + break; + } + /* If P4 and above fall through */ + case X86_VENDOR_AMD: + def_to_bigsmp = 1; + } + } + +#ifdef CONFIG_X86_BIGSMP + generic_bigsmp_probe(); +#endif + + if (apic->setup_apic_routing) + apic->setup_apic_routing(); +} + +void setup_apic_flat_routing(void) +{ #ifdef CONFIG_X86_IO_APIC printk(KERN_INFO "Enabling APIC mode: Flat. Using %d I/O APICs\n", @@ -103,7 +128,7 @@ struct apic apic_default = { .init_apic_ldr = default_init_apic_ldr, .ioapic_phys_id_map = default_ioapic_phys_id_map, - .setup_apic_routing = default_setup_apic_routing, + .setup_apic_routing = setup_apic_flat_routing, .multi_timer_check = NULL, .apicid_to_node = default_apicid_to_node, .cpu_to_logical_apicid = default_cpu_to_logical_apicid, |