diff options
Diffstat (limited to 'arch/x86/kernel/apic/probe_64.c')
| -rw-r--r-- | arch/x86/kernel/apic/probe_64.c | 31 |
1 files changed, 24 insertions, 7 deletions
diff --git a/arch/x86/kernel/apic/probe_64.c b/arch/x86/kernel/apic/probe_64.c index bc3e880f9b8..c4cbd3080c1 100644 --- a/arch/x86/kernel/apic/probe_64.c +++ b/arch/x86/kernel/apic/probe_64.c @@ -44,29 +44,46 @@ static struct apic *apic_probe[] __initdata = { NULL, }; +static int apicid_phys_pkg_id(int initial_apic_id, int index_msb) +{ + return hard_smp_processor_id() >> index_msb; +} + /* * Check the APIC IDs in bios_cpu_apicid and choose the APIC mode. */ void __init default_setup_apic_routing(void) { #ifdef CONFIG_X86_X2APIC - if (x2apic_mode && (apic != &apic_x2apic_phys && + if (x2apic_mode #ifdef CONFIG_X86_UV - apic != &apic_x2apic_uv_x && + && apic != &apic_x2apic_uv_x #endif - apic != &apic_x2apic_cluster)) { + ) { if (x2apic_phys) apic = &apic_x2apic_phys; else apic = &apic_x2apic_cluster; - printk(KERN_INFO "Setting APIC routing to %s\n", apic->name); } #endif if (apic == &apic_flat) { - if (max_physical_apicid >= 8) - apic = &apic_physflat; - printk(KERN_INFO "Setting APIC routing to %s\n", apic->name); + switch (boot_cpu_data.x86_vendor) { + case X86_VENDOR_INTEL: + if (num_processors > 8) + apic = &apic_physflat; + break; + case X86_VENDOR_AMD: + if (max_physical_apicid >= 8) + apic = &apic_physflat; + } + } + + printk(KERN_INFO "Setting APIC routing to %s\n", apic->name); + + if (is_vsmp_box()) { + /* need to update phys_pkg_id */ + apic->phys_pkg_id = apicid_phys_pkg_id; } /* |