diff options
Diffstat (limited to 'arch/i386/kernel/mpparse.c')
| -rw-r--r-- | arch/i386/kernel/mpparse.c | 39 |
1 files changed, 22 insertions, 17 deletions
diff --git a/arch/i386/kernel/mpparse.c b/arch/i386/kernel/mpparse.c index ce838abb27d8..15949fd08109 100644 --- a/arch/i386/kernel/mpparse.c +++ b/arch/i386/kernel/mpparse.c @@ -65,6 +65,8 @@ int nr_ioapics; int pic_mode; unsigned long mp_lapic_addr; +unsigned int def_to_bigsmp = 0; + /* Processor that is doing the boot up */ unsigned int boot_cpu_physical_apicid = -1U; /* Internal processor count */ @@ -121,7 +123,7 @@ static int MP_valid_apicid(int apicid, int version) static void __init MP_processor_info (struct mpc_config_processor *m) { int ver, apicid; - physid_mask_t tmp; + physid_mask_t phys_cpu; if (!(m->mpc_cpuflag & CPU_ENABLED)) return; @@ -192,27 +194,36 @@ static void __init MP_processor_info (struct mpc_config_processor *m) " Processor ignored.\n", maxcpus); return; } - num_processors++; ver = m->mpc_apicver; if (!MP_valid_apicid(apicid, ver)) { printk(KERN_WARNING "Processor #%d INVALID. (Max ID: %d).\n", m->mpc_apicid, MAX_APICS); - --num_processors; return; } - tmp = apicid_to_cpu_present(apicid); - physids_or(phys_cpu_present_map, phys_cpu_present_map, tmp); - + cpu_set(num_processors, cpu_possible_map); + num_processors++; + phys_cpu = apicid_to_cpu_present(apicid); + physids_or(phys_cpu_present_map, phys_cpu_present_map, phys_cpu); + /* * Validate version */ if (ver == 0x0) { - printk(KERN_WARNING "BIOS bug, APIC version is 0 for CPU#%d! fixing up to 0x10. (tell your hw vendor)\n", m->mpc_apicid); + printk(KERN_WARNING "BIOS bug, APIC version is 0 for CPU#%d! " + "fixing up to 0x10. (tell your hw vendor)\n", + m->mpc_apicid); ver = 0x10; } apic_version[m->mpc_apicid] = ver; + if ((num_processors > 8) && + APIC_XAPIC(ver) && + (boot_cpu_data.x86_vendor == X86_VENDOR_INTEL)) + def_to_bigsmp = 1; + else + def_to_bigsmp = 0; + bios_cpu_apicid[num_processors - 1] = m->mpc_apicid; } @@ -653,8 +664,6 @@ void __init get_smp_config (void) struct intel_mp_floating *mpf = mpf_found; /* - * ACPI may be used to obtain the entire SMP configuration or just to - * enumerate/configure processors (CONFIG_ACPI_BOOT). Note that * ACPI supports both logical (e.g. Hyper-Threading) and physical * processors, where MPS only supports physical. */ @@ -810,7 +819,7 @@ void __init find_smp_config (void) ACPI-based MP Configuration -------------------------------------------------------------------------- */ -#ifdef CONFIG_ACPI_BOOT +#ifdef CONFIG_ACPI void __init mp_register_lapic_address ( u64 address) @@ -856,7 +865,7 @@ void __init mp_register_lapic ( MP_processor_info(&processor); } -#if defined(CONFIG_X86_IO_APIC) && (defined(CONFIG_ACPI_INTERPRETER) || defined(CONFIG_ACPI_BOOT)) +#ifdef CONFIG_X86_IO_APIC #define MP_ISA_BUS 0 #define MP_MAX_IOAPIC_PIN 127 @@ -1071,11 +1080,9 @@ int mp_register_gsi (u32 gsi, int edge_level, int active_high_low) */ static int gsi_to_irq[MAX_GSI_NUM]; -#ifdef CONFIG_ACPI_BUS /* Don't set up the ACPI SCI because it's already set up */ if (acpi_fadt.sci_int == gsi) return gsi; -#endif ioapic = mp_find_ioapic(gsi); if (ioapic < 0) { @@ -1118,13 +1125,11 @@ int mp_register_gsi (u32 gsi, int edge_level, int active_high_low) if (gsi < MAX_GSI_NUM) { if (gsi > 15) gsi = pci_irq++; -#ifdef CONFIG_ACPI_BUS /* * Don't assign IRQ used by ACPI SCI */ if (gsi == acpi_fadt.sci_int) gsi = pci_irq++; -#endif gsi_to_irq[irq] = gsi; } else { printk(KERN_ERR "GSI %u is too high\n", gsi); @@ -1138,5 +1143,5 @@ int mp_register_gsi (u32 gsi, int edge_level, int active_high_low) return gsi; } -#endif /*CONFIG_X86_IO_APIC && (CONFIG_ACPI_INTERPRETER || CONFIG_ACPI_BOOT)*/ -#endif /*CONFIG_ACPI_BOOT*/ +#endif /* CONFIG_X86_IO_APIC */ +#endif /* CONFIG_ACPI */ |