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| author | Len Brown <len.brown@intel.com> | 2005-09-08 07:45:47 +0200 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2005-09-08 07:45:47 +0200 |
| commit | 64e47488c913ac704d465a6af86a26786d1412a5 (patch) | |
| tree | d3b0148592963dcde26e4bb35ddfec8b1eaf8e23 /arch/i386/kernel/mpparse.c | |
| parent | [ACPI] revert bad processor_core.c patch for bug 5128 (diff) | |
| parent | [SCSI] Re-do "final klist fixes" (diff) | |
| download | linux-64e47488c913ac704d465a6af86a26786d1412a5.tar.xz linux-64e47488c913ac704d465a6af86a26786d1412a5.zip | |
Merge linux-2.6 with linux-acpi-2.6
Diffstat (limited to 'arch/i386/kernel/mpparse.c')
| -rw-r--r-- | arch/i386/kernel/mpparse.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/arch/i386/kernel/mpparse.c b/arch/i386/kernel/mpparse.c index 97dbf289dbd5..cafaeffe3818 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 */ @@ -120,7 +122,7 @@ static int MP_valid_apicid(int apicid, int version) static void __init MP_processor_info (struct mpc_config_processor *m) { - int ver, apicid; + int ver, apicid, cpu, found_bsp = 0; physid_mask_t tmp; if (!(m->mpc_cpuflag & CPU_ENABLED)) @@ -179,6 +181,7 @@ static void __init MP_processor_info (struct mpc_config_processor *m) if (m->mpc_cpuflag & CPU_BOOTPROCESSOR) { Dprintk(" Bootup CPU\n"); boot_cpu_physical_apicid = m->mpc_apicid; + found_bsp = 1; } if (num_processors >= NR_CPUS) { @@ -202,6 +205,11 @@ static void __init MP_processor_info (struct mpc_config_processor *m) return; } + if (found_bsp) + cpu = 0; + else + cpu = num_processors - 1; + cpu_set(cpu, cpu_possible_map); tmp = apicid_to_cpu_present(apicid); physids_or(phys_cpu_present_map, phys_cpu_present_map, tmp); @@ -213,6 +221,13 @@ static void __init MP_processor_info (struct mpc_config_processor *m) 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; } |