Merge linux-2.6 with linux-acpi-2.6

[~andy/linux] / arch / i386 / kernel / mpparse.c

diff --git a/arch/i386/kernel/mpparse.c b/arch/i386/kernel/mpparse.c
index 97dbf289dbd5e0cc8a6e9fb1828cc68eed144842..cafaeffe381857bd19de265957f9782496063f48 100644 (file)
--- 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;
 }