diff options
Diffstat (limited to 'arch/x86/kernel/smpboot.c')
| -rw-r--r-- | arch/x86/kernel/smpboot.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c index 75637fb760e..61b9a5b6fc0 100644 --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c | |||
| @@ -1,3 +1,44 @@ | |||
| 1 | /* | ||
| 2 | * x86 SMP booting functions | ||
| 3 | * | ||
| 4 | * (c) 1995 Alan Cox, Building #3 <alan@redhat.com> | ||
| 5 | * (c) 1998, 1999, 2000 Ingo Molnar <mingo@redhat.com> | ||
| 6 | * Copyright 2001 Andi Kleen, SuSE Labs. | ||
| 7 | * | ||
| 8 | * Much of the core SMP work is based on previous work by Thomas Radke, to | ||
| 9 | * whom a great many thanks are extended. | ||
| 10 | * | ||
| 11 | * Thanks to Intel for making available several different Pentium, | ||
| 12 | * Pentium Pro and Pentium-II/Xeon MP machines. | ||
| 13 | * Original development of Linux SMP code supported by Caldera. | ||
| 14 | * | ||
| 15 | * This code is released under the GNU General Public License version 2 or | ||
| 16 | * later. | ||
| 17 | * | ||
| 18 | * Fixes | ||
| 19 | * Felix Koop : NR_CPUS used properly | ||
| 20 | * Jose Renau : Handle single CPU case. | ||
| 21 | * Alan Cox : By repeated request 8) - Total BogoMIPS report. | ||
| 22 | * Greg Wright : Fix for kernel stacks panic. | ||
| 23 | * Erich Boleyn : MP v1.4 and additional changes. | ||
| 24 | * Matthias Sattler : Changes for 2.1 kernel map. | ||
| 25 | * Michel Lespinasse : Changes for 2.1 kernel map. | ||
| 26 | * Michael Chastain : Change trampoline.S to gnu as. | ||
| 27 | * Alan Cox : Dumb bug: 'B' step PPro's are fine | ||
| 28 | * Ingo Molnar : Added APIC timers, based on code | ||
| 29 | * from Jose Renau | ||
| 30 | * Ingo Molnar : various cleanups and rewrites | ||
| 31 | * Tigran Aivazian : fixed "0.00 in /proc/uptime on SMP" bug. | ||
| 32 | * Maciej W. Rozycki : Bits for genuine 82489DX APICs | ||
| 33 | * Andi Kleen : Changed for SMP boot into long mode. | ||
| 34 | * Martin J. Bligh : Added support for multi-quad systems | ||
| 35 | * Dave Jones : Report invalid combinations of Athlon CPUs. | ||
| 36 | * Rusty Russell : Hacked into shape for new "hotplug" boot process. | ||
| 37 | * Andi Kleen : Converted to new state machine. | ||
| 38 | * Ashok Raj : CPU hotplug support | ||
| 39 | * Glauber Costa : i386 and x86_64 integration | ||
| 40 | */ | ||
| 41 | |||
| 1 | #include <linux/init.h> | 42 | #include <linux/init.h> |
| 2 | #include <linux/smp.h> | 43 | #include <linux/smp.h> |
| 3 | #include <linux/module.h> | 44 | #include <linux/module.h> |
| @@ -44,6 +85,7 @@ u16 x86_bios_cpu_apicid_init[NR_CPUS] __initdata | |||
| 44 | void *x86_bios_cpu_apicid_early_ptr; | 85 | void *x86_bios_cpu_apicid_early_ptr; |
| 45 | DEFINE_PER_CPU(u16, x86_bios_cpu_apicid) = BAD_APICID; | 86 | DEFINE_PER_CPU(u16, x86_bios_cpu_apicid) = BAD_APICID; |
| 46 | EXPORT_PER_CPU_SYMBOL(x86_bios_cpu_apicid); | 87 | EXPORT_PER_CPU_SYMBOL(x86_bios_cpu_apicid); |
| 88 | u8 apicid_2_node[MAX_APICID]; | ||
| 47 | #endif | 89 | #endif |
| 48 | 90 | ||
| 49 | /* State of each CPU */ | 91 | /* State of each CPU */ |