diff options
Diffstat (limited to 'arch/x86/kernel/smpboot.c')
| -rw-r--r-- | arch/x86/kernel/smpboot.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c index 6a7fb13..75637fb 100644 --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c @@ -25,6 +25,27 @@ #include <mach_wakecpu.h> #include <smpboot_hooks.h> +/* + * FIXME: For x86_64, those are defined in other files. But moving them here, + * would make the setup areas dependent on smp, which is a loss. When we + * integrate apic between arches, we can probably do a better job, but + * right now, they'll stay here -- glommer + */ +#ifdef CONFIG_X86_32 +/* which logical CPU number maps to which CPU (physical APIC ID) */ +u16 x86_cpu_to_apicid_init[NR_CPUS] __initdata = + { [0 ... NR_CPUS-1] = BAD_APICID }; +void *x86_cpu_to_apicid_early_ptr; +DEFINE_PER_CPU(u16, x86_cpu_to_apicid) = BAD_APICID; +EXPORT_PER_CPU_SYMBOL(x86_cpu_to_apicid); + +u16 x86_bios_cpu_apicid_init[NR_CPUS] __initdata + = { [0 ... NR_CPUS-1] = BAD_APICID }; +void *x86_bios_cpu_apicid_early_ptr; +DEFINE_PER_CPU(u16, x86_bios_cpu_apicid) = BAD_APICID; +EXPORT_PER_CPU_SYMBOL(x86_bios_cpu_apicid); +#endif + /* State of each CPU */ DEFINE_PER_CPU(int, cpu_state) = { 0 }; |