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x86: move apic variables to apic.c 

Impact: Code movement

Move the variable definitions to apic.c.  Ifdef the copying of
the two early per-cpu variables, since Voyager doesn't use them.

Signed-off-by: Brian Gerst <brgerst@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Brian Gerst 2009-01-27 12:56:47 +09:00 committed by Tejun Heo
parent 74631a248d
commit ec70de8b04
2 changed files with 20 additions and 20 deletions
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18
arch/x86/kernel/apic.c
View File

@ -60,6 +60,24 @@
# error SPURIOUS_APIC_VECTOR definition error
#endif
unsigned int num_processors;
unsigned disabled_cpus __cpuinitdata;
/* Processor that is doing the boot up */
unsigned int boot_cpu_physical_apicid = -1U;
EXPORT_SYMBOL(boot_cpu_physical_apicid);
unsigned int max_physical_apicid;
/* Bitmask of physically existing CPUs */
physid_mask_t phys_cpu_present_map;
/*
* Map cpu index to physical APIC ID
*/
DEFINE_EARLY_PER_CPU(u16, x86_cpu_to_apicid, BAD_APICID);
DEFINE_EARLY_PER_CPU(u16, x86_bios_cpu_apicid, BAD_APICID);
EXPORT_EARLY_PER_CPU_SYMBOL(x86_cpu_to_apicid);
EXPORT_EARLY_PER_CPU_SYMBOL(x86_bios_cpu_apicid);
#ifdef CONFIG_X86_32
/*
* Knob to control our willingness to enable the local APIC.

22
arch/x86/kernel/setup_percpu.c
View File

@ -31,26 +31,6 @@ DEFINE_PER_CPU(int, cpu_number);
EXPORT_PER_CPU_SYMBOL(cpu_number);
#endif
#ifdef CONFIG_X86_LOCAL_APIC
unsigned int num_processors;
unsigned disabled_cpus __cpuinitdata;
/* Processor that is doing the boot up */
unsigned int boot_cpu_physical_apicid = -1U;
EXPORT_SYMBOL(boot_cpu_physical_apicid);
unsigned int max_physical_apicid;
/* Bitmask of physically existing CPUs */
physid_mask_t phys_cpu_present_map;
#endif
/*
* Map cpu index to physical APIC ID
*/
DEFINE_EARLY_PER_CPU(u16, x86_cpu_to_apicid, BAD_APICID);
DEFINE_EARLY_PER_CPU(u16, x86_bios_cpu_apicid, BAD_APICID);
EXPORT_EARLY_PER_CPU_SYMBOL(x86_cpu_to_apicid);
EXPORT_EARLY_PER_CPU_SYMBOL(x86_bios_cpu_apicid);
#ifdef CONFIG_HAVE_SETUP_PER_CPU_AREA
#ifdef CONFIG_X86_64
@ -108,10 +88,12 @@ void __init setup_per_cpu_areas(void)
* per cpu data areas. These arrays then become expendable and the
* *_early_ptr's are zeroed indicating that the static arrays are gone.
*/
#ifdef CONFIG_X86_LOCAL_APIC
per_cpu(x86_cpu_to_apicid, cpu) =
early_per_cpu_map(x86_cpu_to_apicid, cpu);
per_cpu(x86_bios_cpu_apicid, cpu) =
early_per_cpu_map(x86_bios_cpu_apicid, cpu);
#endif
#ifdef CONFIG_X86_64
per_cpu(irq_stack_ptr, cpu) =
per_cpu(irq_stack_union.irq_stack, cpu) + IRQ_STACK_SIZE - 64;