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/*
* SMP stuff which is common to all sub-architectures.
*/
#include <linux/module.h>
#include <asm/smp.h>
#include <asm/sections.h>
#ifdef CONFIG_X86_64
DEFINE_PER_CPU(unsigned long, this_cpu_off) = (unsigned long)__per_cpu_load;
#else
DEFINE_PER_CPU(unsigned long, this_cpu_off);
#endif
EXPORT_PER_CPU_SYMBOL(this_cpu_off);
#ifdef CONFIG_X86_32
/*
* Initialize the CPU's GDT. This is either the boot CPU doing itself
* (still using the master per-cpu area), or a CPU doing it for a
* secondary which will soon come up.
*/
__cpuinit void init_gdt(int cpu)
{
struct desc_struct gdt;
pack_descriptor(&gdt, __per_cpu_offset[cpu], 0xFFFFF,
0x2 | DESCTYPE_S, 0x8);
gdt.s = 1;
write_gdt_entry(get_cpu_gdt_table(cpu),
GDT_ENTRY_PERCPU, &gdt, DESCTYPE_S);
per_cpu(cpu_number, cpu) = cpu;
}
#endif
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