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31 lines
654 B
31 lines
654 B
#ifndef __ARCH_I386_PERCPU__
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#define __ARCH_I386_PERCPU__
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#ifndef __ASSEMBLY__
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#include <asm-generic/percpu.h>
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#else
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/*
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* PER_CPU finds an address of a per-cpu variable.
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*
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* Args:
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* var - variable name
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* cpu - 32bit register containing the current CPU number
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*
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* The resulting address is stored in the "cpu" argument.
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*
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* Example:
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* PER_CPU(cpu_gdt_descr, %ebx)
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*/
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#ifdef CONFIG_SMP
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#define PER_CPU(var, cpu) \
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movl __per_cpu_offset(,cpu,4), cpu; \
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addl $per_cpu__##var, cpu;
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#else /* ! SMP */
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#define PER_CPU(var, cpu) \
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movl $per_cpu__##var, cpu;
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#endif /* SMP */
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#endif /* !__ASSEMBLY__ */
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#endif /* __ARCH_I386_PERCPU__ */
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