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1965aae3c9
Change header guards named "ASM_X86__*" to "_ASM_X86_*" since: a. the double underscore is ugly and pointless. b. no leading underscore violates namespace constraints. Signed-off-by: H. Peter Anvin <hpa@zytor.com>
30 lines
619 B
C
30 lines
619 B
C
/*
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* Per-cpu current frame pointer - the location of the last exception frame on
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* the stack, stored in the per-cpu area.
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*
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* Jeremy Fitzhardinge <jeremy@goop.org>
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*/
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#ifndef _ASM_X86_IRQ_REGS_32_H
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#define _ASM_X86_IRQ_REGS_32_H
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#include <asm/percpu.h>
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DECLARE_PER_CPU(struct pt_regs *, irq_regs);
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static inline struct pt_regs *get_irq_regs(void)
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{
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return x86_read_percpu(irq_regs);
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}
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static inline struct pt_regs *set_irq_regs(struct pt_regs *new_regs)
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{
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struct pt_regs *old_regs;
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old_regs = get_irq_regs();
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x86_write_percpu(irq_regs, new_regs);
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return old_regs;
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}
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#endif /* _ASM_X86_IRQ_REGS_32_H */
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