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23 lines
539 B
23 lines
539 B
#ifndef _ASM_X86_VSYSCALL_H |
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#define _ASM_X86_VSYSCALL_H |
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#include <linux/seqlock.h> |
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#include <uapi/asm/vsyscall.h> |
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#ifdef CONFIG_X86_VSYSCALL_EMULATION |
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extern void map_vsyscall(void); |
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/* |
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* Called on instruction fetch fault in vsyscall page. |
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* Returns true if handled. |
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*/ |
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extern bool emulate_vsyscall(struct pt_regs *regs, unsigned long address); |
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#else |
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static inline void map_vsyscall(void) {} |
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static inline bool emulate_vsyscall(struct pt_regs *regs, unsigned long address) |
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{ |
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return false; |
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} |
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#endif |
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#endif /* _ASM_X86_VSYSCALL_H */
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