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