8 #ifdef CONFIG_X86_LOCAL_APIC
10 extern int avail_to_resrv_perfctr_nmi_bit(unsigned int);
11 extern int reserve_perfctr_nmi(unsigned int);
12 extern void release_perfctr_nmi(unsigned int);
13 extern int reserve_evntsel_nmi(unsigned int);
14 extern void release_evntsel_nmi(unsigned int);
17 extern int proc_nmi_enabled(struct ctl_table *, int ,
18 void __user *, size_t *, loff_t *);
19 extern int unknown_nmi_panic;
22 #if (defined(CONFIG_X86_LOCAL_APIC) && !defined(CONFIG_XEN)) || \
23 (defined(CONFIG_XEN_SMPBOOT) && CONFIG_XEN_COMPAT >= 0x030200)
24 void arch_trigger_all_cpu_backtrace(void);
25 #define arch_trigger_all_cpu_backtrace arch_trigger_all_cpu_backtrace
28 #define NMI_FLAG_FIRST 1
39 typedef int (*nmi_handler_t)(unsigned int, struct pt_regs *);
41 int register_nmi_handler(unsigned int, nmi_handler_t, unsigned long,
44 void unregister_nmi_handler(unsigned int, const char *);
47 void restart_nmi(void);
48 void local_touch_nmi(void);
50 #endif /* _ASM_X86_NMI_H */