8 #ifdef CONFIG_X86_LOCAL_APIC
10 extern void die_nmi(char *str, struct pt_regs *regs, int do_panic);
11 extern int avail_to_resrv_perfctr_nmi_bit(unsigned int);
12 extern int reserve_perfctr_nmi(unsigned int);
13 extern void release_perfctr_nmi(unsigned int);
14 extern int reserve_evntsel_nmi(unsigned int);
15 extern void release_evntsel_nmi(unsigned int);
18 extern int proc_nmi_enabled(struct ctl_table *, int ,
19 void __user *, size_t *, loff_t *);
20 extern int unknown_nmi_panic;
22 void arch_trigger_all_cpu_backtrace(void);
23 #define arch_trigger_all_cpu_backtrace arch_trigger_all_cpu_backtrace
27 * Define some priorities for the nmi notifier call chain.
29 * Create a local nmi bit that has a higher priority than
30 * external nmis, because the local ones are more frequent.
32 * Also setup some default high/normal/low settings for
33 * subsystems to registers with. Using 4 bits to seperate
34 * the priorities. This can go alot higher if needed be.
37 #define NMI_LOCAL_SHIFT 16 /* randomly picked */
38 #define NMI_LOCAL_BIT (1ULL << NMI_LOCAL_SHIFT)
39 #define NMI_HIGH_PRIOR (1ULL << 8)
40 #define NMI_NORMAL_PRIOR (1ULL << 4)
41 #define NMI_LOW_PRIOR (1ULL << 0)
42 #define NMI_LOCAL_HIGH_PRIOR (NMI_LOCAL_BIT | NMI_HIGH_PRIOR)
43 #define NMI_LOCAL_NORMAL_PRIOR (NMI_LOCAL_BIT | NMI_NORMAL_PRIOR)
44 #define NMI_LOCAL_LOW_PRIOR (NMI_LOCAL_BIT | NMI_LOW_PRIOR)
47 void restart_nmi(void);
49 #endif /* _ASM_X86_NMI_H */