2 * linux/include/linux/nmi.h
7 #include <linux/sched.h>
11 * touch_nmi_watchdog - restart NMI watchdog timeout.
13 * If the architecture supports the NMI watchdog, touch_nmi_watchdog()
14 * may be used to reset the timeout - for code which intentionally
15 * disables interrupts for a long time. This call is stateless.
17 #ifdef ARCH_HAS_NMI_WATCHDOG
19 extern void touch_nmi_watchdog(void);
21 #ifndef CONFIG_HARDLOCKUP_DETECTOR
22 static inline void touch_nmi_watchdog(void)
24 touch_softlockup_watchdog();
27 extern void touch_nmi_watchdog(void);
32 * Create trigger_all_cpu_backtrace() out of the arch-provided
33 * base function. Return whether such support was available,
34 * to allow calling code to fall back to some other mechanism:
36 #ifdef arch_trigger_all_cpu_backtrace
37 static inline bool trigger_all_cpu_backtrace(void)
39 arch_trigger_all_cpu_backtrace();
44 static inline bool trigger_all_cpu_backtrace(void)
50 #ifdef CONFIG_LOCKUP_DETECTOR
51 int hw_nmi_is_cpu_stuck(struct pt_regs *);
52 u64 hw_nmi_get_sample_period(void);
53 extern int watchdog_enabled;
55 extern int proc_dowatchdog_enabled(struct ctl_table *, int ,
56 void __user *, size_t *, loff_t *);