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 #if defined(CONFIG_HAVE_NMI_WATCHDOG) || defined(CONFIG_HARDLOCKUP_DETECTOR_NMI)
21 #if defined(CONFIG_HAVE_NMI_WATCHDOG) || defined(CONFIG_HARDLOCKUP_DETECTOR)
22 extern void touch_nmi_watchdog(void);
24 static inline void touch_nmi_watchdog(void)
26 touch_softlockup_watchdog();
31 * Create trigger_all_cpu_backtrace() out of the arch-provided
32 * base function. Return whether such support was available,
33 * to allow calling code to fall back to some other mechanism:
35 #ifdef arch_trigger_all_cpu_backtrace
36 static inline bool trigger_all_cpu_backtrace(void)
38 arch_trigger_all_cpu_backtrace();
43 static inline bool trigger_all_cpu_backtrace(void)
49 #ifdef CONFIG_LOCKUP_DETECTOR
50 int hw_nmi_is_cpu_stuck(struct pt_regs *);
51 u64 hw_nmi_get_sample_period(int watchdog_thresh);
52 extern int watchdog_enabled;
53 extern int watchdog_thresh;
55 extern int proc_dowatchdog(struct ctl_table *, int ,
56 void __user *, size_t *, loff_t *);