xref: /openbmc/linux/include/linux/nmi.h (revision 22246614)
1 /*
2  *  linux/include/linux/nmi.h
3  */
4 #ifndef LINUX_NMI_H
5 #define LINUX_NMI_H
6 
7 #include <linux/sched.h>
8 #include <asm/irq.h>
9 
10 /**
11  * touch_nmi_watchdog - restart NMI watchdog timeout.
12  *
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.
16  */
17 #ifdef ARCH_HAS_NMI_WATCHDOG
18 #include <asm/nmi.h>
19 extern void touch_nmi_watchdog(void);
20 extern void acpi_nmi_disable(void);
21 extern void acpi_nmi_enable(void);
22 #else
23 static inline void touch_nmi_watchdog(void)
24 {
25 	touch_softlockup_watchdog();
26 }
27 static inline void acpi_nmi_disable(void) { }
28 static inline void acpi_nmi_enable(void) { }
29 #endif
30 
31 #ifndef trigger_all_cpu_backtrace
32 #define trigger_all_cpu_backtrace() do { } while (0)
33 #endif
34 
35 #endif
36