tracing/kprobes: unregister_trace_probe needs to be called under mutex
[sfrench/cifs-2.6.git] / include / linux / nmi.h
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 /*
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:
35  */
36 #ifdef arch_trigger_all_cpu_backtrace
37 static inline bool trigger_all_cpu_backtrace(void)
38 {
39         arch_trigger_all_cpu_backtrace();
40
41         return true;
42 }
43 #else
44 static inline bool trigger_all_cpu_backtrace(void)
45 {
46         return false;
47 }
48 #endif
49
50 #endif