51 lines
1.1 KiB
C
51 lines
1.1 KiB
C
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/*
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* linux/include/linux/nmi.h
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*/
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#ifndef LINUX_NMI_H
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#define LINUX_NMI_H
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#include <linux/sched.h>
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#include <asm/irq.h>
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/**
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* touch_nmi_watchdog - restart NMI watchdog timeout.
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*
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* If the architecture supports the NMI watchdog, touch_nmi_watchdog()
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* may be used to reset the timeout - for code which intentionally
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* disables interrupts for a long time. This call is stateless.
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*/
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#ifdef ARCH_HAS_NMI_WATCHDOG
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#include <asm/nmi.h>
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extern void touch_nmi_watchdog(void);
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extern void acpi_nmi_disable(void);
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extern void acpi_nmi_enable(void);
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#else
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static inline void touch_nmi_watchdog(void)
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{
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touch_softlockup_watchdog();
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}
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static inline void acpi_nmi_disable(void) { }
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static inline void acpi_nmi_enable(void) { }
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#endif
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/*
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* Create trigger_all_cpu_backtrace() out of the arch-provided
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* base function. Return whether such support was available,
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* to allow calling code to fall back to some other mechanism:
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*/
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#ifdef arch_trigger_all_cpu_backtrace
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static inline bool trigger_all_cpu_backtrace(void)
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{
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arch_trigger_all_cpu_backtrace();
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return true;
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}
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#else
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static inline bool trigger_all_cpu_backtrace(void)
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{
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return false;
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}
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#endif
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#endif
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