diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/asm-x86/nmi.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/asm-x86/nmi.h b/include/asm-x86/nmi.h index 1348e542360..21f8d0202a8 100644 --- a/include/asm-x86/nmi.h +++ b/include/asm-x86/nmi.h @@ -56,6 +56,19 @@ static inline void localise_nmi_watchdog(void) if (nmi_watchdog == NMI_IO_APIC) nmi_watchdog = NMI_LOCAL_APIC; } + +/* check if nmi_watchdog is active (ie was specified at boot) */ +static inline int nmi_watchdog_active(void) +{ + /* + * actually it should be: + * return (nmi_watchdog == NMI_LOCAL_APIC || + * nmi_watchdog == NMI_IO_APIC) + * but since they are power of two we could use a + * cheaper way --cvg + */ + return nmi_watchdog & 0x3; +} #endif void lapic_watchdog_stop(void); |