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-rw-r--r--arch/x86/kernel/apic/hw_nmi.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/arch/x86/kernel/apic/hw_nmi.c b/arch/x86/kernel/apic/hw_nmi.c
index 057f1ebebe0c..2e94eb493591 100644
--- a/arch/x86/kernel/apic/hw_nmi.c
+++ b/arch/x86/kernel/apic/hw_nmi.c
@@ -24,8 +24,14 @@ u64 hw_nmi_get_sample_period(void)
}
#endif
+#ifndef CONFIG_HARDLOCKUP_DETECTOR
+void touch_nmi_watchdog(void)
+{
+ touch_softlockup_watchdog();
+}
+EXPORT_SYMBOL(touch_nmi_watchdog);
+#endif
#ifdef arch_trigger_all_cpu_backtrace
-
/* For reliability, we're prepared to waste bits here. */
static DECLARE_BITMAP(backtrace_mask, NR_CPUS) __read_mostly;
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