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-rw-r--r--kernel/watchdog.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/kernel/watchdog.c b/kernel/watchdog.c
index f2be11ab7e08..2316f50b07a4 100644
--- a/kernel/watchdog.c
+++ b/kernel/watchdog.c
@@ -603,9 +603,37 @@ static void watchdog_nmi_disable(unsigned int cpu)
cpu0_err = 0;
}
}
+
+void watchdog_nmi_enable_all(void)
+{
+ int cpu;
+
+ if (!watchdog_user_enabled)
+ return;
+
+ get_online_cpus();
+ for_each_online_cpu(cpu)
+ watchdog_nmi_enable(cpu);
+ put_online_cpus();
+}
+
+void watchdog_nmi_disable_all(void)
+{
+ int cpu;
+
+ if (!watchdog_running)
+ return;
+
+ get_online_cpus();
+ for_each_online_cpu(cpu)
+ watchdog_nmi_disable(cpu);
+ put_online_cpus();
+}
#else
static int watchdog_nmi_enable(unsigned int cpu) { return 0; }
static void watchdog_nmi_disable(unsigned int cpu) { return; }
+void watchdog_nmi_enable_all(void) {}
+void watchdog_nmi_disable_all(void) {}
#endif /* CONFIG_HARDLOCKUP_DETECTOR */
static struct smp_hotplug_thread watchdog_threads = {