Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...

[firefly-linux-kernel-4.4.55.git] / kernel / watchdog.c

diff --git a/kernel/watchdog.c b/kernel/watchdog.c
index 3174bf8e353852ae886743b8ffbe33e46fb03c02..9a056f5bc02c8ed71a1ded6f925389f976241701 100644 (file)
--- a/kernel/watchdog.c
+++ b/kernel/watchdog.c
@@ -567,9 +567,37 @@ 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 = {