1 files changed, 12 insertions, 0 deletions

diff --git a/kernel/watchdog.c b/kernel/watchdog.c
index df30ee08bdd4..e5e1d85b8c7c 100644
--- a/kernel/watchdog.c
+++ b/kernel/watchdog.c
@@ -24,6 +24,7 @@
 #include <linux/sysctl.h>
 
 #include <asm/irq_regs.h>
+#include <linux/kvm_para.h>
 #include <linux/perf_event.h>
 
 int watchdog_enabled = 1;
@@ -280,6 +281,9 @@ static enum hrtimer_restart watchdog_timer_fn(struct hrtimer *hrtimer)
                         __this_cpu_write(softlockup_touch_sync, false);
                         sched_clock_tick();
                 }
+
+                /* Clear the guest paused flag on watchdog reset */
+                kvm_check_and_clear_guest_paused();
                 __touch_watchdog();
                 return HRTIMER_RESTART;
         }
@@ -292,6 +296,14 @@ static enum hrtimer_restart watchdog_timer_fn(struct hrtimer *hrtimer)
          */
         duration = is_softlockup(touch_ts);
         if (unlikely(duration)) {
+                /*
+                 * If a virtual machine is stopped by the host it can look to
+                 * the watchdog like a soft lockup, check to see if the host
+                 * stopped the vm before we issue the warning
+                 */
+                if (kvm_check_and_clear_guest_paused())
+                        return HRTIMER_RESTART;
+
                 /* only warn once */
                 if (__this_cpu_read(soft_watchdog_warn) == true)
                         return HRTIMER_RESTART;