summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--kernel/watchdog.c20
1 files changed, 8 insertions, 12 deletions
diff --git a/kernel/watchdog.c b/kernel/watchdog.c
index 8cf0678378d2..7c397907d0e9 100644
--- a/kernel/watchdog.c
+++ b/kernel/watchdog.c
@@ -376,7 +376,14 @@ static enum hrtimer_restart watchdog_timer_fn(struct hrtimer *hrtimer)
/* .. and repeat */
hrtimer_forward_now(hrtimer, ns_to_ktime(sample_period));
- /* Reset the interval when touched externally by a known slow code. */
+ /*
+ * 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 process the timestamps.
+ */
+ kvm_check_and_clear_guest_paused();
+
+ /* Reset the interval when touched by known problematic code. */
if (period_ts == SOFTLOCKUP_DELAY_REPORT) {
if (unlikely(__this_cpu_read(softlockup_touch_sync))) {
/*
@@ -387,10 +394,7 @@ static enum hrtimer_restart watchdog_timer_fn(struct hrtimer *hrtimer)
sched_clock_tick();
}
- /* Clear the guest paused flag on watchdog reset */
- kvm_check_and_clear_guest_paused();
update_report_ts();
-
return HRTIMER_RESTART;
}
@@ -403,14 +407,6 @@ static enum hrtimer_restart watchdog_timer_fn(struct hrtimer *hrtimer)
duration = is_softlockup(touch_ts, period_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;
-
- /*
* Prevent multiple soft-lockup reports if one cpu is already
* engaged in dumping all cpu back traces.
*/