---

yaml --- r: 205394 b: refs/heads/master c: d7c5473 h: refs/heads/master v: v3
git-mirror · May 12, 2010 · 0c1dc77 · 0c1dc77
1 parent 3f718c4
commit 0c1dc77
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Showing 2 changed files with 5 additions and 4 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 10f9014912a2b1cb59c39cdea777e6d9afa8f17e
+refs/heads/master: d7c547335fa6b0090fa09c46ea0e965ac273a27e
diff --git a/trunk/kernel/watchdog.c b/trunk/kernel/watchdog.c
@@ -31,6 +31,7 @@ int watchdog_enabled;
 int __read_mostly softlockup_thresh = 60;
 
 static DEFINE_PER_CPU(unsigned long, watchdog_touch_ts);
+static DEFINE_PER_CPU(bool, watchdog_nmi_touch);
 static DEFINE_PER_CPU(struct task_struct *, softlockup_watchdog);
 static DEFINE_PER_CPU(struct hrtimer, watchdog_hrtimer);
 static DEFINE_PER_CPU(bool, softlockup_touch_sync);
@@ -139,6 +140,7 @@ void touch_all_softlockup_watchdogs(void)
 
 void touch_nmi_watchdog(void)
 {
+	__get_cpu_var(watchdog_nmi_touch) = true;
 	touch_softlockup_watchdog();
 }
 EXPORT_SYMBOL(touch_nmi_watchdog);
@@ -201,10 +203,9 @@ void watchdog_overflow_callback(struct perf_event *event, int nmi,
 		 struct pt_regs *regs)
 {
 	int this_cpu = smp_processor_id();
-	unsigned long touch_ts = per_cpu(watchdog_touch_ts, this_cpu);
 
-	if (touch_ts == 0) {
-		__touch_watchdog();
+	if (__get_cpu_var(watchdog_nmi_touch) == true) {
+		__get_cpu_var(watchdog_nmi_touch) = false;
 		return;
 	}