[PATCH]: Stop bogus softlockup warnings in debug_show_all_locks

[Prarit Bhargava <prarit@redhat.com>]

Prevent bogus softlockup warnings when dumping lock debug info during a
sysrq-t.

Signed-off-by: Prarit Bhargava <prarit@redhat.com>

diff --git a/kernel/lockdep.c b/kernel/lockdep.c
index 734da57..376b398 100644
--- a/kernel/lockdep.c
+++ b/kernel/lockdep.c
@@ -3183,8 +3183,10 @@ retry:
 	printk("\n");
 	printk("=============================================\n\n");
 
-	if (unlock)
+	if (unlock) {
+		touch_all_softlockup_watchdogs();
 		read_unlock(&tasklist_lock);
+	}
 }
 
 EXPORT_SYMBOL_GPL(debug_show_all_locks);
-
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