These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / kernel / notifier.c

diff --git a/kernel/kernel/notifier.c b/kernel/kernel/notifier.c
index ae9fc7c..fd2c9ac 100644 (file)
--- a/kernel/kernel/notifier.c
+++ b/kernel/kernel/notifier.c
@@ -544,6 +544,8 @@ int notrace notify_die(enum die_val val, const char *str,
                .signr  = sig,
 
        };
+       RCU_LOCKDEP_WARN(!rcu_is_watching(),
+                          "notify_die called but RCU thinks we're quiescent");
        return atomic_notifier_call_chain(&die_chain, val, &args);
 }
 NOKPROBE_SYMBOL(notify_die);