Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next

[firefly-linux-kernel-4.4.55.git] / kernel / notifier.c

diff --git a/kernel/notifier.c b/kernel/notifier.c
index ae9fc7cc360ebea6088db4ae0206e452d856214b..fd2c9acbcc19856f4b53e28d1acd9f5d1cdae165 100644 (file)
--- a/kernel/notifier.c
+++ b/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);