From 7171a5de9832b53122a9787586e18e9523b5b47e Mon Sep 17 00:00:00 2001
From: Daniel Mentz <danielmentz@google.com>
Date: Wed, 23 Dec 2020 16:02:50 -0800
Subject: [PATCH] ANDROID: sched: Export sched_domains_mutex for lockdep

If CONFIG_LOCKDEP is enabled, export sched_domains_mutex as it is
indirectly accessed by the macro for_each_domain, and that macro might
be used in module code.

Bug: 176254015
Signed-off-by: Daniel Mentz <danielmentz@google.com>
Change-Id: Ia9f2989de41b2224c63855f2fd129cbeeac4f195
Signed-off-by: Will McVicker <willmcvicker@google.com>
---
 kernel/sched/topology.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/kernel/sched/topology.c b/kernel/sched/topology.c
index 0c76f19ecc4c..8e475521f033 100644
--- a/kernel/sched/topology.c
+++ b/kernel/sched/topology.c
@@ -7,6 +7,9 @@
 #include <trace/hooks/sched.h>
 
 DEFINE_MUTEX(sched_domains_mutex);
+#ifdef CONFIG_LOCKDEP
+EXPORT_SYMBOL_GPL(sched_domains_mutex);
+#endif
 
 /* Protected by sched_domains_mutex: */
 static cpumask_var_t sched_domains_tmpmask;