[v2,4/4] sched: Annotate perf_domain pointer with __rcu
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Message ID 20190321003426.160260-5-joel@joelfernandes.org
State New
Headers show
  • RCU fixes for rcu_assign_pointer() usage
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Commit Message

Joel Fernandes March 21, 2019, 12:34 a.m. UTC
This fixes the following sparse errors in sched/fair.c:

fair.c:6506:14: error: incompatible types in comparison expression
fair.c:8642:21: error: incompatible types in comparison expression

Using __rcu will also help sparse catch any future bugs.

[From an RCU perspective]
Reviewed-by: Paul E. McKenney <paulmck@linux.ibm.com>
Signed-off-by: Joel Fernandes (Google) <joel@joelfernandes.org>
 kernel/sched/sched.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

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diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index 2b452d68ab2e..b52ed1ada0be 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -780,7 +780,7 @@  struct root_domain {
 	 * NULL-terminated list of performance domains intersecting with the
 	 * CPUs of the rd. Protected by RCU.
-	struct perf_domain	*pd;
+	struct perf_domain __rcu *pd;
 extern struct root_domain def_root_domain;