Merge tag 'gpio-v5.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux...

[sfrench/cifs-2.6.git] / kernel / rcu / update.c

diff --git a/kernel/rcu/update.c b/kernel/rcu/update.c
index c3bf44ba42e5420117601047fc7d1bdd7d511bad..61df2bf08563201e54b0ad667be1cab049c50aea 100644 (file)
--- a/kernel/rcu/update.c
+++ b/kernel/rcu/update.c
@@ -423,6 +423,19 @@ EXPORT_SYMBOL_GPL(do_trace_rcu_torture_read);
        do { } while (0)
 #endif
 
+#if IS_ENABLED(CONFIG_RCU_TORTURE_TEST) || IS_MODULE(CONFIG_RCU_TORTURE_TEST)
+/* Get rcutorture access to sched_setaffinity(). */
+long rcutorture_sched_setaffinity(pid_t pid, const struct cpumask *in_mask)
+{
+       int ret;
+
+       ret = sched_setaffinity(pid, in_mask);
+       WARN_ONCE(ret, "%s: sched_setaffinity() returned %d\n", __func__, ret);
+       return ret;
+}
+EXPORT_SYMBOL_GPL(rcutorture_sched_setaffinity);
+#endif
+
 #ifdef CONFIG_RCU_STALL_COMMON
 int rcu_cpu_stall_suppress __read_mostly; /* 1 = suppress stall warnings. */
 EXPORT_SYMBOL_GPL(rcu_cpu_stall_suppress);