Commit 89d46b87 authored Dec 12, 2005 by Srivatsa Vaddagiri Committed by Linus Torvalds Dec 12, 2005

[PATCH] Fix bug in RCU torture test



While doing some test of RCU torture module, I hit a OOPS in rcu_do_batch,
which was trying to processes callback of a module that was just removed.
This is because we weren't waiting long enough for all callbacks to fire.

Signed-off-by: Srivatsa Vaddagiri <vatsa@in.ibm.com>
Cc: Dipankar Sarma <dipankar@in.ibm.com>
Acked-by: "Paul E. McKenney" <paulmck@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

parent ab4720ec

kernel/rcutorture.c

+1 −2

Original line number	Diff line number	Diff line
		@@ -409,9 +409,8 @@ rcu_torture_cleanup(void)
		stats_task = NULL;

		/* Wait for all RCU callbacks to fire. */
		rcu_barrier();

		for (i = 0; i < RCU_TORTURE_PIPE_LEN; i++)
		synchronize_rcu();
		rcu_torture_stats_print(); /* -After- the stats thread is stopped! */
		printk(KERN_ALERT TORTURE_FLAG
		"--- End of test: %s\n",

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