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rcu: Improve rcutorture diagnostics when bad torture_type specified 

Make rcutorture list the available torture_type values when it
doesn't like the one specified.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: Josh Triplett <josh@joshtriplett.org>
Reviewed-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Cc: dipankar@in.ibm.com
Cc: mathieu.desnoyers@polymtl.ca
Cc: dvhltc@us.ibm.com
Cc: niv@us.ibm.com
Cc: peterz@infradead.org
Cc: rostedt@goodmis.org
Cc: Valdis.Kletnieks@vt.edu
Cc: dhowells@redhat.com
Cc: avi@redhat.com
Cc: mtosatti@redhat.com
LKML-Reference: <12565226351868-git-send-email->
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Paul E. McKenney 2009-10-25 19:03:54 -07:00 committed by Ingo Molnar
parent 64179861cb
commit cf886c44ec
1 changed files with 5 additions and 1 deletions
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6
kernel/rcutorture.c
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@ -1129,8 +1129,12 @@ rcu_torture_init(void)
break;
}
if (i == ARRAY_SIZE(torture_ops)) {
printk(KERN_ALERT "rcutorture: invalid torture type: \"%s\"\n",
printk(KERN_ALERT "rcu-torture: invalid torture type: \"%s\"\n",
torture_type);
printk(KERN_ALERT "rcu-torture types:");
for (i = 0; i < ARRAY_SIZE(torture_ops); i++)
printk(KERN_ALERT " %s", torture_ops[i]->name);
printk(KERN_ALERT "\n");
mutex_unlock(&fullstop_mutex);
return -EINVAL;
}