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authorPaul E. McKenney <paulmck@linux.vnet.ibm.com>2009-10-25 19:03:54 -0700
committerIngo Molnar <mingo@elte.hu>2009-10-26 09:40:31 +0100
commitcf886c44ec418a01b2c52493465accb81acbf930 (patch)
tree025798ba1d14644a854431384048eb157c5d92b1 /kernel
parent64179861cb801eac4f00c79f39a29ea5ac9470d7 (diff)
downloadlinux-cf886c44ec418a01b2c52493465accb81acbf930.tar.bz2
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>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/rcutorture.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/kernel/rcutorture.c b/kernel/rcutorture.c
index 14480e8b2a24..3dd0ca23e191 100644
--- a/kernel/rcutorture.c
+++ b/kernel/rcutorture.c
@@ -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;
}