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Commit cf886c44ec418a01b2c52493465accb81acbf930

Authored by Paul E. McKenney
Committed by Ingo Molnar
1 parent 64179861cb
Exists in master and in 7 other branches imx_3.0.35_4.1.0, imx_3.10.17_1.0.1_ga, imx_3.10.53_1.1.0_ga, imx_3.14.28_1.0.0_ga, smarc-imx_3.10.53_1.1.0_ga, smarc-imx_3.14.28_1.0.0_ga, smarc-l5.0.0_1.0.0-ga

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>

Showing 1 changed file with 5 additions and 1 deletions Side-by-side Diff

... ... @@ -1129,8 +1129,12 @@
1129 1129 break;
1130 1130 }
1131 1131 if (i == ARRAY_SIZE(torture_ops)) {
1132   - printk(KERN_ALERT "rcutorture: invalid torture type: \"%s\"\n",
  1132 + printk(KERN_ALERT "rcu-torture: invalid torture type: \"%s\"\n",
1133 1133 torture_type);
  1134 + printk(KERN_ALERT "rcu-torture types:");
  1135 + for (i = 0; i < ARRAY_SIZE(torture_ops); i++)
  1136 + printk(KERN_ALERT " %s", torture_ops[i]->name);
  1137 + printk(KERN_ALERT "\n");
1134 1138 mutex_unlock(&fullstop_mutex);
1135 1139 return -EINVAL;
1136 1140 }