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locking/locktorture: Fix rwsem reader_delay 

We should account for nreader threads, not writers in this
callback. Could even trigger a div by 0 if the user explicitly
disables writers.

Signed-off-by: Davidlohr Bueso <dbueso@suse.de>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
hifive-unleashed-5.1
Davidlohr Bueso 2017-05-15 02:07:22 -07:00 committed by Paul E. McKenney
parent 8f9dd83173
commit f2f762608f
1 changed files with 1 additions and 1 deletions
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2
kernel/locking/locktorture.c
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@ -560,7 +560,7 @@ static void torture_rwsem_read_delay(struct torture_random_state *trsp)
/* We want a long delay occasionally to force massive contention. */
if (!(torture_random(trsp) %
(cxt.nrealwriters_stress * 2000 * longdelay_ms)))
(cxt.nrealreaders_stress * 2000 * longdelay_ms)))
mdelay(longdelay_ms * 2);
else
mdelay(longdelay_ms / 2);