Commit f2f76260 authored May 15, 2017 by Davidlohr Bueso Committed by Paul E. McKenney Dec 11, 2017

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>

parent 8f9dd831

kernel/locking/locktorture.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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);