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authorDavidlohr Bueso <dave@stgolabs.net>2017-05-15 02:07:22 -0700
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>2017-12-11 09:18:28 -0800
commitf2f762608f45353b0b8c37507824f95bb716c3d5 (patch)
treeb594c29c52d6d245b6cc4e39ff21dc8d8c7d055e /kernel/locking
parent8f9dd8317386b0bcb20cf0bfc832ba2ea67f44d1 (diff)
downloadlinux-f2f762608f45353b0b8c37507824f95bb716c3d5.tar.bz2
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>
Diffstat (limited to 'kernel/locking')
-rw-r--r--kernel/locking/locktorture.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/locking/locktorture.c b/kernel/locking/locktorture.c
index 617cea2520b3..a307a79e6b0b 100644
--- a/kernel/locking/locktorture.c
+++ b/kernel/locking/locktorture.c
@@ -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);