On Thu, Mar 16, 2023 at 08:13:35PM -0700, Boqun Feng wrote: > The stress test in test_ww_mutex_init() uses 4095 locks since > lockdep::reference has 12 bits, and since we are going to reduce it to > 11 bits to support lock_sync(), and 2047 is still a reasonable number of > the max nesting level for locks, so adjust the test. > > Reported-by: kernel test robot <oliver.sang@xxxxxxxxx> > Link: https://lore.kernel.org/oe-lkp/202302011445.9d99dae2-oliver.sang@xxxxxxxxx > Signed-off-by: Boqun Feng <boqun.feng@xxxxxxxxx> Tested-by: Paul E. McKenney <paulmck@xxxxxxxxxx> > --- > kernel/locking/test-ww_mutex.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/kernel/locking/test-ww_mutex.c b/kernel/locking/test-ww_mutex.c > index 29dc253d03af..93cca6e69860 100644 > --- a/kernel/locking/test-ww_mutex.c > +++ b/kernel/locking/test-ww_mutex.c > @@ -659,7 +659,7 @@ static int __init test_ww_mutex_init(void) > if (ret) > return ret; > > - ret = stress(4095, hweight32(STRESS_ALL)*ncpus, STRESS_ALL); > + ret = stress(2047, hweight32(STRESS_ALL)*ncpus, STRESS_ALL); > if (ret) > return ret; > > -- > 2.39.2 >
