On Fri, Mar 17, 2023 at 11:38:19AM -0700, Paul E. McKenney wrote:
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@intel.com Link: https://lore.kernel.org/oe-lkp/202302011445.9d99dae2-oliver.sang@intel.com Signed-off-by: Boqun Feng boqun.feng@gmail.com
Tested-by: Paul E. McKenney paulmck@kernel.org
Applied, thanks!
Regards, Boqun
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