hi, Paul, On Tue, Dec 24, 2024 at 09:57:16AM -0800, Paul E. McKenney wrote: > On Tue, Dec 24, 2024 at 02:48:26PM +0800, kernel test robot wrote: > > > > hi, Paul, > > > > we noticed there is similar commit in newer branches: > > dev.2024.12.11b > > dev.2024.12.12a > > dev.2024.12.13a > > > > if this is out-of-date version, please just ignore. > > > > the new config is enabled in our tests. > > ==================== PARENT FIRST_BAD KCONFIGS bb02a67f70d8d58c675403f1f716cf5885967918 ==================== > > --- /pkg/linux/i386-randconfig-001-20241220/clang-19/bb02a67f70d8d58c675403f1f716cf5885967918/.config 2024-12-23 12:46:05.807021581 +0800 > > +++ /pkg/linux/i386-randconfig-001-20241220/clang-19/774c4d7adb4f9134aa265c5fee4e8b07d98c53cb/.config 2024-12-23 14:26:59.938500419 +0800 > > @@ -5864,6 +5864,7 @@ CONFIG_PROVE_RCU=y > > CONFIG_TORTURE_TEST=m > > CONFIG_RCU_SCALE_TEST=m > > CONFIG_RCU_TORTURE_TEST=m > > +CONFIG_RCU_TORTURE_TEST_CHK_RDR_STATE=m > > # CONFIG_RCU_TORTURE_TEST_LOG_CPU is not set > > CONFIG_RCU_REF_SCALE_TEST=m > > CONFIG_RCU_CPU_STALL_TIMEOUT=21 > > > > > > and since the WARN added in this commit is hit, we just make below report FYI. > > This one is a bug that has since been fixed. The condition: > > cur_ops->readlock_nesting() > 0 > > Now reads: > > cur_ops->readlock_nesting() == 0 > > The updated commit is: > > 14f8cc687ce6 ("rcutorture: Make rcutorture_one_extend() check reader state") > > However, your Kconfig above does in fact show a bug. It is supposed > to be bool rather than tristate. I will fix with your Reported-by. thanks a lot for information! always our great pleasure that our report is helpful :) > > Thanx, Paul