hi, Paul, On Thu, Sep 05, 2024 at 01:23:34AM -0700, Paul E. McKenney wrote: > On Thu, Sep 05, 2024 at 10:21:32AM +0800, Oliver Sang wrote: > > hi, Paul, > > > > On Tue, Sep 03, 2024 at 03:26:43AM -0700, Paul E. McKenney wrote: > > > On Tue, Sep 03, 2024 at 02:49:48PM +0800, kernel test robot wrote: > > > > > > > > > > > > Hello, > > > > > > > > kernel test robot noticed "BUG:using__this_cpu_read()in_preemptible" on: > > > > > > > > commit: 558049054fe90985d650a50b6a757943a9faf646 ("srcu: Add srcu_read_lock_lite() and srcu_read_unlock_lite()") > > > > https://github.com/paulmckrcu/linux dev.2024.08.30b > > > > > > > > in testcase: boot > > > > > > > > compiler: gcc-12 > > > > test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 16G > > > > > > > > (please refer to attached dmesg/kmsg for entire log/backtrace) > > > > > > > > > > > > +------------------------------------------+------------+------------+ > > > > | | ddf16dbef6 | 558049054f | > > > > +------------------------------------------+------------+------------+ > > > > | BUG:using__this_cpu_read()in_preemptible | 0 | 12 | > > > > +------------------------------------------+------------+------------+ > > > > > > > > > > > > If you fix the issue in a separate patch/commit (i.e. not just a new version of > > > > the same patch/commit), kindly add following tags > > > > | Reported-by: kernel test robot <lkp@xxxxxxxxx> > > > > | Closes: https://lore.kernel.org/oe-lkp/202409031433.5ce7c1e3-lkp@xxxxxxxxx > > > > > > Good catch, thank you for testing! Does the incremental patch at the > > > end of this email fix this for you? > > > > > > Thanx, Paul > > > > I applied patch directly upon 558049054f, confirmed the issue gone. > > Thank you! May I add your Tested-by? oh, I saw the patch has "squash!", didn't realize you still will add Tested-by in squashed patch :) sure and thanks a lot! Tested-by: kernel test robot <oliver.sang@xxxxxxxxx> > > Thanx, Paul >