On 2024-06-20, Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx> wrote: > Constant printing can lead to a CPU hog in nbcon_kthread_func(). The > context is preemptible but on !PREEMPT kernels there is no explicit > preemption point which leads softlockup warnings. > > Add an explicit preemption point in nbcon_kthread_func(). > > Reported-by: Derek Barbosa <debarbos@xxxxxxxxxx> > Link: https://lore.kernel.org/ZnHF5j1DUDjN1kkq@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx > Signed-off-by: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx> Reviewed-by: John Ogness <john.ogness@xxxxxxxxxxxxx>