Re: [PATCH] prinkt/nbcon: Add a scheduling point to nbcon_kthread_func().

[John Ogness]

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>