Re: [PATCH printk v1 1/1] printk: nbcon: Allow unsafe write_atomic() for panic

[Petr Mladek]

On Mon 2025-09-22 12:50:04, John Ogness wrote:
> On 2025-09-17, Petr Mladek <pmladek@xxxxxxxx> wrote:
> >> After weighing the pros/cons I think that a global variable makes the
> >> most sense. It will simplify internal APIs and provide all
> >> console_is_usable() users a correct value. And the end result is no
> >> different than what we do now.
> >> 
> >> We could also keep its setting inside nbcon_atomic_flush_unsafe() so
> >> that the variable remains a printk-internal variable.
> >
> > Sounds good to me.
> 
> Right now things are a bit of a mess with required changes sitting in
> printk and mm trees. Since this won't be going in to the upcoming merge
> window, I will wait with v2 until you (Petr) can officially rebase the
> printk tree to include the recent panic_*cpu*() changes. That will also
> make it easier to coordinate the upcoming console_is_usable() changes as
> well.

Makes sense.

> The functionality for v2 is the same as the v1, so the network folks can
> continue working on the nbcon netconsole implementation.

Yup.

Best Regards,
Petr