Re: [PATCH printk 11/18] printk: Convert console_drivers list to hlist

[John Ogness]

On 2022-09-30, Helge Deller <deller@xxxxxx> wrote:
>> I know that it is all hope for good. But there is also a race between
>> the hlist_empty() and hlist_entry().
>
> I wonder if pdc_console() is still needed as it is today.  When this
> was written, early_console and such didn't worked for parisc as it
> should. That's proably why we have this register/unregister in here.
>
> Would it make sense, and would we gain something for this
> printk-series, if I'd try to convert pdc_console to a standard
> earlycon or earlyprintk device?

Having an earlycon or earlyprintk device will not really help you here
since those drivers will have already unregistered.

However, once we get the new atomic/kthread interface available, it
certainly would be useful to implement the pdc_console as an atomic
console.

John Ogness