Re: [RFC V2 12/21] rv/reactor: Add the printk reactor

[Daniel Bristot de Oliveira <bristot@xxxxxxxxxx>]

On 2/14/22 18:25, Shuah Khan wrote:
> On 2/14/22 3:45 AM, Daniel Bristot de Oliveira wrote:
>> Sample reactor that printks the reaction message.
>>
> 
> Who is supposed to take action on this message and how do they
> get notified?

The same people that use printk to debug systems (who never?), on conditions
where other debugging methods might not available.

> 
>> Note: do not use this reactor with rq_lock taken, it will lock the
>> system until printk can handle that.
> 
> Please give more details on "lock the system" and how locking
> would impact users and system operation

It is a deadlock on the rq_lock. Hopefully the new printk implementation handles
that better.

/me looks at John Ogness

-- Daniel