Re: [RFC] printk/sysrq: Don't play with console_loglevel

[Petr Mladek]

On Tue 2019-05-28 19:15:43, Tetsuo Handa wrote:
> On 2019/05/28 17:51, Sergey Senozhatsky wrote:
> >> You are trying to omit passing KERN_UNSUPPRESSED by utilizing implicit printk
> >> context information. But doesn't such attempt resemble find_printk_buffer() ?
> > 
> > Adding KERN_UNSUPPRESSED to all printks down the op_p->handler()
> > line is hardly possible. At the same time I'd really prefer not
> > to have buffering for sysrq.
> 
> I don't think it is hardly possible. And I really prefer having
> deferred printing for SysRq.

This thread is about problems with manipulating console_loglevel.

"Deferred printk" is another very complicated and controversial
problem. Please, discuss it in a separate thread.

Thanks in advance.

Best Regards,
Petr Mladek