Re: [PATCH v4] printk: Add console owner and waiter logic to loadbalance console writes

[Michal Hocko]

On Thu 09-11-17 19:22:58, Tetsuo Handa wrote:
> Michal Hocko wrote:
> > Hi,
> > assuming that this passes warn stall torturing by Tetsuo, do you think
> > we can drop http://lkml.kernel.org/r/1509017339-4802-1-git-send-email-penguin-kernel@xxxxxxxxxxxxxxxxxxx
> > from the mmotm tree?
> 
> I don't think so.
> 
> The rule that "do not try to printk() faster than the kernel can write to
> consoles" will remain no matter how printk() changes. Unless asynchronous
> approach like https://lwn.net/Articles/723447/ is used, I think we can't
> obtain useful information.

Does that mean that the patch doesn't pass your test?

-- 
Michal Hocko
SUSE Labs