On Wed 02-03-16 23:34:15, Sergey Senozhatsky wrote:
> > I am looking forward to have the console printing offloaded
> > into the workqueues. Then printk() will become consistently
> > "fast" operation and will cause less surprises like this.
>
> I'm all for it. I need this rework badly. If Jan is too busy at
> the moment, which I surely can understand, then I'll be happy to
> help ("pick up the patches". please, don't get me wrong).
So I'm rather busy with other stuff currently so if you can pick up my
patches and finish them, it would be good. I think I have addressed all the
comments you had to the previous version, except for handling the case
where all the workers are too busy - maybe using a dedicated workqueue with
a rescueue worker instead of system_wq would solve this issue.
I've sent the current version of patches I have to you including the patch
3/3 which I use for debugging and testing whether the async printing really
helps avoiding softlockups.
Honza
--
Jan Kara <jack@xxxxxxxx>
SUSE Labs, CR
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