Re: [PATCH v12 0/3] printk: Make printk() completely async

From: Sergey Senozhatsky
Date: Wed Jun 29 2016 - 01:32:38 EST


On (06/28/16 22:16), Joe Perches wrote:
> On Wed, 2016-06-29 at 14:08 +0900, Sergey Senozhatsky wrote:
> > the patch to fix the async KERN_CONT printk regression I mentioned
> > several days ago in another thread.
>
> KERN_CONT is effectively a no-op.
> This is any printk without a KERN_<LEVEL>

if the message has no LOG_NEWLINE in flags then it's stored as LOG_CONT
in log buffer, but before getting there it sits in cont buffer. and those
are usually KERN_CONT messages that don't have LOG_NEWLINE in flags. may
be the wording is not exactly correct in the original message.

-ss