lkml.org 
[lkml]   [2016]   [Mar]   [22]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [RFC][PATCH v6 0/2] printk: Make printk() completely async
Hi,

On Tue 22-03-16 02:25:28, Sergey Senozhatsky wrote:
> The patch set is based on slightly updated Jan Kara's patches.
>
> This patch set makes printk() completely asynchronous: new messages
> are getting upended to the kernel printk buffer, but instead of 'direct'
> printing the actual print job is performed by a dedicated kthread.
> This has the advantage that printing always happens from a schedulable
> context and thus we don't lockup any particular CPU or even interrupts.
>
> The patch set is against next-20160321
>
> the series in total has 3 patches:
> - printk: Make printk() completely async
> - printk: Make wake_up_klogd_work_func() async
> - printk: make console_unlock() async
>
> per discussion, "printk: make console_unlock() async" will be posted
> later on.

Patches look good to me. I don't think you need to mention the
console_unlock() async patch when it is not part of the series. BTW, you
seemed to have dropped my patch to skip if there are too many buffered
messages when oops is in progress. Any reason for that?

Honza
--
Jan Kara <jack@suse.com>
SUSE Labs, CR

\
 
 \ /
  Last update: 2016-03-22 08:21    [W:0.135 / U:0.032 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site