Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1362351

Re: [RFC][PATCH v6 0/2] printk: Make printk() completely async

From Jan Kara <jack@suse.cz>
Newsgroups linux.kernel
Subject Re: [RFC][PATCH v6 0/2] printk: Make printk() completely async
Date 2016-03-22 07:50 +0100
Message-ID <rfoiB-C0-7@gated-at.bofh.it> (permalink)
References <rfbOq-qS-11@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw


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

Back to linux.kernel | Previous | NextPrevious in thread | Next in thread | Find similar | Unroll thread


Thread

[RFC][PATCH v6 0/2] printk: Make printk() completely async Sergey Senozhatsky <sergey.senozhatsky@gmail.com> - 2016-03-21 18:30 +0100
  Re: [RFC][PATCH v6 0/2] printk: Make printk() completely async Jan Kara <jack@suse.cz> - 2016-03-22 07:50 +0100
    Re: [RFC][PATCH v6 0/2] printk: Make printk() completely async Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com> - 2016-03-22 09:00 +0100
      Re: [RFC][PATCH v6 0/2] printk: Make printk() completely async Jan Kara <jack@suse.cz> - 2016-03-22 09:20 +0100

csiph-web