linux-kernel - Re: [PATCH v11 0/3] printk: Make printk() completely async

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Message-ID: <1460785489.19090.71.camel@perches.com>
Date:	Fri, 15 Apr 2016 22:44:49 -0700
From:	Joe Perches <joe@...ches.com>
To:	Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>,
	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Jan Kara <jack@...e.com>, Petr Mladek <pmladek@...e.com>,
	Tejun Heo <tj@...nel.org>,
	Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>,
	linux-kernel@...r.kernel.org,
	Byungchul Park <byungchul.park@....com>,
	Sergey Senozhatsky <sergey.senozhatsky@...il.com>
Subject: Re: [PATCH v11 0/3] printk: Make printk() completely async

On Sat, 2016-04-16 at 11:55 +0900, Sergey Senozhatsky wrote:
> On (04/08/16 02:31), Sergey Senozhatsky wrote:
> > 
> > Hello,
> > 
> > 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.
> Hello,
> 
> Sir, is there anything else you want me to improve in this patch set?

I'm not sir, but my preference would be to move as much of the
async/thread functionality as possible into a separate file.