linux-kernel - Re: printk: what is going on with additional newlines?

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Date:   Wed, 30 Aug 2017 10:07:16 +0900
From:   Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>
To:     Joe Perches <joe@...ches.com>
Cc:     Linus Torvalds <torvalds@...ux-foundation.org>,
        Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
        Tejun Heo <tj@...nel.org>,
        Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>,
        Pavel Machek <pavel@....cz>, Petr Mladek <pmladek@...e.com>,
        Steven Rostedt <rostedt@...dmis.org>, Jan Kara <jack@...e.cz>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Jiri Slaby <jslaby@...e.com>, Andreas Mohr <andi@...as.de>,
        Tetsuo Handa <penguin-kernel@...ove.sakura.ne.jp>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: printk: what is going on with additional newlines?

On (08/29/17 11:09), Joe Perches wrote:
[..]
> > Introduce a few helper functions for it:
> > 
> >  init_line_buffer(&buf);
> >  print_line(&buf, fmt, args);
> >  vprint_line(&buf, fmt, vararg);
> >  finish_line(&buf);
> > 
> > or whatever, and it sounds like it should be pretty easy to use.
> 
> Mostly true and not a new solution.
> 
> You'll now need to add &buf to called functions that
> continue individual line output.
> 
> Tejun Heo suggested the very similar mprintk back in 2008.
> 
> http://thread.gmane.org/gmane.linux.ide/27199

interesting. thanks for the link.

	-ss