linux-kernel - Re: Printk mulitple line message support

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Message-ID: <1321404235.13860.83.camel@yhuang-dev>
Date:	Wed, 16 Nov 2011 08:43:55 +0800
From:	Huang Ying <ying.huang@...el.com>
To:	Joe Perches <joe@...ches.com>
Cc:	William Douglas <william.r.douglas@...il.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: Printk mulitple line message support

On Tue, 2011-11-15 at 11:41 +0800, Joe Perches wrote:
> On Tue, 2011-11-15 at 10:59 +0800, Huang Ying wrote:
> > For multiple part in one line.  I think the better solution may be to
> > assemble them in a line buffer before real output to console to avoid
> > interleaving.  Do you think so?
> 
> Hard to say yes for sure.  Immediacy has some value.
> 
> There are some downsides to preassembly in memory
> constrained systems.
> 
> On the other hand, most uses of pr_cont don't create
> very long lines.

Yes.  And I think too long line is bad and should be warned.

Best Regards,
Huang Ying


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