linux-kernel - Re: [PATCH v3] printk: Have printk() never buffer its data

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Date:	Mon, 09 Jul 2012 16:41:02 -0700
From:	Joe Perches <joe@...ches.com>
To:	Kay Sievers <kay@...y.org>
Cc:	Michael Neuling <mikey@...ling.org>, linuxppc-dev@...abs.org,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	LKML <linux-kernel@...r.kernel.org>, Ingo Molnar <mingo@...e.hu>,
	Wu Fengguang <fengguang.wu@...el.com>,
	"Paul E. McKenney" <paulmck@...ibm.com>
Subject: Re: [PATCH v3] printk: Have printk() never buffer its data

On Mon, 2012-07-09 at 16:32 -0700, Joe Perches wrote:
> Then you've changed semantics and I think you need to
> fix it.
> 
> A dev_<level> call is not guaranteed to be a complete
> message.
> 
> There are dev_<level> and netdev_<level> calls
> followed by pr_cont.
> 
> Maybe these could be fixed up and then they could be
> always integral.  There don't look to be too many.
> 
> This may be most (all?) of them:

Nah, there's a bunch more:

$ git grep -E -A10 "\b(netdev|dev)_(info|warn|notice|err|alert|emerg|crit)" drivers | \
  grep -B10 -E "\bprintk\s*\(\s*(KERN_CONT|)\s*\""

All of them could be fixed up though.

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