linux-kernel - Re: [ofa-general] Re: [PATCH 10/14] infiniband: use printk

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Date:	Mon, 10 Aug 2009 09:36:33 +0200
From:	Jiri Slaby <jirislaby@...il.com>
To:	Jack Morgenstein <jackm@....mellanox.co.il>
CC:	general@...ts.openfabrics.org, Roland Dreier <rdreier@...co.com>,
	Marcin Slusarz <marcin.slusarz@...il.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [ofa-general] Re: [PATCH 10/14] infiniband: use printk_once

On 08/10/2009 08:36 AM, Jack Morgenstein wrote:
> printk_once will print once ONLY if CONFIG_PRINTK is set in include/linux/autoconf.h
> (i.e., when the kernel is configured).  Otherwise, it gets defined to printk --
> and it will always print in this case.

Not true, in that case printk is defined as inlined 'return 0;'

> (see 2.6.30.xx kernel include file "include/linux/kernel.h", lines 235, 249, and 272).

See line 265 there.
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