netdev - Re: [PATCH net-next] unix: convert printks to pr

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Message-ID: <52A19B9B.6050000@redhat.com>
Date:	Fri, 06 Dec 2013 10:40:43 +0100
From:	Daniel Borkmann <dborkman@...hat.com>
To:	Wang Weidong <wangweidong1@...wei.com>
CC:	David Miller <davem@...emloft.net>, edumazet@...gle.com,
	ebiederm@...ssion.com, gaofeng@...fujitsu.com,
	jacob.e.keller@...el.com, netdev@...r.kernel.org,
	Joe Perches <joe@...ches.com>
Subject: Re: [PATCH net-next] unix: convert printks to pr_<level>

On 12/06/2013 10:32 AM, Wang Weidong wrote:
> On 2013/12/6 17:22, Daniel Borkmann wrote:
>> On 12/06/2013 07:09 AM, Wang Weidong wrote:
>>> use pr_<level> instead of printk(LEVEL)
>>>
>>> Signed-off-by: Wang Weidong <wangweidong1@...wei.com>
>>> ---
>>>    net/unix/af_unix.c |   10 ++++++----
>>>    1 files changed, 6 insertions(+), 4 deletions(-)
>>>
>>> diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
>>> index 4155ed3..ca98e61 100644
>>> --- a/net/unix/af_unix.c
>>> +++ b/net/unix/af_unix.c
>>> @@ -80,6 +80,9 @@
>>>     *          with BSD names.
>>>     */
>>>
>>> +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
>>> +#define DEBUG
>>> +
>>
>> Why do you define DEBUG here ?
>>
> I think the pr_debug != printk(KERN_DEBUG), equal when define DEBUG.

Ok, then please read Documentation/dynamic-debug-howto.txt

pr_debug() is part of the dynamic debugging framework and
can be enabled / disabled at runtime when configured. So
that define does not belong here.
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