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From: Geert Uytterhoeven <geert@linux-m68k.org>
To: fthain@telegraphics.com.au
Cc: David Miller <davem@davemloft.net>,
	joe@perches.com, p_gortmaker@yahoo.com, netdev@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-m68k@vger.kernel.org
Subject: Re: [PATCH] mac8390: change an error return code and some cleanup,  take 4
Date: Mon, 31 May 2010 11:58:30 +0200	[thread overview]
Message-ID: <AANLkTilkooBglbk33yDHmk8c_ZdlamOW8FVvuvjQaNsF@mail.gmail.com> (raw)
In-Reply-To: <alpine.LNX.2.00.1005311905520.469@nippy.intranet>

On Mon, May 31, 2010 at 11:21,  <fthain@telegraphics.com.au> wrote:
> On Mon, 31 May 2010, David Miller wrote:
>> This is getting tiring Finn.
>
> I agree. My patch addresses all of the criticism of the earlier
> submissions.
>
> To make it plain: there are 25 files or so that use ei_debug. Three of
> those that now have the KERN_DEBUG printk's suppresed by the DEBUG macro
> only do so as an apparently unintended side effect of a commit that claims
> to "implement dynmic debug infrastructure". (Go figure.)
>
> http://git.kernel.org/?p=linux/kernel/git/davem/net-2.6.git;a=commitdiff;h=dd0fab5b940c0b65f26ac5b01485bac1f690ace6
>
> Your suggestion to use pr_debug is invoking compile time infrastructure
> (the DEBUG macro), so it is not in the spirit of this commit, and it is
> not relevant to any criticism from you or Joe of the earlier submissions.
>
> Please apply the patch.

`pr_debug()' indeed now may generate code if DEBUG is not defined,
i.e. if CONFIG_DYNAMIC_DEBUG is enabled.
This is intented for debug infrastructure the user may want to enable later.

If you want the old behavior, you can use `pr_devel()' instead, which
only generates code if DEBUG is defined.
This is intended for debug infrastructure for developers only.

However, you used `printk(KERN_DEBUG pr_fmt()...)`, which always generates code.
I'm still not 100% sure that was intentional?

Gr{oetje,eeting}s,

						Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
							    -- Linus Torvalds

  reply	other threads:[~2010-05-31  9:58 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-04-16  2:34 another cleanup patch gone wrong Finn Thain
2010-04-16  3:01 ` David Miller
2010-04-16  3:45   ` [PATCH] mac8390: fix pr_info() calls, was " Finn Thain
2010-04-16  3:54     ` Joe Perches
2010-04-16  3:59       ` Finn Thain
2010-04-16  4:21     ` [PATCH] mac8390: fix pr_info() calls and change return code Finn Thain
2010-04-16  4:34       ` Joe Perches
2010-04-16 13:57         ` Finn Thain
2010-04-16 20:28           ` David Miller
2010-04-17  2:28             ` Finn Thain
2010-04-16  5:53       ` David Miller
2010-04-16 14:14       ` [PATCH] mac8390: change an error return code and some cleanup Finn Thain
2010-04-17  3:16         ` [PATCH] mac8390: change an error return code and some cleanup, take 3 Finn Thain
2010-04-21 23:30           ` David Miller
2010-04-22  1:13             ` Finn Thain
2010-05-28 17:29             ` [PATCH] mac8390: change an error return code and some cleanup, take 4 Finn Thain
2010-05-31  7:19               ` David Miller
2010-05-31  9:21                 ` fthain
2010-05-31  9:58                   ` Geert Uytterhoeven [this message]
2010-05-31 11:07                     ` fthain
2010-05-31 11:30                       ` David Miller
2010-05-31 12:55                         ` Finn Thain
2010-05-31 13:02                           ` David Miller
2010-06-01 12:18                             ` [PATCH 1/2] mac8390: propagate error code from request_irq Finn Thain
2010-06-02 12:17                               ` David Miller
2010-06-01 12:18                             ` [PATCH 2/2] mac8390: raise error logging priority Finn Thain
2010-06-02 14:06                               ` David Miller
2010-06-02 15:36                                 ` Finn Thain
2010-05-31 15:08                     ` [PATCH] mac8390: change an error return code and some cleanup, take 4 Joe Perches
2010-05-31 15:14                       ` David Miller
2010-05-31 15:19                         ` Finn Thain
2010-05-31 11:27                   ` David Miller
2010-04-16  3:11 ` another cleanup patch gone wrong Joe Perches
2010-04-16  3:21   ` Finn Thain

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