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SubjectRe: [PATCH] mac8390: change an error return code and some cleanup, take 4
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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


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