linux-kernel - Re: + x86-kill-arch-x86-kernel-mpparsec-debugging-printk.patch added to -mm tree

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Date:	Fri, 8 Aug 2008 14:13:29 -0700
From:	"Yinghai Lu" <yhlu.kernel@...il.com>
To:	linux-kernel@...r.kernel.org,
	"Andrew Morton" <akpm@...ux-foundation.org>
Cc:	mm-commits@...r.kernel.org, rene.herman@...access.nl,
	rene.herman@...il.com
Subject: Re: + x86-kill-arch-x86-kernel-mpparsec-debugging-printk.patch added to -mm tree

On Fri, Aug 8, 2008 at 1:51 PM,  <akpm@...ux-foundation.org> wrote:
>
> The patch titled
>     x86: kill arch/x86/kernel/mpparse.c debugging printk
> has been added to the -mm tree.  Its filename is
>     x86-kill-arch-x86-kernel-mpparsec-debugging-printk.patch
>
> Before you just go and hit "reply", please:
>   a) Consider who else should be cc'ed
>   b) Prefer to cc a suitable mailing list as well
>   c) Ideally: find the original patch on the mailing list and do a
>      reply-to-all to that, adding suitable additional cc's
>
> *** Remember to use Documentation/SubmitChecklist when testing your code ***
>
> See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
> out what to do about this
>
> The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
>
> ------------------------------------------------------
> Subject: x86: kill arch/x86/kernel/mpparse.c debugging printk
> From: Rene Herman <rene.herman@...access.nl>
>
> commit 11a62a056093a7f25f1595fbd8bd5f93559572b6 turns some formerly nopped
> debugging printks in arch/x86/kernel/mppparse.c into regular ones.  The
> one at the top of smp_scan_config() in particular also prints on
> !CONFIG_SMP/CONFIG_X86_LOCAL_APIC kernels and UP machines without anything
> resembling MP tables which makes their lowly UP owners wonder...
>
> Given that it was up to this point also not considered valuable user-level
> information, let's just kill that one.
>
> Signed-off-by: Rene Herman <rene.herman@...il.com>
> Signed-off-by: Andrew Morton <akpm@...ux-foundation.org>
> ---
>
>  arch/x86/kernel/mpparse.c |    1 -
>  1 file changed, 1 deletion(-)
>
> diff -puN arch/x86/kernel/mpparse.c~x86-kill-arch-x86-kernel-mpparsec-debugging-printk arch/x86/kernel/mpparse.c
> --- a/arch/x86/kernel/mpparse.c~x86-kill-arch-x86-kernel-mpparsec-debugging-printk
> +++ a/arch/x86/kernel/mpparse.c
> @@ -697,7 +697,6 @@ static int __init smp_scan_config(unsign
>        unsigned int *bp = phys_to_virt(base);
>        struct intel_mp_floating *mpf;
>
> -       printk(KERN_DEBUG "Scan SMP from %p for %ld bytes.\n", bp, length);
>        BUILD_BUG_ON(sizeof(*mpf) != 16);
>
>        while (length > 0) {
> _
>
> Patches currently in -mm which might be from rene.herman@...access.nl are
>
> x86-kill-arch-x86-kernel-mpparsec-debugging-printk.patch
> i2c-dont-autograb-i2c-pca-is.patch
>
why?  that just three lines debug debug info.

YH
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