linux-kernel - Re: [PATCH] kernel.printk.c - ensure that "console enabled"messages are printed on the console

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Date:	Fri, 10 Jul 2009 10:13:56 -0400
From:	Robin Getz <rgetz@...ckfin.uclinux.org>
To:	"Ingo Molnar" <mingo@...e.hu>
CC:	"Andrew Morton" <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org,
	"Linus Torvalds" <torvalds@...ux-foundation.org>
Subject: Re: [PATCH] kernel.printk.c - ensure that "console enabled"messages are printed on the console

On Fri 10 Jul 2009 06:25, Ingo Molnar pondered:
> 
> * Robin Getz <rgetz@...ckfin.uclinux.org> wrote:
> 
> > From: Robin Getz <rgetz@...ckfin.uclinux.org>
> > 
> > Today, when a console is registered without CON_PRINTBUFFER, end 
> > users never see the announcement of it being added, and never know 
> > if they missed something, if the console is really at the start or 
> > not, and just leads to general confusion.
> > 
> > This re-orders existing code, to make sure the console is added, 
> > before the "console [%s%d] enabled" is printed out - ensuring that 
> > this message is _always_ seen.
> > 
> > This has the desired/intended side effect of making sure that 
> > "console enabled:" messages are printed on the bootconsole, and 
> > the real console. This does cause the same line is printed twice 
> > if the bootconsole and real console are the same device, but if 
> > they are on different devices, the message is printed to both 
> > consoles.
> > 
> > Signed-off-by : Robin Getz <rgetz@...ckfin.uclinux.org>
> > 
> > ---
> > 
> >  printk.c |   44 +++++++++++++++++++++++++++++---------------
> >  1 file changed, 29 insertions(+), 15 deletions(-)
> > 
> > patch generated for -tip
> 
> Looks good, applied it to tip:core/printk for v2.6.32, thanks Robin. 
> 
> i fixed a couple of small details in the patch:
> 
>  - re-broke the commit log as it was too wide for nice git log 
>    output

Hmm - I didn't know there was a restriction on this - what is the number?

>  - fixed a stray whitespace warned about by scripts/checkpatch.pl
>  - fixed another stray whitespace found the old fashioned way
>  - fixed the patch title to match the prefix used by your previous 
>    commit as well

Thanks
-Robin
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