linux-kernel - Re: [PATCH 3/3] xgifb: checkpatch cleanup, printk() KERN

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Date:	Sat, 21 Jan 2012 11:45:38 -0800
From:	Joe Perches <joe@...ches.com>
To:	sam hansen <solid.se7en@...il.com>
Cc:	Arnaud Patard <arnaud.patard@...-net.org>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	Aaro Koskinen <aaro.koskinen@....fi>,
	Dan Carpenter <dan.carpenter@...cle.com>,
	devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/3] xgifb: checkpatch cleanup, printk() KERN_*

On Sat, 2012-01-21 at 11:22 -0800, sam hansen wrote:
> > One other thing.  It would be better to add
> > #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
> > before any #include and convert all the
> > printks(KERN_<LEVEL> to pr_<level>(
> > stripping all the leading XGIfb: too.
> 
> So, an administrative question.  Sorry for my noob-ishness but... I
> will be 1) modifying the patch regarding prink to use pr_LVL (and a
> few logic tweaks), and will also be introducing a new patch to set up
> the pr_fmt macro for kbuild.  I can find lots of information regarding
> how to create/submit a patch, but not a lot of information about how
> to modify/resubmit a patch you've already submitted and received
> feedback for.

Rework the commented things in a new branch.

Apply the patches to the new branch one at
a time, modify as necessary then
git commit --amend
the appropriately changed files while modifying
change logs.

Then resubmit with
	git format-patch --subject-prefix="PATCH V2"
You could also add --in-reply-to=originalemailid

> The pr_fmt patch will likely just be a new patch outside of this patch
> set? 

A new patch would be fine.
Here's a little regex based tool for part of that conversion
http://lwn.net/Articles/380161/

An example would be:
$ ./scripts/cvt_kernel_style.pl			\
	--convert=convert_printk_to_pr_level	\
	-o drivers/staging/xgifb/XGI_main_26.c


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