Date:	Mon, 15 Dec 2014 08:33:53 -0800
From:	Randy Dunlap <rdunlap@...radead.org>
To:	Jonathan Corbet <corbet@....net>,
	LKML <linux-kernel@...r.kernel.org>
CC:	Corey Minyard <cminyard@...sta.com>
Subject: Re: [PATCH RFC] Docs: Modernize SubmittingPatches

Hi Jonathan,

Overall this is good but it was difficult to review -- maybe too many
varying types of changes.

I have a few minor corrections below. Use them (or not) any way that you like.


On 12/15/14 07:52, Jonathan Corbet wrote:
> The SubmittingPatches file still shows a lot of its roots from the era when
> we all sent stuff straight to Linus and hoped for the best.  I've gone in
> and thrashed it up to reflect an age where few of us type our own "diff"
> commands anymore.  Also added a section on preparing signed tags for pull
> requests.
> 
> Signed-off-by: Jonathan Corbet <corbet@....net>
> ---
>  Documentation/SubmittingPatches | 433 ++++++++++++++++++++--------------------
>  1 file changed, 212 insertions(+), 221 deletions(-)
> 
> diff --git a/Documentation/SubmittingPatches b/Documentation/SubmittingPatches
> index 1fa1caa198eb..787d0711e18a 100644
> --- a/Documentation/SubmittingPatches
> +++ b/Documentation/SubmittingPatches

[snip]

> -5) Select e-mail destination.
> +You should be able to justify all violations that remain in your
> +patch.
>  
> -Look through the MAINTAINERS file and the source code, and determine
> -if your change applies to a specific subsystem of the kernel, with
> -an assigned maintainer.  If so, e-mail that person.  The script
> -scripts/get_maintainer.pl can be very useful at this step.
>  
> -If no maintainer is listed, or the maintainer does not respond, send
> -your patch to the primary Linux kernel developer's mailing list,
> -linux-kernel@...r.kernel.org.  Most kernel developers monitor this
> -e-mail list, and can comment on your changes.
> +5) Select the recipients for your patch.
> +----------------------------------------
>  
> +You should always copy the appropriate subsystem maintainer(s) on any patch
> +to code that they maintain; Look through the MAINTAINERS file and the

                     maintain.
alternately:                 ; look

> +source code revision history to see who those maintainers are.  The
> +script scripts/get_maintainer.pl can be very useful at this step.  If you
> +cannot find a maintainer for the subsystem your are working on, Andrew
> +Morton (akpm@...ux-foundation.org) serves as a maintainer of last resort.

[snip]

> +Patches that fix a severe bug in a released kernel should be directed
> +toward the stable maintainers; putting a line like this:

                     maintainers by putting a line like this in your patch:

>  
> +  Cc: stable@...r.kernel.org
>  
> -6) Select your CC (e-mail carbon copy) list.
> +Note, however, that some subsystem maintainers want to come to their own
> +conclusions on which patches should go to the stable trees.  The networking
> +maintainer, in particular, would rather not see individual developers
> +adding lines like the above to their patches.

[snip]

> +7) E-mail size.
> +---------------
>  
>  Large changes are not appropriate for mailing lists, and some
>  maintainers.  If your patch, uncompressed, exceeds 300 kB in size,
>  it is preferred that you store your patch on an Internet-accessible
> -server, and provide instead a URL (link) pointing to your patch.
> +server, and provide instead a URL (link) pointing to your patch.  But note
> +that if your patch exceeds 300kB, it almost certainly needs to be broken up

                              300 kB  [as above, or change the other one]

> +anyway.
>  
> +8) Respond to review comments.
> +------------------------------
>  
> +Your patch will almost certainly get comments from reviewers on ways in
> +which the patch can be improved.  You must respond to those comments;
> +ignoring reviewers is a good way to get ignored in return.  Review comments
> +or questions that to not lead to a code change should almost certainly

                     do not

> +bring about a comment or changelog entry so that the next reviewer better
> +understands what is going on.
>  
> -9) Name your kernel version.
> +Be sure to tell the reviewers what changes you are making and to thank them
> +for their time.  Code review is a tiring and time-consuming process, and
> +reviewers sometimes get grumpy.  Even in that case, though, respond
> +politely and address the problems they have pointed out.
>  
> -It is important to note, either in the subject line or in the patch
> -description, the kernel version to which this patch applies.
>  
> -If the patch does not apply cleanly to the latest kernel version,
> -Linus will not apply it.
> +9) Don't get discouraged - or impatient.
> +----------------------------------------
>  
> +After you have submitted your change, be patient and wait.  Reviewers are
> +busy people and may not get to your patch right away.
>  
> +Once upon a time, patches used to dissappear into the void without comment,

                                     disappear

> +but the development process works more smoothly than that now.  You should
> +receive comments within a week or so; if that does not happen, make sure
> +that you have sent your patches to the right place.  Wait for a minimum of
> +one week before resubmitting or pinging reviewers - possibly longer during
> +busy times like merge windows.

[snip]

> @@ -541,7 +592,13 @@ which stable kernel versions should receive your fix. This is the preferred
>  method for indicating a bug fixed by the patch. See #2 above for more details.
>  
>  
> -15) The canonical patch format
> +14) The canonical patch format
> +------------------------------
> +
> +This section describes how the patch itself should be formatted.  Note
> +that, if you have your patches stored in a git repository, proper patch
> +formatting can be had with "git format-patch".  The tools can not create

                                                             cannot

> +the necessary text, though, so read the instructions below anyway.
>  
>  The canonical patch subject line is:

[snip]



-- 
~Randy
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