linux-kernel - Re: Helping with backports: linux-next, linux, linux-stable

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Message-Id: <20120922111733.75b2bfd0c2397a98635c1f1b@canb.auug.org.au>
Date:	Sat, 22 Sep 2012 11:17:33 +1000
From:	Stephen Rothwell <sfr@...b.auug.org.au>
To:	"Luis R. Rodriguez" <mcgrof@...not-panic.com>
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Konstantin Ryabitsev <mricon@...nel.org>,
	linux-kernel@...r.kernel.org, backports@...r.kernel.org,
	"H. Peter Anvin" <hpa@...or.com>
Subject: Re: Helping with backports: linux-next, linux, linux-stable - a few
 enhancements

Hi Luis,

On Fri, 21 Sep 2012 09:24:44 -0700 "Luis R. Rodriguez" <mcgrof@...not-panic.com> wrote:
>
> > I don't see how pulling linux-stable into linux-next really helps anyone
> > out, linux-stable is so far behind what is in linux-next it's not funny.
> 
> By pulling linux-stable into linux-next you get to be able to run
> things like this from within linux-next:
> 
> git format-patch --grep="stable@...r.kernel.org" -o
> $PENDING_STABLE_DIR v3.5.4.. $MY_FILES
> 
> That is, from v3.5.4 up to that day's linux-next tag.
> 
> Without linux-stable linux-next does not get the v3.5.4 tags to allow
> me / users of compat-drivers to do this. We do this to accelerate the
> incorporation of stable pending-stable patches into a release based on
> a stable extraversion release.

You need to have linux-stable as a remote in your tree then.
linux-stable and linux-next are independent tree and will never share any
commits that are not in Linus' tree as well.  I do not need more commits
and tags in my tree than I already have.

> Right, absolutely! Using a remote arrangements fixes this completely
> for me. I alone can live happy doing what I do but since I have users
> depending on using compat-drivers to make their own set of releases
> and test things it means I have to get folks using compat-drivers to
> also set up the same git remotes arrangements. That's fine but I'm
> looking to simplify it if I can for users.

If they fetch from your tree, and your tree has Linus' tree and
linux-next and linux-stable in it (and you have local tracking branches
for those trees, or they explicitly use --tags when they fetch) then they
will get all that from you.

-- 
Cheers,
Stephen Rothwell                    sfr@...b.auug.org.au

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