Re: [patch v3 1/1] md: Software Raid autodetect dev list not array

[Randy Dunlap]

Michael Evans wrote:
> On 8/28/07, Bill Davidsen <davidsen@xxxxxxx> wrote:
> > Michael Evans wrote:
> > > Oh, I see.  I forgot about the changelogs.  I'd send out version 5
> > > now, but I'm not sure what kernel version to make the patch against.
> > > 2.6.23-rc4 is on kernel.org and I don't see any git snapshots.
> > > Additionally I never could tell what git tree was the 'mainline' as it
> > > isn't labeled with such a keyword (at least in the list of git trees I
> > > saw).
> >
> > I suspect you wait for 2.5.23 release, or send it to AKPM for inclusion
> > in an "-mm" kernel. That's probably desirable, anyway.
> >
> > --
>
> There's another list I should CC to?  Or does the section maintainer
> do that when they're happy with the patch?

Not another list; just cc: akpm@xxxxxxxxxxxxxxxxxxxx so that he can merge
it into the -mm kernel patches for testing.  Most patches cook in the -mm
kernel(s) before they are merged into mainline.

Then generally the subsystem maintainer(s) are responsible for sending
patches on to Linus for merging into mainline, if/when they are happy
with the patch and they think that it has been tested enough.

Mainline progresses (roughly, e.g.) like so:

2.6.22
then patches are applied and we get (possibly) daily snapshots from git, like
2.6.22-git1, 2.6.22-git2, ...

After the primary 2-week merge window for new code (i.e., not just bug fixes),
we get 2.6.23-rc1.
Then as more patches are merged, we get 2.6.23-rc1-gitN...

Then 2.6.23-rc2 ... 2.6.23-rc2-gitN...

2.6.23-rc3 ... 2.6.23-rc3-gitN...

blah blah blah

You can use git to download and track the mainline kernel changes,
or you can download tarballs + patches (patches for each -rc as well as
for each -gitN snapshot) and apply the patches yourself or use a
script to do it. (like 'ketchup': http://www.selenic.com/ketchup/wiki/;
or like http://www.xenotime.net/linux/scripts/grab_kernel)

In general, patches should be made against latest/recent kernels, either
current git (cloned or updated via pull), or against recent patches
+ git snapshot if there is a git snapshot that is applicable.
Immediately after 2.6.23-rcN, there is no applicable git snapshot to
be applied (well, a few hours later there may be).

Sometimes it is appropriate to make patches against the -mm kernel
patchset, but only if the patch is for code that is only in that
kernel patchset (or if Andrew asks for a patch to be updated against
-mm).  [This is a mostly rough generalization.]  Andrew normally
takes patches against mainline and coerces them into -mm if coercion
is needed.

--
~Randy
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