Re: Request to include Mailbox tree in linux-next

[Russell King - ARM Linux]

On Fri, Aug 08, 2014 at 07:55:52PM +0530, Jassi Brar wrote:
> On 8 August 2014 09:59, Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote:
> > Hi Jassi,
> >
> > On Wed, 6 Aug 2014 12:25:49 +0530 Jassi Brar <jaswinder.singh@xxxxxxxxxx> wrote:
> >>
> >>  The framework for Mailbox has undergone 10 revisions over the last
> >> one year, which has garnered support in the form of 'Reviewed-by' and
> >> 'looks good enough to be merged in this window' from people in the CC
> >> list.
> >>
> >>   Could you please add it to linux-next?
> >> Tree:       git://git.linaro.org/landing-teams/working/fujitsu/integration.git
> >> Branch:   mailbox-for-3.17
> >> Contact:  Jassi Brar <jaswinder.singh@xxxxxxxxxx>
> >
> > This is really late for v3.17.  The purpose of linux-next is to
> > discover interactions between trees before they are pulled into Linus'
> > tree and to do some cross architecture build checking.  Adding a tree
> > during the merge window is not very helpful to that.
> >
> > However if this is really going to be merged by Linus before v3.17-rc1,
> > I will add it on Monday, OK?
> >
> The patchset was deemed ready enough for this merge window. However
> some late nitpicks and bikeshedding discussions ate time and my
> confidence to send a pull request to Linus.

If it wasn't in linux-next before the merge window, you shouldn't be
thinking about sending it to Linus.  Your changes may cause conflicts
with other trees, which would be unknown - and to push it in during
a merge window without it having been visible to others is quite
unacceptable.

As Stephen says, linux-next is there to find interactions between
trees before the code hits during the merge window - so that people
know what conflicts are likely, and what the resolutions to the
conflicts should be.  If your tree is not part of linux-next, then
it's an unknown as far as everyone else is concerned.

> Upon Mark's suggestion (and the right thing to do) I wanted the patchset
> to live the cycle in linux-next.

Yes, that's the right thing to do, but you sent the request at an
inappropriate time.  The correct time to send your request would be
after 3.17-rc1 has been released, IOW after the current merge window
is over.

In general, kernel developers don't "remember" requests from one week
to the next; instead, we much prefer people send their requests at the
appropriate times in the development cycle.

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