On Sat, Jul 11, 2015 at 10:19:58PM -0700, Josh Triplett wrote:

> Patch submitters should be making it clear to what tree their patch
> applies, preferably using an unambiguous tag in the mail subject.  In
> the absence of such a tag, try it against torvalds/linux.git and
> linux-next.git, and then give up and tell the submitter to specify what
> their patch applies to.

This does get complicated rapidly when people have trees with multiple
branches, or when people start basing work on other pending serieses.
It's easy to indicate, but doing so in a way that a machine can cope
with gets harder.