As with discussions on an individual patch series, starting a larger-scale
discussion often begins by sending a patch or series to the list. This might
take the form of an initial design doc, with implementation following in later
iterations of the series (for example,
<a href="https://lore.kernel.org/git/0169ce6fb9ccafc089b74ae406db0d1a8ff8ac65.1688165272.git.steadmon@google.com/">adding unit tests</a> or
<a href="https://lore.kernel.org/git/20200420235310.94493-1-emilyshaffer@google.com/">config-based hoo