Change IDs for kernel patches

For all its faults, email has long proved to be an effective communication mechanism for kernel development. Similarly, Git is an effective tool for source-code management. But there is no real connection between the two, meaning that there is no straightforward way to connect a Git commit with the email discussions that led to its acceptance. Once a patch enters a repository, it transitions into a new form of existence and leaves its past life behind. Doug Anderson recently went to the ksummit-discuss list with a proposal to add Gerrit-style change IDs as a way of connecting the two lives of a kernel patch; the end result may not be quite what he was asking for.

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