[$] 6.4 Merge window, part 1

Post Syndicated from original https://lwn.net/Articles/930068/

As of this writing, nearly 7,500 non-merge changesets have been pulled into
the mainline repository for the 6.4 kernel release. The 6.4 merge window
is thus clearly off and running, with a number of significant changes
merged already. Read on for a summary of the most significant pulled
so far.