[$] The first half of the 6.9 merge window

Post Syndicated from corbet original https://lwn.net/Articles/965141/

As of this writing, just over 4,900 non-merge changesets have been pulled
into the mainline for the 6.9 release. This work includes the usual array
of changes all over the kernel tree; read on for a summary of the most
significant work merged during the first part of the 6.9 merge window.