The 6.4 kernel has been released

Most of the stuff in my mailbox the last week has been aboutupcoming things for 6.5, and I already have 15 pull requestspending. I appreciate all you proactive people.

But that's for tomorrow. Today we're all busy build-testing thenewest kernel release, and checking that it's all good. Right?

Headline features in this release include:generic iterators for BPF,the removal of the SELinux runtime disableknob,the removal of the SLOB memory allocator,linear address masking support on IntelCPUs,process-level samepage merging control,support for user trace events,more infrastructure for writing kernel modules in Rust,per-VMA locks,and much more.See the LWN merge-window summaries (part1, part2), and the (in-progress) KernelNewbies 6.4 page forthe details.