Modules changes for v6.1-rc1

There's only two pathes queued up for v6.1 for modules, these have
been grinding on linux-next for at least 4 weeks now:

  * David Disseldorp's minor enhancement for sysfs compression string
  * Aaron Tomlin's debugfs interface to view unloaded tainted modules

But there are other changes queued up for testing for the next merge
window already. One change being still discussed, and *not* yet even close
to testing on linux-next, but worth mentioning to put on your radar is
the generalization of the bpf prog_pack thing. The idea with that is to
generalize the iTLB gains seen with using huge pages on eBPF to other text
uses on the kernel (modules, ftrace, kprobes). Song Liu is doing a good job
following up on that difficult task as the semantics for the special
permissions are crap, and it really hasn't been easy to put all this
together. The latest effort can be read on his vmalloc_exec() patch
series [0].

Aaron will have a fix posted soon for the debugfs interface for unloaded
modules, when that comes I'll just bounce that to you as it should be
merged.

[0] https://lkml.kernel.org/r/20220818224218.2399791-1-song@kernel.org
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