Linux kernel sysctl support

This is an informal wiki to keep tabs on Linux kernel proc sysctl support ongoing R&D and outstanding things.

Previous pull requests

This contains the list of changes sent to Linus:

• sysctl-v6.7-rc1

Onging development

Things requiring more community eyeballs or maintainer review:

• const stuff - Joel's got this
• removing ctl sentinel - Joel's hacking on this, should be ready for next merge window

TODO

• remove kernel/sysctl.c kitchen sink
• extend kdevops sysctl testing with kunit sysctl support, it already has selftests support
• connect with patchwork as eBPF folks have done for certain patches
• hookup kdeovps sysctl testing with 0-day