svn commit: r348611 - in head/sys: conf kern

[Enji Cooper]

> On Jun 4, 2019, at 6:07 AM, Ed Maste <emaste at freebsd.org> wrote:
> 
> Author: emaste
> Date: Tue Jun  4 13:07:10 2019
> New Revision: 348611
> URL: https://svnweb.freebsd.org/changeset/base/348611
> 
> Log:
>  Expose the kernel's build-ID through sysctl
> 
>  After our migration (of certain architectures) to lld the kernel is built
>  with a unique build-ID.  Make it available via a sysctl and uname(1) to
>  allow the user to identify their running kernel.

This is awesome! One minor critique is that I would have mentioned that the sysctl is `kern.build_id`.

How is this linked into uname(1) though? I don’t see any additional options added to the utility in this commit.

Thank you!
-Enji