COMPAT_43 users?

[Mark Johnston]

On Wed, Aug 01, 2018 at 04:15:09AM -0600, Warner Losh wrote:
> Comments say it's needed for Linux emulation and for running FreeBSD 1, 2,
> or 3 binaries. It's still compiled for PowerPC kernels. Despite it's name,
> it looks like removing it would be somewhat complicated...

It's not required for Linux emulation anymore.

> On Tue, Jul 31, 2018 at 6:39 PM, Julian Elischer <julian at freebsd.org> wrote:
> 
> > On 1/8/18 5:49 am, Mark Johnston wrote:
> >
> >> The COMPAT_43 kernel option, which enables syscall support for 4.3BSD
> >> binaries, hasn't been enabled in the standard kernel configs for well
> >> over a decade, and doesn't appear to be a dependency of any other kernel
> >> features.  Nonetheless, the kernel contains quite a bit of code to
> >> support this option.  Does anyone use it in modern versions of FreeBSD
> >> or have any arguments for keeping it?
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> >> "
> >>
> >> It is useful for really ancient jails I believe. The person I would trust
> > on this is jhb. (CC'd)
> >
> > I occasionally like to run a freebsd-1.1 jail.. but While I enable it I am
> > not sure if I need it.
> >
> >
> >
> >
> >
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