Re: Disable EISA and probes

[Jeffrey Walton <noloader@gmail.com>]

On Sat, Sep 5, 2020 at 10:52 AM Greg KH <greg@kroah.com> wrote:
>
> ...
> > > > > > I would like to disable EISA and its probes during boot. I found the
> > > > > > docs at https://www.kernel.org/doc/html/latest/driver-api/eisa.html,
> > > > > > but it does not discuss how to disable EISA or the probes.
> > > > > >
> > > > > > I also found https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1543919,
> > > > > > where folks are wondering why EISA is enabled by default nowadays. And
> > > > > > one person asks about a kernel option to disable it (like I am doing).
> > > > > >
> > > > > > I'd like to add a boot param like eisa=0 or eisa=off, but I suspect
> > > > > > it's not that easy. Looking at the three documented kernel parameters,
> > > > > > they all enable EISA and probes.
> > > > > >
> > > > > > How do I disable EISA and the probes?
> > > > >
> > > > > Build a kernel without EISA in it at all?  That's the simplest way as
> > > > > you must have some custom hardware that doesn't like this, so a
> > > > > custom-configuration seems like the best option.
> > > >
> > > > Nothing custom. I just have modern hardware.
> > > >
> > > > What's the purpose of including EISA by default? It has not been used
> > > > in 25 years.
> > >
> > > distro kernels have to support everything.  The kernel should still just
> > > work just fine with it enabled but not present, right?
> >
> > Modern distros and their minimum requirements preclude EISA. One
> > cannot meet a distros minimum requirements and have EISA.
>
> Then file a bug with your distro to have it removed from their kernel
> images.

Thanks.

So does that mean it is not possible to disable EISA and its probes?

Jeff

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