Re: NONE for ALL, and ALL for NONE

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

On Wed, Dec 05, 2018 at 01:40:58AM +0530, Cherry G.Mathew wrote:
> Hello,
> 
> I was paring down GENERIC to see if I could build a kernel without
> ACPI/MPBIOS - and voila - it's still possible! (with a few nits here and
> there).
> 
> In the spirit of yin/yang, I thought this was a fun provide a minimalist
> configuration without these, and the following suggestion seemed
> inspiring:
> 
> <jak> well, we do have a ALL, maybe we need a NONE
> 
> (disclaimer: <jak> may or may not resemble anyone in real life, with or
> without above opinion).
> 
> One interesting outcome of this exercise was to tease out cross subsystem
> dependencies that have slowly crept in - for eg: PCI vs. MSI.
> 
> I've added a patch below for your entertainment, but more seriously, I'm
> wondering what people think about having a "NONE" kernel - something
> with just the very basic code needed to boot on the least common
> denominator x86 platform - real or emulated.

I think you could take one more step and get rid of PCI entirely.
pciide should show up as wdc0 at isa, and vga should show up at isa too

-- 
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
     NetBSD: 26 ans d'experience feront toujours la difference
--