Re: Should Xen be a sub-arch or a build option?

Hi Kip,

On Sun, Oct 21, 2007 at 08:56:35PM -0700, Kip Macy wrote:
- A shared directory as most of the bits will be shared:
- sys/xen - common bits
- sys/xen/i386 - i386 specific bits
- sys/xen/amd64 - amd64 specific bits

This is what I'd prefer - i386/amd64 as separate dir under sys/xen.

It could, in principle, also be done as a build option. I'm not sure
how well it would mesh with the existing build tools as there are a
number of files that I would not want to compile in (e.g. code that
talked directly to the BIOS) that is normally built by default. In
that case I would structure it:

I wouldn't go for a build option; I'd prefer to make it seperate, as I
fear making it a seperate build option would introduce needless clutter
which can easily be avoided.

There is also a question of where the drivers should be put. I propose
that they would be put under sys/dev/xen, so you would have e.g.
sys/dev/xen/xennet, sys/dev/xen/xenblk etc.

That sounds fine to me.

--
Rink P.W. Springer - http://rink.nu
"root is always right" -- the kernel
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