Re: LOBOS (kexec)

Eric W. Biederman (ebiederm@xmission.com)
20 Nov 2001 06:40:19 -0700


RaXl NXXez de Arenas Coronado <dervishd@jazzfree.com> writes:

> Hello Larry (or Eric) :)
>
> >> I've been wanting Linux which can boot Linux for a long time.
> >I am maintaining a version of this functionality against 2.4.x
> >called kexec. And I plan to work on integration into linux with 2.5.x.
> >After the details are worked out I will look at a backport to 2.4.x
>
> I think that this is a very important point, since will ease the
> making of installation disks, etc... Moreover, it will ease the
> creation of 'live' linux systems that can do a pretty work detecting
> the hardware and the like.

Yep it allows linux to sever a lot of very interesting roles. Linux
doesn't act especially well as firmware (it is fairly big). But otherwise
it does a good job.

> >The hard part is not linux booting linux but the passing of the
> >firmware/BIOS tables from one kernel to the next.
>
> Why?. I mean, I haven't read on this issue in the LOBOS project.
> I'm afraid I thought that this was easier than it really is...

The difficulty isn't in implementation but in freezing the API. Which
is needed if you want a solid long term approach.

>
> >I am doing this a part of the linuxBIOS effort and as such it is just
>
> I want to take a look at LinuxBIOS.

The documentation is sketchy but you can look at:
http://www.linuxbios.org and ask questions on the mailing list.

Eric
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