Re: [kvm-ppc-devel] Current e500 kvm guest kernel booting log

[Hollis Blanchard <hollisb@us.ibm.com>]

On Fri, 2007-12-14 at 14:15 +0800, Zhang Wei wrote:
> > Hollis Blanchard wrote:
> > > On Thu, 2007-12-13 at 18:14 +0800, Zhang Wei wrote:
> > >>> From: Hollis Blanchard [mailto:hollisb@us.ibm.com]
> > >>>>> We haven't touched the "hack" code recently, since we've been
> > >>>>> refactoring the upstream tree. That's pretty much done
> > >>>>> though, and right
> > >>>>> now I'm just starting to integrate the old 440 support with the
> > >>>>> new upstream code. That's not in a good state right now, but I
> > >>>>> could clean it up and send it out if you're interested.
> > >>>> 
> > >>>> Yes! I think hack codes are only for verifying the idea. Our
> > >>>> target is for upstream code. I hope I could join you!
> > >>> 
> > >>> Well, unfortunately at the moment I'm just fighting with
> > >>> asm-offsets.h . :( Since I'm basically already on vacation,
> > >>> I'm not sure
> > >>> I'll be able to get anything ready until January.
> > >>> 
> > >> 
> > >> Do you mind send out the asm-offsets.h? Maybe I can take it base on
> > >> the hack code.
> > > 
> > > Oh, the file is the same. The problem is how to have Kbuild
> > > automatically generate it.
> > 
> > IA64 have the same issues , do you have good idea to handle 
> > it ?  Now, I
> > let kvm makefile to call a extenal script to solve it. :)
> > 
> 
> Do you mean if you change the struct kvm_vcpu of the kvm.h file, but the
> asm-offsets.h file can not be re-generated by your current Makefile?
> 
> If it is, you can modify Makefile as below:
> - $(obj)/kvm-offsets.s: $(src)/kvm-offsets.c
> + $(obj)/kvm-offsets.s: $(src)/kvm-offsets.c FORCE
> 
> Or is there any other problems about asm-offsets.h in Makefile?

Yes, there is a larger problem: forget the dependencies; how do we
generate asm-offsets.h in the first place? The Makefile hackery that
I've posted before is not a good solution, and I'm looking for that good
solution.

IA64 needs to generate its own asm-offsets too, and so does lguest.
That's why I've been looking at the "mkasm-values" patches recently
(google it)...

-- 
Hollis Blanchard
IBM Linux Technology Center


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