Re: [uml-devel] [PATCH 1/3] uml: use -mcmodel=kernel for x86_64

[Andi Kleen <ak@suse.de>]

On Tuesday 08 August 2006 16:03, Paolo Giarrusso wrote:
> Andi Kleen <ak@suse.de> ha scritto: 
> 
> > Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> writes:
> > 
> > > From: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
> > > 
> > > We have never used this flag and recently one user experienced a
> > complaining
> > > warning about this (there was a symbol in the positive half of
> > the address space
> > > IIRC). So fix it.
> > 
> > You can't use kernel cmodel in user space.  It requires running on
> > negative
> > virtual addresses. I would be surprised if it worked for you.
> 
> Argh, yes, I didn't test the patch and I didn't think to it a lot. So
> what about the following bug? Should we hack our own module loader
> based on x86-64's one?

Add the positive relocations to the standard x86-64 loader
and send me a patch. Then you can reuse it.

That should be cleaner than forking it

-Andi

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