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

[Paolo Giarrusso]

Andi Kleen <ak@xxxxxxx> ha scritto: 

> Paolo 'Blaisorblade' Giarrusso <blaisorblade@xxxxxxxx> writes:
> 
> > From: Paolo 'Blaisorblade' Giarrusso <blaisorblade@xxxxxxxx>
> > 
> > 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?

Moreover, who has recently tested module loading in x86-64 uml
kernels? I don't remember doing such testing recently...

http://marc.theaimsgroup.com/?l=user-mode-linux-devel&m=115125101012707&w=2


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