Re: [PATCH v6 14/27] x86/percpu: Adapt percpu for PIE support

[Thomas Garnier]

On Thu, Jan 31, 2019 at 6:31 PM Christopher Lameter <cl@xxxxxxxxx> wrote:
>
> On Thu, 31 Jan 2019, Thomas Garnier wrote:
>
> > The per-cpu symbols are in a section that is zero based to create
> > offsets. The compiler doesn't see them as offsets but as relative
> > symbol and try to relocate them. Given the distance between zero and
> > the mapped kernel is much larger than the instruction offset range, it
> > fails to do it.
>
> We switch that off in the linker. If that does not work with your
> modifications then you need to figure out how to update the link
> configuration.
>

It didn't work originally but I will revisit to see if I missed something.