On 08/14/2013 09:52 AM, Peter Zijlstra wrote:
>
> Oh curses, this is because lea can't do segment offsets? So there's no
> sane way to get addresses of per-cpu variables.
>
> Because ideally we'd have something like:
>
> lea %gs:__percpu_runqueues,%rax
>
> So in this case it makes sense to also store the actual pointer; how
> unfortunate.
>
Correct; the segment offset is not part of the effective address, even
in 64-bit mode.
-hpa
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