power and percpu: Could we move the paca into the percpu area?

Benjamin Herrenschmidt benh at kernel.crashing.org
Fri Jun 13 07:57:08 EST 2014


On Thu, 2014-06-12 at 07:26 -0500, Segher Boessenkool wrote:
> But, indeed, it does look like GCC doesn't use it.  It seems to me
> that
> some ABI forbade userland (or non-libraries or whatever) from using
> it.
> I'll see what I can find out.

I can still use -ffixed-cr5 for safety no ?

Cheers,
Ben.




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