On Wed, Apr 18, 2018 at 4:26 PM, Andi Kleen <ak@xxxxxxxxxxxxxxx> wrote:
>
> Seems like a hack. Why can't that be stored in a per cpu variable?
It *is* a percpu variable - the whole x86_tss structure is percpu.
I guess it could be a different (separate) percpu variable, but might
as well use the space we already have allocated.
Linus
