* Andy Lutomirski <[email protected]> wrote:
> On Wed, Mar 4, 2015 at 12:02 AM, Ingo Molnar <[email protected]> wrote:
> >
> > * Andy Lutomirski <[email protected]> wrote:
> >
> >> We currently store references to the top of the kernel stack in
> >> multiple places: kernel_stack (with an offset) and
> >> init_tss.x86_tss.sp0 (no offset). The latter is defined by hardware
> >> and is a clean canonical way to find the top of the stack. Add an
> >
> > Btw., 'per_cpu(init_tss)' is a somewhat misleading name these days, as
> > there's nothing 'init' about it anymore - we load it during CPU init
> > and then manually maintain its contents. A better name would be
> > 'current_tss' - referring to both the current CPU and the current
> > task?
>
> Hmm. That seems a little odd to me, since we never change the TSS
> pointer. It's certainly better than init_tss, though. I'll add a
> followup to rename it.
Alternatively we could use 'cpu_tss': the CPU's current TSS.
Thanks,
Ingo
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