Re: [PATCH v4 7/7] x86/vdso: Move out the CPU number store

From: Thomas Gleixner
Date: Mon Jun 25 2018 - 15:40:57 EST


On Mon, 25 Jun 2018, H. Peter Anvin wrote:

> On 06/25/18 08:40, Thomas Gleixner wrote:
> > On Fri, 22 Jun 2018, Andy Lutomirski wrote:
> >
> >> On Fri, Jun 22, 2018 at 11:02 AM Bae, Chang Seok
> >> <chang.seok.bae@xxxxxxxxx> wrote:
> >>>
> >>>> Still setup_cpu_number() sucks.
> >>>
> >>> How about setup_cpu_and_node_number()?
> >>
> >> setup_fast_cpu_node_nr()? setup_cpunr_regs()? I don't have any
> >> brilliant ideas. Thomas?
> >
> > It's really hard to find a good one. setup_cpu_node_cache() might work, but
> > it's not brilliant either.
> >
>
> Since this applies to the getcpu(2) system call (in addition to the
> kernel usage), perhaps setup_getcpu()?

Works for me.