Re: [PATCH v2] x86,sched: allow topologies where NUMA nodes share an LLC

From: Alison Schofield
Date: Mon Mar 26 2018 - 18:19:15 EST


On Thu, Mar 22, 2018 at 04:30:29PM -0700, Luck, Tony wrote:
> On Thu, Mar 22, 2018 at 01:49:22PM -0700, Alison Schofield wrote:
> > + if (!topology_same_node(c, o) &&
> > + (c->x86_vendor == X86_VENDOR_INTEL &&
> > + c->x86_model == INTEL_FAM6_SKYLAKE_X)) {
>
> Maybe make life easier in the future to add more models
> to the list by using x86_match_cpu() here?
>
> -Tony

Tony -
Am I on the right track below?

Define like this:
static const __initconst struct x86_cpu_id snc_cpu[] = {
{ X86_VENDOR_INTEL, 6, INTEL_FAM6_SKYLAKE_X },
{}
};

Use like this:
if (!topology_same_node(c, o) && x86_match_cpu(snc_cpu)) {

Thanks,
alisons