Re: [PATCH RESEND 1/3] topology: Represent clusters of CPUs within a die

From: Peter Zijlstra
Date: Wed Oct 06 2021 - 08:23:06 EST


On Wed, Oct 06, 2021 at 11:50:35PM +1300, Barry Song wrote:

> > diff --git a/drivers/base/arch_topology.c b/drivers/base/arch_topology.c
> > index 7cb31d959f33..fc0836f460fb 100644
> > --- a/drivers/base/arch_topology.c
> > +++ b/drivers/base/arch_topology.c
> > @@ -622,7 +622,8 @@ void update_siblings_masks(unsigned int cpuid)
> > if (cpuid_topo->package_id != cpu_topo->package_id)
> > continue;
> >
> > - if (cpuid_topo->cluster_id == cpu_topo->cluster_id) {
> > + if (cpuid_topo->cluster_id == cpu_topo->cluster_id &&
> > + cpuid_topo->cluster_id != -1) {
> > cpumask_set_cpu(cpu, &cpuid_topo->cluster_sibling);
> > cpumask_set_cpu(cpuid, &cpu_topo->cluster_sibling);
> > }
> >
>
> Hi Peter,
> Would you like to change this line in your tree?

Can you please double check:

https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git/log/?h=sched/next