Re: [PATCH v2] x86,sched: Update the Intel SNC CPU list that allows shared LLCs

2021-02-24 Thread Dave Hansen
On 2/16/21 11:58 AM, Alison Schofield wrote: > arch/x86/kernel/smpboot.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c > index 02813a7f3a7c..de8c598dc3b9 100644 > --- a/arch/x86/kernel/smpboot.c > +++ b/arch/x86/kernel/smpboot.c

[PATCH v2] x86,sched: Update the Intel SNC CPU list that allows shared LLCs

2021-02-16 Thread Alison Schofield
Commit 1340ccfa9a9a ("x86,sched: Allow topologies where NUMA nodes share an LLC") added a vendor and model specific check to never call topology_sane() for systems where NUMA nodes share an LLC. Intel's Ice Lake and Sapphire Rapids CPUs exhibit this same topology. They enumerate an LLC that is