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Re: [RFC PATCH 6/8] nvdimm: add PPC64 'device-node' property
From: |
Aneesh Kumar K.V |
Subject: |
Re: [RFC PATCH 6/8] nvdimm: add PPC64 'device-node' property |
Date: |
Tue, 15 Jun 2021 15:03:18 +0530 |
Daniel Henrique Barboza <danielhb413@gmail.com> writes:
> The spapr-nvdimm driver is able to operate in two ways. The first
> one is as a regular memory in which the NUMA node of the parent
> pc-dimm class is used. The second mode, as persistent memory, allows for
> a different NUMA node to be used based on the locality of the device.
>
> At this moment we don't have a way to express this second NUMA node for
> the persistent memory mode. This patch introduces a new 'device-node'
> property that will be used by the PPC64 spapr-nvdimm driver to set a
> second NUMA node for the nvdimm.
if device-node is not specified on the commandline, we should default to
the same value of node= attribute? Right now I am finding this default
to 0.
-aneesh
- [RFC PATCH 0/8] pSeries base FORM2 NUMA affinity support, Daniel Henrique Barboza, 2021/06/14
- [RFC PATCH 1/8] spapr: move NUMA data init to do_client_architecture_support(), Daniel Henrique Barboza, 2021/06/14
- [RFC PATCH 2/8] spapr_numa.c: split FORM1 code into helpers, Daniel Henrique Barboza, 2021/06/14
- [RFC PATCH 3/8] spapr_numa.c: wait for CAS before writing rtas DT, Daniel Henrique Barboza, 2021/06/14
- [RFC PATCH 4/8] spapr_numa.c: base FORM2 NUMA affinity support, Daniel Henrique Barboza, 2021/06/14
- [RFC PATCH 5/8] spapr: simplify spapr_numa_associativity_init params, Daniel Henrique Barboza, 2021/06/14
- [RFC PATCH 6/8] nvdimm: add PPC64 'device-node' property, Daniel Henrique Barboza, 2021/06/14
- Re: [RFC PATCH 6/8] nvdimm: add PPC64 'device-node' property,
Aneesh Kumar K.V <=
- [RFC PATCH 7/8] spapr_numa, spapar_nvdimm: write secondary NUMA domain for nvdimms, Daniel Henrique Barboza, 2021/06/14
- [RFC PATCH 8/8] spapr: move memory/cpu less check to spapr_numa_FORM1_affinity_init(), Daniel Henrique Barboza, 2021/06/14