[PATCH 1/6] libnvdimm: Add of_node to region and bus descriptors

We want to be able to cross reference the region and bus devices with the device tree node that they were spawned from. libNVDIMM handles creating the actual devices for these internally, so we need to pass in a pointer to the relevant node in the descriptor. Signed-off-by: Oliver O'Halloran

[PATCH 2/6] libnvdimm: Add nd_region_destroy()

Currently there's no way to remove a region from and nvdimm_bus without tearing down the whole bus. This patch adds an API for removing a single region from the bus so that we can implement a sensible unbind operation for the of_nd_region platform driver. Signed-off-by: Oliver O'Halloran

[PATCH 3/6] libnvdimm: Add device-tree based driver

This patch adds peliminary device-tree bindings for the NVDIMM driver. Currently this only supports one bus (created at probe time) which all regions are added to with individual regions being created by a platform device driver. Signed-off-by: Oliver O'Halloran --- I suspect

[PATCH 4/6] libnvdimm/of: Symlink platform and region devices

Add a way direct link between the region and the platform device that creates the region. Signed-off-by: Oliver O'Halloran --- drivers/nvdimm/of_nvdimm.c | 11 +++ drivers/nvdimm/region_devs.c | 13 + include/linux/libnvdimm.h| 1 + 3 files changed,

[PATCH 6/6] doc/devicetree: NVDIMM region documentation

Add device-tree binding documentation for the nvdimm region driver. Cc: devicet...@vger.kernel.org Signed-off-by: Oliver O'Halloran --- .../devicetree/bindings/nvdimm/nvdimm-region.txt | 45 ++ 1 file changed, 45 insertions(+) create mode 100644

[PATCH 5/6] powerpc/powernv: Create platform devs for nvdimm buses

Scan the devicetree for an nvdimm-bus compatible and create a platform device for them. Signed-off-by: Oliver O'Halloran --- arch/powerpc/platforms/powernv/opal.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/powerpc/platforms/powernv/opal.c

[ndctl PATCH] ndctl, documentation: update copyright

Use SPDX identifiers in the documentation source, and move the "Copyright" boilerplate that is emitted into the man page into a common header file. Signed-off-by: Dan Williams --- Documentation/copyright.txt |8

Re: [PATCH 2/6] libnvdimm: Add nd_region_destroy()

On Fri, Mar 23, 2018 at 1:12 AM, Oliver O'Halloran wrote: > Currently there's no way to remove a region from and nvdimm_bus without > tearing down the whole bus. This patch adds an API for removing a single > region from the bus so that we can implement a sensible unbind

Re: [PATCH 3/6] libnvdimm: Add device-tree based driver

On Fri, Mar 23, 2018 at 1:12 AM, Oliver O'Halloran wrote: > This patch adds peliminary device-tree bindings for the NVDIMM driver. *preliminary > Currently this only supports one bus (created at probe time) which all > regions are added to with individual regions being created

Re: [PATCH 4/6] libnvdimm/of: Symlink platform and region devices

On Fri, Mar 23, 2018 at 1:12 AM, Oliver O'Halloran wrote: > Add a way direct link between the region and the platform device that > creates the region. > This linking would not be needed if of_nd_regions each lived on their own bus.

Re: [PATCH v3 01/11] PCI/P2PDMA: Support peer-to-peer memory

On 23/03/18 03:50 PM, Bjorn Helgaas wrote: > Popping way up the stack, my original point was that I'm trying to > remove restrictions on what devices can participate in peer-to-peer > DMA. I think it's fairly clear that in conventional PCI, any devices > in the same PCI hierarchy, i.e., below

[ndctl PATCH] ndctl: fail NUMA filtering when unsupported

For systems that don't support NUMA, numactl gives a loud and fatal error: # numactl -N 0 ls numactl: This system does not support NUMA policy Follow this model in ndctl for NUMA based filtering: # ./ndctl/ndctl list --numa-node=0 Error: This system does not support NUMA This is done

Re: [ndctl PATCH] ndctl: fail NUMA filtering when unsupported

On Fri, Mar 23, 2018 at 4:08 PM, Ross Zwisler wrote: > For systems that don't support NUMA, numactl gives a loud and fatal error: > > # numactl -N 0 ls > numactl: This system does not support NUMA policy > > Follow this model in ndctl for NUMA based filtering: >

Re: [PATCH v3 01/11] PCI/P2PDMA: Support peer-to-peer memory

On Thu, Mar 22, 2018 at 10:57:32PM +, Stephen Bates wrote: > > I've seen the response that peers directly below a Root Port could not > > DMA to each other through the Root Port because of the "route to self" > > issue, and I'm not disputing that. > > Bjorn > > You asked me for a

Re: [PATCH v3 01/11] PCI/P2PDMA: Support peer-to-peer memory

On Fri, Mar 23, 2018 at 03:59:14PM -0600, Logan Gunthorpe wrote: > On 23/03/18 03:50 PM, Bjorn Helgaas wrote: > > Popping way up the stack, my original point was that I'm trying to > > remove restrictions on what devices can participate in > > peer-to-peer DMA. I think it's fairly clear that in