Re: [driver-core PATCH v6 9/9] libnvdimm: Schedule device registration on node local to the device

[Dan Williams]

On Thu, Nov 8, 2018 at 10:07 AM Alexander Duyck
<alexander.h.duyck@xxxxxxxxxxxxxxx> wrote:
>
> Force the device registration for nvdimm devices to be closer to the actual
> device. This is achieved by using either the NUMA node ID of the region, or
> of the parent. By doing this we can have everything above the region based
> on the region, and everything below the region based on the nvdimm bus.
>
> By guaranteeing NUMA locality I see an improvement of as high as 25% for
> per-node init of a system with 12TB of persistent memory.
>

It seems the speed-up is achieved with just patches 1, 2, and 9 from
this series, correct? I wouldn't want to hold up that benefit while
the driver-core bits are debated.

You can add:

    Reviewed-by: Dan Williams <dan.j.williams@xxxxxxxxx>

...if the series needs to be kept together, but as far as I can see
the workqueue changes enable 2 sub-topics of development and it might
make sense for Tejun to take those first 2 and then Greg and I can
base any follow-up topics on that stable baseline.