Re: [HMM 16/16] mm/hmm/devmem: dummy HMM device for ZONE_DEVICE memory v2

From: Jerome Glisse
Date: Fri Mar 17 2017 - 12:54:00 EST


On Fri, Mar 17, 2017 at 02:55:57PM +0800, Bob Liu wrote:
> Hi Jérôme,
>
> On 2017/3/17 0:05, Jérôme Glisse wrote:
> > This introduce a dummy HMM device class so device driver can use it to
> > create hmm_device for the sole purpose of registering device memory.
>
> May I ask where is the latest dummy HMM device driver?
> I can only get this one: https://patchwork.kernel.org/patch/4352061/

https://cgit.freedesktop.org/~glisse/linux/log/?h=hmm-next

This is a 4.10 tree but the dummy driver there apply on top of v18

https://cgit.freedesktop.org/~glisse/linux/log/?h=hmm-v18

This is really an example driver it doesn't do anything useful beside
help in testing and debugging.

Cheers,
Jérôme