Re: [HMM 00/16] HMM (Heterogeneous Memory Management) v18

From: Bob Liu
Date: Fri Mar 17 2017 - 04:42:12 EST


On 2017/3/17 7:49, Jerome Glisse wrote:
> On Thu, Mar 16, 2017 at 01:43:21PM -0700, Andrew Morton wrote:
>> On Thu, 16 Mar 2017 12:05:19 -0400 J__r__me Glisse <jglisse@xxxxxxxxxx> wrote:
>>
>>> Cliff note:
>>
>> "Cliff's notes" isn't appropriate for a large feature such as this.
>> Where's the long-form description? One which permits readers to fully
>> understand the requirements, design, alternative designs, the
>> implementation, the interface(s), etc?
>>
>> Have you ever spoken about HMM at a conference? If so, the supporting
>> presentation documents might help here. That's the level of detail
>> which should be presented here.
>
> Longer description of patchset rational, motivation and design choices
> were given in the first few posting of the patchset to which i included
> a link in my cover letter. Also given that i presented that for last 3
> or 4 years to mm summit and kernel summit i thought that by now peoples
> were familiar about the topic and wanted to spare them the long version.
> My bad.
>
> I attach a patch that is a first stab at a Documentation/hmm.txt that
> explain the motivation and rational behind HMM. I can probably add a
> section about how to use HMM from device driver point of view.
>

And a simple example program/pseudo-code make use of the device memory
would also very useful for person don't have GPU programming experience :)

Regards,
Bob