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SubjectRe: [PATCH 00/10] HMM updates for 5.1
On Tue, Mar 19, 2019 at 10:19 AM Jerome Glisse <jglisse@redhat.com> wrote:
>
> On Tue, Mar 19, 2019 at 10:12:49AM -0700, Andrew Morton wrote:
> > On Tue, 19 Mar 2019 12:58:02 -0400 Jerome Glisse <jglisse@redhat.com> wrote:
[..]
> > Also, the discussion regarding [07/10] is substantial and is ongoing so
> > please let's push along wth that.
>
> I can move it as last patch in the serie but it is needed for ODP RDMA
> convertion too. Otherwise i will just move that code into the ODP RDMA
> code and will have to move it again into HMM code once i am done with
> the nouveau changes and in the meantime i expect other driver will want
> to use this 2 helpers too.

I still hold out hope that we can find a way to have productive
discussions about the implementation of this infrastructure.
Threatening to move the code elsewhere to bypass the feedback is not
productive.

>
> >
> > What is the review/discussion status of "[PATCH 09/10] mm/hmm: allow to
> > mirror vma of a file on a DAX backed filesystem"?
>
> I explained that this is needed for the ODP RDMA convertion as ODP RDMA
> does supported DAX today and thus i can not push that convertion without
> that support as otherwise i would regress RDMA ODP.
>
> Also this is to be use by nouveau which is upstream and there is no
> reasons to not support vma that happens to be mmap of a file on a file-
> system that is using a DAX block device.
>
> I do not think Dan had any comment code wise, i think he was complaining
> about the wording of the commit not being clear and i proposed an updated
> wording that he seemed to like.

Yes, please resend with the updated changelog and I'll ack.

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