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SubjectRe: [PATCH 00/10] HMM updates for 5.1
Date
On Wed, Mar 13, 2019 at 09:10:04AM -0700, Andrew Morton wrote:
> On Tue, 12 Mar 2019 21:27:06 -0400 Jerome Glisse <jglisse@redhat.com> wrote:
>
> > Andrew you will not be pushing this patchset in 5.1 ?
>
> I'd like to. It sounds like we're converging on a plan.
>
> It would be good to hear more from the driver developers who will be
> consuming these new features - links to patchsets, review feedback,
> etc. Which individuals should we be asking? Felix, Christian and
> Jason, perhaps?

At least the Mellanox driver patch looks like a good improvement:

https://patchwork.kernel.org/patch/10786625/
5 files changed, 202 insertions(+), 452 deletions(-)

In fact it hollows out the 'umem_odp' driver abstraction we already
had in the RDMA core.

So, I fully expect to see this API used in mlx5 and RDMA-core after it
is merged.

We've done some testing now, and there are still some outstanding
questions on the driver parts, but I haven't seen anything
fundamentally wrong with HMM mirror come up.

Jason

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