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SubjectRe: [ofa-general] ***SPAM*** InfiniBand/RDMA merge plans for 2.6.27
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Roland Dreier wrote:
> Core:
>
> - I'm waiting to merge the RDMA_CM_EVENT_ADDR_CHANGE changes that
> depend on core networking changes until such changes are upstream.
> Or, please remind me when that happens.
>
> - Jack's XRC patch set. I think we're getting closer to converging
> here, and I hope to get this merged but we're getting down to the
> wire, so we'll see.
>
I hope we can get those in
> HW specific:
>
> - Yevgeny's mlx4 changes. We'll see how much time is left after I
> get done with XRC (which is before this on my list) but to be
> honest I'm not sure how mergeable a lot of this is without the
> mlx4_en patches that actually use it.
>
We just posted the mlx4_en patches, and we need to coordinate the merge
of them together
> - I've been working on memory management extensions support for mlx4,
> but I'm not sure if it will be ready in time. Firmware for this
> may not be released for a while so it ain't urgent anyway.
>
We are testing the patches and we already have FW that enable them.
I agree its not urgent but it would be good to have it, so ULPs that are
interested can be tested over IB too.
> Here are a few topics that I believe will not be ready in time for the
> 2.6.27 window and will need to wait for 2.6.28 at least:
>
> - Multiple CQ event vector support. No one has convinced me that we
> know how ULPs or userspace apps should decide which vector to use,
> and hence little progress has been made since we deferred this
> during the 2.6.23 merge window.
>
We should progress this one even if we missed 2.6.27, especially we need
it for RSS, and I know also RDS can gain from it.

Tziporet


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