Re: shrink struct ib_send_wr V4

[Doug Ledford <dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>]

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On 09/13/2015 11:13 AM, Christoph Hellwig wrote:
> This series shrinks the WR size by splitting out the different WR
> types.
> 
> Patch number one is too large for the mailinglist, so if you didn't
> get it grab it here:
> 
> 	http://git.infradead.org/users/hch/rdma.git/commitdiff_plain/c752d80937ff2d71f25ae7fcdd1a151054fb2ceb
> 
> or the full git tree at:
> 
> 	git://git.infradead.org/users/hch/rdma.git wr-cleanup

I had to do a minor hand merge to get this to apply, but it has been
pulled in for 4.4.

> 
> Now that we have 4.3-rc1 out it might be a good idea to get the rdma tree
> for 4.4 started with it.  Both I and others have additional large patches
> pending that build ontop of this.
> 
> Changes since V3:
>   - dropped the old first patch as it has been merged
>   - rebase to 4.3-rc1
> 
> Changes since V2:
>  - fixed patch one to accept SEND - note that this was alredy fixed by
>    patch 2
>  - added a CC: stable for patch 1
>  - added additional review tags
> 
> Changes since V1:
>  - new patch 1 which rejects invalid opcodes.  Patch 2 was doing
>    this implicitly except for UD QPs, but I think we should a)
>    do this explicitly and b) ensure this goes into 4.2 and -stable
>    as I can see quite a lot of harm from submitting such malformed
>    operations
>  - patch 2 now covers all drivers including those in staging to
>    side step any sort of discussions on the staging tree.
>  - patch 2 now explicitly replaces the weird overloading in the mlx5
>    driver with an explicit embedding of struct ib_send_wr, similar
>    to what we do for all other MRs.
>  - new patch to drop another unused send_wr field.
> 
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-- 
Doug Ledford <dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
              GPG KeyID: 0E572FDD



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