[dpdk-dev] [PATCH] doc: announce ABI change for ring structure
olivier.matz at 6wind.com
Fri Dec 8 15:14:47 CET 2017
On Mon, Sep 11, 2017 at 03:39:13PM +0200, Olivier Matz wrote:
> As discussed on the mailing list, the alignment constraint of
> the ring structure can be relaxed.
> Link: http://dpdk.org/dev/patchwork/patch/25039
> Link: http://dpdk.org/dev/patchwork/patch/26103
> Signed-off-by: Olivier Matz <olivier.matz at 6wind.com>
> doc/guides/rel_notes/deprecation.rst | 6 ++++++
> 1 file changed, 6 insertions(+)
> diff --git a/doc/guides/rel_notes/deprecation.rst b/doc/guides/rel_notes/deprecation.rst
> index 3362f3350..5a63c0277 100644
> --- a/doc/guides/rel_notes/deprecation.rst
> +++ b/doc/guides/rel_notes/deprecation.rst
> @@ -120,3 +120,9 @@ Deprecation Notices
> The non-"do-sig" versions of the hash tables will be removed
> (including the ``signature_offset`` parameter)
> and the "do-sig" versions renamed accordingly.
> +* ring: The alignment constraints on the ring structure will be relaxed
> + to one cache line instead of two, and an empty cache line padding will
> + be added between the producer and consumer structures. The size of the
> + structure and the offset of the fields will remain the same on
> + platforms with 64B cache line, but will change on other platforms.
It looks this patch was forgotten.
It has 3 acks but was not integrated in 17.11.
Or did I miss something?
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