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From: Thomas Monjalon <thomas@monjalon.net>
To: Andrew Rybchenko <arybchenko@solarflare.com>
Cc: olivier.matz@6wind.com, dev@dpdk.org
Subject: Re: [dpdk-dev] [PATCH] doc: announce API change in mbuf
Date: Mon, 05 Aug 2019 12:14:44 +0200
Message-ID: <2677143.fGCan8KAsM@xps> (raw)
In-Reply-To: <b91dee93-ee4c-193d-3136-7ccfc1aae34e@solarflare.com>

05/08/2019 10:05, Andrew Rybchenko:
> On 8/1/19 3:41 PM, Thomas Monjalon wrote:
> > In order to prepare for a long term stable API, the mbuf library
> > has to change: allowing more features as dynamic fields,
> > and fixing the lack of rte_ prefix in the namespace.
> > The namespace fix should not break the compatibility by keeping
> > some aliases during few releases to give time for migration.
> >
> > Signed-off-by: Thomas Monjalon <thomas@monjalon.net>
> > +* mbuf: Some fields will be moved or converted to dynamic API in DPDK 19.11
> > +  in order to offer more space for the dynamic fields in future.
> > +  The namespace will be fixed at the same time while keeping a backward
> > +  compatibility for some time.
> The deprecation notice is better than nothing, but "some fields" is
> hardly useful since it doe not provide enough information if an
> application is affected or not.
> Also we have no yet information on performance impact of
> switching to dynamic fields.
> May be it is not a problem if switching does not happen.
> I have no strong opinion, just trying to raise my concerns.
> May be you already have answers on it.

Unfortunately I don't have answers because I did not start this work.
We will have to evaluate the impact and discuss what to move or not.

  reply	other threads:[~2019-08-05 10:14 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-01 12:41 Thomas Monjalon
2019-08-04 21:33 ` Olivier Matz
2019-08-05  8:05 ` Andrew Rybchenko
2019-08-05 10:14   ` Thomas Monjalon [this message]
2020-07-31 16:03 Thomas Monjalon
2020-08-02 19:28 ` Olivier Matz
2020-08-03 12:43   ` Andrew Rybchenko
2020-08-03 14:25 ` David Marchand
2020-08-05  9:28 ` Kinsella, Ray
2020-08-06  0:07   ` Thomas Monjalon

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