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References: <20191204100546.32095-1-david.marchand@redhat.com>
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From: David Marchand <david.marchand@redhat.com>
Date: Thu, 7 May 2020 14:35:35 +0200
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To: Thomas Monjalon <thomas@monjalon.net>
Cc: dpdk stable <stable@dpdk.org>, dev <dev@dpdk.org>,
 Matan Azrad <matan@mellanox.com>, Shahaf Shuler <shahafs@mellanox.com>,
 Viacheslav Ovsiienko <viacheslavo@mellanox.com>, 
 Raslan <rasland@mellanox.com>, Luca Boccassi <bluca@debian.org>,
 Ray Kinsella <mdr@ashroe.eu>
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Subject: Re: [dpdk-dev] [dpdk-stable] [PATCH] drivers/net: fix mlx* glue
	libraries ABI version
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On Thu, Dec 12, 2019 at 11:18 PM Thomas Monjalon <thomas@monjalon.net> wrot=
e:
>
> 04/12/2019 11:05, David Marchand:
> > Those libraries have been missed when switching to global ABI version.
>
> The versioning of the glue libraries are for compatibility checks
> between the PMD and its dependency (rdma-core) packaged as a plugin,
> called glue library.
>
> This versioning is updated when there is a change in the verbs glue
> interface, in order to avoid issues in case of PMD and glue
> updated separately with a non-compatible version.
> I don't think the mlx glue libraries are part of the ABI policy
> which acts at the application level.
>
> Am I missing something?

Sorry, this patch fell into the cracks.

I agree that this is not part of the ABI policy.
This version only indicates something internal.

But what I am proposing here is just to remove this special case.
What is the point of exposing a special version, while the net drivers
are the only one depending on those glue libs?
Do you expect separate packaging for the net driver and its associated glue=
 lib?

This special version also makes it impossible to install two versions
of dpdk if those versions of dpdk need the same glue version.

I still think it is better to align to the version of dpdk, though the
commitlog needs some work.


--=20
David Marchand