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From: Thomas Monjalon <thomas.monjalon@6wind.com>
To: apanda@cs.berkeley.edu
Cc: dev@dpdk.org, Panu Matilainen <pmatilai@redhat.com>
Subject: Re: [dpdk-dev] [dpdk-users] DPDK 16.04 link changes cause PMD drivers to not be loaded
Date: Thu, 21 Apr 2016 17:18:16 +0200	[thread overview]
Message-ID: <2358356.HZLcvC2y3R@xps13> (raw)
In-Reply-To: <5718EB59.5010808@cs.berkeley.edu>

2016-04-21 08:01, Aurojit Panda:
> Panu Matilainen wrote:
[...]
> > Again, PMDs are *plugins* that are *meant* to be loaded at runtime.
> > That allows for all sorts of flexibility especially
> > for packaging and shipping, at some extra cost in setup complexity.
> 
> I am all for a plugin architecture, I was merely suggesting that you
> embed some path infromation at the beginning. Also please note:
> (a) This behavior changed recently.

What changed recently?

> (b) This change is entirely undocumented, which is why I was reporting
> it in the first place.
> (c) It is actually quite unintutive, because previously ensuring
> LD_LIBRARY_PATH was correct was all that was required 
> to get any DPDK application to interact with ports.

?
Are you talking about combined library?

> > For your own purposes, you can of course tweak the linking settings
> > as much as you like. Look for "plugins" in mk/rte.app.mk and change
> > the shared lib condition on the line above to "y" and there you have it.
> > But that's not the way plugins are meant to be used.
> 
> That is not a reasonable solution given that it makes it very hard to
> track future changes to DPDK without merges.
> My alternatives neither break people's abilities to use plugins,
> nor do they impact behavior.

Please do not hesitate to send some patch to show your solution.
Thanks

  reply	other threads:[~2016-04-21 15:18 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <57158D01.5020407@cs.berkeley.edu>
     [not found] ` <57173EA4.9000208@redhat.com>
     [not found]   ` <5717917D.9030504@cs.berkeley.edu>
     [not found]     ` <571895D9.3090700@redhat.com>
2016-04-21 15:01       ` Aurojit Panda
2016-04-21 15:18         ` Thomas Monjalon [this message]
2016-04-21 15:24           ` Aurojit Panda
2016-04-22 10:08             ` Panu Matilainen
2016-04-21 15:29           ` Aurojit Panda

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