DPDK patches and discussions
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From: Ferruh Yigit <ferruh.yigit@intel.com>
To: Panu Matilainen <pmatilai@redhat.com>
Cc: dev@dpdk.org, Eric Kinzie <ekinzie@brocade.com>
Subject: Re: [dpdk-dev] [PATCH v2] mk: fix ABI versioning compile error for	combined shared library
Date: Tue, 3 Nov 2015 11:33:46 +0000	[thread overview]
Message-ID: <20151103113346.GA14881@sivlogin002.ir.intel.com> (raw)
In-Reply-To: <56388F46.7040405@redhat.com>

On Tue, Nov 03, 2015 at 12:41:10PM +0200, Panu Matilainen wrote:
> On 11/03/2015 11:20 AM, Ferruh Yigit wrote:
>> On Tue, Nov 03, 2015 at 09:06:05AM +0200, Panu Matilainen wrote:
>>> On 11/02/2015 05:23 PM, Ferruh Yigit wrote:
>>>> Fixes following error:
>>>>     LD libdpdk.so
>>>>     /usr/bin/ld: /root/dpdk/build/lib/libdpdk.so: version node not found
>>>>     for symbol <function>@DPDK_x.y
>>>>
>>>> Defines version symbols in a fixed path libdpdk.map file and this
>>>> value hardcoded into makefile
>>>
>>> Hold on. What problem is this supposed to be fixing?
>> This patch is to fix combined library compilation error when ABI versining used.
>> Currently if ABI version macros used (VERSION_SYMBOL), we are not able to compile combined shared library.
>>
>>> If its for the bonding thing (as it'd appear from the threading), NAK.
>> Nothing directly related to the bonding, just issue observed in this thread.
>
> Okay, understood, it was just not clear from the description. Since there 
> are no users of VERSION_SYMBOL etc macros this error has not come up until 
> now.
>
>>
>>> The symbol versioning in
>>> that patch is confused needs to be fixed there instead of inventing strange
>>> workarounds elsewhere.
>>>
>> This is not intented to be a workaround but a fix, unless you have a better idea.
>
> The problem is, it undoes the other benefit of symbol versioning: hiding the 
> internal symbols. So in my eyes its more of a hack or a workaround than a 
> fix.
>
> I'd much much rather see this as a solution:
> http://dpdk.org/dev/patchwork/patch/4262/
>
What I observed from this, how/why combined library should be generated is under question, from that perspective I agree this patch is a hack.
If current method is used, this patch just fixes compile error, also patch is not related to versioning in combined library, which is still broken.

Thanks,
ferruh

> 	- Panu -

  reply	other threads:[~2015-11-03 11:33 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-10-19 15:36 [dpdk-dev] [PATCH v6 0/4] bonding corrections and additions Eric Kinzie
2015-10-19 15:36 ` [dpdk-dev] [PATCH v6 1/4] bond mode 4: copy entire config structure Eric Kinzie
2015-10-19 15:36 ` [dpdk-dev] [PATCH v6 2/4] bond mode 4: do not ignore multicast Eric Kinzie
2015-10-19 15:36 ` [dpdk-dev] [PATCH v6 3/4] bond mode 4: allow external state machine Eric Kinzie
2015-11-01 18:17   ` Thomas Monjalon
2015-11-01 23:17     ` [dpdk-dev] [PATCH] mk: fix ABI versioning compile error for combined shared library Ferruh Yigit
2015-11-01 23:24       ` Thomas Monjalon
2015-11-02  0:05         ` Ferruh Yigit
2015-11-02  7:10           ` Thomas Monjalon
2015-11-02 10:20             ` Ferruh Yigit
2015-11-02 15:23               ` [dpdk-dev] [PATCH v2] " Ferruh Yigit
2015-11-02 16:26                 ` Thomas Monjalon
2015-11-02 19:18                   ` Ferruh Yigit
2015-11-03  7:06                 ` Panu Matilainen
2015-11-03  9:20                   ` Ferruh Yigit
2015-11-03 10:41                     ` Panu Matilainen
2015-11-03 11:33                       ` Ferruh Yigit [this message]
2015-11-03 11:43                         ` Panu Matilainen
2015-11-06 13:58                 ` [dpdk-dev] [PATCH] " Ferruh Yigit
2015-11-06 13:58                   ` Ferruh Yigit
2015-11-02 10:23     ` [dpdk-dev] [PATCH v6 3/4] bond mode 4: allow external state machine Panu Matilainen
2015-11-02 16:42       ` Eric Kinzie
2015-11-03  6:48         ` Panu Matilainen
2015-11-03  8:16           ` Thomas Monjalon
2015-11-03  8:30             ` Panu Matilainen
2015-11-03  9:38               ` Thomas Monjalon
2015-11-03 17:12               ` Eric Kinzie
2015-11-03 11:02           ` Ferruh Yigit
2015-11-03 11:31             ` Panu Matilainen
2015-11-03 11:48               ` Ferruh Yigit
2015-11-20 19:46                 ` Eric Kinzie
2015-11-24 14:52                   ` Panu Matilainen
2015-10-19 15:36 ` [dpdk-dev] [PATCH v6 4/4] bond mode 4: tests for " Eric Kinzie
2015-10-19 16:27 ` [dpdk-dev] [PATCH v6 0/4] bonding corrections and additions Declan Doherty

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