[ofa-general] Re: infiniband bonding/merging/aggregation with SDP and/or VERBS

[Moni Shoua]

Michael S. Tsirkin wrote:
>> Quoting Moni Shoua <monisonlists at gmail.com>:
>> Subject: Re: infiniband bonding/merging/aggregation with SDP and/or?VERBS
>>
>> Tziporet Koren wrote:
>>> Moni Shoua wrote:
>>>> ib-bonding is based on standard Linux bonding with some required
>>>> changes to make it work with IPoIB.
>>> What is the status of accepting the specific IB changes to Linux kernel?
>> I've sent a new patch yesterday with a comment about module unload being 
>> unsafe under specific scenarios.
>> Michael's opinion is that we should fix this issue first but I think that
>> there is a place to push the current patch now and wait for the other fix to
>> come later (which is probably not in IB or at least not just IB).
> 
> I don't think this summarizes my opinion correctly.
> I just would like to see all the patches together - I have a feeling caching the
> device in ipoib->dev is problematic and module unloading issues are just a
> symptom pointing to deeper issues.
> 
I'll try to summarize the concept of bonding and IPoiB soon but in the meantime 
I just want to make sure that I understand you.
You're saying that caching the device in ipoib->dev is problematic. What do you mean by that?
This is how bonding works (even for Ethernet). It takes a pointer of dev and remembers it for its operation.