[dpdk-dev] [PATCH] igb_uio: remove device reset in open

Ferruh Yigit ferruh.yigit at intel.com
Fri Nov 3 23:39:18 CET 2017


On 11/3/2017 3:20 PM, Ferruh Yigit wrote:
> On 11/3/2017 12:24 PM, Thomas Monjalon wrote:
>> 03/11/2017 20:18, Mody, Rasesh:
>>> From: Ferruh Yigit [mailto:ferruh.yigit at intel.com]
>>>> On 11/2/2017 11:45 AM, Mody, Rasesh wrote:
>>>>> From: Ferruh Yigit [mailto:ferruh.yigit at intel.com]
>>>>>> On 11/2/2017 10:34 AM, Mody, Rasesh wrote:
>>>>> We are ok as we have at least some way to disable the reset, please send a
>>>> patch.
>>>>
>>>> Sent http://dpdk.org/dev/patchwork/patch/31143/, can you please test?
>>>
>>> The testing of BNX2X looks OK with this patch. However, the solution has following drawbacks:
>>>  - an application will need to be recompiled to have the igb_uio kernel module rebuilt to support bnx2x devices
>>>  - this will break pre-compiled solutions that are provided with an OS such as RHOSP or as part of a pre-compiled VNF
>>>
>>> We can live with this temporary solution for now. In the long term, we may have to revisit this.
>>> We are also looking at why bnx2x FLR is taking this long.
>>
>> Yes, I think the long term solution should be to fix your PMD
>> or your firmware.
>> Please keep us posted when you find the root cause with your device.
>> Thanks
> 
> Lee Roberts suggested doing device specific action instead of build time option.
> 
> I send following:
> http://dpdk.org/dev/patchwork/patch/31168/
> 
> What do you think about this approach?
> 
> Meanwhile I will send a more proper patch to discuss on.

http://dpdk.org/dev/patchwork/patch/31169/


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