From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ferruh Yigit <ferruh.yigit@intel.com>
Subject: Re: [PATCH] igb_uio: remove device reset in open
Date: Fri, 3 Nov 2017 15:20:44 -0700
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Cc: Stephen Hemminger <stephen@networkplumber.org>,
 "Tan, Jianfeng" <jianfeng.tan@intel.com>, Jingjing Wu
 <jingjing.wu@intel.com>, "Thotton, Shijith" <Shijith.Thotton@cavium.com>,
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 <Harish.Patil@cavium.com>, dev@dpdk.org,
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 Sergio Gonzalez Monroy <sergio.gonzalez.monroy@intel.com>,
 "Roberts, Lee A." <lee.roberts@hpe.com>
To: Thomas Monjalon <thomas@monjalon.net>,
 "Mody, Rasesh" <Rasesh.Mody@cavium.com>
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On 11/3/2017 12:24 PM, Thomas Monjalon wrote:
> 03/11/2017 20:18, Mody, Rasesh:
>> From: Ferruh Yigit [mailto:ferruh.yigit@intel.com]
>>> On 11/2/2017 11:45 AM, Mody, Rasesh wrote:
>>>> From: Ferruh Yigit [mailto:ferruh.yigit@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.


Thanks,
ferruh