[dpdk-dev] [PATCH v2 2/2] igb_uio: fix interrupt enablement after FLR in VM

Patil, Harish Harish.Patil at cavium.com
Tue Oct 17 03:32:23 CEST 2017



-----Original Message-----
From: Ferruh Yigit <ferruh.yigit at intel.com>
Date: Monday, October 16, 2017 at 4:52 PM
To: Harish Patil <Harish.Patil at cavium.com>, Gregory Etelson
<gregory at weka.io>
Cc: "Thotton, Shijith" <Shijith.Thotton at cavium.com>, "Wu, Jingjing"
<jingjing.wu at intel.com>, "Tan, Jianfeng" <jianfeng.tan at intel.com>, "Xing,
Beilei" <beilei.xing at intel.com>, "dev at dpdk.org" <dev at dpdk.org>,
"stable at dpdk.org" <stable at dpdk.org>
Subject: Re: [PATCH v2 2/2] igb_uio: fix interrupt enablement after FLR in
VM

>On 10/16/2017 3:49 PM, Patil, Harish wrote:
>> From: Gregory Etelson <gregory at weka.io <mailto:gregory at weka.io>>
>> Date: Saturday, October 14, 2017 at 8:10 PM
>> To: Ferruh Yigit <ferruh.yigit at intel.com
>><mailto:ferruh.yigit at intel.com>>
>> Cc: "Thotton, Shijith" <Shijith.Thotton at cavium.com
>> <mailto:Shijith.Thotton at cavium.com>>, "Wu, Jingjing"
>> <jingjing.wu at intel.com <mailto:jingjing.wu at intel.com>>, Harish Patil
>> <Harish.Patil at cavium.com <mailto:Harish.Patil at cavium.com>>, "Tan,
>> Jianfeng" <jianfeng.tan at intel.com <mailto:jianfeng.tan at intel.com>>,
>> "Xing, Beilei" <beilei.xing at intel.com <mailto:beilei.xing at intel.com>>,
>> "dev at dpdk.org <mailto:dev at dpdk.org>" <dev at dpdk.org
>> <mailto:dev at dpdk.org>>, "stable at dpdk.org <mailto:stable at dpdk.org>"
>> <stable at dpdk.org <mailto:stable at dpdk.org>>
>> Subject: Re: [PATCH v2 2/2] igb_uio: fix interrupt enablement after FLR
>> in VM
>> 
>>     I'll start to build setup environment this week.
>>     Regards,
>>     Gregory
>> 
>>     On Sat, Oct 14, 2017 at 12:11 AM, Ferruh Yigit
>>     <ferruh.yigit at intel.com <mailto:ferruh.yigit at intel.com>> wrote:
>> 
>>         On 10/13/2017 9:12 AM, Shijith Thotton wrote:
>>         <...>
>> 
>>         > Hi Jingjing,
>>         >
>>         > This patch perfectly meets requirements as both resets are
>>retained
>>         > (open and release). Tested it with LiquidIO NIC and it works
>>fine.
>>         > I can see MSI-X re-enabled on each run with new patch.
>>         >
>>         > Gregory, Harish,
>>         > Please verify the patch on your setup if possible.
>> 
>>         Hi Gregory, Harish,
>> 
>>         Did you able to test this patch?
>> 
>>         Thanks,
>>         ferruh
>> 
>>         >
>>         > Thanks,
>>         > Shijith
>>         >
>> 
>> 
>> 
>> Hi all,
>> Its not working for qede VF device.
>> So request to back out all igb_uio changes related to the patch:
>> igb_uio: issue FLR during open and release of device file
>
>Hi Harish,
>
>Thanks for testing. We tried.
>
>For this release, agreed to revert back to original state, I will send a
>patch soon.
>
>
>But for further investigation in next release, can you please share more
>details? What is not working exactly, what is your setup, any
>kernel/DPDK log to share?
>
>Thanks,
>Ferruh

Okay, sure.
thanks.
>
>> 
>> Thanks,
>> Harish
>> 
>



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