-----Original Message-----
From: Ferruh Yigit <[email protected]>
Date: Friday, October 20, 2017 at 9:57 AM
To: Jingjing Wu <[email protected]>, "Thotton, Shijith"
<[email protected]>, Gregory Etelson <[email protected]>, Harish
Patil <[email protected]>
Cc: Thomas Monjalon <[email protected]>, "[email protected]" <[email protected]>,
"[email protected]" <[email protected]>, Jianfeng Tan
<[email protected]>, George Prekas <[email protected]>, Sergio
Gonzalez Monroy <[email protected]>
Subject: Re: [PATCH] igb_uio: remove device reset in open
>On 10/20/2017 9:55 AM, Ferruh Yigit wrote:
>> Remove device reset during application start, the reset for application
>> exit still there.
>>
>> Reset in open removed because of following comments:
>> 1- Device reset not completed when VF driver loaded, which cause VF PMD
>> initialization error.
>> Adding delay can solve the issue but will increase driver load time.
>>
>> 2- Reset will be issues all devices unconditionally, not very efficient
>> way.
>>
>> Fixes: b58eedfc7dd5 ("igb_uio: issue FLR during open and release of
>>device file")
>> Cc: [email protected]
>>
>> Signed-off-by: Ferruh Yigit <[email protected]>
>
>Hi Jingjing, Shijith, Gregory, Harish,
>
>Can you please test this on top of current master (which has already
>Jingjin's
>fix) ?
>
>Thanks,
>Ferruh
Ferruh,
Sure, will try and get back to you.
Thanks.
>
>> ---
>> Cc: Jianfeng Tan <[email protected]>
>> Cc: Jingjing Wu <[email protected]>
>> Cc: Shijith Thotton <[email protected]>
>> Cc: Gregory Etelson <[email protected]>
>> Cc: Harish Patil <[email protected]>
>> Cc: George Prekas <[email protected]>
>> Cc: Sergio Gonzalez Monroy <[email protected]>
>> ---
>> lib/librte_eal/linuxapp/igb_uio/igb_uio.c | 2 --
>> 1 file changed, 2 deletions(-)
>>
>> diff --git a/lib/librte_eal/linuxapp/igb_uio/igb_uio.c
>>b/lib/librte_eal/linuxapp/igb_uio/igb_uio.c
>> index f7ef82554..fd320d87d 100644
>> --- a/lib/librte_eal/linuxapp/igb_uio/igb_uio.c
>> +++ b/lib/librte_eal/linuxapp/igb_uio/igb_uio.c
>> @@ -336,8 +336,6 @@ igbuio_pci_open(struct uio_info *info, struct inode
>>*inode)
>> struct pci_dev *dev = udev->pdev;
>> int err;
>>
>> - pci_reset_function(dev);
>> -
>> /* set bus master, which was cleared by the reset function */
>> pci_set_master(dev);
>>
>>
>
