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From: Thomas Monjalon <thomas@monjalon.net>
To: Ferruh Yigit <ferruh.yigit@intel.com>
Cc: dev@dpdk.org, shijith.thotton@caviumnetworks.com,
	qiming.yang@intel.com, jingjing.wu@intel.com,
	luca.boccassi@att.com, gregory@weka.io, helin.zhang@intel.com,
	xuekun.hu@intel.com, harish.patil@cavium.com
Subject: Re: [dpdk-dev] [PATCH] igb_uio: revert open and release operations
Date: Fri, 13 Oct 2017 23:17:43 +0200	[thread overview]
Message-ID: <2430055.mEKKrXQe0W@xps> (raw)
In-Reply-To: <12571807.rgXucML5gE@xps>

13/10/2017 23:11, Thomas Monjalon:
> 13/10/2017 23:05, Ferruh Yigit:
> > On 10/13/2017 3:51 PM, Thomas Monjalon wrote:
> > > Some VF drivers cannot work with igb_uio because of the
> > > reset done in these functions.
> > > 
> > > First bug report:
> > > 	http://dpdk.org/ml/archives/dev/2017-September/075236.html
> > > 
> > > A partial reset was tried:
> > > 	http://dpdk.org/patch/28940
> > > 
> > > Second bug report after a partial revert trial:
> > > 	http://dpdk.org/ml/archives/dev/2017-September/076998.html
> > > 
> > > The patch author agreed to revert his patch:
> > > 	http://dpdk.org/ml/archives/dev/2017-October/077158.html
> > > 
> > > There are also some patches available to fix issues with i40e:
> > > 	http://dpdk.org/patch/30021
> > > 	http://dpdk.org/patch/30022
> > > 
> > > This patch takes the simple option of reverting the initial patch
> > > and gives more time to properly improve igb_uio and PMDs.
> > > 
> > > Fixes: b58eedfc7dd5 ("igb_uio: issue FLR during open and release of device file")
> > > 
> > > Reported-by: Qiming Yang <qiming.yang@intel.com>
> > > Reported-by: Jingjing Wu <jingjing.wu@intel.com>
> > > Signed-off-by: Thomas Monjalon <thomas@monjalon.net>
> > 
> > Hi Thomas,
> > 
> > I put already some comment into other fix patch [1].
> > 
> > Mainly taking into account of current time for release, this patch make
> > sense, but I suggest giving a chance to the fix mentioned above.
> > 
> > Because the original patch is for safer igb_uio, and fixing a few times
> > reported issue.
> > 
> > Since this is rc1, we have time for testing, and many parties will be
> > doing tests. Lets get the fix for rc1, and if we find any issue revert
> > the patch?
> 
> OK, please check it works for every VF drivers.
> There was an issue reported with bnxt.
Sorry, it was qede.

  reply	other threads:[~2017-10-13 21:17 UTC|newest]

Thread overview: 45+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-09-13  7:51 [dpdk-dev] vf init issue with patch igb_uio: issue FLR during open and release of device file Yang, Qiming
2017-09-13 10:48 ` Shijith Thotton
2017-09-13 11:03   ` Ferruh Yigit
2017-09-13 14:25     ` Hu, Xuekun
2017-09-13 17:06       ` Ferruh Yigit
2017-09-13 19:44         ` Patil, Harish
2017-09-15  8:04           ` Yang, Qiming
2017-09-15  8:42             ` Thomas Monjalon
2017-09-15  9:18               ` Yang, Qiming
2017-09-15  9:25                 ` Ferruh Yigit
2017-09-15  9:31                 ` Shijith Thotton
2017-09-17  2:49             ` Gregory Etelson
2017-09-18  2:21               ` Yang, Qiming
2017-09-18  2:39                 ` Zhang, Helin
2017-09-18  3:50                   ` Yang, Qiming
2017-09-18  6:49                     ` Shijith Thotton
2017-09-18 19:33                       ` Ferruh Yigit
2017-09-18 22:43                       ` Patil, Harish
2017-09-14  3:16         ` Yang, Qiming
2017-09-14  7:00           ` Shijith Thotton
2017-09-14  7:15             ` Shijith Thotton
2017-09-14  1:23   ` Yang, Qiming
2017-09-19 10:24 ` [dpdk-dev] [PATCH] igb_uio: remove PCI reset during uio device open Shijith Thotton
2017-09-20 16:52   ` Ferruh Yigit
2017-09-21 10:00   ` Luca Boccassi
2017-09-22  2:47   ` Yang, Qiming
2017-09-29 12:57   ` Wu, Jingjing
2017-10-02 18:24     ` Shijith Thotton
2017-10-03 11:35       ` Gregory Etelson
2017-10-13 14:36         ` Shijith Thotton
2017-10-13 14:51 ` [dpdk-dev] [PATCH] igb_uio: revert open and release operations Thomas Monjalon
2017-10-13 21:05   ` Ferruh Yigit
2017-10-13 21:11     ` Thomas Monjalon
2017-10-13 21:17       ` Thomas Monjalon [this message]
2017-10-17 20:14 Ferruh Yigit
2017-10-17 20:33 ` Thomas Monjalon
2017-10-18  4:50   ` Patil, Harish
2017-10-19 22:43     ` Patil, Harish
2017-10-20  1:15       ` Ferruh Yigit
2017-10-20 15:26         ` Tan, Jianfeng
2017-10-20 16:32           ` Ferruh Yigit
2017-10-18  0:14 ` Wu, Jingjing
2017-10-18  6:27 ` Shijith Thotton
2017-10-18 20:47   ` Ferruh Yigit
2017-10-24 21:32 ` Ferruh Yigit

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