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From: Shijith Thotton <shijith.thotton@caviumnetworks.com>
To: Ferruh Yigit <ferruh.yigit@intel.com>
Cc: Jingjing Wu <jingjing.wu@intel.com>,
	Gregory Etelson <gregory@weka.io>,
	Harish Patil <harish.patil@cavium.com>,
	Thomas Monjalon <thomas@monjalon.net>,
	dev@dpdk.org, stable@dpdk.org,
	Jianfeng Tan <jianfeng.tan@intel.com>,
	George Prekas <george.prekas@epfl.ch>,
	Sergio Gonzalez Monroy <sergio.gonzalez.monroy@intel.com>
Subject: Re: [dpdk-dev] [PATCH] igb_uio: remove device reset in open
Date: Tue, 24 Oct 2017 00:33:47 +0530	[thread overview]
Message-ID: <20171023190346.GA20733@localhost.localdomain> (raw)
In-Reply-To: <ef41920f-4d5e-df48-b249-d09c47280382@intel.com>

On Mon, Oct 23, 2017 at 09:36:38AM -0700, Ferruh Yigit wrote:
> On 10/23/2017 5:28 AM, Shijith Thotton wrote:
> > On Fri, Oct 20, 2017 at 09:57:38AM -0700, Ferruh Yigit wrote:
> >> 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: stable@dpdk.org
> >>>
> >>> Signed-off-by: Ferruh Yigit <ferruh.yigit@intel.com>
> >>
> >> Hi Jingjing, Shijith, Gregory, Harish,
> >>
> >> Can you please test this on top of current master (which has already Jingjin's
> >> fix) ?
> > 
> > Hi Ferruh,
> > 
> > Tested for LiquidIO cards and it works.
> 
> Thanks Shijith,
> 
> Is following commit needs to be reverted after pci_reset removed from open():
> 
> Commit: 9ed3f38770c6 ("net/liquidio: remove FLR request to PF driver")

Not required. The commit can stay.

Thanks,
Shijith

  reply	other threads:[~2017-10-23 19:03 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-10-17 20:14 [dpdk-dev] [PATCH] igb_uio: revert open and release operations 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
2017-10-20 16:55             ` [dpdk-dev] [PATCH] igb_uio: remove device reset in open Ferruh Yigit
2017-10-20 16:57               ` Ferruh Yigit
2017-10-20 19:01                 ` Gregory Etelson
2017-10-20 22:18                 ` Patil, Harish
2017-10-23 12:28                 ` Shijith Thotton
2017-10-23 16:36                   ` Ferruh Yigit
2017-10-23 19:03                     ` Shijith Thotton [this message]
2017-10-25 23:43                 ` Mody, Rasesh
2017-10-26  9:28                   ` Tan, Jianfeng
2017-10-27  0:49                     ` Ferruh Yigit
2017-11-01  6:58                       ` Mody, Rasesh
2017-11-01 14:12                         ` Stephen Hemminger
2017-11-02  8:03                           ` Mody, Rasesh
2017-11-02  8:55                             ` Ferruh Yigit
2017-11-02 17:34                               ` Mody, Rasesh
2017-11-02 18:09                                 ` Ferruh Yigit
2017-11-02 18:45                                   ` Mody, Rasesh
2017-11-03  0:31                                     ` Ferruh Yigit
2017-11-03 19:18                                       ` Mody, Rasesh
2017-11-03 19:24                                         ` Thomas Monjalon
2017-11-03 22:20                                           ` Ferruh Yigit
2017-11-03 22:39                                             ` Ferruh Yigit
2017-10-24 21:38               ` Ferruh Yigit
2017-10-18  0:14 ` [dpdk-dev] [PATCH] igb_uio: revert open and release operations Wu, Jingjing
2017-10-18  6:27 ` Shijith Thotton
2017-10-18 20:47   ` Ferruh Yigit
2017-10-24 21:32 ` Ferruh Yigit
2017-10-22 16:06 [dpdk-dev] [PATCH] igb_uio: remove device reset in open Patil, Harish

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