From: Jerin Jacob <jerinjacobk@gmail.com> To: Ferruh Yigit <ferruh.yigit@intel.com> Cc: Vamsi Krishna Attunuru <vattunuru@marvell.com>, "dev@dpdk.org" <dev@dpdk.org>, "thomas@monjalon.net" <thomas@monjalon.net>, Jerin Jacob Kollanukkaran <jerinj@marvell.com>, Kiran Kumar Kokkilagadda <kirankumark@marvell.com>, "olivier.matz@6wind.com" <olivier.matz@6wind.com>, "anatoly.burakov@intel.com" <anatoly.burakov@intel.com>, "arybchenko@solarflare.com" <arybchenko@solarflare.com>, "stephen@networkplumber.org" <stephen@networkplumber.org> Subject: Re: [dpdk-dev] [EXT] Re: [PATCH v12 0/2] add IOVA=VA mode support Date: Fri, 8 Nov 2019 20:24:20 +0530 Message-ID: <CALBAE1PTx_VBVbyxSXvMc5jR5AnRLjnA+GCkLvK+4mMgYZvzfw@mail.gmail.com> (raw) In-Reply-To: <dadf2035-115e-bece-9f92-8abc69a91b23@intel.com> On Fri, Nov 8, 2019 at 7:56 PM Ferruh Yigit <ferruh.yigit@intel.com> wrote: > > > >> Hi Vasim, Jerin, > >> > >> Overall looks good and I not getting any functional error but I am observing a > >> huge performance drop with this update, 3.8Mpps to 0.7Mpps [1]. > > > > Hi Ferruh, > > When it comes to actual kernel netdev test cases like iperf or any other use cases, there would not be any impact on performance. I think synthetic test case like loopback mode might not be the actual test case alone to depend on when the kernel module is featured to work with kind of devices(pdev or vdev). Users can always fallback to pa mode with cmd line option. > > > > Please suggest your thoughts on considering what test case to use & evaluate the performance difference. > > Hi Vasim, > > I also assume the real life test cases will be affected less, but the loopback > performance testing is good to show performance impact of the change. Yes. real-world case Linux kernel stack will be the bottleneck. > > (Stephen's predictions that KNI is not as fast as tun/tap are getting more real > by time J) > > At least I think the possible performance drop and how to mitigate it should be > documented both in release notes and kni documentation. +1 for adding documentation. Setting iova-mode=pa will be mitigation if the application does not care about iova-mode. > > For the final decision, I am not objecting it but I would like to see more ack > from community to confirm that we trade off iova=va functionality against > performance. In my view, IOVA as VA mode case, translation cannot be avoided and we have the requirement where it needs to work with vdev(where is not backed by any IOMMU context) so I am not sure how to avoid the translation cost. Since we have support for both modes,i.e existing IOVA as PA path still exists, I don't think, we are losing anything. > @Jerin, @Thomas, should we conclude this in techboard? Perhaps we can get it for > rc2 and drop it back if rejected in techboard? > > Regards, > ferruh
next prev parent reply index Thread overview: 251+ messages / expand[flat|nested] mbox.gz Atom feed top 2018-09-27 10:49 [PATCH] kni: add IOVA va support for kni Kiran Kumar 2018-09-27 10:58 ` Burakov, Anatoly 2018-10-02 17:05 ` Ferruh Yigit 2019-04-01 17:30 ` Jerin Jacob Kollanukkaran 2019-04-01 18:20 ` Ferruh Yigit 2019-04-01 9:51 ` [PATCH v2] " Kiran Kumar Kokkilagadda 2019-04-03 16:29 ` Ferruh Yigit 2019-04-04 5:03 ` [dpdk-dev] [EXT] " Kiran Kumar Kokkilagadda 2019-04-04 11:20 ` Ferruh Yigit 2019-04-04 13:29 ` Burakov, Anatoly 2019-04-04 9:57 ` Burakov, Anatoly 2019-04-04 11:21 ` Ferruh Yigit 2019-04-16 4:55 ` [dpdk-dev] [PATCH v3] " kirankumark 2019-04-19 10:38 ` Thomas Monjalon 2019-04-22 4:39 ` [dpdk-dev] [PATCH v4] " kirankumark 2019-04-22 6:15 ` [dpdk-dev] [PATCH v5] " kirankumark 2019-04-26 9:11 ` Burakov, Anatoly 2019-06-25 3:56 ` [dpdk-dev] [PATCH v6 0/4] add IOVA = VA support in KNI vattunuru 2019-06-25 3:56 ` [dpdk-dev] [PATCH v6 1/4] lib/mempool: skip populating mempool objs that falls on page boundaries vattunuru 2019-06-25 3:56 ` [dpdk-dev] [PATCH v6 2/4] lib/kni: add PCI related information vattunuru 2019-06-25 17:41 ` Stephen Hemminger 2019-06-26 3:48 ` [dpdk-dev] [EXT] " Vamsi Krishna Attunuru 2019-06-26 14:58 ` Stephen Hemminger 2019-06-27 9:43 ` Vamsi Krishna Attunuru 2019-07-11 16:22 ` [dpdk-dev] " Ferruh Yigit 2019-07-12 11:02 ` [dpdk-dev] [EXT] " Vamsi Krishna Attunuru 2019-07-12 11:11 ` Ferruh Yigit 2019-06-25 3:56 ` [dpdk-dev] [PATCH v6 3/4] example/kni: add IOVA support for kni application vattunuru 2019-07-11 16:23 ` Ferruh Yigit 2019-06-25 3:57 ` [dpdk-dev] [PATCH v6 4/4] kernel/linux/kni: add IOVA support in kni module vattunuru 2019-07-11 16:30 ` Ferruh Yigit 2019-07-12 10:38 ` [dpdk-dev] [EXT] " Vamsi Krishna Attunuru 2019-07-12 11:10 ` Ferruh Yigit 2019-07-12 12:27 ` Vamsi Krishna Attunuru 2019-07-12 16:29 ` Vamsi Krishna Attunuru 2019-07-15 11:26 ` Ferruh Yigit 2019-07-15 13:06 ` Vamsi Krishna Attunuru 2019-07-11 16:43 ` [dpdk-dev] " Stephen Hemminger 2019-06-25 10:00 ` [dpdk-dev] [PATCH v6 0/4] add IOVA = VA support in KNI Burakov, Anatoly 2019-06-25 11:15 ` Jerin Jacob Kollanukkaran 2019-06-25 11:30 ` Burakov, Anatoly 2019-06-25 13:38 ` Burakov, Anatoly 2019-06-27 9:34 ` Jerin Jacob Kollanukkaran 2019-07-01 13:51 ` Vamsi Krishna Attunuru 2019-07-04 6:42 ` Vamsi Krishna Attunuru 2019-07-04 9:48 ` Jerin Jacob Kollanukkaran 2019-07-11 16:21 ` Ferruh Yigit 2019-07-17 9:04 ` [dpdk-dev] [PATCH v7 0/4] kni: add IOVA=VA support vattunuru 2019-07-17 9:04 ` [dpdk-dev] [PATCH v7 1/4] mempool: modify mempool populate() to skip objects from page boundaries vattunuru 2019-07-17 13:36 ` Andrew Rybchenko 2019-07-17 13:47 ` Olivier Matz 2019-07-17 17:31 ` Vamsi Krishna Attunuru 2019-07-18 9:28 ` Andrew Rybchenko 2019-07-18 14:16 ` Vamsi Krishna Attunuru 2019-07-19 13:38 ` [dpdk-dev] [RFC 0/4] mempool: avoid objects allocations across pages Olivier Matz 2019-07-19 13:38 ` [dpdk-dev] [RFC 1/4] mempool: clarify default populate function Olivier Matz 2019-07-19 15:42 ` Andrew Rybchenko 2019-10-08 9:36 ` Olivier Matz 2019-07-19 13:38 ` [dpdk-dev] [RFC 2/4] mempool: unalign size when calculating required mem amount Olivier Matz 2019-08-07 15:21 ` [dpdk-dev] ***Spam*** " Andrew Rybchenko 2019-10-28 14:06 ` Olivier Matz 2019-07-19 13:38 ` [dpdk-dev] [RFC 3/4] mempool: introduce function to get mempool page size Olivier Matz 2019-08-07 15:21 ` Andrew Rybchenko 2019-10-28 14:06 ` Olivier Matz 2019-07-19 13:38 ` [dpdk-dev] [RFC 4/4] mempool: prevent objects from being across pages Olivier Matz 2019-07-19 14:03 ` Burakov, Anatoly 2019-10-28 14:07 ` Olivier Matz 2019-07-19 14:11 ` Burakov, Anatoly 2019-08-07 15:21 ` Andrew Rybchenko 2019-10-28 14:07 ` Olivier Matz 2019-10-29 11:03 ` Andrew Rybchenko 2019-07-23 5:37 ` [dpdk-dev] [RFC 0/4] mempool: avoid objects allocations " Vamsi Krishna Attunuru 2019-08-07 15:21 ` [dpdk-dev] ***Spam*** " Andrew Rybchenko 2019-10-28 14:06 ` Olivier Matz 2019-10-28 14:01 ` [dpdk-dev] [PATCH 0/5] " Olivier Matz 2019-10-28 14:01 ` [dpdk-dev] [PATCH 1/5] mempool: allow unaligned addr/len in populate virt Olivier Matz 2019-10-29 9:02 ` [dpdk-dev] [EXT] " Vamsi Krishna Attunuru 2019-10-29 9:13 ` Olivier Matz 2019-10-29 9:18 ` Vamsi Krishna Attunuru 2019-10-29 9:21 ` [dpdk-dev] " Andrew Rybchenko 2019-10-29 17:02 ` Olivier Matz 2019-10-28 14:01 ` [dpdk-dev] [PATCH 2/5] mempool: reduce wasted space on mempool populate Olivier Matz 2019-10-29 10:09 ` Andrew Rybchenko 2019-10-29 17:09 ` Olivier Matz 2019-10-28 14:01 ` [dpdk-dev] [PATCH 3/5] mempool: remove optimistic IOVA-contiguous allocation Olivier Matz 2019-10-29 10:25 ` Andrew Rybchenko 2019-10-29 17:20 ` Olivier Matz 2019-10-30 7:36 ` Andrew Rybchenko 2019-10-30 7:44 ` Andrew Rybchenko 2019-10-30 10:38 ` Olivier Matz 2019-10-28 14:01 ` [dpdk-dev] [PATCH 4/5] mempool: introduce function to get mempool page size Olivier Matz 2019-10-29 10:31 ` Andrew Rybchenko 2019-10-29 17:20 ` Olivier Matz 2019-10-30 8:32 ` Olivier Matz 2019-10-30 14:29 ` Olivier Matz 2019-10-28 14:01 ` [dpdk-dev] [PATCH 5/5] mempool: prevent objects from being across pages Olivier Matz 2019-10-29 10:59 ` [dpdk-dev] ***Spam*** " Andrew Rybchenko 2019-10-29 17:34 ` Olivier Matz 2019-10-30 7:56 ` [dpdk-dev] " Andrew Rybchenko 2019-10-29 17:25 ` [dpdk-dev] [EXT] " Vamsi Krishna Attunuru 2019-10-30 3:55 ` Vamsi Krishna Attunuru 2019-10-30 7:46 ` Andrew Rybchenko 2019-10-30 8:38 ` Jerin Jacob 2019-10-30 14:33 ` Olivier Matz 2019-10-30 14:54 ` Jerin Jacob 2019-10-30 8:42 ` Olivier Matz 2019-10-30 14:36 ` [dpdk-dev] [PATCH v2 0/6] mempool: avoid objects allocations " Olivier Matz 2019-10-30 14:36 ` [dpdk-dev] [PATCH v2 1/6] mempool: allow unaligned addr/len in populate virt Olivier Matz 2019-10-30 14:36 ` [dpdk-dev] [PATCH v2 2/6] mempool: reduce wasted space on mempool populate Olivier Matz 2019-10-30 14:36 ` [dpdk-dev] [PATCH v2 3/6] mempool: remove optimistic IOVA-contiguous allocation Olivier Matz 2019-10-30 14:36 ` [dpdk-dev] [PATCH v2 4/6] mempool: introduce function to get mempool page size Olivier Matz 2019-10-30 14:36 ` [dpdk-dev] [PATCH v2 5/6] mempool: prevent objects from being across pages Olivier Matz 2019-10-31 6:54 ` [dpdk-dev] [EXT] " Vamsi Krishna Attunuru 2019-10-31 8:19 ` Jerin Jacob 2019-10-31 8:29 ` Olivier Matz 2019-10-31 8:24 ` Olivier Matz 2019-10-31 8:33 ` Andrew Rybchenko 2019-10-31 8:45 ` Olivier Matz 2019-10-30 14:36 ` [dpdk-dev] [PATCH v2 6/6] mempool: use the specific macro for object alignment Olivier Matz 2019-10-30 14:55 ` Andrew Rybchenko 2019-11-01 3:56 ` [dpdk-dev] [PATCH v2 0/6] mempool: avoid objects allocations across pages Nipun Gupta 2019-11-04 15:12 ` [dpdk-dev] [PATCH v3 0/7] " Olivier Matz 2019-11-04 15:12 ` [dpdk-dev] [PATCH v3 1/7] mempool: allow unaligned addr/len in populate virt Olivier Matz 2019-11-04 15:12 ` [dpdk-dev] [PATCH v3 2/7] mempool: reduce wasted space on mempool populate Olivier Matz 2019-11-04 15:12 ` [dpdk-dev] [PATCH v3 3/7] mempool: remove optimistic IOVA-contiguous allocation Olivier Matz 2019-11-04 15:12 ` [dpdk-dev] [PATCH v3 4/7] mempool: introduce function to get mempool page size Olivier Matz 2019-11-04 15:12 ` [dpdk-dev] [PATCH v3 5/7] mempool: introduce helpers for populate and calc mem size Olivier Matz 2019-11-05 12:19 ` Andrew Rybchenko 2019-11-04 15:12 ` [dpdk-dev] [PATCH v3 6/7] mempool: prevent objects from being across pages Olivier Matz 2019-11-05 12:22 ` Andrew Rybchenko 2019-11-04 15:12 ` [dpdk-dev] [PATCH v3 7/7] mempool: use the specific macro for object alignment Olivier Matz 2019-11-05 12:15 ` Andrew Rybchenko 2019-11-05 12:48 ` Olivier Matz 2019-11-05 15:36 ` [dpdk-dev] [PATCH v4 0/7] mempool: avoid objects allocations across pages Olivier Matz 2019-11-05 15:37 ` [dpdk-dev] [PATCH v4 1/7] mempool: allow unaligned addr/len in populate virt Olivier Matz 2019-11-05 15:37 ` [dpdk-dev] [PATCH v4 2/7] mempool: reduce wasted space on mempool populate Olivier Matz 2019-11-05 15:37 ` [dpdk-dev] [PATCH v4 3/7] mempool: remove optimistic IOVA-contiguous allocation Olivier Matz 2019-11-05 15:37 ` [dpdk-dev] [PATCH v4 4/7] mempool: introduce function to get mempool page size Olivier Matz 2019-11-05 15:37 ` [dpdk-dev] [PATCH v4 5/7] mempool: introduce helpers for populate and calc mem size Olivier Matz 2019-11-05 15:37 ` [dpdk-dev] [PATCH v4 6/7] mempool: prevent objects from being across pages Olivier Matz 2019-11-05 15:37 ` [dpdk-dev] [PATCH v4 7/7] mempool: use the specific macro for object alignment Olivier Matz 2019-11-05 16:03 ` [dpdk-dev] [PATCH v4 0/7] mempool: avoid objects allocations across pages Olivier Matz 2019-11-06 10:39 ` Thomas Monjalon 2019-07-17 9:04 ` [dpdk-dev] [PATCH v7 2/4] kni: add IOVA = VA support in KNI lib vattunuru 2019-07-17 9:04 ` [dpdk-dev] [PATCH v7 3/4] kni: add IOVA=VA support in KNI module vattunuru 2019-07-17 9:04 ` [dpdk-dev] [PATCH v7 4/4] kni: modify IOVA mode checks to support VA vattunuru 2019-07-23 5:38 ` [dpdk-dev] [PATCH v8 0/5] kni: add IOVA=VA support vattunuru 2019-07-23 5:38 ` [dpdk-dev] [PATCH v8 1/5] mempool: populate mempool with page sized chunks of memory vattunuru 2019-07-23 11:08 ` Andrew Rybchenko 2019-07-23 12:28 ` Vamsi Krishna Attunuru 2019-07-23 19:33 ` Andrew Rybchenko 2019-07-24 7:09 ` Vamsi Krishna Attunuru 2019-07-24 7:27 ` Andrew Rybchenko 2019-07-29 6:25 ` Vamsi Krishna Attunuru 2019-07-23 5:38 ` [dpdk-dev] [PATCH v8 2/5] add IOVA -VA support in KNI lib vattunuru 2019-07-23 10:54 ` Andrew Rybchenko 2019-07-23 5:38 ` [dpdk-dev] [PATCH v8 3/5] kni: add app specific mempool create & free routine vattunuru 2019-07-23 10:50 ` Andrew Rybchenko 2019-07-23 11:01 ` Vamsi Krishna Attunuru 2019-07-23 5:38 ` [dpdk-dev] [PATCH v8 4/5] kni: add IOVA=VA support in KNI module vattunuru 2019-07-23 5:38 ` [dpdk-dev] [PATCH v8 5/5] kni: modify IOVA mode checks to support VA vattunuru 2019-07-24 7:14 ` [dpdk-dev] [PATCH v8 0/5] kni: add IOVA=VA support Vamsi Krishna Attunuru 2019-07-29 12:13 ` [dpdk-dev] [PATCH v9 " vattunuru 2019-07-29 12:13 ` [dpdk-dev] [PATCH v9 1/5] mempool: populate mempool with the page sized chunks of memory vattunuru 2019-07-29 12:41 ` Andrew Rybchenko 2019-07-29 13:33 ` [dpdk-dev] [EXT] " Vamsi Krishna Attunuru 2019-08-16 6:12 ` [dpdk-dev] [PATCH v10 0/5] kni: add IOVA=VA support vattunuru 2019-08-16 6:12 ` [dpdk-dev] [PATCH v10 1/5] mempool: populate mempool with the page sized chunks vattunuru 2019-10-08 9:26 ` Olivier Matz 2019-10-09 5:29 ` Vamsi Krishna Attunuru 2019-08-16 6:12 ` [dpdk-dev] [PATCH v10 2/5] kni: add IOVA=VA support in KNI lib vattunuru 2019-10-15 15:36 ` Yigit, Ferruh 2019-08-16 6:12 ` [dpdk-dev] [PATCH v10 3/5] kni: add app specific mempool create and free routines vattunuru 2019-10-15 15:40 ` Yigit, Ferruh 2019-08-16 6:12 ` [dpdk-dev] [PATCH v10 4/5] kni: add IOVA=VA support in KNI module vattunuru 2019-10-15 15:43 ` Yigit, Ferruh 2019-10-15 15:46 ` Stephen Hemminger 2019-10-16 11:26 ` [dpdk-dev] [EXT] " Vamsi Krishna Attunuru 2019-10-16 14:37 ` Vamsi Krishna Attunuru 2019-10-16 16:14 ` Ferruh Yigit 2019-10-18 17:15 ` Vamsi Krishna Attunuru 2019-10-21 11:45 ` Ferruh Yigit 2019-08-16 6:12 ` [dpdk-dev] [PATCH v10 5/5] kni: modify IOVA mode checks to support VA vattunuru 2019-09-25 4:00 ` [dpdk-dev] [PATCH v10 0/5] kni: add IOVA=VA support Vamsi Krishna Attunuru 2019-10-08 5:08 ` Vamsi Krishna Attunuru 2019-10-14 4:05 ` Vamsi Krishna Attunuru 2019-10-15 15:34 ` Yigit, Ferruh 2019-10-16 12:17 ` Vamsi Krishna Attunuru 2019-10-16 16:21 ` Ferruh Yigit 2019-10-18 16:42 ` [dpdk-dev] [EXT] " Vamsi Krishna Attunuru 2019-10-21 8:03 ` [dpdk-dev] [PATCH v11 0/4] kni: add IOVA=VA mode support vattunuru 2019-10-21 8:03 ` [dpdk-dev] [PATCH v11 1/4] mempool: populate mempool with the page sized chunks vattunuru 2019-10-21 8:03 ` [dpdk-dev] [PATCH v11 2/4] eal: add legacy kni option vattunuru 2019-10-21 11:55 ` Ferruh Yigit 2019-10-21 13:13 ` [dpdk-dev] [EXT] " Vamsi Krishna Attunuru 2019-10-21 13:32 ` Ferruh Yigit 2019-10-21 14:38 ` Vamsi Krishna Attunuru 2019-10-22 9:29 ` Vamsi Krishna Attunuru 2019-10-22 12:28 ` Andrew Rybchenko 2019-10-22 13:31 ` Vamsi Krishna Attunuru 2019-10-23 10:12 ` Jerin Jacob 2019-10-23 14:47 ` Olivier Matz 2019-10-23 15:02 ` Jerin Jacob 2019-10-24 17:35 ` Olivier Matz 2019-10-24 19:30 ` Jerin Jacob 2019-10-25 9:20 ` Vamsi Krishna Attunuru 2019-10-26 12:25 ` Olivier Matz 2019-10-26 14:09 ` Vamsi Krishna Attunuru 2019-10-28 14:05 ` Olivier Matz 2019-10-21 8:03 ` [dpdk-dev] [PATCH v11 3/4] kni: add IOVA=VA support vattunuru 2019-10-21 8:03 ` [dpdk-dev] [PATCH v11 4/4] kni: add IOVA=VA support in kernel module vattunuru 2019-10-21 12:02 ` Ferruh Yigit 2019-11-05 11:04 ` [dpdk-dev] [PATCH v12 0/2] add IOVA=VA mode support vattunuru 2019-11-05 11:04 ` [dpdk-dev] [PATCH v12 1/2] kni: " vattunuru 2019-11-14 10:57 ` David Marchand 2019-11-14 11:13 ` David Marchand 2019-11-14 12:10 ` [dpdk-dev] [EXT] " Vamsi Krishna Attunuru 2019-11-14 12:25 ` David Marchand 2019-11-14 17:48 ` [dpdk-dev] " David Marchand 2019-11-05 11:04 ` [dpdk-dev] [PATCH v12 2/2] kni: add IOVA=VA support in kernel module vattunuru 2019-11-06 10:49 ` [dpdk-dev] [PATCH v12 0/2] add IOVA=VA mode support Thomas Monjalon 2019-11-06 11:09 ` [dpdk-dev] [EXT] " Vamsi Krishna Attunuru 2019-11-06 11:53 ` Thomas Monjalon 2019-11-06 11:59 ` Vamsi Krishna Attunuru 2019-11-07 10:34 ` Vamsi Krishna Attunuru 2019-11-07 19:53 ` [dpdk-dev] " Ferruh Yigit 2019-11-08 4:16 ` [dpdk-dev] [EXT] " Vamsi Krishna Attunuru 2019-11-08 14:26 ` Ferruh Yigit 2019-11-08 14:54 ` Jerin Jacob [this message] 2019-11-13 6:33 ` Vamsi Krishna Attunuru 2019-11-13 12:32 ` Ferruh Yigit 2019-11-15 11:18 ` [dpdk-dev] [PATCH v13 0/2] kni: support IOVA mode vattunuru 2019-11-15 11:18 ` [dpdk-dev] [PATCH v13 1/2] kni: support IOVA mode in kernel module vattunuru 2019-11-15 11:18 ` [dpdk-dev] [PATCH v13 2/2] kni: support IOVA mode vattunuru 2019-11-15 12:11 ` Ferruh Yigit 2019-11-15 12:59 ` David Marchand 2019-11-15 13:35 ` [dpdk-dev] [EXT] " Vamsi Krishna Attunuru 2019-11-15 13:40 ` David Marchand 2019-11-15 13:40 ` [dpdk-dev] " Jerin Jacob 2019-11-15 14:56 ` David Marchand 2019-11-15 15:22 ` Jerin Jacob 2019-11-15 17:07 ` [dpdk-dev] [PATCH v14 0/2] " vattunuru 2019-11-15 17:07 ` [dpdk-dev] [PATCH v14 1/2] kni: support IOVA mode in kernel module vattunuru 2019-11-15 17:07 ` [dpdk-dev] [PATCH v14 2/2] kni: support IOVA mode vattunuru 2019-07-29 12:13 ` [dpdk-dev] [PATCH v9 2/5] kni: add IOVA=VA support in KNI lib vattunuru 2019-07-29 12:24 ` Igor Ryzhov 2019-07-29 13:22 ` [dpdk-dev] [EXT] " Vamsi Krishna Attunuru 2019-07-29 12:13 ` [dpdk-dev] [PATCH v9 3/5] kni: add app specific mempool create & free routine vattunuru 2019-07-29 12:13 ` [dpdk-dev] [PATCH v9 4/5] kni: add IOVA=VA support in KNI module vattunuru 2019-07-29 12:13 ` [dpdk-dev] [PATCH v9 5/5] kni: modify IOVA mode checks to support VA vattunuru 2019-04-23 8:56 ` [dpdk-dev] [PATCH v4] kni: add IOVA va support for kni Burakov, Anatoly
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