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From: Thomas Monjalon <thomas.monjalon@6wind.com>
To: Yuanhan Liu <yuanhan.liu@linux.intel.com>
Cc: dev@dpdk.org, Victor Kaplansky <vkaplans@redhat.com>,
	"Michael S. Tsirkin" <mst@redhat.com>
Subject: Re: [dpdk-dev] [PATCH 1/4] vhost: handle VHOST_USER_SET_LOG_BASE request
Date: Mon, 07 Dec 2015 03:49:03 +0100	[thread overview]
Message-ID: <9938135.oiXrlPQS2m@xps13> (raw)
In-Reply-To: <20151207021843.GF29571@yliu-dev.sh.intel.com>

2015-12-07 10:18, Yuanhan Liu:
> On Mon, Dec 07, 2015 at 03:03:24AM +0100, Thomas Monjalon wrote:
> > 2015-12-07 10:00, Yuanhan Liu:
> > > On Mon, Dec 07, 2015 at 12:07:28AM +0100, Thomas Monjalon wrote:
> > > > 2015-12-02 15:53, Panu Matilainen:
> > > > > This (and other changes in patch 2 breaks the librte_vhost ABI again, so 
> > > > > you'd need to at least add a deprecation note to 2.2 to be able to do it 
> > > > > in 2.3 at all according to the ABI policy.
> > > > > 
> > > > > Perhaps a better option would be adding some padding to the structs now 
> > > > > for 2.2 since the vhost ABI is broken there anyway. That would at least 
> > > > > give a chance to keep it compatible from 2.2 to 2.3.
> > > > 
> > > > Please could you point where the vhost ABI is broken in 2.2?
> > > 
> > > Thomas, here are the changes to rte_virtio_net.h:
> > > 
> > > 
> > > $ git diff 381316f6a225139d22d39b5ab8d50c40607924ca..19d4d7ef2a216b5418d8edb5b004d1a58bba3cc1 \
> > >       -- lib/librte_vhost/rte_virtio_net.h >
> > [...]
> > 
> > The problem is that the changes are not noticed in the release notes
> > and the LIBABIVER is still 1.
> 
> Yeah, my bad. Firstly, I was not aware of it's an ABI change. Secondly,
> I was landed to this team in the middle of v2.2 release, so that I have
> limited experience of how those works in DPDK community.
> 
> Anyway, it's my fault. I should have realized that in the first time.

No it's not your fault, and it does not matter who is responsible.

> Should I send a patch to update LIBABIVER to 2 and update release note
> now?

Yes today or tomorrow please.

  reply	other threads:[~2015-12-07  2:50 UTC|newest]

Thread overview: 98+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-12-02  3:43 [dpdk-dev] [PATCH 0/4 for 2.3] vhost-user live migration support Yuanhan Liu
2015-12-02  3:43 ` [dpdk-dev] [PATCH 1/4] vhost: handle VHOST_USER_SET_LOG_BASE request Yuanhan Liu
2015-12-02 13:53   ` Panu Matilainen
2015-12-02 14:31     ` Yuanhan Liu
2015-12-02 14:48       ` Panu Matilainen
2015-12-02 15:09         ` Yuanhan Liu
2015-12-02 16:58           ` Panu Matilainen
2015-12-02 17:24             ` Michael S. Tsirkin
2015-12-02 16:38       ` Thomas Monjalon
2015-12-03  1:49         ` Yuanhan Liu
2015-12-06 23:07     ` Thomas Monjalon
2015-12-07  2:00       ` Yuanhan Liu
2015-12-07  2:03         ` Thomas Monjalon
2015-12-07  2:18           ` Yuanhan Liu
2015-12-07  2:49             ` Thomas Monjalon [this message]
2015-12-07  6:29       ` Panu Matilainen
2015-12-07 11:28         ` Thomas Monjalon
2015-12-07 11:41           ` Panu Matilainen
2015-12-07 13:55             ` Thomas Monjalon
2015-12-07 16:48               ` Panu Matilainen
2015-12-07 17:47                 ` Thomas Monjalon
2015-12-08  5:57   ` Xie, Huawei
2015-12-08  7:25     ` Yuanhan Liu
2015-12-02  3:43 ` [dpdk-dev] [PATCH 2/4] vhost: introduce vhost_log_write Yuanhan Liu
2015-12-02 13:53   ` Victor Kaplansky
2015-12-02 14:39     ` Yuanhan Liu
2015-12-09  3:33     ` Xie, Huawei
2015-12-09  3:42       ` Yuanhan Liu
2015-12-09  5:44         ` Xie, Huawei
2015-12-09  8:41           ` Yuanhan Liu
2015-12-02  3:43 ` [dpdk-dev] [PATCH 3/4] vhost: log vring changes Yuanhan Liu
2015-12-02 14:07   ` Victor Kaplansky
2015-12-02 14:38     ` Yuanhan Liu
2015-12-02 15:58       ` Victor Kaplansky
2015-12-02 16:26         ` Michael S. Tsirkin
2015-12-03  2:31           ` Yuanhan Liu
2015-12-09  2:45     ` Xie, Huawei
2015-12-02  3:43 ` [dpdk-dev] [PATCH 4/4] vhost: enable log_shmfd protocol feature Yuanhan Liu
2015-12-02 14:10 ` [dpdk-dev] [PATCH 0/4 for 2.3] vhost-user live migration support Victor Kaplansky
2015-12-02 14:33   ` Yuanhan Liu
2015-12-09  3:41 ` Xie, Huawei
2015-12-17  3:11 ` [dpdk-dev] [PATCH v2 0/6] " Yuanhan Liu
2015-12-17  3:11   ` [dpdk-dev] [PATCH v2 1/6] vhost: handle VHOST_USER_SET_LOG_BASE request Yuanhan Liu
2015-12-21 15:32     ` Xie, Huawei
2015-12-22  2:25       ` Yuanhan Liu
2015-12-22  2:41         ` Xie, Huawei
2015-12-22  2:55           ` Yuanhan Liu
2015-12-17  3:11   ` [dpdk-dev] [PATCH v2 2/6] vhost: introduce vhost_log_write Yuanhan Liu
2015-12-21 15:06     ` Xie, Huawei
2015-12-22  2:40       ` Yuanhan Liu
2015-12-22  2:45         ` Xie, Huawei
2015-12-22  3:04           ` Yuanhan Liu
2015-12-22  7:02             ` Xie, Huawei
2015-12-22  5:11     ` Peter Xu
2015-12-22  6:09       ` Yuanhan Liu
2015-12-17  3:11   ` [dpdk-dev] [PATCH v2 3/6] vhost: log used vring changes Yuanhan Liu
2015-12-22  6:55     ` Peter Xu
2015-12-22  7:07       ` Xie, Huawei
2015-12-22  7:59         ` Peter Xu
2015-12-22  7:13       ` Yuanhan Liu
2015-12-22  8:01         ` Peter Xu
2015-12-17  3:11   ` [dpdk-dev] [PATCH v2 4/6] vhost: log vring desc buffer changes Yuanhan Liu
2015-12-17  3:12   ` [dpdk-dev] [PATCH v2 5/6] vhost: claim that we support GUEST_ANNOUNCE feature Yuanhan Liu
2015-12-22  8:11     ` Peter Xu
2015-12-22  8:21       ` Yuanhan Liu
2015-12-22  8:24       ` Pavel Fedin
2015-12-17  3:12   ` [dpdk-dev] [PATCH v2 6/6] vhost: enable log_shmfd protocol feature Yuanhan Liu
2015-12-17 12:08   ` [dpdk-dev] [PATCH v2 0/6] vhost-user live migration support Iremonger, Bernard
2015-12-17 12:45     ` Yuanhan Liu
2015-12-21  8:17   ` Pavel Fedin
2016-01-29  4:57   ` [dpdk-dev] [PATCH v3 0/8] " Yuanhan Liu
2016-01-29  4:57     ` [dpdk-dev] [PATCH v3 1/8] vhost: handle VHOST_USER_SET_LOG_BASE request Yuanhan Liu
2016-01-29  4:57     ` [dpdk-dev] [PATCH v3 2/8] vhost: introduce vhost_log_write Yuanhan Liu
2016-02-19 14:26       ` Thomas Monjalon
2016-02-22  6:59         ` Yuanhan Liu
2016-01-29  4:57     ` [dpdk-dev] [PATCH v3 3/8] vhost: log used vring changes Yuanhan Liu
2016-01-29  4:57     ` [dpdk-dev] [PATCH v3 4/8] vhost: log vring desc buffer changes Yuanhan Liu
2016-01-29  4:58     ` [dpdk-dev] [PATCH v3 5/8] vhost: claim that we support GUEST_ANNOUNCE feature Yuanhan Liu
2016-03-11 12:39       ` Olivier MATZ
2016-03-11 13:16         ` Thomas Monjalon
2016-03-11 13:22           ` Olivier MATZ
2016-01-29  4:58     ` [dpdk-dev] [PATCH v3 6/8] vhost: handle VHOST_USER_SEND_RARP request Yuanhan Liu
2016-02-19  6:11       ` Tan, Jianfeng
2016-02-19  7:03         ` Yuanhan Liu
2016-02-19  8:55           ` Yuanhan Liu
2016-02-22 14:36           ` [dpdk-dev] [PATCH] vhost: broadcast RARP pkt by injecting it to receiving mbuf array Yuanhan Liu
2016-02-24  8:15             ` Qiu, Michael
2016-02-24  8:28               ` Yuanhan Liu
2016-02-25  7:55                 ` Qiu, Michael
2016-02-29 15:56             ` Thomas Monjalon
2016-01-29  4:58     ` [dpdk-dev] [PATCH v3 7/8] vhost: enable log_shmfd protocol feature Yuanhan Liu
2016-01-29  4:58     ` [dpdk-dev] [PATCH v3 8/8] vhost: remove duplicate header include Yuanhan Liu
2016-02-01 15:54     ` [dpdk-dev] [PATCH v3 0/8] vhost-user live migration support Iremonger, Bernard
2016-02-02  1:53       ` Yuanhan Liu
2016-02-19 15:01     ` Thomas Monjalon
2016-02-22  7:08       ` Yuanhan Liu
2016-02-22  9:56         ` Thomas Monjalon
2016-02-22 14:24           ` Yuanhan Liu

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