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From: Peter Xu <peterx@redhat.com>
To: "Xie, Huawei" <huawei.xie@intel.com>
Cc: "Michael S. Tsirkin" <mst@redhat.com>,
	"dev@dpdk.org" <dev@dpdk.org>,
	Victor Kaplansky <vkaplans@redhat.com>
Subject: Re: [dpdk-dev] [PATCH v2 3/6] vhost: log used vring changes
Date: Tue, 22 Dec 2015 15:59:35 +0800	[thread overview]
Message-ID: <20151222075935.GD7532@pxdev.xzpeter.org> (raw)
In-Reply-To: <C37D651A908B024F974696C65296B57B4C551224@SHSMSX101.ccr.corp.intel.com>

On Tue, Dec 22, 2015 at 07:07:25AM +0000, Xie, Huawei wrote:
> On 12/22/2015 2:56 PM, Peter Xu wrote:
> > Got a question here:
> >
> > I see that we are logging down changes when we are marking
> > used_vring. Do we need to log down buffer copy in rte_memcpy() too?
> > I am not sure whether I understand it correctly, it seems that this
> > is part of DPDK API ops to deliver data to the guest (from, e.g.,
> > OVS?), when we do rte_memcpy(), we seems to be modifying guest
> > memory too. Am I wrong?
> >
> > Peter
> 
> desc buffer logging isn't included in v1, but in the patch 4 of this
> patch set, and actually it is the major work in vhost live migration.

Yes, it is. Thanks to point out.

Peter

>     --huawei
> 
> [...]
> 

  reply	other threads:[~2015-12-22  7:59 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
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 [this message]
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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