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From: "Michael S. Tsirkin" <mst@redhat.com>
To: si-wei liu <si-wei.liu@oracle.com>
Cc: Roman Kagan <rkagan@virtuozzo.com>,
	Venu Busireddy <venu.busireddy@oracle.com>,
	Marcel Apfelbaum <marcel@redhat.com>,
	virtio-dev@lists.oasis-open.org, qemu-devel@nongnu.org,
	sridhar.samudrala@intel.com, alexander.h.duyck@intel.com,
	netdev@vger.kernel.org
Subject: Re: [Qemu-devel] [PATCH v3 0/3] Use of unique identifier for pairing virtio and passthrough devices...
Date: Tue, 10 Jul 2018 04:58:13 +0300	[thread overview]
Message-ID: <20180710045614-mutt-send-email-mst@kernel.org> (raw)
In-Reply-To: <9136094e-a510-4201-7c71-d1c49226fa5f@oracle.com>

On Mon, Jul 09, 2018 at 06:11:53PM -0700, si-wei liu wrote:
> What do we buy
> for using a random address during initial discovery and requiring VF to
> complete the handshake?

I don't see advantages to using a random address that is then
changed either: changing a MAC causes network downtime for most users.

> Less network downtime during datapath switching?
> Sorry but that's not a key factor at all for our main goal - live migration.

Isn't avoiding downtime what makes the migration "live"?
If you don't care about it at all just remove the device
and migrate without all these tricks.


-- 
MST

  parent reply	other threads:[~2018-07-10  1:58 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20180629221907.3662-1-venu.busireddy@oracle.com>
     [not found] ` <20180702161404.GA2339@rkaganb.sw.ru>
     [not found]   ` <449f1449-ddf6-cd95-976c-14d04d8d503a@oracle.com>
     [not found]     ` <20180703095825.GC30904@rkaganb.sw.ru>
     [not found]       ` <d5db37d0-5eaf-8942-8ab7-d73057a67e6f@oracle.com>
     [not found]         ` <20180709130035.GA6271@rkaganb.sw.ru>
2018-07-10  1:11           ` [Qemu-devel] [PATCH v3 0/3] Use of unique identifier for pairing virtio and passthrough devices si-wei liu
2018-07-10  1:54             ` Michael S. Tsirkin
2018-07-11  0:07               ` Siwei Liu
2018-07-11  9:53                 ` Cornelia Huck
2018-07-12  9:37                   ` Siwei Liu
2018-07-12 11:31                     ` Cornelia Huck
2018-07-12 20:52                       ` Siwei Liu
2018-07-12 21:00                         ` Michael S. Tsirkin
2018-07-12 22:19                           ` Siwei Liu
2018-07-13  1:20                             ` Samudrala, Sridhar
2018-07-13  3:28                               ` Michael S. Tsirkin
2018-07-13  9:15                               ` Cornelia Huck
2018-07-12 19:18                   ` Michael S. Tsirkin
2018-07-10  1:58             ` Michael S. Tsirkin [this message]
2018-07-10 18:56               ` Siwei Liu

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