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From: Roman Kagan <rkagan@virtuozzo.com>
To: Cornelia Huck <cohuck@redhat.com>
Cc: Siwei Liu <loseweigh@gmail.com>,
	Venu Busireddy <venu.busireddy@oracle.com>,
	si-wei liu <si-wei.liu@oracle.com>,
	"Michael S . Tsirkin" <mst@redhat.com>,
	Marcel Apfelbaum <marcel@redhat.com>,
	virtio-dev@lists.oasis-open.org, qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [virtio-dev] Re: [PATCH v3 0/3] Use of unique identifier for pairing virtio and passthrough devices...
Date: Mon, 9 Jul 2018 16:14:19 +0300	[thread overview]
Message-ID: <20180709131419.GB6271@rkaganb.sw.ru> (raw)
In-Reply-To: <20180706155406.0587733c.cohuck@redhat.com>

On Fri, Jul 06, 2018 at 03:54:06PM +0200, Cornelia Huck wrote:
> If we want to extend that to other device types, we can add the field
> in their config space; but I'd rather prefer a more generic "host
> relays config metainformation" approach.

The problem with this approach is that it's too generic and poorly
scoped.  As a result I guess it's likely to take ages to converge.

See for instance the discussion on including vm config metadata in qcow2
images: I think it's similar in scope (or the absense thereof).

Roman.

WARNING: multiple messages have this Message-ID (diff)
From: Roman Kagan <rkagan@virtuozzo.com>
To: Cornelia Huck <cohuck@redhat.com>
Cc: Siwei Liu <loseweigh@gmail.com>,
	Venu Busireddy <venu.busireddy@oracle.com>,
	si-wei liu <si-wei.liu@oracle.com>,
	"Michael S . Tsirkin" <mst@redhat.com>,
	Marcel Apfelbaum <marcel@redhat.com>,
	virtio-dev@lists.oasis-open.org, qemu-devel@nongnu.org
Subject: Re: [virtio-dev] Re: [Qemu-devel] [PATCH v3 0/3] Use of unique identifier for pairing virtio and passthrough devices...
Date: Mon, 09 Jul 2018 06:14:19 -0700	[thread overview]
Message-ID: <20180709131419.GB6271@rkaganb.sw.ru> (raw)
In-Reply-To: <20180706155406.0587733c.cohuck@redhat.com>

On Fri, Jul 06, 2018 at 03:54:06PM +0200, Cornelia Huck wrote:
> If we want to extend that to other device types, we can add the field
> in their config space; but I'd rather prefer a more generic "host
> relays config metainformation" approach.

The problem with this approach is that it's too generic and poorly
scoped.  As a result I guess it's likely to take ages to converge.

See for instance the discussion on including vm config metadata in qcow2
images: I think it's similar in scope (or the absense thereof).

Roman.

  parent reply	other threads:[~2018-07-09 13:14 UTC|newest]

Thread overview: 106+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-06-29 22:19 [Qemu-devel] [PATCH v3 0/3] Use of unique identifier for pairing virtio and passthrough devices Venu Busireddy
2018-06-29 22:19 ` [virtio-dev] " Venu Busireddy
2018-06-29 22:19 ` [Qemu-devel] [PATCH v3 1/3] Add "Group Identifier" support to virtio devices Venu Busireddy
2018-06-29 22:19   ` [virtio-dev] " Venu Busireddy
2018-06-29 22:19 ` [Qemu-devel] [PATCH v3 2/3] Add "Group Identifier" support to Red Hat PCI bridge Venu Busireddy
2018-06-29 22:19   ` [virtio-dev] " Venu Busireddy
2018-07-03  3:13   ` [Qemu-devel] " Siwei Liu
2018-07-03  3:13     ` Siwei Liu
2018-06-29 22:19 ` [Qemu-devel] [PATCH v3 3/3] Add "Group Identifier" support to Red Hat PCI Express bridge Venu Busireddy
2018-06-29 22:19   ` [virtio-dev] " Venu Busireddy
2018-07-07 12:14   ` [Qemu-devel] " Marcel Apfelbaum
2018-07-07 12:14     ` Marcel Apfelbaum
2018-07-31 15:58     ` [Qemu-devel] " Venu Busireddy
2018-07-31 15:58       ` Venu Busireddy
2018-07-31 16:03       ` [Qemu-devel] " Michael S. Tsirkin
2018-07-31 16:03         ` Michael S. Tsirkin
2018-07-31 19:11         ` [Qemu-devel] " Marcel Apfelbaum
2018-07-31 19:11           ` Marcel Apfelbaum
2018-06-29 22:19 ` [Qemu-devel] [PATCH v3 virtio 1/1] Add "Group Identifier" to virtio PCI capabilities Venu Busireddy
2018-06-29 22:19   ` [virtio-dev] " Venu Busireddy
2018-07-02 16:14 ` [Qemu-devel] [PATCH v3 0/3] Use of unique identifier for pairing virtio and passthrough devices Roman Kagan
2018-07-02 21:14   ` si-wei liu
2018-07-02 21:14     ` [virtio-dev] " si-wei liu
2018-07-03  9:58     ` Roman Kagan
2018-07-03 14:28       ` Venu Busireddy
2018-07-03 14:28         ` [virtio-dev] " Venu Busireddy
2018-07-03 14:52         ` [Qemu-devel] [virtio-dev] " Cornelia Huck
2018-07-03 14:52           ` [virtio-dev] Re: [Qemu-devel] " Cornelia Huck
2018-07-03 23:31           ` [Qemu-devel] [virtio-dev] " Siwei Liu
2018-07-03 23:31             ` [virtio-dev] Re: [Qemu-devel] " Siwei Liu
2018-07-04 12:15             ` [Qemu-devel] [virtio-dev] " Cornelia Huck
2018-07-04 12:15               ` [virtio-dev] Re: [Qemu-devel] " Cornelia Huck
2018-07-06  0:49               ` [Qemu-devel] [virtio-dev] " Siwei Liu
2018-07-06  0:49                 ` [virtio-dev] Re: [Qemu-devel] " Siwei Liu
2018-07-06 13:54                 ` [Qemu-devel] [virtio-dev] " Cornelia Huck
2018-07-06 13:54                   ` [virtio-dev] Re: [Qemu-devel] " Cornelia Huck
2018-07-06 15:07                   ` [Qemu-devel] [virtio-dev] " Michael S. Tsirkin
2018-07-06 15:07                     ` [virtio-dev] Re: [Qemu-devel] " Michael S. Tsirkin
2018-07-09 16:20                     ` [Qemu-devel] [virtio-dev] " Cornelia Huck
2018-07-09 16:20                       ` [virtio-dev] Re: [Qemu-devel] " Cornelia Huck
2018-07-06 23:37                   ` [Qemu-devel] [virtio-dev] " Siwei Liu
2018-07-06 23:37                     ` [virtio-dev] Re: [Qemu-devel] " Siwei Liu
2018-07-09 16:27                     ` [Qemu-devel] [virtio-dev] " Cornelia Huck
2018-07-09 16:27                       ` [virtio-dev] Re: [Qemu-devel] " Cornelia Huck
2018-07-09 13:14                   ` Roman Kagan [this message]
2018-07-09 13:14                     ` Roman Kagan
2018-07-09 16:10                     ` [Qemu-devel] [virtio-dev] " Cornelia Huck
2018-07-09 16:10                       ` [virtio-dev] Re: [Qemu-devel] " Cornelia Huck
2018-07-03 15:34         ` Roman Kagan
2018-07-03 22:27       ` si-wei liu
2018-07-03 22:27         ` [virtio-dev] " si-wei liu
2018-07-09 13:00         ` Roman Kagan
2018-07-09 18:35           ` Michael S. Tsirkin
2018-07-09 18:35             ` [virtio-dev] " Michael S. Tsirkin
2018-07-10  1:11           ` si-wei liu
2018-07-10  1:11             ` [virtio-dev] " si-wei liu
2018-07-10  1:54             ` Michael S. Tsirkin
2018-07-10  1:54               ` [virtio-dev] " Michael S. Tsirkin
2018-07-11  0:07               ` Siwei Liu
2018-07-11  0:07                 ` [virtio-dev] " Siwei Liu
2018-07-11  0:07                 ` [Qemu-devel] [virtio-dev] " Siwei Liu
2018-07-11  9:53                 ` Re: [Qemu-devel] " Cornelia Huck
2018-07-11  9:53                   ` [virtio-dev] " Cornelia Huck
2018-07-11  9:53                   ` [Qemu-devel] [virtio-dev] " Cornelia Huck
2018-07-12  9:37                   ` Re: [Qemu-devel] " Siwei Liu
2018-07-12  9:37                     ` [virtio-dev] " Siwei Liu
2018-07-12  9:37                     ` [Qemu-devel] [virtio-dev] " Siwei Liu
2018-07-12 11:31                     ` Re: [Qemu-devel] " Cornelia Huck
2018-07-12 11:31                       ` [virtio-dev] " Cornelia Huck
2018-07-12 11:31                       ` [Qemu-devel] [virtio-dev] " Cornelia Huck
2018-07-12 20:52                       ` Re: [Qemu-devel] " Siwei Liu
2018-07-12 20:52                         ` [virtio-dev] " Siwei Liu
2018-07-12 20:52                         ` [Qemu-devel] [virtio-dev] " Siwei Liu
2018-07-12 21:00                         ` Re: [Qemu-devel] " Michael S. Tsirkin
2018-07-12 21:00                           ` [virtio-dev] " Michael S. Tsirkin
2018-07-12 21:00                           ` [Qemu-devel] [virtio-dev] " Michael S. Tsirkin
2018-07-12 22:19                           ` Re: [Qemu-devel] " Siwei Liu
2018-07-12 22:19                             ` [virtio-dev] " Siwei Liu
2018-07-12 22:19                             ` [Qemu-devel] [virtio-dev] " Siwei Liu
2018-07-13  1:20                             ` Re: [Qemu-devel] " Samudrala, Sridhar
2018-07-13  1:20                               ` [virtio-dev] " Samudrala, Sridhar
2018-07-13  1:20                               ` [Qemu-devel] [virtio-dev] " Samudrala, Sridhar
2018-07-13  3:28                               ` Re: [Qemu-devel] " Michael S. Tsirkin
2018-07-13  3:28                                 ` [virtio-dev] " Michael S. Tsirkin
2018-07-13  3:28                                 ` [Qemu-devel] [virtio-dev] " Michael S. Tsirkin
2018-07-13  9:15                               ` Re: [Qemu-devel] " Cornelia Huck
2018-07-13  9:15                                 ` [virtio-dev] " Cornelia Huck
2018-07-13  9:15                                 ` [Qemu-devel] [virtio-dev] " Cornelia Huck
2018-07-12 19:18                   ` Re: [Qemu-devel] " Michael S. Tsirkin
2018-07-12 19:18                     ` [virtio-dev] " Michael S. Tsirkin
2018-07-12 19:18                     ` [Qemu-devel] [virtio-dev] " Michael S. Tsirkin
2018-07-10  1:58             ` [Qemu-devel] " Michael S. Tsirkin
2018-07-10  1:58               ` [virtio-dev] " Michael S. Tsirkin
2018-07-10 18:56               ` Siwei Liu
2018-07-10 18:56                 ` [virtio-dev] " Siwei Liu
2018-07-10 18:56                 ` [Qemu-devel] [virtio-dev] " Siwei Liu
2018-07-10  2:05           ` [Qemu-devel] " Michael S. Tsirkin
2018-07-10  2:05             ` [virtio-dev] " Michael S. Tsirkin
2018-07-04  5:43       ` Michael S. Tsirkin
2018-07-04  5:43         ` [virtio-dev] " Michael S. Tsirkin
2018-07-10  2:11 ` Michael S. Tsirkin
2018-07-10  2:11   ` [virtio-dev] " Michael S. Tsirkin
2018-07-10 14:28   ` [Qemu-devel] " Venu Busireddy
2018-07-10 14:28     ` [virtio-dev] " Venu Busireddy
2018-07-12 21:01     ` [Qemu-devel] " Michael S. Tsirkin
2018-07-12 21:01       ` [virtio-dev] " Michael S. Tsirkin

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