From: "Michael S. Tsirkin" <mst@redhat.com>
To: Alexander Duyck <alexander.duyck@gmail.com>
Cc: "Duyck, Alexander H" <alexander.h.duyck@intel.com>,
virtio-dev@lists.oasis-open.org, Jiri Pirko <jiri@resnulli.us>,
Jakub Kicinski <kubakici@wp.pl>,
Sridhar Samudrala <sridhar.samudrala@intel.com>,
virtualization@lists.linux-foundation.org,
Siwei Liu <loseweigh@gmail.com>, Netdev <netdev@vger.kernel.org>,
David Miller <davem@davemloft.net>
Subject: Re: [RFC PATCH v3 0/3] Enable virtio_net to act as a backup for a passthru device
Date: Tue, 27 Feb 2018 23:23:35 +0200 [thread overview]
Message-ID: <20180227231731-mutt-send-email-mst@kernel.org> (raw)
In-Reply-To: <CAKgT0Ucp8WhkORpVVy2VWwuvxZHZjXKn6YfHfVaLAVVybf3t5w@mail.gmail.com>
On Tue, Feb 27, 2018 at 01:16:21PM -0800, Alexander Duyck wrote:
> The other thing I am looking at is trying to find a good way to do
> dirty page tracking in the hypervisor using something like a
> para-virtual IOMMU. However I don't have any ETA on that as I am just
> starting out and have limited development time. If we get that in
> place we can leave the VF in the guest until the very last moments
> instead of having to remove it before we start the live migration.
>
> - Alex
I actually think your old RFC would be a good starting point:
https://lkml.org/lkml/2016/1/5/104
What is missing is I think enabling/disabling dynamically.
Seems to be easier than tracking by the hypervisor.
--
MST
WARNING: multiple messages have this Message-ID (diff)
From: "Michael S. Tsirkin" <mst@redhat.com>
To: Alexander Duyck <alexander.duyck@gmail.com>
Cc: Jiri Pirko <jiri@resnulli.us>,
Sridhar Samudrala <sridhar.samudrala@intel.com>,
Stephen Hemminger <stephen@networkplumber.org>,
David Miller <davem@davemloft.net>,
Netdev <netdev@vger.kernel.org>,
virtualization@lists.linux-foundation.org,
virtio-dev@lists.oasis-open.org, "Brandeburg,
Jesse" <jesse.brandeburg@intel.com>,
"Duyck, Alexander H" <alexander.h.duyck@intel.com>,
Jakub Kicinski <kubakici@wp.pl>, Jason Wang <jasowang@redhat.com>,
Siwei Liu <loseweigh@gmail.com>
Subject: [virtio-dev] Re: [RFC PATCH v3 0/3] Enable virtio_net to act as a backup for a passthru device
Date: Tue, 27 Feb 2018 23:23:35 +0200 [thread overview]
Message-ID: <20180227231731-mutt-send-email-mst@kernel.org> (raw)
In-Reply-To: <CAKgT0Ucp8WhkORpVVy2VWwuvxZHZjXKn6YfHfVaLAVVybf3t5w@mail.gmail.com>
On Tue, Feb 27, 2018 at 01:16:21PM -0800, Alexander Duyck wrote:
> The other thing I am looking at is trying to find a good way to do
> dirty page tracking in the hypervisor using something like a
> para-virtual IOMMU. However I don't have any ETA on that as I am just
> starting out and have limited development time. If we get that in
> place we can leave the VF in the guest until the very last moments
> instead of having to remove it before we start the live migration.
>
> - Alex
I actually think your old RFC would be a good starting point:
https://lkml.org/lkml/2016/1/5/104
What is missing is I think enabling/disabling dynamically.
Seems to be easier than tracking by the hypervisor.
--
MST
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next prev parent reply other threads:[~2018-02-27 21:23 UTC|newest]
Thread overview: 121+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-16 18:11 [RFC PATCH v3 0/3] Enable virtio_net to act as a backup for a passthru device Sridhar Samudrala
2018-02-16 18:11 ` [virtio-dev] " Sridhar Samudrala
2018-02-16 18:11 ` [RFC PATCH v3 1/3] virtio_net: Introduce VIRTIO_NET_F_BACKUP feature bit Sridhar Samudrala
2018-02-16 18:11 ` Sridhar Samudrala
2018-02-16 18:11 ` [virtio-dev] " Sridhar Samudrala
2018-02-16 18:11 ` [RFC PATCH v3 2/3] virtio_net: Extend virtio to use VF datapath when available Sridhar Samudrala
2018-02-16 18:11 ` Sridhar Samudrala
2018-02-16 18:11 ` [virtio-dev] " Sridhar Samudrala
2018-02-17 3:04 ` Jakub Kicinski
2018-02-17 17:41 ` Alexander Duyck
2018-02-17 3:04 ` Jakub Kicinski
2018-02-16 18:11 ` [RFC PATCH v3 3/3] virtio_net: Enable alternate datapath without creating an additional netdev Sridhar Samudrala
2018-02-16 18:11 ` [virtio-dev] " Sridhar Samudrala
2018-02-16 18:11 ` Sridhar Samudrala
2018-02-17 2:38 ` [RFC PATCH v3 0/3] Enable virtio_net to act as a backup for a passthru device Jakub Kicinski
2018-02-17 2:38 ` Jakub Kicinski
2018-02-17 17:12 ` Alexander Duyck
2018-02-17 17:12 ` [virtio-dev] " Alexander Duyck
2018-02-19 6:11 ` Jakub Kicinski
2018-02-20 16:26 ` Samudrala, Sridhar
2018-02-20 16:26 ` [virtio-dev] " Samudrala, Sridhar
2018-02-20 16:26 ` Samudrala, Sridhar
2018-02-21 23:50 ` Siwei Liu
2018-02-21 23:50 ` [virtio-dev] " Siwei Liu
2018-02-22 0:17 ` Alexander Duyck
2018-02-22 0:17 ` Alexander Duyck
2018-02-22 0:17 ` [virtio-dev] " Alexander Duyck
2018-02-22 1:59 ` Siwei Liu
2018-02-22 1:59 ` Siwei Liu
2018-02-22 1:59 ` [virtio-dev] " Siwei Liu
2018-02-22 2:35 ` Samudrala, Sridhar
2018-02-22 2:35 ` Samudrala, Sridhar
2018-02-22 2:35 ` [virtio-dev] " Samudrala, Sridhar
2018-02-22 3:28 ` Samudrala, Sridhar
2018-02-22 3:28 ` [virtio-dev] " Samudrala, Sridhar
2018-02-23 22:22 ` Siwei Liu
2018-02-23 22:22 ` [virtio-dev] " Siwei Liu
2018-02-23 22:38 ` Jiri Pirko
2018-02-24 0:17 ` Siwei Liu
2018-02-24 0:17 ` [virtio-dev] " Siwei Liu
2018-02-24 0:03 ` Stephen Hemminger
2018-02-25 22:17 ` Alexander Duyck
2018-02-25 22:17 ` [virtio-dev] " Alexander Duyck
2018-02-25 22:17 ` Alexander Duyck
2018-02-21 23:50 ` Siwei Liu
2018-02-17 17:12 ` Alexander Duyck
2018-02-20 10:42 ` Jiri Pirko
2018-02-20 16:04 ` Alexander Duyck
2018-02-20 16:04 ` [virtio-dev] " Alexander Duyck
2018-02-20 16:29 ` Jiri Pirko
2018-02-20 17:14 ` Samudrala, Sridhar
2018-02-20 17:14 ` [virtio-dev] " Samudrala, Sridhar
2018-02-20 20:14 ` Jiri Pirko
2018-02-20 21:02 ` Alexander Duyck
2018-02-20 21:02 ` [virtio-dev] " Alexander Duyck
2018-02-20 21:02 ` Alexander Duyck
2018-02-20 22:33 ` Jakub Kicinski
2018-02-21 9:51 ` Jiri Pirko
2018-02-21 15:56 ` Alexander Duyck
2018-02-21 15:56 ` [virtio-dev] " Alexander Duyck
2018-02-21 16:11 ` Jiri Pirko
2018-02-21 16:49 ` Alexander Duyck
2018-02-21 16:49 ` [virtio-dev] " Alexander Duyck
2018-02-21 16:58 ` Jiri Pirko
2018-02-21 17:56 ` Alexander Duyck
2018-02-21 17:56 ` Alexander Duyck
2018-02-21 17:56 ` [virtio-dev] " Alexander Duyck
2018-02-21 19:38 ` Jiri Pirko
2018-02-21 20:57 ` Alexander Duyck
2018-02-21 20:57 ` [virtio-dev] " Alexander Duyck
2018-02-22 2:02 ` Jakub Kicinski
2018-02-22 2:15 ` Samudrala, Sridhar
2018-02-22 2:15 ` [virtio-dev] " Samudrala, Sridhar
2018-02-22 2:15 ` Samudrala, Sridhar
2018-02-22 8:11 ` Jiri Pirko
2018-02-22 11:54 ` Or Gerlitz
2018-02-22 13:07 ` Jiri Pirko
2018-02-22 15:30 ` Alexander Duyck
2018-02-22 15:30 ` [virtio-dev] " Alexander Duyck
2018-02-22 21:30 ` Alexander Duyck
2018-02-22 21:30 ` [virtio-dev] " Alexander Duyck
2018-02-23 23:59 ` Stephen Hemminger
2018-02-25 22:21 ` Alexander Duyck
2018-02-25 22:21 ` Alexander Duyck
2018-02-25 22:21 ` [virtio-dev] " Alexander Duyck
2018-02-26 7:19 ` Jiri Pirko
2018-02-27 1:02 ` Stephen Hemminger
2018-02-27 1:18 ` Michael S. Tsirkin
2018-02-27 1:18 ` [virtio-dev] " Michael S. Tsirkin
2018-02-27 8:27 ` Jiri Pirko
2018-02-22 21:30 ` Alexander Duyck
2018-02-21 20:57 ` Alexander Duyck
2018-02-21 16:49 ` Alexander Duyck
2018-02-21 15:56 ` Alexander Duyck
2018-02-20 17:14 ` Samudrala, Sridhar
2018-02-20 17:23 ` Alexander Duyck
2018-02-20 17:23 ` [virtio-dev] " Alexander Duyck
2018-02-20 19:53 ` Jiri Pirko
2018-02-27 8:49 ` Jiri Pirko
2018-02-27 21:16 ` Alexander Duyck
2018-02-27 21:16 ` Alexander Duyck
2018-02-27 21:16 ` [virtio-dev] " Alexander Duyck
2018-02-27 21:23 ` Michael S. Tsirkin [this message]
2018-02-27 21:23 ` Michael S. Tsirkin
2018-02-27 21:41 ` Jakub Kicinski
2018-02-28 7:08 ` Jiri Pirko
2018-02-28 14:32 ` Michael S. Tsirkin
2018-02-28 14:32 ` [virtio-dev] " Michael S. Tsirkin
2018-02-28 15:11 ` Jiri Pirko
2018-02-28 15:45 ` Michael S. Tsirkin
2018-02-28 15:45 ` Michael S. Tsirkin
2018-02-28 15:45 ` [virtio-dev] " Michael S. Tsirkin
2018-02-28 19:25 ` Jiri Pirko
2018-02-28 20:48 ` Michael S. Tsirkin
2018-02-28 20:48 ` Michael S. Tsirkin
2018-02-28 20:48 ` [virtio-dev] " Michael S. Tsirkin
2018-02-27 21:30 ` Michael S. Tsirkin
2018-02-27 21:30 ` [virtio-dev] " Michael S. Tsirkin
2018-02-27 21:30 ` Michael S. Tsirkin
2018-02-20 16:04 ` Alexander Duyck
2018-02-16 18:11 Sridhar Samudrala
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