From: "Michael S. Tsirkin" <mst@redhat.com>
To: Anton Kuchin <antonkuchin@yandex-team.ru>
Cc: "Stefan Hajnoczi" <stefanha@gmail.com>,
"Hanna Czenczek" <hreitz@redhat.com>,
"Stefan Hajnoczi" <stefanha@redhat.com>,
qemu-devel@nongnu.org, virtio-fs@redhat.com,
"German Maglione" <gmaglione@redhat.com>,
"Juan Quintela" <quintela@redhat.com>,
"Stefano Garzarella" <sgarzare@redhat.com>,
"Roman Kagan" <rvkagan@yandex-team.ru>,
"Maxime Coquelin" <maxime.coquelin@redhat.com>,
"Marc-André Lureau" <marcandre.lureau@redhat.com>
Subject: Re: [Virtio-fs] [PATCH 1/4] vhost: Re-enable vrings after setting features
Date: Thu, 13 Apr 2023 11:48:24 -0400 [thread overview]
Message-ID: <20230413105448-mutt-send-email-mst@kernel.org> (raw)
In-Reply-To: <da5c06fe-3422-709a-9782-66e338cc7c85@yandex-team.ru>
On Thu, Apr 13, 2023 at 05:24:36PM +0300, Anton Kuchin wrote:
> But is there a valid use-case for logging some dirty memory but not all?
> I can't understand if this is a feature or a just flaw in specification.
IRC the use-case originally conceived was for shadow VQs. If you use
shadow VQs the VQ access by backend does not change memory since shadow
VQ is not in memory. Not a practical concern right now but there you
have it.
--
MST
WARNING: multiple messages have this Message-ID (diff)
From: "Michael S. Tsirkin" <mst@redhat.com>
To: Anton Kuchin <antonkuchin@yandex-team.ru>
Cc: "Stefan Hajnoczi" <stefanha@gmail.com>,
"Hanna Czenczek" <hreitz@redhat.com>,
"Stefan Hajnoczi" <stefanha@redhat.com>,
qemu-devel@nongnu.org, virtio-fs@redhat.com,
"German Maglione" <gmaglione@redhat.com>,
"Juan Quintela" <quintela@redhat.com>,
"Stefano Garzarella" <sgarzare@redhat.com>,
"Roman Kagan" <rvkagan@yandex-team.ru>,
"Maxime Coquelin" <maxime.coquelin@redhat.com>,
"Marc-André Lureau" <marcandre.lureau@redhat.com>
Subject: Re: [PATCH 1/4] vhost: Re-enable vrings after setting features
Date: Thu, 13 Apr 2023 11:48:24 -0400 [thread overview]
Message-ID: <20230413105448-mutt-send-email-mst@kernel.org> (raw)
In-Reply-To: <da5c06fe-3422-709a-9782-66e338cc7c85@yandex-team.ru>
On Thu, Apr 13, 2023 at 05:24:36PM +0300, Anton Kuchin wrote:
> But is there a valid use-case for logging some dirty memory but not all?
> I can't understand if this is a feature or a just flaw in specification.
IRC the use-case originally conceived was for shadow VQs. If you use
shadow VQs the VQ access by backend does not change memory since shadow
VQ is not in memory. Not a practical concern right now but there you
have it.
--
MST
next prev parent reply other threads:[~2023-04-13 15:48 UTC|newest]
Thread overview: 181+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-11 15:05 [Virtio-fs] [PATCH 0/4] vhost-user-fs: Internal migration Hanna Czenczek
2023-04-11 15:05 ` Hanna Czenczek
2023-04-11 15:05 ` [Virtio-fs] [PATCH 1/4] vhost: Re-enable vrings after setting features Hanna Czenczek
2023-04-11 15:05 ` Hanna Czenczek
2023-04-12 10:55 ` [Virtio-fs] " German Maglione
2023-04-12 10:55 ` German Maglione
2023-04-12 12:18 ` [Virtio-fs] " Hanna Czenczek
2023-04-12 12:18 ` Hanna Czenczek
2023-04-12 20:51 ` [Virtio-fs] " Stefan Hajnoczi
2023-04-12 20:51 ` Stefan Hajnoczi
2023-04-13 7:17 ` [Virtio-fs] " Maxime Coquelin
2023-04-13 7:17 ` Maxime Coquelin
2023-04-13 8:19 ` [Virtio-fs] " Hanna Czenczek
2023-04-13 8:19 ` Hanna Czenczek
2023-04-13 11:03 ` [Virtio-fs] " Stefan Hajnoczi
2023-04-13 11:03 ` Stefan Hajnoczi
2023-04-13 14:24 ` [Virtio-fs] " Anton Kuchin
2023-04-13 14:24 ` Anton Kuchin
2023-04-13 15:48 ` Michael S. Tsirkin [this message]
2023-04-13 15:48 ` Michael S. Tsirkin
2023-04-13 11:03 ` [Virtio-fs] " Stefan Hajnoczi
2023-04-13 11:03 ` Stefan Hajnoczi
2023-04-13 17:32 ` [Virtio-fs] " Hanna Czenczek
2023-04-13 17:32 ` Hanna Czenczek
2023-04-13 13:19 ` [Virtio-fs] " Michael S. Tsirkin
2023-04-13 13:19 ` Michael S. Tsirkin
2023-04-11 15:05 ` [Virtio-fs] [PATCH 2/4] vhost-user: Interface for migration state transfer Hanna Czenczek
2023-04-11 15:05 ` Hanna Czenczek
2023-04-12 21:06 ` [Virtio-fs] " Stefan Hajnoczi
2023-04-12 21:06 ` Stefan Hajnoczi
2023-04-13 9:24 ` [Virtio-fs] " Hanna Czenczek
2023-04-13 9:24 ` Hanna Czenczek
2023-04-13 11:38 ` [Virtio-fs] " Stefan Hajnoczi
2023-04-13 11:38 ` Stefan Hajnoczi
2023-04-13 17:55 ` [Virtio-fs] " Hanna Czenczek
2023-04-13 17:55 ` Hanna Czenczek
2023-04-13 20:42 ` [Virtio-fs] " Stefan Hajnoczi
2023-04-13 20:42 ` Stefan Hajnoczi
2023-04-14 15:17 ` [Virtio-fs] " Eugenio Perez Martin
2023-04-14 15:17 ` Eugenio Perez Martin
2023-04-17 15:18 ` [Virtio-fs] " Stefan Hajnoczi
2023-04-17 15:18 ` Stefan Hajnoczi
2023-04-17 18:55 ` [Virtio-fs] " Eugenio Perez Martin
2023-04-17 18:55 ` Eugenio Perez Martin
2023-04-17 19:08 ` [Virtio-fs] " Stefan Hajnoczi
2023-04-17 19:08 ` Stefan Hajnoczi
2023-04-17 19:11 ` [Virtio-fs] " Eugenio Perez Martin
2023-04-17 19:11 ` Eugenio Perez Martin
2023-04-17 19:46 ` [Virtio-fs] " Stefan Hajnoczi
2023-04-17 19:46 ` Stefan Hajnoczi
2023-04-18 10:09 ` [Virtio-fs] " Eugenio Perez Martin
2023-04-18 10:09 ` Eugenio Perez Martin
2023-04-19 10:45 ` [Virtio-fs] " Hanna Czenczek
2023-04-19 10:45 ` Hanna Czenczek
2023-04-19 10:57 ` [Virtio-fs] " Stefan Hajnoczi
2023-04-19 10:57 ` Stefan Hajnoczi
2023-04-13 10:14 ` [Virtio-fs] " Eugenio Perez Martin
2023-04-13 10:14 ` Eugenio Perez Martin
2023-04-13 11:07 ` [Virtio-fs] " Stefan Hajnoczi
2023-04-13 11:07 ` Stefan Hajnoczi
2023-04-13 17:31 ` [Virtio-fs] " Hanna Czenczek
2023-04-13 17:31 ` Hanna Czenczek
2023-04-17 15:12 ` [Virtio-fs] " Stefan Hajnoczi
2023-04-17 15:12 ` Stefan Hajnoczi
2023-04-19 10:47 ` [Virtio-fs] " Hanna Czenczek
2023-04-19 10:47 ` Hanna Czenczek
2023-04-17 18:37 ` [Virtio-fs] " Eugenio Perez Martin
2023-04-17 18:37 ` Eugenio Perez Martin
2023-04-17 15:38 ` [Virtio-fs] " Stefan Hajnoczi
2023-04-17 15:38 ` Stefan Hajnoczi
2023-04-17 19:09 ` [Virtio-fs] " Eugenio Perez Martin
2023-04-17 19:09 ` Eugenio Perez Martin
2023-04-17 19:33 ` [Virtio-fs] " Stefan Hajnoczi
2023-04-17 19:33 ` Stefan Hajnoczi
2023-04-18 8:09 ` [Virtio-fs] " Eugenio Perez Martin
2023-04-18 8:09 ` Eugenio Perez Martin
2023-04-18 17:59 ` [Virtio-fs] " Stefan Hajnoczi
2023-04-18 17:59 ` Stefan Hajnoczi
2023-04-18 18:31 ` [Virtio-fs] " Eugenio Perez Martin
2023-04-18 18:31 ` Eugenio Perez Martin
2023-04-18 20:40 ` [Virtio-fs] " Stefan Hajnoczi
2023-04-18 20:40 ` Stefan Hajnoczi
2023-04-20 13:27 ` [Virtio-fs] " Eugenio Pérez
2023-04-20 13:27 ` Eugenio Pérez
2023-05-08 19:12 ` [Virtio-fs] " Stefan Hajnoczi
2023-05-08 19:12 ` Stefan Hajnoczi
2023-05-09 6:31 ` [Virtio-fs] " Eugenio Perez Martin
2023-05-09 6:31 ` Eugenio Perez Martin
2023-05-09 9:01 ` [Virtio-fs] " Hanna Czenczek
2023-05-09 9:01 ` Hanna Czenczek
2023-05-09 15:26 ` [Virtio-fs] " Eugenio Perez Martin
2023-05-09 15:26 ` Eugenio Perez Martin
2023-04-19 10:57 ` [Virtio-fs] " Hanna Czenczek
2023-04-19 11:10 ` Stefan Hajnoczi
2023-04-19 11:15 ` Hanna Czenczek
2023-04-19 11:24 ` Stefan Hajnoczi
2023-04-17 17:14 ` Stefan Hajnoczi
2023-04-17 17:14 ` Stefan Hajnoczi
2023-04-17 19:06 ` [Virtio-fs] " Eugenio Perez Martin
2023-04-17 19:06 ` Eugenio Perez Martin
2023-04-17 19:20 ` [Virtio-fs] " Stefan Hajnoczi
2023-04-17 19:20 ` Stefan Hajnoczi
2023-04-18 7:54 ` [Virtio-fs] " Eugenio Perez Martin
2023-04-18 7:54 ` Eugenio Perez Martin
2023-04-19 11:10 ` [Virtio-fs] " Hanna Czenczek
2023-04-19 11:10 ` Hanna Czenczek
2023-04-19 11:21 ` [Virtio-fs] " Stefan Hajnoczi
2023-04-19 11:21 ` Stefan Hajnoczi
2023-04-19 11:24 ` [Virtio-fs] " Hanna Czenczek
2023-04-19 11:24 ` Hanna Czenczek
2023-04-20 13:29 ` [Virtio-fs] " Eugenio Pérez
2023-04-20 13:29 ` Eugenio Pérez
2023-05-08 20:10 ` [Virtio-fs] " Stefan Hajnoczi
2023-05-08 20:10 ` Stefan Hajnoczi
2023-05-09 6:45 ` [Virtio-fs] " Eugenio Perez Martin
2023-05-09 6:45 ` Eugenio Perez Martin
2023-05-09 15:09 ` [Virtio-fs] " Stefan Hajnoczi
2023-05-09 15:09 ` Stefan Hajnoczi
2023-05-09 15:35 ` [Virtio-fs] " Eugenio Perez Martin
2023-05-09 15:35 ` Eugenio Perez Martin
2023-05-09 17:33 ` [Virtio-fs] " Stefan Hajnoczi
2023-05-09 17:33 ` Stefan Hajnoczi
2023-04-20 10:44 ` [Virtio-fs] " Eugenio Pérez
2023-04-20 10:44 ` Eugenio Pérez
2023-04-13 8:50 ` [Virtio-fs] " Eugenio Perez Martin
2023-04-13 8:50 ` Eugenio Perez Martin
2023-04-13 9:25 ` [Virtio-fs] " Hanna Czenczek
2023-04-13 9:25 ` Hanna Czenczek
2023-04-11 15:05 ` [Virtio-fs] [PATCH 3/4] vhost: Add high-level state save/load functions Hanna Czenczek
2023-04-11 15:05 ` Hanna Czenczek
2023-04-12 21:14 ` [Virtio-fs] " Stefan Hajnoczi
2023-04-12 21:14 ` Stefan Hajnoczi
2023-04-13 9:04 ` [Virtio-fs] " Hanna Czenczek
2023-04-13 9:04 ` Hanna Czenczek
2023-04-13 11:22 ` [Virtio-fs] " Stefan Hajnoczi
2023-04-13 11:22 ` Stefan Hajnoczi
2023-04-11 15:05 ` [Virtio-fs] [PATCH 4/4] vhost-user-fs: Implement internal migration Hanna Czenczek
2023-04-11 15:05 ` Hanna Czenczek
2023-04-12 21:00 ` [Virtio-fs] [PATCH 0/4] vhost-user-fs: Internal migration Stefan Hajnoczi
2023-04-12 21:00 ` Stefan Hajnoczi
2023-04-13 8:20 ` [Virtio-fs] " Hanna Czenczek
2023-04-13 8:20 ` Hanna Czenczek
2023-04-13 16:11 ` [Virtio-fs] " Michael S. Tsirkin
2023-04-13 16:11 ` Michael S. Tsirkin
2023-04-13 17:53 ` [Virtio-fs] " Hanna Czenczek
2023-05-04 16:05 ` Hanna Czenczek
2023-05-04 16:05 ` Hanna Czenczek
2023-05-04 21:14 ` [Virtio-fs] " Stefan Hajnoczi
2023-05-04 21:14 ` Stefan Hajnoczi
2023-05-05 9:03 ` [Virtio-fs] " Hanna Czenczek
2023-05-05 9:03 ` Hanna Czenczek
2023-05-05 9:51 ` [Virtio-fs] " Hanna Czenczek
2023-05-05 9:51 ` Hanna Czenczek
2023-05-05 14:26 ` [Virtio-fs] " Eugenio Perez Martin
2023-05-05 14:26 ` Eugenio Perez Martin
2023-05-05 14:37 ` [Virtio-fs] " Hanna Czenczek
2023-05-05 14:37 ` Hanna Czenczek
2023-05-08 17:00 ` [Virtio-fs] " Hanna Czenczek
2023-05-08 17:00 ` Hanna Czenczek
2023-05-08 17:51 ` [Virtio-fs] " Eugenio Perez Martin
2023-05-08 17:51 ` Eugenio Perez Martin
2023-05-08 19:31 ` [Virtio-fs] " Eugenio Perez Martin
2023-05-08 19:31 ` Eugenio Perez Martin
2023-05-09 8:59 ` [Virtio-fs] " Hanna Czenczek
2023-05-09 8:59 ` Hanna Czenczek
2023-05-09 15:30 ` [Virtio-fs] " Stefan Hajnoczi
2023-05-09 15:30 ` Stefan Hajnoczi
2023-05-09 15:43 ` [Virtio-fs] " Eugenio Perez Martin
2023-05-09 15:43 ` Eugenio Perez Martin
2023-05-05 9:53 ` [Virtio-fs] " Eugenio Perez Martin
2023-05-05 9:53 ` Eugenio Perez Martin
2023-05-05 12:51 ` [Virtio-fs] " Hanna Czenczek
2023-05-05 12:51 ` Hanna Czenczek
2023-05-08 21:10 ` [Virtio-fs] " Stefan Hajnoczi
2023-05-08 21:10 ` Stefan Hajnoczi
2023-05-09 8:53 ` [Virtio-fs] " Hanna Czenczek
2023-05-09 8:53 ` Hanna Czenczek
2023-05-09 14:53 ` [Virtio-fs] " Stefan Hajnoczi
2023-05-09 14:53 ` Stefan Hajnoczi
2023-05-09 15:41 ` [Virtio-fs] " Stefan Hajnoczi
2023-05-09 15:41 ` Stefan Hajnoczi
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