From: Fabiano Rosas <farosas@suse.de>
To: Steve Sistare <steven.sistare@oracle.com>, qemu-devel@nongnu.org
Cc: Peter Xu <peterx@redhat.com>,
David Hildenbrand <david@redhat.com>,
Marcel Apfelbaum <marcel.apfelbaum@gmail.com>,
Eduardo Habkost <eduardo@habkost.net>,
Philippe Mathieu-Daude <philmd@linaro.org>,
Paolo Bonzini <pbonzini@redhat.com>,
"Daniel P. Berrange" <berrange@redhat.com>,
Markus Armbruster <armbru@redhat.com>,
Steve Sistare <steven.sistare@oracle.com>
Subject: Re: [PATCH V2 02/11] migration: cpr-state
Date: Wed, 17 Jul 2024 15:39:23 -0300 [thread overview]
Message-ID: <87wmlj278k.fsf@suse.de> (raw)
In-Reply-To: <1719776434-435013-3-git-send-email-steven.sistare@oracle.com>
Steve Sistare <steven.sistare@oracle.com> writes:
> CPR must save state that is needed after QEMU is restarted, when devices
> are realized. Thus the extra state cannot be saved in the migration stream,
> as objects must already exist before that stream can be loaded. Instead,
> define auxilliary state structures and vmstate descriptions, not associated
> with any registered object, and serialize the aux state to a cpr-specific
> stream in cpr_state_save. Deserialize in cpr_state_load after QEMU
> restarts, before devices are realized.
>
> Provide accessors for clients to register file descriptors for saving.
> The mechanism for passing the fd's to the new process will be specific
> to each migration mode, and added in subsequent patches.
>
> Signed-off-by: Steve Sistare <steven.sistare@oracle.com>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
next prev parent reply other threads:[~2024-07-17 18:40 UTC|newest]
Thread overview: 77+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-06-30 19:40 [PATCH V2 00/11] Live update: cpr-exec Steve Sistare
2024-06-30 19:40 ` [PATCH V2 01/11] machine: alloc-anon option Steve Sistare
2024-07-15 17:52 ` Fabiano Rosas
2024-07-16 9:19 ` Igor Mammedov
2024-07-17 19:24 ` Peter Xu
2024-07-18 15:43 ` Steven Sistare
2024-07-18 16:22 ` Peter Xu
2024-07-20 20:35 ` Steven Sistare
2024-08-04 16:20 ` Peter Xu
2024-07-20 20:28 ` Steven Sistare
2024-07-22 9:10 ` David Hildenbrand
2024-07-29 12:29 ` Igor Mammedov
2024-08-08 18:32 ` Steven Sistare
2024-08-12 18:37 ` Steven Sistare
2024-08-13 15:35 ` Peter Xu
2024-08-13 17:00 ` Alex Williamson
2024-08-13 18:45 ` Peter Xu
2024-08-13 18:56 ` Steven Sistare
2024-08-13 18:46 ` Steven Sistare
2024-08-13 18:49 ` Steven Sistare
2024-08-13 17:34 ` Steven Sistare
2024-08-13 19:02 ` Peter Xu
2024-06-30 19:40 ` [PATCH V2 02/11] migration: cpr-state Steve Sistare
2024-07-17 18:39 ` Fabiano Rosas [this message]
2024-07-19 15:03 ` Peter Xu
2024-07-20 19:53 ` Steven Sistare
2024-06-30 19:40 ` [PATCH V2 03/11] migration: save cpr mode Steve Sistare
2024-07-17 18:39 ` Fabiano Rosas
2024-07-18 15:47 ` Steven Sistare
2024-06-30 19:40 ` [PATCH V2 04/11] migration: stop vm earlier for cpr Steve Sistare
2024-07-17 18:59 ` Fabiano Rosas
2024-07-20 20:00 ` Steven Sistare
2024-07-22 13:42 ` Fabiano Rosas
2024-08-06 20:52 ` Steven Sistare
2024-06-30 19:40 ` [PATCH V2 05/11] physmem: preserve ram blocks " Steve Sistare
2024-06-30 19:40 ` [PATCH V2 06/11] migration: fix mismatched GPAs during cpr Steve Sistare
2024-07-19 16:28 ` Peter Xu
2024-07-20 21:28 ` Steven Sistare
2024-08-07 21:04 ` Steven Sistare
2024-08-13 20:43 ` Peter Xu
2024-08-15 20:54 ` Steven Sistare
2024-08-16 14:43 ` Peter Xu
2024-08-16 17:10 ` Steven Sistare
2024-08-21 16:57 ` Peter Xu
2024-06-30 19:40 ` [PATCH V2 07/11] oslib: qemu_clear_cloexec Steve Sistare
2024-06-30 19:40 ` [PATCH V2 08/11] vl: helper to request exec Steve Sistare
2024-06-30 19:40 ` [PATCH V2 09/11] migration: cpr-exec-command parameter Steve Sistare
2024-06-30 19:40 ` [PATCH V2 10/11] migration: cpr-exec save and load Steve Sistare
2024-06-30 19:40 ` [PATCH V2 11/11] migration: cpr-exec mode Steve Sistare
2024-07-18 15:56 ` [PATCH V2 00/11] Live update: cpr-exec Peter Xu
2024-07-20 21:26 ` Steven Sistare
2024-08-04 16:10 ` Peter Xu
2024-08-07 19:47 ` Steven Sistare
2024-08-13 20:12 ` Peter Xu
2024-08-20 16:28 ` [PATCH V2 00/11] Live update: cpr-exec (reconnections) Steven Sistare
2024-07-22 8:59 ` [PATCH V2 00/11] Live update: cpr-exec David Hildenbrand
2024-08-04 15:43 ` Peter Xu
2024-08-05 9:52 ` David Hildenbrand
2024-08-05 10:06 ` David Hildenbrand
2024-08-05 10:01 ` Daniel P. Berrangé
2024-08-06 20:56 ` Steven Sistare
2024-08-13 19:46 ` Peter Xu
2024-08-15 20:55 ` Steven Sistare
2024-08-16 15:06 ` Peter Xu
2024-08-16 15:16 ` Daniel P. Berrangé
2024-08-16 15:19 ` Steven Sistare
2024-08-16 15:34 ` Peter Xu
2024-08-16 16:00 ` Daniel P. Berrangé
2024-08-16 16:17 ` Peter Xu
2024-08-16 16:28 ` Daniel P. Berrangé
2024-08-16 17:09 ` Steven Sistare
2024-08-21 18:34 ` Peter Xu
2024-09-04 20:58 ` Steven Sistare
2024-09-04 22:23 ` Peter Xu
2024-09-05 9:49 ` Daniel P. Berrangé
2024-09-05 9:43 ` Daniel P. Berrangé
2024-09-05 9:30 ` Daniel P. Berrangé
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