From: David Gibson <david@gibson.dropbear.id.au>
To: Stefano Brivio <sbrivio@redhat.com>
Cc: passt-dev@passt.top
Subject: Re: [PATCH v4 6/8] flow, tcp: Basic pre-migration source handler to dump sequence numbers
Date: Tue, 4 Feb 2025 14:43:07 +1100 [thread overview]
Message-ID: <Z6GMy59bUQFRuEU0@zatzit> (raw)
In-Reply-To: <20250204004745.97854-7-sbrivio@redhat.com>
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On Tue, Feb 04, 2025 at 01:47:43AM +0100, Stefano Brivio wrote:
> Very much draft quality, but it works. Ask passt-repair to switch
> TCP sockets to repair mode and dump their current sequence numbers to
> the flow table, which will be transferred and used by the target in
> the next step.
[snip]
> @@ -268,6 +270,7 @@ void migrate_close(struct ctx *c)
> {
> if (c->device_state_fd != -1) {
> debug("Closing migration channel, fd: %d", c->device_state_fd);
> + epoll_del(c, c->device_state_fd);
You have a stray revert hunks here again which breaks things horribly.
And therefore makes me not confident that I'm actually testing the
same code you are.
> close(c->device_state_fd);
> c->device_state_fd = -1;
> c->device_state_result = -1;
> @@ -282,14 +285,12 @@ void migrate_close(struct ctx *c)
> */
> void migrate_request(struct ctx *c, int fd, bool target)
> {
> - debug("Migration requested, fd: %d (was %d)",
> - fd, c->device_state_fd);
> + debug("Migration requested, fd: %d", c->device_state_fd);
>
> if (c->device_state_fd != -1)
> migrate_close(c);
>
> c->device_state_fd = fd;
> - c->migrate_target = target;
And here.
--
David Gibson (he or they) | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you, not the other way
| around.
http://www.ozlabs.org/~dgibson
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next prev parent reply other threads:[~2025-02-04 3:43 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-02-04 0:47 [PATCH v4 0/8] Draft, incomplete series introducing state migration Stefano Brivio
2025-02-04 0:47 ` [PATCH v4 1/8] flow_table: Use size in extern declaration for flowtab, export hash table Stefano Brivio
2025-02-04 0:47 ` [PATCH v4 2/8] Introduce facilities for guest migration on top of vhost-user infrastructure Stefano Brivio
2025-02-04 0:47 ` [PATCH v4 3/8] migrate: Make more handling common rather than vhost-user specific Stefano Brivio
2025-02-04 0:47 ` [PATCH v4 4/8] migrate: Don't handle the migration channel through epoll Stefano Brivio
2025-02-04 0:47 ` [PATCH v4 5/8] Add interfaces and configuration bits for passt-repair Stefano Brivio
2025-02-04 0:47 ` [PATCH v4 6/8] flow, tcp: Basic pre-migration source handler to dump sequence numbers Stefano Brivio
2025-02-04 3:43 ` David Gibson [this message]
2025-02-04 6:44 ` Stefano Brivio
2025-02-05 0:58 ` David Gibson
2025-02-04 0:47 ` [PATCH v4 7/8] vhost_user: Make source quit after reporting migration state Stefano Brivio
2025-02-04 0:47 ` [PATCH v4 8/8] Implement target side of migration Stefano Brivio
2025-02-04 6:01 ` [PATCH v4 0/8] Draft, incomplete series introducing state migration David Gibson
2025-02-04 6:48 ` Stefano Brivio
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