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migration: Make postcopy listen thread joinable

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This patch makes the listen thread joinable instead detached, and joins
it alongside other postcopy threads.

Signed-off-by: Juraj Marcin <jmarcin@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Link: https://lore.kernel.org/r/20251103183301.3840862-8-jmarcin@redhat.com
Signed-off-by: Peter Xu <peterx@redhat.com>
This commit is contained in:
Juraj Marcin 2025-11-03 19:32:56 +01:00 • committed by Peter Xu
parent b1a17a519b
commit 0680dd185b
1 changed files with 6 additions and 2 deletions
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8
migration/postcopy-ram.c
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@ -2181,7 +2181,6 @@ static void *postcopy_listen_thread(void *opaque)
out:
rcu_unregister_thread();
mis->have_listen_thread = false;
postcopy_state_set(POSTCOPY_INCOMING_END);
migration_bh_schedule(postcopy_listen_thread_bh, NULL);
@ -2215,7 +2214,7 @@ int postcopy_incoming_setup(MigrationIncomingState *mis, Error **errp)
mis->have_listen_thread = true;
postcopy_thread_create(mis, &mis->listen_thread,
MIGRATION_THREAD_DST_LISTEN,
postcopy_listen_thread, QEMU_THREAD_DETACHED);
postcopy_listen_thread, QEMU_THREAD_JOINABLE);
return 0;
}
@ -2224,6 +2223,11 @@ int postcopy_incoming_cleanup(MigrationIncomingState *mis)
{
int rc = 0;
if (mis->have_listen_thread) {
qemu_thread_join(&mis->listen_thread);
mis->have_listen_thread = false;
}
if (migrate_postcopy_ram()) {
rc = postcopy_ram_incoming_cleanup(mis);
}