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migration/postcopy: Clear have_listen_thread 

Clear have_listen_thread when we exit the thread.
The fallout from this was that various things thought there was
an ongoing postcopy after the postcopy had finished.

The case that failed was postcopy->savevm->loadvm.

This corresponds to RH bug https://bugzilla.redhat.com/show_bug.cgi?id=1608765

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-Id: <20180914170430.54271-2-dgilbert@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
This commit is contained in:
Dr. David Alan Gilbert 2018-09-14 18:04:29 +01:00
parent e51e711b1b
commit 9cf4bb8730
1 changed files with 1 additions and 0 deletions
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migration/savevm.c
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@ -1679,6 +1679,7 @@ static void *postcopy_ram_listen_thread(void *opaque)
qemu_loadvm_state_cleanup();
rcu_unregister_thread();
mis->have_listen_thread = false;
return NULL;
}