From 74637e6f08fceda988065f02c25d2cdb2ccd1762 Mon Sep 17 00:00:00 2001
From: Lidong Chen <jemmy858585@gmail.com>
Date: Mon, 6 Aug 2018 21:29:29 +0800
Subject: migration: implement bi-directional RDMA QIOChannel

This patch implements bi-directional RDMA QIOChannel. Because different
threads may access RDMAQIOChannel currently, this patch use RCU to protect it.

Signed-off-by: Lidong Chen <lidongchen@tencent.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
---
 migration/colo.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'migration/colo.c')

diff --git a/migration/colo.c b/migration/colo.c
index 4381067ed4..88936f5962 100644
--- a/migration/colo.c
+++ b/migration/colo.c
@@ -534,6 +534,7 @@ void *colo_process_incoming_thread(void *opaque)
     uint64_t value;
     Error *local_err = NULL;
 
+    rcu_register_thread();
     qemu_sem_init(&mis->colo_incoming_sem, 0);
 
     migrate_set_state(&mis->state, MIGRATION_STATUS_ACTIVE,
@@ -666,5 +667,6 @@ out:
     }
     migration_incoming_exit_colo();
 
+    rcu_unregister_thread();
     return NULL;
 }
-- 
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