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| author | Lidong Chen <jemmy858585@gmail.com> | 2018-08-06 21:29:29 +0800 |
|---|---|---|
| committer | Juan Quintela <quintela@redhat.com> | 2018-08-22 12:12:26 +0200 |
| commit | 74637e6f08fceda988065f02c25d2cdb2ccd1762 (patch) | |
| tree | 20b64090c48e3c1c6a660f7d4aaae8ffbad84002 /migration/migration.c | |
| parent | 55cc1b5937a8e709e4c102e74b206281073aab82 (diff) | |
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>
Diffstat (limited to 'migration/migration.c')
| -rw-r--r-- | migration/migration.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/migration/migration.c b/migration/migration.c index 570da6c0e7..6f2b506335 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -2121,6 +2121,7 @@ static void *source_return_path_thread(void *opaque) int res; trace_source_return_path_thread_entry(); + rcu_register_thread(); retry: while (!ms->rp_state.error && !qemu_file_get_error(rp) && @@ -2260,6 +2261,7 @@ out: trace_source_return_path_thread_end(); ms->rp_state.from_dst_file = NULL; qemu_fclose(rp); + rcu_unregister_thread(); return NULL; } |