Merge commit '3ff0a5e55da0af3e120adbcc6ec3494d0905964e' * commit '3ff0a5e55da0af3e120adbcc6ec3494d0905964e': add an IPC for sync initialization
Merge commit '3ff0a5e55da0af3e120adbcc6ec3494d0905964e' * commit '3ff0a5e55da0af3e120adbcc6ec3494d0905964e': add an IPC for sync initialization