Merge remote-tracking branch 'bonzini/migr-coroutine' into staging Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> * bonzini/migr-coroutine: migration: move process_incoming_migration to a coroutine migration: handle EAGAIN while reading QEMUFile migration: move qemu_fclose to process_incoming_migration migration: close socket QEMUFile from socket_close migration: xxx_close will only be called once migration: use closesocket, not close migration: use migrate_fd_close in migrate_fd_cleanup migration: clean up server sockets and handlers before invoking process_incoming_migration migration: replace qemu_stdio_fd with qemu_get_fd migration: add qemu_get_fd migration: consolidate QEMUFile methods in a single QEMUFileOps struct migration: unify stdio-based QEMUFile operations