Hello I am studnet studying QEMU.
I have a question open in QEMU. In function handle_aiocb_rw_linear() in block/raw-posix.c, i tried to open my device driver(mydev). this driver was confirmed safe operation by test program. But in qemu, this driver was not opened returning -1. errno is 1. 1 means 'Operation not permitted' QEMU is not supporting open()???
