On 27.09.2018 12:40, Hideyuki Yamashita wrote: [...] >>> Is it correct understanding that race condition >>> includes >>> - read information before port is available >>> - other device may be plugged (or unplugged) >>> and so using "eth_dev_last_created_port" is >>> NOT reliable? >> >> I am thinking about the second one only. > > If we assume there is only one DPDK application > inside the host and within the application, only one thread > handles attach/detach of devices, then is it ok to use
This depends also a bit on the PMD you intend to use. Some PMDs can create more than 1 port (e.g. for internal purposes) in which case eth_dev_last_created_port is not reliable. Best regards Andrzej
