On Thu, Dec 28, 2017 at 02:48:10PM +0800, Liuyixian (Eason) wrote: > And I also find a discussion on the usage of union. It also mentions that > we can only get the "active" member from an union. > https://stackoverflow.com/questions/2310483/purpose-of-unions-in-c-and-c linux requires a compiler that supports the C99 model of allowing type punning with unions. Jason -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html