On Tue, May 26, 2020 at 01:13:18AM +0300, Andra Paraschiv wrote: > +struct enclave_get_slot_req { > + /* Context ID (CID) for the enclave vsock device. */ > + u64 enclave_cid; > +} __attribute__ ((__packed__)); Can you really "pack" a single member structure? Anyway, we have better ways to specify this instead of the "raw" __attribute__ option. But first see if you really need any of these, at first glance, I do not think you do at all, and they can all be removed. thanks, greg k-h