On 9/21/21 2:28 PM, Jarkko Sakkinen wrote: >> Since there are multiple uses of the "owner" field with different types >> change the sgx_epc_page structure to define an anonymous union with >> each of the uses explicitly called out. > But it's still always a pointer. > > And not only that, but two alternative fields in that union have *exactly* the > same type, so it's kind of artifically representing the problem more complex > than it really is. > > I'm not just getting, why all this complexity, and not a few casts instead? I suggested this. It makes the structure more self-describing because it explicitly lists the possibles uses of the space in the structure. Maybe I stare at 'struct page' and its 4 unions too much and I'm enamored by their shininess. But, in the end, I prefer unions to casting.
