Well, no more harmful or inefficient than ELF itself. :-) I really wish we'd ended up with PE or something with a two-level namespace. And yeah, nothing wrong

Well, no more harmful or inefficient than ELF itself. :-) I really wish we'd ended up with PE or something with a two-level namespace. And yeah, nothing wrong with using ELF for the vDSO. People have strange intuitions about what's expensive and what's cheap.