On Mon, Nov 18, 2024 at 05:45:02PM +0000, Pavel Begunkov wrote: > Exactly, _fast path_. PI-only handling is very simple, I don't buy > that "complicated". If we'd need to add more without an API expecting > that, that'll mean a yet another forest of never ending checks in the > fast path effecting all users. Well, that's a good argument for a separate opcode for PI, or at least for a 128-byte write, isn't it? I have real hard time trying to find a coherent line in your arguments.