On Fri, Nov 23, 2018 at 10:39 AM Andy Lutomirski <[email protected]> wrote:
>
> What is memcpy_to_io even supposed to do? I’m guessing it’s defined as
> something like “copy this data to IO space using at most long-sized writes,
> all aligned, and writing each byte exactly once, in order.” That sounds...
> dubiously useful.
We've got hundreds of users of it, so it's fairly common..
> I could see a function that writes to aligned memory in specified-sized
> chunks.
We have that. It's called "__iowrite{32,64}_copy()". It has very few users.
Linus
