On Thu, Jan 31, 2019 at 10:51 AM Linus Torvalds
<torvalds@xxxxxxxxxxxxxxxxxxxx> wrote:
>
> In fact, we have another patch (that isn't applied) that makes even
> the memcpy_erms() just call the sw version of memcpy() for short
> copies (because "rep movsb" is slow for those cases). That would also
> have broken your driver.
I think what I should do is to just make "memcpy_*io()" do the "align
naturally" thing.
Let me cook up a patch for you to test.
Linus
