On Tue, 2017-03-21 at 06:29 -0700, Matthew Wilcox wrote:

Well, those are the generic versions in the first patch:

http://git.infradead.org/users/willy/linux-dax.git/commitdiff/538b977
6ac925199969bd5af4e994da776d461e7

so if those are good enough for you guys, there's no need for you to
do anything.

Thanks for your time!

I suspect on ppc64 we can do much better, if anything moving 64-bit at
a time. Matthew, what are the main use cases of these ?

Cheers,
Ben.