Re: [RFC 1/3] lib: copy_{from,to}_user using gup & kmap_atomic()

[afzal mohammed]

Hi,

On Sat, Jun 13, 2020 at 01:56:15PM +0100, Al Viro wrote:

> Incidentally, what about get_user()/put_user()?  _That_ is where it's
> going to really hurt...

All other uaccess routines are also planned to be added, posting only
copy_{from,to}_user() was to get early feedback (mentioned in the
cover letter)

Regards
afzal