On Tue, Apr 16, 2019 at 5:08 AM Martin Schwidefsky <schwidef...@de.ibm.com> wrote: > > This is not nice, would a patch like the following be acceptable?
Umm.
We actually already *have* this function.
It's called "gup_fast_permitted()" and it's used by x86-64 to verify
the proper address range. Exactly like s390 needs..
Could you please use that instead?
Linus
