Re: Linux 5.1-rc5

From: Linus Torvalds
Date: Tue Apr 16 2019 - 12:17:19 EST


On Tue, Apr 16, 2019 at 5:08 AM Martin Schwidefsky
<schwidefsky@xxxxxxxxxx> 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