On Thu, 2020-02-06 at 00:08 -0300, Leonardo Bras wrote:
>                 gup_pgd_range(addr, end, gup_flags, pages, &nr);
> -               local_irq_enable();
> +               end_lockless_pgtbl_walk(IRQS_ENABLED);
>                 ret = nr;
>         }
>  

Just noticed IRQS_ENABLED is not available on other archs than ppc64.
I will fix this for v7.