On Mon, Jul 13, 2026, at 15:55, Yeoreum Yun wrote:
> From: "David Hildenbrand (Arm)" <[email protected]>
>
> We don't want pgd_t to be an array, as it prohibits returning it from a
> function, like pgdp_get().
What should pgdp_get() return on ARM 2-stage page tables then?
Does it return just the first entry or concatenate the two?
> +typedef u64 pgdval_t;
> +static inline pmdval_t pgd_val(pgd_t pgd)
> +{
> + return (*(pmdval_t (*)[2])&pgd)[0];
> +}
This could use a comment to explain what this actually
returns and why the second entry is discarded.
Arnd
