Re: [PATCH v2 3/6] mm/powerpc/8xx: constify ptep_get() argument

"Lorenzo Stoakes (ARM)" <[email protected]> Tue, 4 Aug 2026 12:13:13 +0100
Newsgroups gmane.linux.ports.ppc.embedded,gmane.linux.ports.arm.kernel,gmane.linux.kernel,gmane.linux.ports.parisc,gmane.linux.kernel.mm,gmane.linux.file-systems
Message-ID <anHI4B-lMu6AJJfA@lucifer>
On Mon, Aug 03, 2026 at 05:43:57PM +0100, Pedro Falcato wrote:
> There is no need for write access to the PTE.
>
> Signed-off-by: Pedro Falcato <[email protected]>

With below addressed LGTM so:

Reviewed-by: Lorenzo Stoakes (ARM) <[email protected]>

> ---
>  arch/powerpc/include/asm/nohash/32/pte-8xx.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/powerpc/include/asm/nohash/32/pte-8xx.h b/arch/powerpc/include/asm/nohash/32/pte-8xx.h
> index e2ea8ba9f8ca..f2bab31040c7 100644
> --- a/arch/powerpc/include/asm/nohash/32/pte-8xx.h
> +++ b/arch/powerpc/include/asm/nohash/32/pte-8xx.h
> @@ -226,7 +226,7 @@ static inline pte_basic_t pte_update(struct mm_struct *mm, unsigned long addr, p
>
>  #ifdef CONFIG_PPC_16K_PAGES
>  #define ptep_get ptep_get
> -static inline pte_t ptep_get(pte_t *ptep)
> +static inline pte_t ptep_get(const pte_t *ptep)
>  {
>  	pte_basic_t val = READ_ONCE(ptep->pte);
>  	pte_t pte = {val, val, val, val};

Worth making these const too (that {val, val, val, val} horrifies me btw :)?

> --
> 2.55.0
>

--
Cheers, Lorenzo