[PATCH] riscv: mm: implement pgprot_nx

[Samuel Holland]

On 2023-11-21 10:06 AM, Jisheng Zhang wrote:
> commit cca98e9f8b5e ("mm: enforce that vmap can't map pages
> executable") enforces the W^X protection by not allowing remapping
> existing pages as executable. Add riscv bits so that riscv can benefit
> the same protection.
> 
> Signed-off-by: Jisheng Zhang <jszhang at kernel.org>
> ---
>  arch/riscv/include/asm/pgtable.h | 6 ++++++
>  1 file changed, 6 insertions(+)

Reviewed-by: Samuel Holland <samuel.holland at sifive.com>
Tested-by: Samuel Holland <samuel.holland at sifive.com>