# Re: \[PATCH v19 2/8\] riscv/Kconfig: make direct map manipulation options depend on MMU

- From: David Hildenbrand \<hidden\>
- Date: 2021-05-14 08:28:28 
- List: linux-arm-kernel
- Page: https://ratatoskr.run/linux-arm-kernel/2021/05/205990
- Thread: https://ratatoskr.run/linux-api/2021/05/205953/t.md

```text
On 13.05.21 20:47, Mike Rapoport wrote:
> From: Mike Rapoport <redacted>
>
> ARCH_HAS_SET_DIRECT_MAP and ARCH_HAS_SET_MEMORY configuration options have
> no meaning when CONFIG_MMU is disabled and there is no point to enable
> them for the nommu case.
>
> Add an explicit dependency on MMU for these options.
>
> Signed-off-by: Mike Rapoport <redacted>
> Reported-by: kernel test robot <redacted>
> ---
>   arch/riscv/Kconfig | 4 ++--
>   1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
> index a8ad8eb76120..c426e7d20907 100644
> --- a/arch/riscv/Kconfig
> +++ b/arch/riscv/Kconfig
> @@ -26,8 +26,8 @@ config RISCV
>   	select ARCH_HAS_KCOV
>   	select ARCH_HAS_MMIOWB
>   	select ARCH_HAS_PTE_SPECIAL
> -	select ARCH_HAS_SET_DIRECT_MAP
> -	select ARCH_HAS_SET_MEMORY
> +	select ARCH_HAS_SET_DIRECT_MAP if MMU
> +	select ARCH_HAS_SET_MEMORY if MMU
>   	select ARCH_HAS_STRICT_KERNEL_RWX if MMU && !XIP_KERNEL
>   	select ARCH_HAS_STRICT_MODULE_RWX if MMU && !XIP_KERNEL
>   	select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
>

Reviewed-by: David Hildenbrand <redacted>

-- 
Thanks,

David / dhildenb


_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
```