linux-kernel - Re: [PATCH v2] efi: EFI_DISABLE

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Date:   Sat, 28 May 2022 11:24:51 +0200
From:   Ard Biesheuvel <ardb@...nel.org>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:     Javier Martinez Canillas <javierm@...hat.com>,
        linux-efi <linux-efi@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] efi: EFI_DISABLE_RUNTIME should depend on EFI

On Tue, 24 May 2022 at 09:37, Geert Uytterhoeven <geert@...ux-m68k.org> wrote:
>
> The EFI_DISABLE_RUNTIME config option controls the use of Extensible
> Firmware Interface (EFI) runtime services, which matters only if EFI
> support is enabled.
>
> Hence add a dependency on EFI, to prevent asking the user about this
> control knob when configuring a kernel without EFI support.
>
> Fixes: a031651ff2144a3d ("efi: Allow to enable EFI runtime services by default on RT")
> Signed-off-by: Geert Uytterhoeven <geert@...ux-m68k.org>
> Acked-by: Javier Martinez Canillas <javierm@...hat.com>
> ---
> v2:
>   - Add Acked-by,
>   - Fix typo s/with/without/.
> ---
>  drivers/firmware/efi/Kconfig | 1 +
>  1 file changed, 1 insertion(+)
>

Can we just move this option into the menu/endmenu scope that already
depends on EFI?

> diff --git a/drivers/firmware/efi/Kconfig b/drivers/firmware/efi/Kconfig
> index 4720ba98cec312e7..ff6e7bfa8355cfc2 100644
> --- a/drivers/firmware/efi/Kconfig
> +++ b/drivers/firmware/efi/Kconfig
> @@ -299,6 +299,7 @@ config EFI_CUSTOM_SSDT_OVERLAYS
>
>  config EFI_DISABLE_RUNTIME
>         bool "Disable EFI runtime services support by default"
> +       depends on EFI
>         default y if PREEMPT_RT
>         help
>           Allow to disable the EFI runtime services support by default. This can
> --
> 2.25.1
>