Re: [PATCH 1/1] efi/efivars: ConInDev, ConOutDev, ConErrDev are volatile

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(cc Peter)

On Thu, 18 Feb 2021 at 21:18, Heinrich Schuchardt <xypron.glpk@xxxxxx> wrote:
>
> UEFI variables ConInDev, ConOutDev, ConErrDev are volatile variables that
> are set by the firmware on every reset. It does not make sense to set these
> variables via the efivarfs filesystem.
>
> Signed-off-by: Heinrich Schuchardt <xypron.glpk@xxxxxx>
> ---
>  drivers/firmware/efi/vars.c | 3 ---
>  1 file changed, 3 deletions(-)
>
> diff --git a/drivers/firmware/efi/vars.c b/drivers/firmware/efi/vars.c
> index 41c1d00bf933..561e0a01093b 100644
> --- a/drivers/firmware/efi/vars.c
> +++ b/drivers/firmware/efi/vars.c
> @@ -180,11 +180,8 @@ static const struct variable_validate variable_validate[] = {
>         { EFI_GLOBAL_VARIABLE_GUID, "DriverOrder", validate_boot_order },
>         { EFI_GLOBAL_VARIABLE_GUID, "Driver*", validate_load_option },
>         { EFI_GLOBAL_VARIABLE_GUID, "ConIn", validate_device_path },
> -       { EFI_GLOBAL_VARIABLE_GUID, "ConInDev", validate_device_path },
>         { EFI_GLOBAL_VARIABLE_GUID, "ConOut", validate_device_path },
> -       { EFI_GLOBAL_VARIABLE_GUID, "ConOutDev", validate_device_path },
>         { EFI_GLOBAL_VARIABLE_GUID, "ErrOut", validate_device_path },
> -       { EFI_GLOBAL_VARIABLE_GUID, "ErrOutDev", validate_device_path },
>         { EFI_GLOBAL_VARIABLE_GUID, "Lang", validate_ascii_string },
>         { EFI_GLOBAL_VARIABLE_GUID, "OsIndications", NULL },
>         { EFI_GLOBAL_VARIABLE_GUID, "PlatformLang", validate_ascii_string },
> --
> 2.30.0
>



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