Re: [PATCH] s390/console: enable dummy console for vt

From: Geert Uytterhoeven
Date: Thu Feb 15 2018 - 06:26:32 EST


Hi Christian,

On Thu, Feb 15, 2018 at 12:14 PM, Christian Borntraeger
<borntraeger@xxxxxxxxxx> wrote:
> To enable the virtual terminal layer with virtio-gpu, we need to
> provide the dummy console. This console is hidden behind CONFIG_IOMEM
> via the graphics support. Instead of fully enabling the graphic
> drivers lets just provide a Kconfig option for the dummy console.
>
> Signed-off-by: Christian Borntraeger <borntraeger@xxxxxxxxxx>
> ---
> New version: instead of moving around the graphic and console stuff,
> let's just keep an s390 specific variant of CONFIG_DUMMY_CONSOLE
> arch/s390/Kconfig | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
> index cbe1d978693a..a69690f616f3 100644
> --- a/arch/s390/Kconfig
> +++ b/arch/s390/Kconfig
> @@ -952,6 +952,11 @@ config S390_HYPFS_FS
>
> source "arch/s390/kvm/Kconfig"
>
> +config DUMMY_CONSOLE
> + bool
> + depends on VT
> + default y
> +
> config S390_GUEST
> def_bool y
> prompt "s390 support for virtio devices"

Really?

You already have your own copy of HAS_IOMEM, which makes it hard for
people to track which one applies where.

Gr{oetje,eeting}s,

Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds