linux-kernel - Re: [PATCH v2 6/9] vgacon: clean up global screen

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Message-ID: <87cz0ohtp8.fsf@minerva.mail-host-address-is-not-set>
Date:   Wed, 19 Jul 2023 16:17:07 +0200
From:   Javier Martinez Canillas <javierm@...hat.com>
To:     Arnd Bergmann <arnd@...nel.org>, linux-fbdev@...r.kernel.org,
        Thomas Zimmermann <tzimmermann@...e.de>,
        Helge Deller <deller@....de>
Cc:     Arnd Bergmann <arnd@...db.de>,
        "David S. Miller" <davem@...emloft.net>,
        "K. Y. Srinivasan" <kys@...rosoft.com>,
        Ard Biesheuvel <ardb@...nel.org>,
        Borislav Petkov <bp@...en8.de>, Brian Cain <bcain@...cinc.com>,
        Catalin Marinas <catalin.marinas@....com>,
        Christophe Leroy <christophe.leroy@...roup.eu>,
        Daniel Vetter <daniel@...ll.ch>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        David Airlie <airlied@...il.com>,
        Deepak Rawat <drawat.floss@...il.com>,
        Dexuan Cui <decui@...rosoft.com>,
        Dinh Nguyen <dinguyen@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Guo Ren <guoren@...nel.org>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        Huacai Chen <chenhuacai@...nel.org>,
        Ingo Molnar <mingo@...hat.com>,
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        Khalid Aziz <khalid@...ehiking.org>,
        Linus Walleij <linus.walleij@...aro.org>,
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        linux-alpha@...r.kernel.org, linux-kernel@...r.kernel.org,
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Subject: Re: [PATCH v2 6/9] vgacon: clean up global screen_info instances

Arnd Bergmann <arnd@...nel.org> writes:

> From: Arnd Bergmann <arnd@...db.de>
>
> To prepare for completely separating the VGA console screen_info from
> the one used in EFI/sysfb, rename the vgacon instances and make them
> local as much as possible.
>
> ia64 and arm both have confurations with vgacon and efi, but the contents

is this a typo for configurations ?

> never overlaps because ia64 has no EFI framebuffer, and arm only has
> vga console on legacy platforms without EFI. Renaming these is required
> before the EFI screen_info can be moved into drivers/firmware.
>
> The ia64 vga console is actually registered in two places from
> setup_arch(), but one of them is wrong, so drop the one in pcdp.c and
> the fix the one in setup.c to use the correct conditional.
>

s/the fix the/fix the

> x86 has to keep them together, as the boot protocol is used to switch
> between VGA text console and framebuffer through the screen_info data.
>
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> ---

Patch looks good to me, but I'm not that familiar with some of the arches
to give a proper reviewed-by.

Acked-by: Javier Martinez Canillas <javierm@...hat.com>

-- 
Best regards,

Javier Martinez Canillas
Core Platforms
Red Hat