linux-kernel - Re: [PATCH v3] sparc: Use shared font data

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Date:   Mon, 7 Aug 2023 19:12:00 +0200
From:   Sam Ravnborg <sam@...nborg.org>
To:     linux@...blig.org
Cc:     davem@...emloft.net, benh@...nel.crashing.org,
        akpm@...ux-foundation.org, sparclinux@...r.kernel.org,
        linux-kernel@...r.kernel.org, mpe@...erman.id.au,
        glaubitz@...sik.fu-berlin.de
Subject: Re: [PATCH v3] sparc: Use shared font data

Hi David,

On Mon, Aug 07, 2023 at 02:09:14AM +0100, linux@...blig.org wrote:
> From: "Dr. David Alan Gilbert" <linux@...blig.org>
> 
> sparc has a 'btext' font used for the console which is almost identical
> to the shared font_sun8x16, so use it rather than duplicating the data.
> 
> They were actually identical until about a decade ago when
>    commit bcfbeecea11c ("drivers: console: font_: Change a glyph from
>                         "broken bar" to "vertical line"")
> 
> which changed the | in the shared font to be a solid
> bar rather than a broken bar.  That's the only difference.
> 
> This was originally spotted by PMD which noticed that PPC does
> the same thing with the same data, and they also share a bunch
> of functions to manipulate the data.
> 
> Tested very lightly with a boot without FS in qemu.
> 
> Signed-off-by: Dr. David Alan Gilbert <linux@...blig.org>
Reviewed-by: Sam Ravnborg <sam@...nborg.org>

	Sam