[PATCH] ARM: mach-rpc: fix zImage build after recent font-related changes

[Helge Deller]

Hi Ethan,

On 5/20/26 06:49, Ethan Nelson-Moore wrote:
> Thanks for investigating this issue.
> 
> On Tue, May 19, 2026 at 2:11 AM Helge Deller <deller at kernel.org> wrote:
>> Ethan, does this compile-only-tested patch fix the issue?
> It almost does - I also had to remove #include <linux/math.h> from
> include/linux/font.h.
> This is probably because of the following highly questionable code in
> arch/arm/boot/compressed/Makefile:
> CFLAGS_font.o := -Dstatic=
> which is causing unused static functions to not be optimized out. (The
> real purpose of it is to make the acorndata_8x8 array non-static so
> the decompressor can use it.) Really, the decompressor should be fixed
> to not use this hack.

Would it help to mark acorndata_8x8 with attribute("visible") ?
That way it should become accessible.

>> Maybe only the first hunk is necessary.
> You're right. The kernel links successfully with only the #include
> <linux/math.h> removal and the first hunk applied.

Ok, good.
How shall we continue?
Do you want to try the visible trick?

Helge


> 
> Have a nice day!
> 
> Ethan