Re: [PATCH] sh: fix fallout from ZERO_PAGE consolidation

Hi Mike,

On Fri, 17 Apr 2026 at 21:16, Mike Rapoport <[email protected]> wrote:
> From: "Mike Rapoport (Microsoft)" <[email protected]>
>
> Consolidation of empty_zero_page declarations broke boot on sh.
>
> sh stores its initial boot parameters in a page reserved in
> arch/sh/kernel/head_32.S. Before commit 6215d9f4470f ("arch, mm:
> consolidate empty_zero_page") this page was referenced in C code as an
> array and after that commit it is referenced as a pointer.
>
> This causes wrong code generation and boot hang.
>
> Declare boot_params_page as an array to fix the issue.
>
> Reported-by: Thomas Weißschuh <[email protected]>
> Tested-by: Thomas Weißschuh <[email protected]>
> Fixes: 6215d9f4470f ("arch, mm: consolidate empty_zero_page")
> Signed-off-by: Mike Rapoport (Microsoft) <[email protected]>

Thanks, this fixes booting on Landisk and QEMU rts7751r2d.

Tested-by: Geert Uytterhoeven <[email protected]>

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- [email protected]

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