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Re: [OpenRISC] [PATCH 3/3] openrisc: Export symbols needed by modules

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Hi Stafford,

On Tue, Mar 14, 2017 at 3:56 PM, Stafford Horne <shorne@gmail.com> wrote:
> This was detected by allmodconfig, errors reported:
>
>  ERROR: "empty_zero_page" [net/ceph/libceph.ko] undefined!
>  ERROR: "__ucmpdi2" [lib/842/842_decompress.ko] undefined!
>  ERROR: "empty_zero_page" [fs/nfs/objlayout/objlayoutdriver.ko] undefined!
>  ERROR: "empty_zero_page" [fs/exofs/exofs.ko] undefined!
>  ERROR: "empty_zero_page" [fs/crypto/fscrypto.ko] undefined!
>  ERROR: "__ucmpdi2" [fs/btrfs/btrfs.ko] undefined!
>  ERROR: "pm_power_off" [drivers/regulator/act8865-regulator.ko] undefined!
>
> Signed-off-by: Stafford Horne <shorne@gmail.com>

> --- a/arch/openrisc/kernel/or32_ksyms.c
> +++ b/arch/openrisc/kernel/or32_ksyms.c
> @@ -42,6 +42,11 @@ DECLARE_EXPORT(__muldi3);
>  DECLARE_EXPORT(__ashrdi3);
>  DECLARE_EXPORT(__ashldi3);
>  DECLARE_EXPORT(__lshrdi3);
> +DECLARE_EXPORT(__ucmpdi2);
> +
> +extern unsigned long empty_zero_page[2048];

Can't you #include <asm/pgtable.h> instead of adding a forward
declaration?

> +EXPORT_SYMBOL(empty_zero_page);

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

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

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[PATCH 0/3] Openrisc fixes for 4.11 Stafford Horne <shorne@gmail.com> - 2017-03-14 16:00 +0100
  [PATCH 2/3] openrisc: fix issue handling 8 byte get_user calls Stafford Horne <shorne@gmail.com> - 2017-03-14 16:00 +0100
  [PATCH 3/3] openrisc: Export symbols needed by modules Stafford Horne <shorne@gmail.com> - 2017-03-14 16:00 +0100
    Re: [OpenRISC] [PATCH 3/3] openrisc: Export symbols needed by modules Geert Uytterhoeven <geert@linux-m68k.org> - 2017-03-14 16:30 +0100
      Re: [OpenRISC] [PATCH 3/3] openrisc: Export symbols needed by modules Stafford Horne <shorne@gmail.com> - 2017-03-14 23:20 +0100
  [PATCH 1/3] openrisc: xchg: fix `computed is not used` warning Stafford Horne <shorne@gmail.com> - 2017-03-14 16:10 +0100

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