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Date:   Thu, 23 Sep 2021 17:20:43 +0200
From:   John Paul Adrian Glaubitz <>
To:     Geert Uytterhoeven <>,
        Yoshinori Sato <>,
        Rich Felker <>,
        "Aneesh Kumar K . V" <>,
        Andrew Morton <>
Cc:     Jacopo Mondi <>,
        Daniel Palmer <>,,,
Subject: Re: [PATCH] sh: pgtable-3level: Fix cast to pointer from integer of
 different size

Hi Geert!

On 9/15/21 15:50, Geert Uytterhoeven wrote:
> If X2TLB=y (CPU_SHX2=y or CPU_SHX3=y, e.g. migor_defconfig), pgd_t.pgd
> is "unsigned long long", causing:
>     In file included from arch/sh/include/asm/pgtable.h:13,
> 		     from include/linux/pgtable.h:6,
> 		     from include/linux/mm.h:33,
> 		     from arch/sh/kernel/asm-offsets.c:14:
>     arch/sh/include/asm/pgtable-3level.h: In function ‘pud_pgtable’:
>     arch/sh/include/asm/pgtable-3level.h:37:9: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
>        37 |  return (pmd_t *)pud_val(pud);
> 	  |         ^
> Fix this by adding an intermediate cast to "unsigned long", which is
> basically what the old code did before.

Thanks a lot for fixing this. My SH kernel build becomes much less noisy with
your patch. I can also confirm that it doesn't break the boot on my SH-7785LCR
as expected.

Tested-by: John Paul Adrian Glaubitz <>


 .''`.  John Paul Adrian Glaubitz
: :' :  Debian Developer -
`. `'   Freie Universitaet Berlin -
  `-    GPG: 62FF 8A75 84E0 2956 9546  0006 7426 3B37 F5B5 F913

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