Re: [PATCH] sh: pgtable-3level: Fix cast to pointer from integer of different size

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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 <glaubitz@xxxxxxxxxxxxxxxxxxx>

Adrian

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






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