Re: [PATCH] Fix broken debug output reserve_region_with_split()

From: Linus Torvalds
Date: Fri Oct 17 2008 - 11:56:48 EST




On Fri, 17 Oct 2008, Benjamin Herrenschmidt wrote:
>
> +#ifdef CONFIG_PHYS_ADDR_T_64BIT
> +#define MEM_RSRC_SIZE 16
> +#else
> +#define MEM_RSRC_SIZE 8
> +#endif
> +
> +#ifdef CONFIG_X86
> +#define IO_RSRC_SIZE 4
> +#elif CONFIG_PPC
> +#define IO_RSRC_SIZE 8
> +#else
> +#define IO_RSRC_SIZE MEM_RSRC_SIZE
> +#endif

Why?

Do you think alpha wants to see its PIO resources shown as

[00000000000001f0-00000000000001f7]

or

[01f0-01f7]

and which do you think is more readable?

And even on sparc, with the full 64 bits in use, it's not like we'd be
*truncating* to 4 hex digits with %04x.

Linus
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