On Mon, Aug 26, 2013 at 1:06 PM, Chen Gang <gang.c...@asianux.com> wrote:
> On 08/26/2013 07:00 PM, Geert Uytterhoeven wrote:
>> On Mon, Aug 26, 2013 at 12:31 PM, Chen Gang <gang.c...@asianux.com> wrote:
>>> --- a/arch/h8300/kernel/setup.c
>>> +++ b/arch/h8300/kernel/setup.c
>>> @@ -47,6 +47,9 @@
>>> #include <asm/regs267x.h>
>>> #endif
>>>
>>> +#if defined(CONFIG_BLK_DEV_INITRD)
>>
>> Why have you added the #ifdef?
>>
>
> The related code is below (maybe we need add additional related
> comments in the patch for it ?).
>
> in arch/h8300/kernel/setup.c
>
> 94 void __init setup_arch(char **cmdline_p)
> 95 {
> 96 int bootmap_size;
> 97
> 98 memory_start = (unsigned long) &_ramstart;
> 99
> 100 /* allow for ROMFS on the end of the kernel */
> 101 if (memcmp((void *)memory_start, "-rom1fs-", 8) == 0) {
> 102 #if defined(CONFIG_BLK_DEV_INITRD)
> 103 initrd_start = memory_start;
> 104 initrd_end = memory_start += be32_to_cpu(((unsigned long
> *) (memory_start))[2]);
> 105 #else
> 106 memory_start += be32_to_cpu(((unsigned long *)
> memory_start)[2]);
> 107 #endif
> 108 }
Sure, it's used conditionally. But it doesn't harm to always include it.
That means less #ifdefs in the code.
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- ge...@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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