> On Fri, Feb 08, 2008 at 06:20:52PM +0530, Kamalesh Babulal wrote:
>> Adrian Bunk wrote:
>>> On Fri, Feb 08, 2008 at 04:02:59PM +0530, Kamalesh Babulal wrote:
>>>> Hi,
>>>>
>>>> The 2.6.24-git18 kernel build fails on the power machine with following message
>>>>
>>>> drivers/input/mouse/psmouse-base.c:44: error: __param_proto causes a section type conflict
>>>> drivers/input/mouse/psmouse-base.c:44: error: __param_proto causes a section type conflict
>>>> make[3]: *** [drivers/input/mouse/psmouse-base.o] Error 1
>>>> make[2]: *** [drivers/input/mouse] Error 2
>>>> make[1]: *** [drivers/input] Error 2
>>>> make: *** [drivers] Error 2
>>>>
>>>> this failure was reported earlier
http://lkml.org/lkml/2007/9/22/64
>>> You need the patch from [1] manually applied (due to changed context)
>>> and with " || defined(__powerpc__)" added for getting it compiling.
>>>
>>> @Rusty:
>>> Can you look at this issue? It's a modules problem on 3 architectures.
>>>
>>> cu
>>> Adrian
>>>
>>> [1]
http://lkml.org/lkml/2007/12/27/29
>>>
>> I tried manually applying the patch and added ||defined(__powerpc__), the above
>> build failure was resolved but it started failing at another place,
>>
>> CC kernel/printk.o
>> kernel/printk.c:568: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘static’
>> make[1]: *** [kernel/printk.o] Error 1
>> make: *** [kernel] Error 2
>
> Below is what worked for me (based on Ivan's patch).
>
> The comment is wrong now, the #if's should refer to kconfig variables,
> and I don't know whether this patch is really the best solution.
>
> cu
> Adrian
>
>
> 1fffe660ace75bd875fc23f7b2121d7341f08464 diff --git a/include/linux/moduleparam.h b/include/linux/moduleparam.h
> index 8126e55..d17ce12 100644
> --- a/include/linux/moduleparam.h
> +++ b/include/linux/moduleparam.h
> @@ -62,6 +62,15 @@ struct kparam_array
> void *elem;
> };
>
> +/* On alpha and ia64 relocations to global data cannot go into read-only
> + sections, so 'const' makes no sense and even causes compile failures
> + with some compilers. */
> +#if defined(__alpha__) || defined(__ia64__) || defined(__powerpc__)
> +#define __moduleparam_const
> +#else
> +#define __moduleparam_const const
> +#endif
> +
> /* This is the fundamental function for registering boot/module
> parameters. perm sets the visibility in sysfs: 000 means it's
> not there, read bits mean it's readable, write bits mean it's
> @@ -71,7 +80,7 @@ struct kparam_array
> static int __param_perm_check_##name __attribute__((unused)) = \
> BUILD_BUG_ON_ZERO((perm) < 0 || (perm) > 0777 || ((perm) & 2)); \
> static const char __param_str_##name[] = prefix #name; \
> - static struct kernel_param const __param_##name \
> + static struct kernel_param __moduleparam_const __param_##name \
> __used \
> __attribute__ ((unused,__section__ ("__param"),aligned(sizeof(void *)))) \
> = { __param_str_##name, perm, set, get, { arg } }
> --
