Re: [-mm Patch] uml: fix a building error

[Mariusz Kozlowski]

Hello,

> >> > This patch fixes this building error:
> >> > ...
> >> > drivers/char/mem.c: In function 'read_mem':
> >> > drivers/char/mem.c:136: error: implicit declaration of 
> >function 'unxlate_dev_mem_ptr'
> >> > ...
> >> 
> >> I see this on sparc64 as well:
> >> 
> >>   CC      drivers/char/mem.o
> >> drivers/char/mem.c: In function 'read_mem':
> >> drivers/char/mem.c:136: error: implicit declaration of 
> >function 'unxlate_dev_mem_ptr'
> >> make[2]: *** [drivers/char/mem.o] Error 1
> >> make[1]: *** [drivers/char] Error 2
> >> make: *** [drivers] Error 2
> >> 
> >> Does sparc64 need similar fix?
> >> 
> >
> >The PAT patches strike again.
> >
> >Ingo, I think you might need to toss some cross-compilers into 
> >that build
> >test setup of yours.
> 
> These functions were defined for other archs in asm-generic/iomap.h.
> We need all archs including it in io.h. I now see only few archs are
> including it..
>
> Apart from unxlate, there is also ioremap_wc which is defined in the
> same way.
> 
> I can send a patch for this. But, I don't have cross compiler setup for
> all archs to test. Andrew, I will need your help.

I can confirm that this fixes the build problem for sparc64 here.

Regards,

	Mariusz
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