[PATCH] ppc64: Fix issue with gcc 4.0 compiled kernels

[Paul Mackerras]

Anton Blanchard writes:

> I recently had a BUG_ON() go off spuriously on a gcc 4.0 compiled
> kernel. It turns out gcc-4.0 was removing a sign extension while earlier
> gcc versions would not. Thinking this to be a compiler bug, I submitted
> a report:

...

> -		    "i" (__FUNCTION__));			\
> +		: : "r" ((long long)(x)), "i" (__LINE__),	\

Could we have a (long) cast instead?  That way we can use the same
definition on 32-bit as well.

Paul.