On Wed, May 07, 2014 at 08:55:51PM +0900, Masami Hiramatsu wrote:

...

+#if defined(CONFIG_PPC64) && (!defined(_CALL_ELF) || _CALL_ELF == 1)
+/*
+ * On PPC64 ABIv1 the function pointer actually points to the
+ * function's descriptor. The first entry in the descriptor is the
+ * address of the function text.
+ */
+#define constant_function_entry(fn)	(((func_descr_t *)(fn))->entry)
+#else
+#define constant_function_entry(fn)	((unsigned long)(fn))
+#endif
+
 #endif /* __ASSEMBLY__ */

Hi Masami,

You could just use ppc_function_entry() instead.

Ananth