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Date: Thu, 8 May 2014 10:17:53 +0530
From: Ananth N Mavinakayanahalli <ananth@in.ibm.com>
To: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Subject: Re: [RFT PATCH -next ] [BUGFIX] kprobes: Fix "Failed to find
 blacklist" error on ia64 and ppc64
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Cc: Jeremy Fitzhardinge <jeremy@goop.org>, linux-ia64@vger.kernel.org,
 sparse@chrisli.org, Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
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 Linus Torvalds <torvalds@linux-foundation.org>, rdunlap@infradead.org,
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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