linux-kernel - Re: [PATCH] module: LLVMLinux: Remove unused function warning from __param

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Message-ID: <531A73EB.6060403@codeaurora.org>
Date:	Fri, 07 Mar 2014 17:35:39 -0800
From:	Stephen Boyd <sboyd@...eaurora.org>
To:	pageexec@...email.hu
CC:	khali@...ux-fr.org, rostedt@...dmis.org,
	Behan Webster <behanw@...verseincode.com>,
	rusty@...tcorp.com.au, linux-kernel@...r.kernel.org,
	dwmw2@...radead.org, Mark Charlebois <charlebm@...il.com>
Subject: Re: [PATCH] module: LLVMLinux: Remove unused function warning from
 __param_check macro

On 03/07/14 17:25, PaX Team wrote:
> On 7 Mar 2014 at 16:52, Behan Webster wrote:
>
>> On 03/07/14 14:56, PaX Team wrote:
>>> why can't you have the attr on the definition itself:
>>>
>>> static inline __unused type *__check_##name(void) { return(p); }
>>>
>>>
>>>
>> "__unused" isn't defined anywhere I can find, except in:
>>
>> src/linux/drivers/net/ethernet/amd/declance.c:#define __unused 
>> __attribute__ ((unused))
> oh i forgot about that, you'd of course place this #define
> into the appropriate compiler*.h files so that other code
> can make use of it in the future as well ;).
>

It looks like it already exists, __always_unused.

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