Date: Tue, 5 Mar 2013 23:02:09 +0100 (CET)
From: Thomas Gleixner <tglx@linutronix.de>
To: "Raphael S.Carvalho" <raphael.scarv@gmail.com>
cc: Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
        x86@kernel.org, Peter Zijlstra <a.p.zijlstra@chello.nl>,
        Jarkko Sakkinen <jarkko.sakkinen@intel.com>,
        linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/1] arch/x86/smpboot.c: Fix GCC Warning (unused
 variable)!
In-Reply-To: <1362508625-7803-1-git-send-email-raphael.scarv@gmail.com>
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References: <1362508625-7803-1-git-send-email-raphael.scarv@gmail.com>
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On Tue, 5 Mar 2013, Raphael S.Carvalho wrote:

> GCC complained about the unused variable c, thus I'm sending
> this patch in order to calm it down.
> I compiled the file and everything seems be ok!

What is your patch solving? How about removing the line completely?
And how about providing a changelog which makes sense ?

Thanks,

	tglx
 
> Signed-off-by: Raphael S.Carvalho <raphael.scarv@gmail.com>
> ---
>  arch/x86/kernel/smpboot.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
> index a6ceaed..77a5616 100644
> --- a/arch/x86/kernel/smpboot.c
> +++ b/arch/x86/kernel/smpboot.c
> @@ -1367,7 +1367,7 @@ static inline void mwait_play_dead(void)
>  	unsigned int highest_subcstate = 0;
>  	int i;
>  	void *mwait_ptr;
> -	struct cpuinfo_x86 *c = __this_cpu_ptr(&cpu_info);
> +	__this_cpu_ptr(&cpu_info);
>  
>  	if (!this_cpu_has(X86_FEATURE_MWAIT))
>  		return;
> -- 
> 1.7.2.5
> 
> 
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