linux-kernel - Re : [PATCH 4/8] lib: Add prototype declarations in lib/clz

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Date:	Thu, 27 Feb 2014 10:44:38 +0900
From:	"민찬호" <chanho.min@....com>
To:	Rashika Kheria <rashika.kheria@...il.com>
Cc:	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Rashika Kheria <rashika.kheria@...il.com>,
	josh@...htriplett.org
Subject: Re : [PATCH 4/8] lib: Add prototype declarations in lib/clz_ctz.c


> -----Original Message-----
> From: Rashika Kheria [mailto:rashika.kheria@...il.com]
> Sent: Tuesday, February 25, 2014 4:46 PM
> To: linux-kernel@...r.kernel.org
> Cc: Andrew Morton; Rashika Kheria; Chanho Min; josh@...htriplett.org
> Subject: [PATCH 4/8] lib: Add prototype declarations in lib/clz_ctz.c
>
> Add prototype declarations of functions in lib/clz_ctz.c. These
> functions are required by GCC builtins and hence can not be removed
> despite of their unreferenced appearance in kernel source.
>
> This eliminates the following warning in lib/clz_ctz.c:
> lib/clz_ctz.c:16:12: warning: no previous prototype for ‘__ctzsi2’ [-Wmissing-prototypes]
> lib/clz_ctz.c:22:12: warning: no previous prototype for ‘__clzsi2’ [-Wmissing-prototypes]
> lib/clz_ctz.c:44:12: warning: no previous prototype for ‘__clzdi2’ [-Wmissing-prototypes]
> lib/clz_ctz.c:50:12: warning: no previous prototype for ‘__ctzdi2’ [-Wmissing-prototypes]
>
> Signed-off-by: Rashika Kheria <rashika.kheria@...il.com>
> Reviewed-by: Josh Triplett <josh@...htriplett.org>
Acked-by: Chanho Min <chanho.min@....com>