linux-kernel - Re: [PATCH] ftrace: simplify hex print

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Message-ID: <20080418132252.GA9275@osiris.boeblingen.de.ibm.com>
Date:	Fri, 18 Apr 2008 15:22:52 +0200
From:	Heiko Carstens <heiko.carstens@...ibm.com>
To:	Thomas Gleixner <tglx@...utronix.de>
Cc:	LKML <linux-kernel@...r.kernel.org>, Ingo Molnar <mingo@...e.hu>,
	Steven Rostedt <rostedt@...dmis.org>
Subject: Re: [PATCH] ftrace: simplify hex print

On Fri, Apr 18, 2008 at 02:33:20PM +0200, Thomas Gleixner wrote:
> simplify hex to ascii conversion with a lookup table.
> 
> Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
> +static const char hex2asc[] = "0123456789abcdef";
[...]
> +		hex[j++] = hex2asc[byte & 0x0f];
> +		hex[j++] = hex2asc[byte >> 4];

we have hex_asc() in include/linux/kernel.h already.
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