linux-kernel - Re: [PATCH] x86, boot: add hex output for debugging

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Date:	Fri, 31 Oct 2014 10:42:51 -0700
From:	Andi Kleen <ak@...ux.intel.com>
To:	Randy Dunlap <rdunlap@...radead.org>
Cc:	Kees Cook <keescook@...omium.org>, linux-kernel@...r.kernel.org,
	"H. Peter Anvin" <hpa@...or.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>, x86@...nel.org,
	Vivek Goyal <vgoyal@...hat.com>,
	Junjie Mao <eternal.n08@...il.com>
Subject: Re: [PATCH] x86, boot: add hex output for debugging

> > +void __puthex(unsigned long value)
> > +{
> > +	char alpha[2] = "0";
> > +	int bits;
> > +	unsigned char byte;
> 
> what is 'byte' for?  (unused)

Well the whole function is unused. We don't normally add unused functions
to the code because they bitrot too easily.

If you need it please just patch it in yourself.

-Andi
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