linux-kernel - Re: [PATCH 4/5 v2] x86 boot: show pfn addresses in hex not decimal in some kernel info printks

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Date:	Tue, 24 Jun 2008 22:05:52 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
CC:	Paul Jackson <pj@....com>, yhlu.kernel@...il.com,
	akpm@...ux-foundation.org, mingo@...e.hu, tglx@...utronix.de,
	steiner@....com, travis@....com, linux-kernel@...r.kernel.org,
	ying.huang@...el.com, andi@...stfloor.org
Subject: Re: [PATCH 4/5 v2] x86 boot: show pfn addresses in hex not decimal
 in some kernel info printks

Linus Torvalds wrote:
> 
> And yes, to avoid messing with current users, maybe we should only do that 
> with %#p (which I don't think anybody uses right now, although I suspect 
> it actually adds the '0x' you'd like). The '#' thing is, of course, all 
> about 'alternate forms'. But I worry that gcc warns about undefined 
> formatting behavior.
> 

FWIW, I did a pass over the tree stripping out all the 0x%p's and 
changing the behaviour about a year ago.  It ended up sitting around and 
not be submitted, but I'd be happy to re-do it.

	-hpa
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