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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Message-ID: <alpine.LFD.1.10.0806242000310.13106@hp.linux-foundation.org>
Date:	Tue, 24 Jun 2008 20:00:54 -0700 (PDT)
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	"H. Peter Anvin" <hpa@...or.com>
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



On Tue, 24 Jun 2008, 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.

Indeed it does, I just checked. Very irritating.

		Linus
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