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.1.10.0806250740460.4733@hp.linux-foundation.org>
Date:	Wed, 25 Jun 2008 07:42:29 -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, H. Peter Anvin wrote:
> 
> Any reason we can't just re-define %p to print the 0x prefix, just as glibc
> does?  It'd be easy enough to go and sed out all the 0x%p's currently in the
> kernel.

You didn't listen. I want #p to do the _symbolic_ address. The thing we 
have in the backtraces etc. With nice symbol offset information etc.

The '0x<hex>' thing isn't all that interesting. You can do it by adding 
the '0x' by hand, or by using a cast and using %#lx instead.

		Linus
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