linux-kernel - Re: [PATCH] x86: split e820 reserved entries record to late v4

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Message-ID: <48F3C380.2020603@zytor.com>
Date:	Mon, 13 Oct 2008 14:54:08 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
CC:	Tony Luck <tony.luck@...el.com>,
	Yinghai Lu <yhlu.kernel@...il.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Ingo Molnar <mingo@...e.hu>, tglx@...utronix.de,
	jbarnes@...tuousgeek.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] x86: split e820 reserved entries record to late v4 -
 fix v7

Linus Torvalds wrote:
> 
> Or we could do what Andrew suggested some time ago, and extend %p to do 
> resource printing, like %pS and %pF.
> 
> TOTALLY UNTESTED! But something like this might allow
> 
> 	printk(KERN_DEBUG "  reserve_region: (%s) %pR\n"
> 		res->name, res);
> 
> and if I did things right it should print
> 
> 	reserve_region: (name) [xx-xx]
> 
> and maybe it's worth it. We certainly do seem to have a fair number of 
> those irritating casts for resource printouts.
> 

There is certainly a lot to be said for this.  Using higher-level 
interfaces keeps formatting consistent and gives us one place to change 
things if desired.

	-hpa
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