linux-kernel - Re: [PATCH] [3/7] Use shorter addresses in i386 segfault printks

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Message-ID: <478EC9B9.5040408@zytor.com>
Date:	Wed, 16 Jan 2008 22:21:29 -0500
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Harvey Harrison <harvey.harrison@...il.com>
CC:	Andi Kleen <ak@...e.de>, mingo@...e.hu, tglx@...utronix.de,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] [3/7] Use shorter addresses in i386 segfault printks

Harvey Harrison wrote:
>>>
>> Casting to (void *) and using %p is probably your best bet.  That's what 
>> it really is anyway.
>>
>> Note: in the kernel right now, %p doesn't have the leading 0x prefix, 
>> which it probably should...
> 
> Well, that won't exactly be the nicest looking solution in places, maybe
> a shorthand could be developed for this, or could another format
> specifier be added that implicitly does the (void *) cast? (%P perhaps)
> 

Not without losing the ability of gcc to type-check printk arguments.

	-hpa
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