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From: "H. Peter Anvin" <hpa@zytor.com>
To: Harvey Harrison <harvey.harrison@gmail.com>
Cc: Andi Kleen <ak@suse.de>,
	mingo@elte.hu, tglx@linutronix.de, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] [3/7] Use shorter addresses in i386 segfault printks
Date: Wed, 16 Jan 2008 22:21:29 -0500	[thread overview]
Message-ID: <478EC9B9.5040408@zytor.com> (raw)
In-Reply-To: <1200540141.17967.8.camel@brick>

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

  reply	other threads:[~2008-01-17  3:27 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-01-16 22:27 [PATCH] [0/7] Some random x86 patches that should all go into git-x86 Andi Kleen
2008-01-16 22:27 ` [PATCH] [1/7] i386: Move MWAIT idle check to generic CPU initialization Andi Kleen
2008-01-16 22:27 ` [PATCH] [2/7] Use the correct cpuid method to detect MWAIT support for C states Andi Kleen
2008-01-16 22:27 ` [PATCH] [3/7] Use shorter addresses in i386 segfault printks Andi Kleen
2008-01-17  2:58   ` Harvey Harrison
2008-01-17  3:11     ` H. Peter Anvin
2008-01-17  3:22       ` Harvey Harrison
2008-01-17  3:21         ` H. Peter Anvin [this message]
2008-01-17 11:27     ` Andi Kleen
2008-01-16 22:27 ` [PATCH] [4/7] Print which shared library/executable faulted in segfault etc. messages Andi Kleen
2008-01-16 22:27 ` [PATCH] [5/7] Replace hard coded reservations in x86-64 early boot code with dynamic table v2 Andi Kleen
2008-01-16 22:27 ` [PATCH] [6/7] Optimize lock prefix switching to run less frequently v2 Andi Kleen
2008-01-16 22:27 ` [PATCH] [7/7] Don't disable the APIC if it hasn't been mapped yet Andi Kleen
2008-01-18  9:43 ` [PATCH] [0/7] Some random x86 patches that should all go into git-x86 Ingo Molnar

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