linux-kernel - Re: types for storing instruction pointers

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Message-ID: <20090607132516.GB12088@elte.hu>
Date:	Sun, 7 Jun 2009 15:25:16 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Christoph Hellwig <hch@....de>
Cc:	Frederic Weisbecker <fweisbec@...il.com>,
	linux-kernel@...r.kernel.org
Subject: Re: types for storing instruction pointers


* Christoph Hellwig <hch@....de> wrote:

> Currently the _THIS_IP_ and _RET_IP_ macros aded for lockdep but 
> now available from kernel.org case the instruction pointer to an 
> unsigned long.  But the %pf/%pF format for printing them want a 
> pointer of some sort.  That's a pretty nasty situation for tracers 
> - can we standardize on one type for it?

Yes but what's the practical problem exactly? Could you cite an 
example?

Thanks,

	Ingo
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