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Subject: Re: [RFC] [PATCH 2.6.37-rc5-tip 4/20]  4: uprobes: Adding and
 remove a uprobe in a rb tree.
From: Peter Zijlstra <peterz@infradead.org>
To: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
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Date: Wed, 26 Jan 2011 16:33:14 +0100
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On Wed, 2011-01-26 at 20:48 +0530, Srikar Dronamraju wrote:
> * Peter Zijlstra <peterz@infradead.org> [2011-01-26 11:14:07]:
> 
> > On Wed, 2011-01-26 at 14:15 +0530, Srikar Dronamraju wrote:
> > > 
> > > 
> > > Okay, Will do, but Is there a reason for moving the fvalue out of the
> > > uprobe_consumer? Except for reducing the size of the structure, I am
> > > unable to see advantage. 
> > 
> > That's about it, and its the normal way to do such things in kernel
> > space.
> 
> But the disadvantage would be we wont be able to share the filter
> functions. Currently i had one patch that implemented the common
> filter functions that tracers could reuse.

But you could still do that, just make then use something like:

struct uprobe_simple_consumer {
	struct uprobe_consumer consumer;
	unsigned long value;
};