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Date: Mon, 18 Jan 2010 14:09:50 +0200
From: Avi Kivity <avi@redhat.com>
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To: Peter Zijlstra <peterz@infradead.org>
CC: ananth@in.ibm.com, Jim Keniston <jkenisto@us.ibm.com>,
       Srikar Dronamraju <srikar@linux.vnet.ibm.com>,
       Ingo Molnar <mingo@elte.hu>,
       Arnaldo Carvalho de Melo <acme@infradead.org>,
       utrace-devel <utrace-devel@redhat.com>,
       Frederic Weisbecker <fweisbec@gmail.com>,
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       Maneesh Soni <maneesh@in.ibm.com>, Mark Wielaard <mjw@redhat.com>,
       LKML <linux-kernel@vger.kernel.org>
Subject: Re: [RFC] [PATCH 1/7] User Space Breakpoint Assistance Layer (UBP)
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On 01/18/2010 02:06 PM, Peter Zijlstra wrote:
> On Mon, 2010-01-18 at 14:01 +0200, Avi Kivity wrote:
>    
>> Maybe you place no value on uprobes.  But people who debug userspace
>> likely will see a reason.
>>      
> I do see value in uprobes, I just don't like it mucking about with the
> address space. Nor does it appear required.
>    

Well, the alternatives are very unappealing.  Emulation and 
single-stepping are going to be very slow compared to a couple of jumps.

-- 
error compiling committee.c: too many arguments to function