Andi Kleen wrote:
>> I need to look at the kprobes code in more depth to answer completely.  
>> But in general, there could be a problem if DRs are set to fire on any 
>> EIP 
>>     
>
> kprobes don't use DRs

Good to know.  But int3 breakpoints can still cause horrific breakage in 
the stop_machine code.  I don't know a good way to disallow it.

Zach
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