Masami Hiramatsu wrote:
>>>
>>> Stop machine is not required when inserting a breakpoint. 
>>
>> that is your assumption; when I spoke with CPU architects they
>> cringed ;(
> 
> Is that true even if modifying just one-byte (like int3 insertion)
> and we don't care synchronous write(that means code modification
> effects on other processors after a while)?
> 

The problem is that he's using is as part of a sequenced series of 
steps.  The lack of synchronization comes into play there.

	-hpa