Andi Kleen wrote:
quoted text
>> Yeah, as soon as the stack pointer changes, everything below it is 
>> invalidated (except if the stack-pointer change was actually determined 
>> to be a stack switch).
>>     
>
> It might in theory, but at least it doesn't for my test program.
>   

If you'd read a tiny bit further down my mail, you'd have seen my 
explanation of why your test program isn't testing what you think it is, 
and a variant which does.

    J
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