Marcus Brinkmann schrieb:
>>> ...
>>> I have the feeling that this is an obvious threat scenario and thus is
>>> probably addressed already, but I can't find where.  
>>>       
>> So far we mostly ignored this problem as far as the main-stream 
>> implementations go. One of the reasons I think was that map and unmap 
>> were not used by real-time tasks so their potentially unbounded 
>> execution time was not much of a problem. Volkmar's Beleg discusses some 
>> ideas how to solve this problem.
>>     
>
> Is some of that material online?
>  
>   
Yes, but unfortunately only in german:

http://os.inf.tu-dresden.de/papers_ps/micro_kernel_memory_management.pdf

Best regards

    Marcus

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