Non-monopolizable caches: Low-complexity mitigation of cache side channel attacks

  title={Non-monopolizable caches: Low-complexity mitigation of cache side channel attacks},
  author={Leonid Domnitser and Aamer Jaleel and Jason Loew and Nael B. Abu-Ghazaleh and Dmitry V. Ponomarev},
We propose a flexibly-partitioned cache design that either drastically weakens or completely eliminates cache-based side channel attacks. The proposed Non-Monopolizable (NoMo) cache dynamically reserves cache lines for active threads and prevents other co-executing threads from evicting reserved lines. Unreserved lines remain available for dynamic sharing among threads. NoMo requires only simple modifications to the cache replacement logic, making it straightforward to adopt. It requires no… CONTINUE READING
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