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Method and system for process working set isolation

  • US 9,575,906 B2
  • Filed: 03/19/2013
  • Issued: 02/21/2017
  • Est. Priority Date: 03/20/2012
  • Status: Active Grant
First Claim
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1. A system, comprising:

  • a processor;

    a memory;

    a secret key stored in hardware;

    a cache having one or more lines comprising data of one or more processes executed on the processor in a secure mode; and

    a secure execution controller configured to control access to a first line of the cache using a first secure descriptor based on the secret key and associated with a first process such that only the first process can access the first line of the cache and control access to a second line of cache using a second secure descriptor based on the secret key and associated with a second process such that only the second process can access the second line of the cache, wherein the first secure descriptor and the second secure descriptor are different secure descriptors.

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