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CSE 60641 - Graduate Operating Systems - Lecture 23

Date November 18th, 2014
Topic Rings
Description Discuss / walk through multiple examples of rings

Readings

  • Multics - Rings

Reminders

  • Interim draft (next week)

Key Points

  • Why access control for memory?
  • Why hardware for access control?
  • What is ring 0?
  • Explain rings in a general sense
  • What is the SDW?
  • What is the purpose of a gate?
  • How do we map rings in hardware?

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Topic revision: r1 - 2014-12-07 - AaronStriegel
 
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