Changing Paravirt Lock-ops for a Changing World

Changing Paravirt Lock-ops for a Changing World

Linux Foundation via YouTube Direct link

V2 design: global barrier

10 of 13

10 of 13

V2 design: global barrier

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Changing Paravirt Lock-ops for a Changing World

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  1. 1 Introducción
  2. 2 Guests should be more dynamic
  3. 3 pv_lock_ops state-machine Queued spinlocks are based on MCS locks
  4. 4 Why don't we just use paravirt locks all the time
  5. 5 What does switching pv_lock_ops involve? cont
  6. 6 Active users while we are patching
  7. 7 Mechanism: INT3
  8. 8 V1: approach
  9. 9 V1: state-machine
  10. 10 V2 design: global barrier
  11. 11 V2 design: more on counting
  12. 12 Show me the code
  13. 13 Questions?

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