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Method to switch the lock-bits combination used to lock a page table entry upon receiving system reset exceptions

  • US 20060036789A1
  • Filed: 07/29/2004
  • Published: 02/16/2006
  • Est. Priority Date: 07/29/2004
  • Status: Active Grant
First Claim
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1. A method in a data processing system for changing a lock-bits combination in a software lock to resolve a deadlock, comprising:

  • receiving a system reset exception;

    identifying a lock-bits combination to use in the software lock, wherein the lock-bits combination is identified based on a value of system reset exception occurrence bits; and

    updating the software lock with the identified lock-bits combination, wherein updating the software lock allows the data processing system to resolve the deadlock.

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