JDK-8186671 : Use `yield` instruction in SpinPause on linux-aarch64
  • Type: Enhancement
  • Component: hotspot
  • Sub-Component: runtime
  • Affected Version: 10
  • Priority: P4
  • Status: Closed
  • Resolution: Duplicate
  • OS: linux
  • CPU: aarch64
  • Submitted: 2017-08-23
  • Updated: 2021-12-15
  • Resolved: 2021-12-15
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JDK 19
19Resolved
Related Reports
Duplicate :  
JDK-8278241 - Implement JVM SpinPause on linux-aarch64
Relates :  
JDK-8186670 - Implement _onSpinWait() intrinsic for AArch64
Relates :  
JDK-8147832 - JEP 285: Spin-Wait Hints
Relates :  
JDK-7117065 - RFE: Improve contended locking support
Comments
Only issues associated with changesets should be closed/resolved as "Fixed". If this issue is fixed by another issue, then please close it as a dupllicate.
15-12-2021
JDK-8278241 + 'XX:OnSpinWaitInst=yield' provide the fix.
15-12-2021
Rebased to consolidated repo http://cr.openjdk.java.net/~dchuyko/8186671/webrev.01/
28-11-2017
http://cr.openjdk.java.net/~dchuyko/8186671/webrev.00/
23-08-2017