JDK-8320582 : Zero: Misplaced CX8 enablement flag
  • Type: Bug
  • Component: hotspot
  • Sub-Component: runtime
  • Affected Version: 22
  • Priority: P4
  • Status: Resolved
  • Resolution: Fixed
  • Submitted: 2023-11-22
  • Updated: 2024-02-08
  • Resolved: 2023-11-23
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JDK 21 JDK 22
21.0.3Fixed 22 b26Fixed
Related Reports
Blocks :  
JDK-8318776 - Require supports_cx8 to always be true
Relates :  
JDK-8319777 - Zero: Support 8-byte cmpxchg
Description
When doing JDK-8319777, I misplaced the _supports_cx8 = true flag setting in the method that is only called when CPU features are polled from perf counter code. We need to move the check to a proper place.
Comments
A pull request was submitted for review. URL: https://git.openjdk.org/jdk21u-dev/pull/232 Date: 2024-02-03 10:09:53 +0000
07-02-2024
[jdk21u-fix-request] Approval Request from Aleksey Shipilëv 8320582 Clean followup to JDK-8319777. Zero testing passes.
07-02-2024
Changeset: 06d957fd Author: Aleksey Shipilev <shade@openjdk.org> Date: 2023-11-23 08:20:38 +0000 URL: https://git.openjdk.org/jdk/commit/06d957fd7c1ff59f314315969a545a8f4a5137be
23-11-2023
A pull request was submitted for review. URL: https://git.openjdk.org/jdk/pull/16779 Date: 2023-11-22 10:33:24 +0000
22-11-2023