Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

[GC] Backport 8164948: Initializing stores of HeapRegions are not ordered with regards to their use in G1ConcurrentMark #155

Closed
tanghaoth90 opened this issue Dec 15, 2020 · 0 comments
Closed

[GC] Backport 8164948: Initializing stores of HeapRegions are not ordered with regards to their use in G1ConcurrentMark #155

tanghaoth90 opened this issue Dec 15, 2020 · 0 comments

Comments

@tanghaoth90
Copy link
Collaborator

tanghaoth90 commented Dec 15, 2020 •
edited

Description
Add a storestore barrier before publishing newly initialized
HeapRegion instances, and place a loadload barrier before use of
members.

Steps to Reproduce
see https://bugs.openjdk.java.net/browse/JDK-8164948

Expected behavior
pass G1 tests

JDK version
N/A

Execution environment

  • OS and version:
  • CPU model:
  • Number of CPU cores:
  • Size of physical memory:
  • Inside Linux container?
    • Linux container name (docker, pouch, etc):
    • Linux container version:
tanghaoth90 pushed a commit to tanghaoth90/dragonwell8_hotspot that referenced this issue Dec 15, 2020
[GC] Backport 8164948: Initializing stores of HeapRegions are not ord…
14e58df 
…ered with regards to their use in G1ConcurrentMark

Summary: Add a storestore barrier before publishing newly initialized
HeapRegion instances, and place a loadload barrier before use of
members. (http://hg.openjdk.java.net/jdk9/jdk9/hotspot/rev/cd2c49a02a4c)

Test Plan: hotspot/test/gc/g1

Reviewed-by: linade, mmyxym

Issue: dragonwell-project/dragonwell8#155
@tanghaoth90 tanghaoth90 mentioned this issue Dec 15, 2020
Merged
tanghaoth90 pushed a commit to dragonwell-project/dragonwell8_hotspot that referenced this issue Dec 15, 2020
@tanghaoth90
[GC] Backport 8164948: Initializing stores of HeapRegions are not ord…
a967f19 
…ered with regards to their use in G1ConcurrentMark

Summary: Add a storestore barrier before publishing newly initialized
HeapRegion instances, and place a loadload barrier before use of
members. (http://hg.openjdk.java.net/jdk9/jdk9/hotspot/rev/cd2c49a02a4c)

Test Plan: hotspot/test/gc/g1

Reviewed-by: linade, mmyxym

Issue: dragonwell-project/dragonwell8#155
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Assignees
No one assigned
Labels
None yet
Projects
None yet
Milestone
No milestone
Development

No branches or pull requests
1 participant
@tanghaoth90