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Type: Bug
Resolution: Fixed
Priority: P4
Fix Version/s: 9
Affects Version/s: None
Component/s: hotspot
Labels:
- noreg-hard

Subcomponent:
compiler
Resolved In Build:
b89
CPU:

aarch64

Issue	Fix Version	Assignee	Priority	Status	Resolution	Resolved In Build
JDK-8142637	emb-9	Andrew Haley	P4	Resolved	Fixed	team
JDK-8260748	openjdk8u292	Andrew Hughes	P4	Resolved	Fixed	b01

While we have StoreStore barriers to keep card table updates in the right place in C2, we do not have them in C1 or in the interpreter. This is a window in which concurrent marking the old generation may see a null pointer instead of a real object pointer and miss marking an object.

backported by

JDK-8142637 AARCH64: Missing memory barriers for CMS collector

Resolved

JDK-8260748 AARCH64: Missing memory barriers for CMS collector

Resolved

duplicates

JDK-8138891 C1: Missing release memory barrier in C1's CMS post-barrier

Closed

relates to

JDK-8129325 UseCondCardMark broken in conjunction with CMS on SPARC

Closed

JDK-8257192 Integrate AArch64 JIT port into 8u

Resolved

Assignee:: Andrew Haley

Reporter:: Andrew Haley

Votes:: 0 Vote for this issue

Watchers:: 3 Start watching this issue

Created:: 2015-09-03 08:51

Updated:: 2021-02-01 12:05

Resolved:: 2015-09-24 07:21

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