Mercurial > hg > graal-compiler
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6940310: G1: MT-unsafe calls to CM::region_stack_push() / CM::region_stack_pop()
Summary: Calling the methods region_stack_push() and region_stack_pop() concurrent is not MT-safe. The assumption is that we will only call region_stack_push() during a GC pause and region_stack_pop() during marking. Unfortunately, we also call region_stack_push() during marking which seems to be introducing subtle marking failures. This change introduces lock-based methods for pushing / popping to be called during marking.
Reviewed-by: iveresov, johnc
author | tonyp |
---|---|
date | Mon, 05 Apr 2010 12:19:22 -0400 |
parents | e703499b4b51 |
children | a197210cb4ae 4ca65400aa33 |
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