Details
Description
Running application with option "-XX:+UseBarriersForVolatile" might have memory consistent issue like that mentioned in JDK-8241137. Since "ldar/stlr" can work well stably, we'd better simply things by removing this flag and the alternative implementation for volatile memory access.
More detail discussion could be found from the two threads:
http://mail.openjdk.java.net/pipermail/aarch64-port-dev/2020-March/008679.html
http://mail.openjdk.java.net/pipermail/aarch64-port-dev/2020-April/008706.html
More detail discussion could be found from the two threads:
http://mail.openjdk.java.net/pipermail/aarch64-port-dev/2020-March/008679.html
http://mail.openjdk.java.net/pipermail/aarch64-port-dev/2020-April/008706.html
Attachments
Issue Links
- csr for
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JDK-8243456 AArch64: Obsolete UseBarriersForVolatile option
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- Closed
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- duplicates
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JDK-8241137 AArch64: Volatile accesses are not sequentially consistent with VM option "-XX:+UseBarriersForVolatile"
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- Closed
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