Ignore -Xgc:enableArrayletDoubleMapping silently - #18109
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Arraylet Double Mapping feature is not supported for all platforms. Current behaviour is return "unsupported option error". This prevents to use the same Java command line across platforms. New behaviour is to ignore -Xgc:enableArrayletDoubleMapping and -Xgc:disbleArrayletDoubleMapping silently on platforms where this feature is not supported. Signed-off-by: Dmitri Pivkine <Dmitri_Pivkine@ca.ibm.com>
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Ideally we should let isArrayletDoubleMapRequested be changed by cmdline option but leaving isArrayletDoubleMapAvailable false for unsupported platfroms, since from VGC it would be clear if it was supported or not (we report both of these flags there). But since it would be a larger scope of changes, and this feature is anyway to be deprecated eventually, I'm ok with this quick fix. |
amicic
approved these changes
Sep 11, 2023
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jenkins compile win jdk8 |
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jenkins compile aix jdk17 |
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Arraylet Double Mapping feature is not supported for all platforms. Current behaviour is return "unsupported option error". This prevents to use the same Java command line across platforms.
New behaviour is to ignore -Xgc:enableArrayletDoubleMapping and -Xgc:disbleArrayletDoubleMapping silently on platforms where this feature is not supported.