RFR: 8168914: Crash in ClassLoaderData/JNIHandleBlock::oops_do during concurrent marking (original) (raw)

Erik Helin erik.helin at oracle.com
Tue Feb 21 15:49:14 UTC 2017

On 02/21/2017 02:57 AM, Kim Barrett wrote:

On Feb 20, 2017, at 5:52 PM, David Holmes <david.holmes at oracle.com> wrote:

02 -> 03: - Only use loadacquire when reading the size for the "head" chunk

Sorry but I don't like the way this is done - the conditional may end up being more expensive than the unnecessary load-acquire. Unrolling the first loop iteration, as per the email discussion, is a better way to go IMO. +1

David, Kim, please see new patches at:

Thanks, Erik

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