RFR: 8168914: Crash in ClassLoaderData/JNIHandleBlock::oops_do during concurrent marking

[Kim Barrett]

src/share/vm/classfile/classLoaderData.hpp
 179     // Only one thread can add a time, guarded by the Metaspace_lock.

Only one thread at a time time can add?

> On Feb 16, 2017, at 9:13 AM, Erik Helin <erik.helin at oracle.com> wrote:
> 
> On 02/15/2017 10:08 PM, coleen.phillimore at oracle.com wrote:
>> Hi Erik,
> 
> Hey Coleen, thanks for reviewing! Please see new webrevs at:
> - incremental: http://cr.openjdk.java.net/~ehelin/8168914/01-02/
> - full: http://cr.openjdk.java.net/~ehelin/8168914/02/
>