[jdk21u-dev] RFR: 8340547: Starting many threads can delay safepoints [v3]

[Sergey Nazarkin]

On Fri, 1 Aug 2025 16:08:32 GMT, Oli Gillespie <ogillespie at openjdk.org> wrote:

>> Sergey Nazarkin has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains four commits:
>> 
>>  - Merge branch 'master' of https://git.openjdk.org/jdk21u-dev into JDK-8340547_backport
>>  - NULL -> nullptr
>>  - Fix absence of ConditionalMutexLocker
>>  - Backport e704c055a4cf2aab77cc2b3d034f5a8b8d9e3331
>
> src/hotspot/share/runtime/globals.hpp line 1996:
> 
>> 1994:           "Use an extra lock during Thread start and exit to alleviate"     \
>> 1995:           "contention on Threads_lock.")                                    \
>> 1996:   product(bool, UseSecondarySupersCache, true, DIAGNOSTIC,                  \
> 
> The merge has messed with the spacing here.

Thanks, fixed

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PR Review Comment: https://git.openjdk.org/jdk21u-dev/pull/1365#discussion_r2248358648