RFR: 8367993: G1: Speed up ConcurrentMark initialization [v2]

[Stefan Karlsson]

On Wed, 7 Jan 2026 12:33:41 GMT, Leo Korinth <lkorinth at openjdk.org> wrote:

>> Leo Korinth has updated the pull request incrementally with 561 additional commits since the last revision:
>> 
>>  - Merge branch 'master' into _8367993
>>  - 8366058: Outdated comment in WinCAPISeedGenerator
>>    
>>    Reviewed-by: mullan
>>  - 8357258: x86: Improve receiver type profiling reliability
>>    
>>    Reviewed-by: kvn, vlivanov
>>  - 8373704: Improve "SocketException: Protocol family unavailable" message
>>    
>>    Reviewed-by: lucy, jpai
>>  - 8373722: [TESTBUG] compiler/vectorapi/TestVectorOperationsWithPartialSize.java fails intermittently
>>    
>>    Reviewed-by: jiefu, jbhateja, erfang, qamai
>>  - 8343809: Add requires tag to mark tests that are incompatible with exploded image
>>    
>>    Reviewed-by: alanb, dholmes
>>  - 8374465: Spurious dot in documentation for JVMTI ClassLoad
>>    
>>    Reviewed-by: kbarrett
>>  - 8374317: Change GCM IV size to 12 bytes when encrypting/decrypting TLS session ticket
>>    
>>    Reviewed-by: djelinski, mpowers, ascarpino
>>  - 8374444: Fix simple -Wzero-as-null-pointer-constant warnings
>>    
>>    Reviewed-by: aboldtch
>>  - 8373847: Test javax/swing/JMenuItem/MenuItemTest/bug6197830.java failed because The test case automatically fails when clicking any items in the “Nothing” menu in all four windows (Left-to-right)-Menu Item Test and (Right-to-left)-Menu Item Test
>>    
>>    Reviewed-by: serb, aivanov, dnguyen
>>  - ... and 551 more: https://git.openjdk.org/jdk/compare/b907b295...0ece3767
>
> I will redo the merge, I have done something strange.

@lkorinth Something went wrong with your merge and now there's a bunch of unrelated labels, which results in updates being sent to misc mailing lists that has no interest in this PR. Could you remove all those labels?

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PR Comment: https://git.openjdk.org/jdk/pull/28723#issuecomment-3728642315