RFR: 8358821: patch_verified_entry causes problems, use nmethod entry barriers instead [v9]

[Dean Long]

On Tue, 24 Jun 2025 03:21:39 GMT, Fei Yang <fyang at openjdk.org> wrote:

>> Dean Long has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains 16 commits:
>> 
>>  - Merge branch 'master' into 8358821-patch-verified-entry
>>  - 2nd try at arm fix
>>  - rename arm_with to guard_with
>>  - arm32 fix
>>  - s390 fix courtesy of Amit Kumar
>>  - remove is_sigill_not_entrant
>>  - more cleanup
>>  - more TheRealMDoerr suggestions
>>  - TheRealMDoerr suggestions
>>  - remove trailing space
>>  - ... and 6 more: https://git.openjdk.org/jdk/compare/6df0f5e3...a39c458c
>
> Just FYI: My local tier1-3 test on linux-riscv64 is good. And I didn't witness an obvious change on specjbb performance with g1gc.

Thanks @RealFYang.

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PR Comment: https://git.openjdk.org/jdk/pull/25764#issuecomment-3001102616