RFR: 8358821: patch_verified_entry causes problems, use nmethod entry barriers instead [v4]

[Dean Long]

On Mon, 16 Jun 2025 00:48:40 GMT, Erik Österlund <eosterlund at openjdk.org> wrote:

>> Dean Long has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   remove is_sigill_not_entrant
>
> src/hotspot/share/gc/z/zBarrierSetNMethod.cpp line 109:
> 
>> 107: }
>> 108: 
>> 109: void ZBarrierSetNMethod::arm_with(nmethod* nm, int value) {
> 
> I don't usually comment on names, but could we call this guard_with instead? We tried to stop saying "arm" about things used also for disarming and we have (hopefully) been consistent about calling that "guard" instead.

Good suggestion.  Fixed.

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PR Review Comment: https://git.openjdk.org/jdk/pull/25764#discussion_r2151070290