RFR: 8328306: AArch64: MacOS lazy JIT "write xor execute" switching [v2]

[Dean Long]

On Tue, 12 Aug 2025 09:50:47 GMT, Andrew Dinn <adinn at openjdk.org> wrote:

>> Andrew Haley has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Update src/hotspot/os_cpu/bsd_aarch64/os_bsd_aarch64.cpp
>>   
>>   Co-authored-by: Bernhard Urban-Forster <lewurm at gmail.com>
>
> src/hotspot/share/runtime/threads.cpp line 599:
> 
>> 597:   }
>> 598: 
>> 599:   MACOS_AARCH64_ONLY(os::current_thread_enable_wx(WXWrite));
> 
> I think for clarity this call should really precede the call to init_globals() a few lines up.
> 
> That function calls, amongst other things, codeCache_init() then VM_Version_init() and the latter may need to write into the code cache for some architectures.

There is already a call at line 465, so this one is redundant.

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PR Review Comment: https://git.openjdk.org/jdk/pull/26562#discussion_r2280046606