[jdk17] RFR: 8269240: java/foreign/stackwalk/TestAsyncStackWalk.java test failed with concurrent GC [v2]

[David Holmes]

On Thu, 15 Jul 2021 10:47:17 GMT, Jorn Vernee <jvernee at openjdk.org> wrote:

>> src/hotspot/share/prims/universalUpcallHandler.cpp line 121:
>> 
>>> 119:   }
>>> 120: 
>>> 121:   MACOS_AARCH64_ONLY(thread->enable_wx(WXExec));
>> 
>> Not clear why this is needed? JavaCallWrapper doesn't use it.
>
> I took this from JavaCallWrapper. Seems to have been added in 17 for the mach aarch64 port: https://github.com/openjdk/jdk17/blame/a32d2eefea12771522b942b32985df0fe50119e8/src/hotspot/share/runtime/javaCalls.cpp#L112

Sorry not sure what I was looking at when I didn't see this.

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PR: https://git.openjdk.java.net/jdk17/pull/149