RFR: 8262894: [macos_aarch64] SIGBUS in Assembler::ld_st2

Tue Mar 30 08:50:47 UTC 2021

On Tue, 30 Mar 2021 07:11:49 GMT, Anton Kozlov <akozlov at openjdk.org> wrote:

> I assume any VM entry code should have W^X transitions. 

That sounds very extreme to me. I guess it all depends on the cost of doing the transition.

I'm curious why the W^X transition isn't done only when accessing the code cache.

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PR: https://git.openjdk.java.net/jdk/pull/3241