On Thu, 4 Feb 2021 23:05:56 GMT, Gerard Ziemski <gziem...@openjdk.org> wrote:
>> Anton Kozlov has updated the pull request incrementally with six additional >> commits since the last revision: >> >> - Merge remote-tracking branch 'origin/jdk/jdk-macos' into jdk-macos >> - Add comments to WX transitions >> >> + minor change of placements >> - Use macro conditionals instead of empty functions >> - Add W^X to tests >> - Do not require known W^X state >> - Revert w^x in gtests > > I reviewed bsd_aarch64.cpp digging bit deeper and left some comments. > > Umm, so how does patching work? We don't even know if other threads are > > executing the code we need to patch. > > I thought java can handle that scenario in usual (non W^X systems) just fine, > so we just believe jvm did everything right and it's safe to rewrite some > code at specific moment. Got it, OK. ------------- PR: https://git.openjdk.java.net/jdk/pull/2200
