On Thu, 11 Mar 2021 20:27:51 GMT, Stefan Karlsson <stef...@openjdk.org> wrote:
>> The thread_bsd_aarch64.hpp describes a part of JavaThread, while this block >> belongs to Thread for now. Since W^X is an attribute of any operating system >> thread, I assumed Thread to be the right place for W^X bookkeeping. >> >> In most cases, we manage W^X state of JavaThread. But sometimes a GC thread >> needs the WXWrite state, or safefetch is called from non-JavaThread. >> Probably this can be dealt with (e.g. GCThread to always have the WXWrite >> state). But such change would be much more than a simple refactoring and it >> would require a significant amount of testing. Ideally, I would like to >> investigate this as a follow-up change, or at least after other fixes to >> this PR. > > Good point about Thread vs JavaThread. Yes, this can be looked into as > follow-up cleanups. The enhancement is tracked in https://bugs.openjdk.java.net/browse/JDK-8263492 ------------- PR: https://git.openjdk.java.net/jdk/pull/2200
