RFR: 8325821: [REDO] use "dmb.ishst+dmb.ishld" for release barrier [v5]

[kuaiwei]

On Fri, 31 May 2024 10:06:06 GMT, kuaiwei <duke at openjdk.org> wrote:

> > > > I can run the jcstress test. I will run fastdebug build with `java -jar jcstress-latest.jar -tb 24h` Is it the correct command >
> > > > Yes, I think so.
> > 
> > 
> > FTR, I ran Linux AArch64 server release on Graviton 3 instance (ergonomics selects `-AlwaysMergeDMB` there) for 12 hours. Apart from failures from [JDK-8332670](https://bugs.openjdk.org/browse/JDK-8332670), I see no other trouble. Scheduled a quick run with `+AlwaysMergeDMB` as well.
> 
> Thanks for testing. I'm running jcstress on a neoverse-n2 instance. I got some "soft errs" in console output. Are they real error?

My jcstress test is done and no error is reported.

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PR Comment: https://git.openjdk.org/jdk/pull/19278#issuecomment-2144394730