[11u] RFR: 8173361: various crashes in JvmtiExport::post_compiled_method_load

[Lindenmaier, Goetz]

Hi Martin, 

Thanks for pointing me to that change. I requested
Downport for it and will push them together.

Best regards,
  Goetz.

> -----Original Message-----
> From: Doerr, Martin <martin.doerr at sap.com>
> Sent: Friday, November 13, 2020 4:38 PM
> To: Lindenmaier, Goetz <goetz.lindenmaier at sap.com>; jdk-updates-
> dev at openjdk.java.net
> Subject: RE: [11u] RFR: 8173361: various crashes in
> JvmtiExport::post_compiled_method_load
> 
> Please make sure to check all follow-up fixes before pushing. I think we need
> to request backport of the following one, too:
> https://bugs.openjdk.java.net/browse/JDK-8235218
> 
> Best regards,
> Martin
> 
> 
> > -----Original Message-----
> > From: Doerr, Martin
> > Sent: Freitag, 13. November 2020 16:06
> > To: Lindenmaier, Goetz <goetz.lindenmaier at sap.com>; jdk-updates-
> > dev at openjdk.java.net
> > Subject: RE: [11u] RFR: 8173361: various crashes in
> > JvmtiExport::post_compiled_method_load
> >
> > Hi Götz,
> >
> > backport looks good.
> >
> > Thanks,
> > Martin
> >
> >
> > > -----Original Message-----
> > > From: jdk-updates-dev <jdk-updates-dev-retn at openjdk.java.net> On
> > > Behalf Of Lindenmaier, Goetz
> > > Sent: Freitag, 6. November 2020 08:45
> > > To: jdk-updates-dev at openjdk.java.net
> > > Subject: [11u] RFR: 8173361: various crashes in
> > > JvmtiExport::post_compiled_method_load
> > >
> > > Hi,
> > >
> > > I downport this for parity with 11.0.10-oracle.
> > > The code does not fit very well.
> > > I removed a guarantee because is_unloading() does not exist in 11.
> > > I turned some MutexLocker to MutexLockerEx which takes the
> > > Mutex::_no_safepoint_check_flag enum argument.
> > >
> > > http://cr.openjdk.java.net/~goetz/wr20/8173361-
> post_compiled_method-
> > > jdk11/01/webrev/
> > >
> > > Please review.
> > >
> > > There are some follow up changes for jvmti which all need similar
> > adaptions.
> > >
> > > https://bugs.openjdk.java.net/browse/JDK-8173361
> > > https://hg.openjdk.java.net/jdk/jdk/rev/e79ece2eb1ba
> > >
> > > Best regards,
> > >   Goetz