[11u Communication] jdk11u forest

Lindenmaier, Goetz goetz.lindenmaier at sap.com
Thu Sep 20 05:58:41 UTC 2018


I share the concerns about rule 3 in a LTE release.
E.g., we would like to fix the s390 port to support 
JFR. This can not be considered a P1 bug. Another
candidate is change "8207343: Automate vtable/itable 
stub size calculation" which fixes issues in the jdk11 
dbg build.

To jdk8, a row of intrinsics were downported that
brought significant performance gains, similar issues
will come up with jdk11.

Best regards,

> -----Original Message-----
> From: jdk-updates-dev <jdk-updates-dev-bounces at openjdk.java.net> On
> Behalf Of Martin Buchholz
> Sent: Thursday, September 20, 2018 1:16 AM
> To: Rob McKenna <rob.mckenna at oracle.com>
> Cc: jdk-updates-dev at openjdk.java.net
> Subject: Re: [11u Communication] jdk11u forest
> Thanks for creating jdk11u.  I'm happy it got created before jdk
> 11.0.0 GA, so backports from jdk head already have a place to soak.
> Things I'd like to see improved:
> - Rule 3 is too restrictive. P1 is too high a bar.  It appears that
> jdk11 will have long-term broad ecosystem support, and any backports
> that make sense for a long lived stable release should be accepted.
> (But how to decide whether the risk is worth the benefit?!  Humans
> will have to make tough decisions)
> - While it is understandable that the contents of security patches
> must be kept private, the security patches will likely be released
> along with garden variety bug fixes in jdk11u, and so the schedule for
> the 10.0.1 and 10.0.2 mini-trains should be public (e.g. I don't know
> what is the deadline to get fixes into 10.0.1).
> - The process documented at
> http://openjdk.java.net/projects/jdk-updates/approval.html is still
> not as clear as I'd like.  Can backports be handled entirely without
> needing to send emails to jdk-updates-dev?
> On Wed, Sep 12, 2018 at 12:57 PM, Rob McKenna <rob.mckenna at oracle.com>
> wrote:
> > I'd like to announce the availibility of the JDK 11 Updates forest at:
> >
> > http://hg.openjdk.java.net/jdk-updates/jdk11u/
> >
> > As with JDK9u & JDK10u, this forest has been opened under the jdk-
> updates
> > project.
> >
> > As with jdk10u, once the fix has been approved [1] for inclusion in an
> > update release and has subsequently been pushed to the open repo, a
> backport
> > record will be created for a specific release. (e.g. 11.0.1)
> >
> >     -Rob
> >
> > [1] http://openjdk.java.net/projects/jdk-updates/approval.html
> >

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