[11u] RFR: 8250598: Hyper-V is detected in spite of running on host OS

[Lindenmaier, Goetz]

Hi,

Yes, I also think this can go to 11.0.10.
Looks good, reviewed. And passed our tests.

Best regards,
  Goetz.

> -----Original Message-----
> From: jdk-updates-dev <jdk-updates-dev-retn at openjdk.java.net> On Behalf
> Of Yasumasa Suenaga
> Sent: Friday, September 11, 2020 2:26 AM
> To: Yasumasa Suenaga <yasuenag at gmail.com>
> Cc: Langer, Christoph <christoph.langer at sap.com>; Baesken, Matthias
> <matthias.baesken at sap.com>; jdk-updates-dev at openjdk.java.net
> Subject: Re: [11u] RFR: 8250598: Hyper-V is detected in spite of running on
> host OS
> 
> Hi all,
> 
> I think this change for 11u is ready to review.
> I haven't heard any problems on jdk/jdk.
> 
> Could you review it?
> 
> >>>>       JBS: https://bugs.openjdk.java.net/browse/JDK-8250598
> >>>>       Original fix: https://hg.openjdk.java.net/jdk/jdk/rev/80c95309a924
> >>>>       webrev for 11u: http://cr.openjdk.java.net/~ysuenaga/JDK-
> 8250598/jdk11u/webrev.00/
> 
> 
> Thanks,
> 
> Yasumasa
> 
> 
> On 2020/08/31 20:02, Yasumasa Suenaga wrote:
> > Hi Christoph,
> >
> > JDK 11 is LTS version, so we might see hs_err logs which relates to this fix in
> production system. It is the reason why I want to backport it to 11.0.9 if
> possible.
> >
> > OTOH it is not so critical and JDK 11 will enter rampdown, I understand that
> we have to be careful.
> > I will comply the timing when "jdk11u-fix-yes" is added to JBS.
> >
> >
> > Thanks,
> >
> > Yasumasa
> >
> >
> > On 2020/08/31 19:04, Langer, Christoph wrote:
> >> Hi Yasumasa,
> >>
> >> is there any specific reason why it should be part of 11.0.9?
> >>
> >> Without having more detailed knowledge of the matter, I'd say it's
> cautious enough to postpone this backport to 11.0.10, given that we're
> about to enter rampdown...
> >>
> >> Best regards
> >> Christoph
> >>
> >>> -----Original Message-----
> >>> From: jdk-updates-dev <jdk-updates-dev-retn at openjdk.java.net> On
> >>> Behalf Of Yasumasa Suenaga
> >>> Sent: Freitag, 28. August 2020 10:02
> >>> To: Baesken, Matthias <matthias.baesken at sap.com>; Yasumasa
> Suenaga
> >>> <yasuenag at gmail.com>; jdk-updates-dev at openjdk.java.net
> >>> Subject: Re: [11u] RFR: 8250598: Hyper-V is detected in spite of running
> on
> >>> host OS
> >>>
> >>> Hi Matthias,
> >>>
> >>> On 2020/08/28 16:22, Baesken, Matthias wrote:
> >>>> Hi Yasumasa ,I suggest to let the  change  "rest"  in  jdk/jdk for  a couple
> of
> >>> weeks  before  going for downports .
> >>>> (not saying that downporting it is a bad thing)
> >>>
> >>> I understand what you say, but I want to backport it to 11.0.9 if possible.
> >>> 11.0.9 will enter rampdown in 1 Sep...
> >>>
> >>>
> >>> Thanks,
> >>>
> >>> Yasumasa
> >>>
> >>>
> >>>> Best regards, Matthias
> >>>>
> >>>> -----Original Message-----
> >>>> From: Yasumasa Suenaga <yasuenag at gmail.com>
> >>>> Sent: Freitag, 28. August 2020 02:55
> >>>> To: jdk-updates-dev at openjdk.java.net
> >>>> Cc: Baesken, Matthias <matthias.baesken at sap.com>
> >>>> Subject: [11u] RFR: 8250598: Hyper-V is detected in spite of running on
> host
> >>> OS
> >>>>
> >>>> Hi all,
> >>>>
> >>>> Please approve backport of JDK-8250598:
> >>>>
> >>>>       JBS: https://bugs.openjdk.java.net/browse/JDK-8250598
> >>>>       Original fix: https://hg.openjdk.java.net/jdk/jdk/rev/80c95309a924
> >>>>       webrev for 11u: http://cr.openjdk.java.net/~ysuenaga/JDK-
> >>> 8250598/jdk11u/webrev.00/
> >>>>
> >>>> The patch does not apply cleanly on 11u due to additional
> enhancements to
> >>> x86 / x86_64 processors.
> >>>> So I've prepared another webrev for 11u.
> >>>>
> >>>>
> >>>> Thanks,
> >>>>
> >>>> Yasumasa
> >>>>