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

[Langer, Christoph]

Hi,

thanks for reviewing (and testing), Goetz �� I have approved the backport then.

Cheers
Christoph

> -----Original Message-----
> From: Lindenmaier, Goetz <goetz.lindenmaier at sap.com>
> Sent: Montag, 5. Oktober 2020 08:58
> To: 'Yasumasa Suenaga' <suenaga at oss.nttdata.com>; 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,
> 
> 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
> > >>>>