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

[Yasumasa Suenaga]

Thanks Goetz and Christoph!
I will push it to jdk11u-dev later.


Yasumasa


On 2020/10/05 16:00, Langer, Christoph wrote:
> 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
>>>>>>>