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

[Yasumasa Suenaga]

PING: could you approve 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/

We can still apply the webrev for head of 11u-dev, and I haven't heared any problem about this change on upstream.


Thanks,

Yasumasa


On 2020/09/11 9:25, Yasumasa Suenaga wrote:
> 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
>>>>>