review request -- JDK-8011064 Some tests have failed with SIGSEGV on arm-hflt on build b82

[JOSEPH PROVINO]

Latest webrev is here: 
http://cr.openjdk.java.net/~jprovino/8011064/webrev.03

I added a comment that David Holmes suggested.

joe

On 5/22/2013 11:16 AM, JOSEPH PROVINO wrote:
> Latest webrev is here: 
> http://cr.openjdk.java.net/~jprovino/8011064/webrev.02
>
> joe
>
>
> On 5/22/2013 12:43 AM, David Holmes wrote:
>> Just for the benefit of others watching this, the undef approach is 
>> not ideal and there's another alternative in the pipeline.
>>
>> David
>>
>> On 22/05/2013 5:55 AM, JOSEPH PROVINO wrote:
>>> New webrev is here:
>>>
>>> http://cr.openjdk.java.net/~jprovino/8011064/webrev.01/
>>>
>>> joe
>>>
>>> On 5/21/2013 1:57 PM, JOSEPH PROVINO wrote:
>>>> That's a good solution.  Is there any reason NMT_detail_supported
>>>> can't be made const or
>>>> better yet eliminate the variable and just use if
>>>> (PLATFORM_NMT_DETAIL_SUPPORTED) ?
>>>>
>>>> joe
>>>>
>>>> On 5/20/2013 6:02 PM, BILL PITTORE wrote:
>>>>>  Maybe something like I did for SUPPORTS_NATIVE_CX8. This gets
>>>>> defined in globalDefinitions_<cpu>.hpp.
>>>>> In this situation maybe something like:
>>>>>
>>>>> memTracker.cpp
>>>>>   bool NMT_detail_supported = PLATFORM_NMT_DETAIL_SUPPORTED;
>>>>>
>>>>> then in globalDefinitions_<cpu>.hpp
>>>>>
>>>>> #define PLATFORM_NMT_DETAIL_SUPPORTED {true | false} as the case 
>>>>> may be.
>>>>>
>>>>> Then you eliminate the need to add code to pd_initialize()
>>>>>
>>>>> bill
>>>>>
>>>>> On 5/20/2013 3:26 PM, JOSEPH PROVINO wrote:
>>>>>> Make it easy to disable NMT detail in platform specific code.
>>>>>>
>>>>>> A new variable NMT_detail_supported is defined and set to true.
>>>>>> It can be disabled in platform specific code as needed.
>>>>>>
>>>>>> Webrev is here: http://cr.openjdk.java.net/~jprovino/8011064/webrev/
>>>>>>
>>>>>> JDK-8011064 <https://jbs.oracle.com/bugs/browse/JDK-8011064>Some
>>>>>> tests have failed with SIGSEGV on arm-hflt on build b82
>>>>>> <https://jbs.oracle.com/bugs/browse/JDK-8011064>
>>>>>
>>>>>
>>>>
>>>
>