RFR: 8201362: Remove CollectedHeap::barrier_set()

[Thomas Stüfe]

Hi Per,

I did build on AIX and linux s390 with your patch, builds are okay.
Thanks for waiting!

..Thomas

On Thu, Apr 12, 2018 at 11:17 AM, Thomas Stüfe <thomas.stuefe at gmail.com> wrote:
> Sure, give me a minute...
>
> ..Thomas
>
> On Thu, Apr 12, 2018 at 11:17 AM, Per Liden <per.liden at oracle.com> wrote:
>> Ok, thanks Thomas!
>>
>> Do you want to double check that 8201362 doesn't break more stuff before I
>> push it, or are we good to go?
>>
>> /Per
>>
>>
>> On 04/12/2018 11:13 AM, Thomas Stüfe wrote:
>>>
>>> I pushed 8201475, all good now. Thanks.
>>>
>>> On Thu, Apr 12, 2018 at 11:02 AM, Thomas Stüfe <thomas.stuefe at gmail.com>
>>> wrote:
>>>>
>>>> Hi Per,
>>>>
>>>> took a quick stab in the dark at
>>>> src/hotspot/cpu/s390/templateTable_s390.cpp and it seems to miss, at
>>>> first glance, barrierSet.hpp.
>>>>
>>>> Since ppc, s390 and aarch64 are already broken, could we please delay
>>>> pushing this until 8201475 is resolved? An hour or so?
>>>>
>>>> Thanks, Thomas
>>>>
>>>> On Thu, Apr 12, 2018 at 10:48 AM, Roman Kennke <rkennke at redhat.com>
>>>> wrote:
>>>>>
>>>>> Am 12.04.2018 um 10:31 schrieb Aleksey Shipilev:
>>>>>>
>>>>>> On 04/12/2018 10:26 AM, Per Liden wrote:
>>>>>>>
>>>>>>> This patch removes the redundant CollectedHeap::_barrier_set and the
>>>>>>> setter/getter. Throughout the code, we currently have a mix of calls
>>>>>>> to BarrierSet::barrier_set()
>>>>>>> and Universe::heap()->barrier_set(). This patch unifies all that to
>>>>>>> always use
>>>>>>> BarrierSet::barrier_set().
>>>>>>>
>>>>>>> Bug: https://bugs.openjdk.java.net/browse/JDK-8201362
>>>>>>> Webrev: http://cr.openjdk.java.net/~pliden/8201362/webrev.0
>>>>>>
>>>>>>
>>>>>> Yes, please. This looks trivial.
>>>>>>
>>>>>> (If we are pushing this today, it is better to do this early, so we
>>>>>> would be able to catch up with
>>>>>> build errors before jdk/hs closing today)
>>>>>>
>>>>>
>>>>> I wouldn't say it's trivial ;-) But the change looks good to me too and
>>>>> is welcome. Thank you!
>>>>>
>>>>> Roman
>>>>>
>>>>>
>>