RFR (M) 8169061: Drop os::is_MP checks from Atomics

[David Holmes]

On 26/04/2017 5:08 PM, Aleksey Shipilev wrote:
> Thanks! Would you mind sponsoring it?

No problem.

David

> Changeset:
>   http://cr.openjdk.java.net/~shade/8169061/hotspot.changeset
>
> -Aleksey
>
> On 04/26/2017 08:42 AM, David Holmes wrote:
>> Looks fine to me!
>>
>> Thanks,
>> David
>> -----
>>
>> On 26/04/2017 4:36 PM, Aleksey Shipilev wrote:
>>> On 04/26/2017 05:29 AM, David Holmes wrote:
>>>> One oversight in atomic_bsd_x86.hpp:
>>>>
>>>>  118 inline void Atomic::inc_ptr(volatile intptr_t* dest) {
>>>>  119   __asm__ __volatile__ (  "lock addq $1,(%0)"
>>>>  120                         :
>>>>  121                         : "r" (dest), "r" (mp)
>>>>
>>>> Forgot to delete "mp" reference.
>>>>
>>>> Also copyright years need updating.
>>>
>>> Right, thanks for running it!
>>>
>>> I think I captured everything in here:
>>>   http://cr.openjdk.java.net/~shade/8169061/webrev.02/
>>>
>>> Thanks,
>>> -Aleksey
>>>
>
>