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

[Aleksey Shipilev]

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