RFR 8146991: Introduce per-worker preserved mark stacks in ParallelGC

[Thomas Schatzl]

Hi,

On Fri, 2016-03-04 at 17:52 +0100, Thomas Schatzl wrote:
> Hi,
> 
> On Fri, 2016-03-04 at 11:14 -0500, Tony Printezis wrote:
> > Thomas,
> > 
> > I confirmed that the code below was incorrect and doing the
> > addition
> > before calling restore() fixes the issue. Latest webrev here:
> > 
> > http://cr.openjdk.java.net/~tonyp/8146991/webrev.2/
> > 
> 
>   looks good to me. JPRT has been fine, although I messed up running
> the other tests - I forgot to specify ParallelGC as collector to use.
> 
> I will redo that on Monday. I do not expect any issues.

Looks all good. I will wait one or two days to push for any potential
additional reviews.

Thanks,
  Thomas