RFR [8u]: Bulk backport to sh/jdk8u

[Christine Flood]

Other than copyright notices, which we need to talk about and fix in
another patch, this looks good to go.


Christine


On Mon, Oct 16, 2017 at 5:59 PM, Aleksey Shipilev <shade at redhat.com> wrote:

> http://cr.openjdk.java.net/~shade/shenandoah/backports/
> jdk8u-20171016/webrev.01/
>
> This change backports most of the outstanding work to sh/jdk8u. This is
> similar to pending backport
> to sh/jdk9, but for 8u.
>
> Changes include:
>
> rev 10139 : [backport] Remove ShenandoahGCWorkerPerJavaThread flag
> rev 10140 : [backport] Double check for UseShenandoahGC in WB expand
> rev 10141 : [backport] Verifier should print verification label at
> liveness verification
> rev 10142 : [backport] Mark bitmap slices commit/uncommit + Aggregated
> bitmap slicing
> rev 10143 : [backport] Fix (external) heap iteration + TestHeapDump should
> unlock aggressive heuristics
> rev 10144 : [backport] Pauses that do not affect heap occupancy should not
> report heap
> rev 10145 : [backport] Make sure -XX:+ShenandoahVerify comes first in the
> tests
> rev 10146 : [backport] Add -XX:+ShenandoahVerify to more interesting tests
> rev 10147 : [backport] Clean up dead code
>
> I had to rewrite the runner for TestHeapDump JVMTI test to make it
> runnable in 8u. Also,
> ShenandoahHeap needed touchups to implement oop_iterate properly.
>
> Again, I need sign-offs from everybody for this one too.
>
> Testing: hotspot_gc_shenandoah {fastdebug|release}
>
> Thanks,
> -Aleksey
>
>