[8u60] RFR backport of 8065358: Refactor G1s usage of save_marks and reduce related races

[Jesper Wilhelmsson]

Looks good.
/Jesper

Thomas Schatzl skrev den 24/3/15 15:49:
> Hi all,
>
>    can I have reviews for the backport of "8065358: Refactor G1s usage of
> save_marks and reduce related races" to 8u60?
>
> It is a change that eases backporting the next change, 8060025.
>
> It did only apply with minor changes, so I need re-reviews. The problem
> has been that in jdk9 isHumongous() (and friends) have been renamed to
> is_humongous() (in g1Allocator.cpp), and there is a typo fix in a
> comment (behaviour -> behavior, second hunk in heapRegion.cpp).
>
> Full 8u60 changeset:
> http://cr.openjdk.java.net/~tschatzl/8065358-8u60/webrev.8u60/
> Diff changest:
> http://cr.openjdk.java.net/~tschatzl/8065358-8u60/webrev.8u60.fix/
>
> CR:
> https://bugs.openjdk.java.net/browse/JDK-8065358
>
> Original change:
> http://hg.openjdk.java.net/jdk9/jdk9/hotspot/rev/760030342f09
>
> Testing: jprt
>
> Thanks,
>    Thomas
>
>