RFR (S) 8064749: -XX:-UseCompilerSafepoints breaks safepoint rendezvous

[Daniel D. Daugherty]

On 11/13/14 5:41 AM, Aleksey Shipilev wrote:
> Hi,
>
> This is a patch that removes -XX:+-UseCompilerSafepoints from Hotspot:
>   https://bugs.openjdk.java.net/browse/JDK-8064749
>   http://cr.openjdk.java.net/~shade/8064749/webrev.01/

src/share/vm/runtime/arguments.cpp
     Not your problem, but that list is formatted quite
     inconsistently.

     It seems like new entries should be added at the bottom
     so your line 309 should be between these two lines:

     line 313: #endif // ZERO
     line 314:   { NULL, JDK_Version(0), JDK_Version(0) }

src/share/vm/runtime/globals.hpp
     No comments.

src/share/vm/runtime/safepoint.cpp
     No comments.


> Do I understand it right we need a CCC to remove the product flag?

Yes. Since this was a product flag, it needs a CCC to remove it.

Dan


>
> Testing: JPRT, vm.quick.testlist
>
> Thanks,
> -Aleksey.
>
>
>