RFR [8u40] 8048268, 8057722 Code root migration

[Bengt Rutisson]

Hi Mikael,

On 2014-09-17 09:07, Mikael Gerdin wrote:
> Hi all,
>
> I'd like to backport 8048268 and the related bugfix 8057722 to 8u40 to reduce
> the performance impact of code root migration.
>
> The original patch for 8048268 did not apply cleanly due to some spelling and
> style changes.
>
> These changes depend on 8056084 which is out for review on hotspot-dev.
> I plan to push these changes together once they're through review.
>
> Review threads:
> http://mail.openjdk.java.net/pipermail/hotspot-gc-dev/2014-August/010582.html
> http://mail.openjdk.java.net/pipermail/hotspot-gc-dev/2014-September/010709.html
>
> Bugs:
> https://bugs.openjdk.java.net/browse/JDK-8048268

I didn't look through all the changes for 8048268. When I tried the 
backport myself the only conflict I got was the spelling fix of 
"successfully" in g1CollectedHeap.hpp. If that was the only conflict you 
got then your backport looks good.

> https://bugs.openjdk.java.net/browse/JDK-8057722

Looks good.

Bengt

>
> Webrevs:
> http://cr.openjdk.java.net/~mgerdin/8048268/8u/webrev/
> http://cr.openjdk.java.net/~mgerdin/8057722/8u/webrev/
>
> /Mikael