RFR [8u40] 8048268, 8057722 Code root migration

[Mikael Gerdin]

On Monday 22 September 2014 12.56.29 Bengt Rutisson wrote:
> Hi Mikael,

Thanks Bengt, Thomas for the reviews. I'm all set to push this now.

/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.h
> > tml
> > http://mail.openjdk.java.net/pipermail/hotspot-gc-dev/2014-September/0107
> > 09.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