RFR: 8166811: Missing memory fences between memory allocation and refinement

[Yangfei (Felix)]

Hi,

> -----Original Message-----
> From: jdk8u-dev [mailto:jdk8u-dev-retn at openjdk.java.net] On Behalf Of
> Andrew Haley
> Sent: Thursday, January 14, 2021 6:25 PM
> To: jdk8u-dev at openjdk.java.net
> Subject: Re: RFR: 8166811: Missing memory fences between memory
> allocation and refinement
> 
> On 1/14/21 6:29 AM, Yangfei (Felix) wrote:
> > Webrev for 8u: http://cr.openjdk.java.net/~fyang/8259659/webrev.00/
> >
> > Performed two rounds of jtreg testing: first round without extra option and
> second round with -XX:+UseG1GC option.
> > Also performed two rounds of specjbb2015 with -XX:+UseG1GC.
> > OK to backport?
> 
> Crikey, that's a big change. I guess we should be pretty safe, given that the
> original patch was for JDK 9. Have any problems ever been observed on JDK 8?

Thanks for the reply.  I agree it's not a trivial change. 
This is not biting me for now when using JDK 8.  And I guess it would be hard to trigger. 
I can leave it aside if it doesn't worth the risk for JDK 8. 

Best Regards,
Felix