[URGENT] [8u] Backout "MetadataOnStackMark::record() is not MT-safe"

[Zhengyu Gu]

Looks good.

Thanks,

-Zhengyu

On 10/7/21 08:22, Aleksey Shipilev wrote:
> There is a hard requirement for 8u-aarch64 integration that any 
> non-mainline patch in shared code
> was either trivial, or be obviously Shenandoah-specific. This patch was 
> the attempt to fix the bug, and it still does not work. Therefore we are 
> better to backout it completely.
> 
> This blocks 8u integration.
> 
> 8u webrev:
>    
> https://cr.openjdk.java.net/~shade/shenandoah/8u-backout-metadata/webrev.01/ 
> 
> 
> This is a clean backout of:
>    https://hg.openjdk.java.net/shenandoah/jdk8/hotspot/rev/b261d2db2ea2
> 
> Testing: hotspot_gc_shenandoah
>