[11u] RFR: 8208677: Move inner metaspace cleaning out of class unloading

[Andrew Haley]

On 23/09/2020 22:09, Ekaterina Vergizova wrote:
> I would like to backport 8208677 to 11u as a prerequisite for 8210422.
> 8210422 fixes the crash described in 8251945 that is already fixed in 11.0.10-oracle.
> The full list of suggested prerequisites is specified in [1].
> 
> JBS: https://bugs.openjdk.java.net/browse/JDK-8208677
> Original patch: http://hg.openjdk.java.net/jdk/jdk/rev/aa3bfacc912c
> Webrev for 11u: https://cr.openjdk.java.net/~apetushkov/8208677/webrev.00/
> 
> The patch applies almost cleanly except for the change in src/hotspot/share/code/nmethod.cpp.
> It is already included in 11u by 8220718.
> 
> Tested with tier1; the full list of backports specified in [1] is tested with full regression.

This is turning into a maze of twisty passages. It does looks to me
like we should try to fix this without importing such a long list of
dependencies.

-- 
Andrew Haley  (he/him)
Java Platform Lead Engineer
Red Hat UK Ltd. <https://www.redhat.com>
https://keybase.io/andrewhaley
EAC8 43EB D3EF DB98 CC77 2FAD A5CD 6035 332F A671