hg: jdk/jdk: 2 new changesets

[erik.osterlund at oracle.com]

Changeset: f45ffb4ea34e
Author:    eosterlund
Date:      2020-06-23 11:59 +0000
URL:       https://hg.openjdk.java.net/jdk/jdk/rev/f45ffb4ea34e

8247179: Mechanism for VM operations to not take part in safepoint coalescing
Reviewed-by: rehn, dholmes

! src/hotspot/share/runtime/safepoint.cpp
! src/hotspot/share/runtime/vmThread.cpp
! src/hotspot/share/runtime/vmThread.hpp

Changeset: c6c4f56a39f2
Author:    eosterlund
Date:      2020-06-23 11:59 +0000
URL:       https://hg.openjdk.java.net/jdk/jdk/rev/c6c4f56a39f2

8247319: Remove on-stack nmethod hotness counter sampling from safepoints
Reviewed-by: kvn, dholmes

! src/hotspot/share/code/nmethod.hpp
! src/hotspot/share/runtime/safepoint.cpp
! src/hotspot/share/runtime/sweeper.cpp
! src/hotspot/share/runtime/sweeper.hpp
! src/hotspot/share/runtime/vmOperations.hpp