hg: jdk/submit: 8132849: Increased stop time in cleanup phase because of single-threaded walk of thread stacks in NMethodSweeper::mark_active_nmethods()

[roman at kennke.org]

Changeset: e1b5948b79c0
Author:    rkennke
Date:      2018-09-24 18:44 +0200
URL:       http://hg.openjdk.java.net/jdk/submit/rev/e1b5948b79c0

8132849: Increased stop time in cleanup phase because of single-threaded walk of thread stacks in NMethodSweeper::mark_active_nmethods()

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