Patch 2 fixes the problem, whereby threads were not being registered
but still happily used RCU. Patch 1 simplifies the registration by
making rcu_unregister_thread automatic. Patch 3 avoids having the
same bug in the future.
Paolo
Paolo Bonzini (3):
rcu: automatically unregister threads when they exit
rcu: actually register threads that have RCU read-side critical
sections
rcu: detect missing rcu_register_thread()
cpus.c | 6 ++++++
include/qemu/rcu.h | 4 +++-
iothread.c | 3 +++
migration/migration.c | 3 +++
tests/rcutorture.c | 10 ----------
tests/test-rcu-list.c | 2 ++
util/rcu.c | 30 ++++++++++++++++++++++++++++--
7 files changed, 45 insertions(+), 13 deletions(-)
--
2.4.3