The modification of PF_IDLE semantics lately to fix a bug in rcutiny
eventually introduced new bugs in RCU-tasks. In this v2, this series
propose to fix these issues without reverting:
cff9b2332ab7 ("kernel/sched: Modify initial boot task idle setup")
Frederic Weisbecker (4):
rcu: Introduce rcu_cpu_online()
rcu/tasks: Handle new PF_IDLE semantics
rcu/tasks-trace: Handle new PF_IDLE semantics
sched: Exclude CPU boot code from PF_IDLE area
include/linux/sched.h | 2 +-
kernel/cpu.c | 4 ++++
kernel/rcu/rcu.h | 2 ++
kernel/rcu/tasks.h | 33 ++++++++++++++++++++++++++++++---
kernel/rcu/tree.c | 7 +++++++
kernel/sched/idle.c | 1 -
6 files changed, 44 insertions(+), 5 deletions(-)
--
2.41.0
