[PATCH tip/core/rcu 0/3] RCU stall-warning updates for v5.8

From: Paul E. McKenney
Date: Wed Apr 15 2020 - 13:23:49 EST


Hello!

This series provides a few updates to RCU CPU stall-warning messages.

1. Use data_race() for RCU expedited CPU stall-warning prints.

2. When GP kthread is starved, tag idle threads as false positives.
After all, it is not the idle threads' fault that the GP
kthread hasn't reported their extended quiescent states!

3. Remove self-stack-trace when all quiescent states seen.

Thanx, Paul

------------------------------------------------------------------------

tree_exp.h | 8 ++++----
tree_stall.h | 26 +++++++++++++++++++-------
2 files changed, 23 insertions(+), 11 deletions(-)