rcu-tasks: Add block comment laying out RCU Tasks design
authorPaul E. McKenney <paulmck@kernel.org>
Thu, 4 Mar 2021 22:41:47 +0000 (14:41 -0800)
committerPaul E. McKenney <paulmck@kernel.org>
Mon, 10 May 2021 23:04:24 +0000 (16:04 -0700)
commit06a3ec9205d570526665c2071d1a5492c3091a54
tree94cc4b178885a928dbebf243d5fb6e421dc29bf9
parent6efb943b8616ec53a5e444193dccf1af9ad627b5
rcu-tasks: Add block comment laying out RCU Tasks design

This commit adds a block comment that gives a high-level overview of how
RCU tasks grace periods progress.  It also adds a note about how exiting
tasks are handled, plus it gives an overview of the memory ordering.

Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
kernel/rcu/tasks.h