doc: rcu: Add more rationale for using rcu_read_lock_sched in checklist
authorJoel Fernandes (Google) <joel@joelfernandes.org>
Fri, 5 Oct 2018 23:18:11 +0000 (16:18 -0700)
committerPaul E. McKenney <paulmck@linux.ibm.com>
Mon, 12 Nov 2018 16:56:25 +0000 (08:56 -0800)
commit090c1685fd628a8c191d77b5267a7dc226246a5b
tree922090d60ed455677ab938eba1f8f1358cae3a4d
parent3398496483df3508764d24917deaa8ab5176969e
doc: rcu: Add more rationale for using rcu_read_lock_sched in checklist

This commit explains why rcu_read_lock_sched is better than using
preempt_disable.

Signed-off-by: Joel Fernandes (Google) <joel@joelfernandes.org>
Signed-off-by: Paul E. McKenney <paulmck@linux.ibm.com>
Documentation/RCU/checklist.txt