Re: [PATCH tip/core/rcu 1/3] rcu-tasks: *_ONCE() for rcu_tasks_cbs_head

From: Steven Rostedt
Date: Tue Feb 18 2020 - 18:13:27 EST

On Tue, 18 Feb 2020 14:54:55 -0800
"Paul E. McKenney" <paulmck@xxxxxxxxxx> wrote:

> This data race was reported by KCSAN. Not appropriate for backporting
> due to failure being unlikely and due to the mild consequences of the
> failure, namely a confusing rcutorture console message.

I've seen patches backported for less. :-/

Really, any statement that says something may go awry with the code,
will be an argument to backport it.

-- Steve