Re: [PATCH 7/7] RCU, workqueue: Implement rcu_work

[Paul E. McKenney]

On Wed, Mar 07, 2018 at 05:23:17PM +0100, Peter Zijlstra wrote:
> On Wed, Mar 07, 2018 at 06:54:08AM -0800, Paul E. McKenney wrote:
> > One downside of allowing RCU callback functions to sleep is that
> > one poorly written callback can block a bunch of other ones.
> 
> Not to mention that we really want the RCU callbacks to be simple and
> short. Needing fancy things in the callback really should be the
> exception not the rule.

Very much agreed with that as well!

Besides, Tejun's queue_rcu_work() provides this functionality and
seems pretty straightforward to use.

							Thanx, Paul