Re: [PATCH tip/core/rcu 0/9] Preview of additional RCU changes for 3.3

["Paul E. McKenney" <paulmck@linux.vnet.ibm.com>]

On Tue, Nov 15, 2011 at 01:50:41PM -0800, Josh Triplett wrote:
> On Tue, Nov 15, 2011 at 12:27:36PM -0800, Paul E. McKenney wrote:
> > This patchset is in addition to the set previously posted (see
> > https://lkml.org/lkml/2011/11/2/363).  This new set permits the
> > reworked RCU_FAST_NO_HZ code to be used from TREE_PREEMPT_RCU,
> > allows rcutorture to shut down the system after a fixed time
> > period (useful for KVM-based testing), adds an API to
> > replace the "->pid == 0" discussed in response to the earlier
> > patch set, and applies this API where applicable.  The patches are
> > as follows:
> > 
> > 1.	Update the RCU_FAST_NO_HZ config definition to allow it to
> > 	be used in TREE_PREEMPT_RCU builds, since that is now legal.
> > 2.	Add a module parameter that permit rcutorture to shut down the
> > 	system cleanly after the test has run for the specified time.
> > 3.	Add a module parameter to allow rcutorture start running
> > 	as soon as it is initialized.
> > 4.	Add is_idle_task() API to replace open-coded tests of ->pid
> > 	against zero.
> > 5-9.	Apply the new is_idle_task() API where it makes sense.
> 
> I replied to patches 2-4 with review comments.  For the rest:
> 
> Reviewed-by: Josh Triplett <josh@joshtriplett.org>

Thank you for your careful review and thoughtful comments!

							Thanx, Paul