On Thu, Nov 08, 2018 at 04:52:26PM +0100, Sebastian Andrzej Siewior wrote:
> On 2018-11-01 16:02:35 [-0700], Paul E. McKenney wrote:
> > > The forcing of an expedited grace period is an expensive and very
> > > RT-application unfriendly operation, as it forcibly preempts all running
> > > tasks on CPUs which are preventing the gp from expiring.
> > >
> > > By default, as a policy decision, disable the expediting of grace
> > > periods (after boot) on configurations which enable PREEMPT_RT_FULL.
> > >
> > > Suggested-by: Luiz Capitulino <[email protected]>
> > > Signed-off-by: Julia Cartwright <[email protected]>
> > > Signed-off-by: Sebastian Andrzej Siewior <[email protected]>
> >
> > In case it matters:
> >
> > Acked-by: Paul E. McKenney <[email protected]>
> >
> > Alternatively, any reason that I should not pull this into -rcu?
> because we don't have CONFIG_PREEMPT_RT_FULL yet.
Fair enough. This particular case works without CONFIG_PREEMPT_RT_FULL
defined, but up to you guys.
Thanx, Paul
