Messages in this thread | | | Date | Thu, 8 Nov 2018 16:52:26 +0100 | From | Sebastian Andrzej Siewior <> | Subject | Re: rcu: enable rcu_normal_after_boot by default for RT |
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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 <lcapitulino@redhat.com> > > Signed-off-by: Julia Cartwright <julia@ni.com> > > Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> > > In case it matters: > > Acked-by: Paul E. McKenney <paulmck@linux.ibm.com> > > Alternatively, any reason that I should not pull this into -rcu? because we don't have CONFIG_PREEMPT_RT_FULL yet. > Thanx, Paul
Sebastian
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