Re: rcu: Avoid irq disable in rcu_cpu_kthread

2013-12-10 Thread Christoph Lameter
On Mon, 9 Dec 2013, Paul E. McKenney wrote: > On Thu, Dec 05, 2013 at 09:06:55PM +, Christoph Lameter wrote: > > Once we have the per cpu patchset merged we could do the following [it > > even works without that patchset but the __this_cpu ops will not do > > preemption checks]. Would this wor

Re: rcu: Avoid irq disable in rcu_cpu_kthread

2013-12-09 Thread Paul E. McKenney
On Thu, Dec 05, 2013 at 09:06:55PM +, Christoph Lameter wrote: > Once we have the per cpu patchset merged we could do the following [it > even works without that patchset but the __this_cpu ops will not do > preemption checks]. Would this work? Looks plausible at first glance. But are you rea