Messages in this thread | | | Date | Tue, 16 Jun 2015 09:07:16 -0700 | From | "Paul E. McKenney" <> | Subject | Re: call_rcu from trace_preempt |
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On Tue, Jun 16, 2015 at 11:43:42AM -0400, Steven Rostedt wrote: > On Tue, 16 Jun 2015 07:16:26 -0700 > "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> wrote: > > > > Just for the record: Using a thread for freeing the memory is curing the > > > problem without the need to modify rcu_is_watching. > > > > I must confess to liking this approach better than guaranteeing full-up > > reentrancy in call_rcu() and kfree_rcu(). ;-) > > Then reentrancy must be really bad if you prefer a spinning thread that > polls constantly just to free an item ;-)
I was (perhaps naively) assuming that they would use a less aggressive approach at some point. ;-)
Thanx, Paul
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