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SubjectRe: [PATCH] bdi: Move cgroup bdi_writeback to a dedicated low concurrency workqueue
On Wed, May 23, 2018 at 11:39:07AM -0700, Paul E. McKenney wrote:
> > While this resolves the problem at hand, it might be a good idea to
> > isolate rcu_exp_work to its own workqueue too as it can be used from
> > various paths and is prone to this sort of indirect A-A deadlocks.
> Commit ad7c946b35ad4 ("rcu: Create RCU-specific workqueues with rescuers")
> was accepted into mainline this past merge window. Does that do what
> you want, or are you looking for something else?

Ah, that does it. Sorry, was looking at an older kernel.



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