Messages in this thread | | | Date | Mon, 28 Nov 2016 17:30:15 +0200 | From | "Michael S. Tsirkin" <> | Subject | Re: [PATCH RFC] hlist_add_tail_rcu disable sparse warning |
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On Mon, Nov 28, 2016 at 06:39:19AM -0800, Paul E. McKenney wrote: > On Fri, Nov 25, 2016 at 07:52:23PM -0500, David Miller wrote: > > From: "Michael S. Tsirkin" <mst@redhat.com> > > Date: Wed, 23 Nov 2016 22:48:19 +0200 > > > > > I would appreciate review to confirm the function doesn't > > > do anything unsafe though. > > > > > > In particular, should this use __hlist_for_each_rcu instead? > > > I note that __hlist_for_each_rcu does rcu_dereference > > > internally, which is missing here. > > > > I personally think it should use __hlist_for_each_rcu, otherwise > > nothing expresses the rcu-ness of the operation. > > I like Dave's suggestion. Michael, does that change work for you? > > Thanx, Paul
I think it does, I'll try and post the patch.
-- MST
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