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Re: [PATCH RFC] hlist_add_tail_rcu disable sparse warning

From "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Newsgroups linux.kernel
Subject Re: [PATCH RFC] hlist_add_tail_rcu disable sparse warning
Date 2016-11-28 15:40 +0100
Message-ID <sIvg5-3iM-17@gated-at.bofh.it> (permalink)
References <sGMEp-1gq-3@gated-at.bofh.it> <sHzvr-7Sd-5@gated-at.bofh.it>
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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

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Thread

Re: [PATCH RFC] hlist_add_tail_rcu disable sparse warning David Miller <davem@davemloft.net> - 2016-11-26 02:00 +0100
  Re: [PATCH RFC] hlist_add_tail_rcu disable sparse warning "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2016-11-28 15:40 +0100
    Re: [PATCH RFC] hlist_add_tail_rcu disable sparse warning "Michael S. Tsirkin" <mst@redhat.com> - 2016-11-28 16:40 +0100
    Re: [PATCH RFC] hlist_add_tail_rcu disable sparse warning "Michael S. Tsirkin" <mst@redhat.com> - 2016-12-05 04:50 +0100
  Re: [PATCH RFC] hlist_add_tail_rcu disable sparse warning "Michael S. Tsirkin" <mst@redhat.com> - 2016-12-05 04:30 +0100

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