Messages in this thread | | | Date | Mon, 01 Aug 2011 22:44:01 -0700 (PDT) | Subject | Re: [PATCH] rcu: convert uses of rcu_assign_pointer(x, NULL) to RCU_INIT_POINTER | From | David Miller <> |
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From: Stephen Hemminger <shemminger@vyatta.com> Date: Mon, 1 Aug 2011 09:19:00 -0700
> When assigning a NULL value to an RCU protected pointer, no barrier > is needed. The rcu_assign_pointer, used to handle that but will soon > change to not handle the special case. > > Convert all rcu_assign_pointer of NULL value. > > //smpl > @@ expression P; @@ > > - rcu_assign_pointer(P, NULL) > + RCU_INIT_POINTER(P, NULL) > > // </smpl> > > > Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Acked-by: David S. Miller <davem@davemloft.net>
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