Re: [PATCH] rcu: fix a race in hlist_nulls_for_each_entry_rcu macro

[Eric Dumazet]

On Tue, 2013-05-21 at 18:47 +0400, Roman Gushchin wrote:

> This code has the same mistake: it is rcu_dereference_raw(head->first), 
> so there is nothing that prevents gcc to store the (head->first) value 
> in a register.

If other rcu accessors have the same problem, a more complete patch is
needed.

Thanks



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