> >> -#define hlist_nulls_first_rcu(head) \
> >> - (*((struct hlist_nulls_node __rcu __force **)&(head)->first))
> >> +#define hlist_nulls_first_rcu(head) \
> >> + (*((struct hlist_nulls_node __rcu __force **) \
> >> + &((volatile typeof(*head) *)head)->first))
> >
> > I'd have thought it would be better to change hlist_nulls_first_rcu().
>
> It's exactly what I suggest. May be I miss something? Please, clarify.
Gah - chasing through too many defines in too many header files!
Actually making the 'head' structure have volatile pointers
might be better.
Possibly in struct hlist_nulls_node itself.
There are toooo many casts for sanity :-)
David
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