paulmck@xxxxxxxxxx wrote:
> +#define rcu_replace(rcu_ptr, ptr, c) \
> +({ \
> + typeof(ptr) __tmp = rcu_dereference_protected((rcu_ptr), (c)); \
> + rcu_assign_pointer((rcu_ptr), (ptr)); \
> + __tmp; \
> +})
Does it make sense to actually use xchg() if that's supported by the arch?
David
