[Devel] Re: [PATCH (resubmit)][BRIDGE] Properly dereference the br_should_route_hook

[Herbert Xu]

On Thu, Nov 29, 2007 at 05:25:01PM -0800, Paul E. McKenney wrote:
>
> You have in mind something like the following?
> 
> #define rcu_assign_pointer(p, v) \
> 	({ \
> 		if (!__builtin_constant_p(v) || \
> 		    ((v) != NULL)) \
> 			smp_wmb(); \
> 		(p) = (v); \
> 	})

Yes that's what I was thinking.

Thanks,
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