Re: [RFC][PATCH] rcu: Use typeof(p) instead of typeof(*p) *

[Rasmus Villemoes <linux@xxxxxxxxxxxxxxxxxx>]

On 05/10/2021 15.47, Steven Rostedt wrote:

> That is, instead of declaring: typeof(*p) *_p; just do:
>  typeof(p) _p;
> 
> Also had to update a lot of the function pointer initialization in the
> networking code, as a function address must be passed as an argument in
> RCU_INIT_POINTER() 

I would think that one could avoid that churn by saying

  typeof((p) + 0)

instead of just "typeof(p)", to force the decay to a pointer.

Rasmus