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

[David Laight]

From: Steven Rostedt
> Sent: 05 October 2021 22:25
> 
...
> 
> Basically (one alternative I was looking at) was simply passing around a
> void pointer. Not sure how the RCU macros would handle that. But to
> completely abstract it out, I was thinking of just returning void * and
> accepting void *, but I didn't want to do that because now we just lost any
> kind of type checking done by the compiler. The tricks I was playing was to
> keep some kind of type checking.

Yes, don't use 'void *'.
Sun used it for all the pointers in their DDI/DKI - made it impossible
to ensure you were passing in the right type of 'token'.

	David

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