Re: [PATCH 0/6] RFC: Typesafe callbacks

[Andi Kleen]

Rusty Russell <rusty@xxxxxxxxxxxxxxx> writes:
> ===
> Attempt to create callbacks which take unsigned long as well as
> correct pointer types.

FWIW i had something similar using the gcc union extension at some
point for ioctls because I was tired for all the ugly casts from
unsigned long arg to void * in ioctl handlers.

But I decided to not push it because sparse would have likely choked 
on it, and sparse actually finds a lot of bugs so it's more important than
having a few more casts.

-Andi
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