git: cc96f92a570e - main - atomic: make atomic_store_ptr type-aware

[Jessica Clarke]

On 25 Jan 2021, at 22:42, Mateusz Guzik <mjg at FreeBSD.org> wrote:
> index a3548977b940..4c29d132c369 100644
> --- a/sys/sys/atomic_common.h
> +++ b/sys/sys/atomic_common.h
> @@ -58,7 +58,7 @@
> #define	atomic_store_long(p, v)		\
>     (*(volatile u_long *)(p) = (u_long)(v))
> #define	atomic_store_ptr(p, v)		\
> -    (*(volatile uintptr_t *)(p) = (uintptr_t)(v))
> +    (*(volatile __typeof(*p) *)(p) = (v))

This is in fact general enough to be any of the atomic_store_*, and
won't give any errors if you use it for a uint16_t (where it will store
a uint16_t).

Jess