On Mon, 10 Oct 2022 17:06:06 -0600 Jason A. Donenfeld wrote:

- If you want a secure or an insecure random u64, use get_random_u64().
- If you want a secure or an insecure random u32, use get_random_u32().
  * The old function prandom_u32() has been deprecated for a while now
    and is just a wrapper around get_random_u32(). Same for
    get_random_int().
- If you want a secure or an insecure random u16, use get_random_u16().
- If you want a secure or an insecure random u8, use get_random_u8().
- If you want secure or insecure random bytes, use get_random_bytes().
  * The old function prandom_bytes() has been deprecated for a while now
    and has long been a wrapper around get_random_bytes().
- If you want a non-uniform random u32, u16, or u8 bounded by a certain
  open interval maximum, use prandom_u32_max().
  * I say "non-uniform", because it doesn't do any rejection sampling or
    divisions. Hence, it stays within the prandom_* namespace.

Acked-by: Jakub Kicinski <kuba@kernel.org>