crng_reseed
crng_reseed(NULL);
static DECLARE_DELAYED_WORK(next_reseed, crng_reseed);
crng_reseed(NULL); /* Sets crng_init to CRNG_READY under base_crng.lock. */
crng_reseed(NULL);
crng_reseed(NULL);
crng_reseed(NULL);
crng_reseed(NULL);