pnv_rng
static __init void rng_init_per_cpu(struct pnv_rng *rng,
if (per_cpu(pnv_rng, cpu) == NULL ||
per_cpu(pnv_rng, cpu) = rng;
struct pnv_rng *rng;
static DEFINE_PER_CPU(struct pnv_rng *, pnv_rng);
static unsigned long rng_whiten(struct pnv_rng *rng, unsigned long val)
struct pnv_rng *rng;
rng = get_cpu_var(pnv_rng);
rng = raw_cpu_read(pnv_rng);