336 	unsigned long v2;  member
352  * - We omit some constants XORed with v2 in the SipHash spec as irrelevant;
355  * - Rather than returning v0^v1^v2^v3, return v1+v3.
358  *   Likewise "v1 ^= v2".  (The rotate of v2 makes a difference, but
359  *   it still cancels out half of the bits in v2 for no benefit.)
365 	unsigned long v0 = s->v0, v1 = s->v1, v2 = s->v2, v3 = s->v3;  in siprand_u32()  local
369 	PRND_SIPROUND(v0, v1, v2, v3);  in siprand_u32()
370 	PRND_SIPROUND(v0, v1, v2, v3);  in siprand_u32()
372 	s->v0 = v0;  s->v1 = v1;  s->v2 = v2;  s->v3 = v3;  in siprand_u32()
441 		unsigned long v2 = state->v2, v3 = state->v3;  in prandom_seed()  local
445 			PRND_SIPROUND(v0, v1, v2, v3);  in prandom_seed()
446 			PRND_SIPROUND(v0, v1, v2, v3);  in prandom_seed()
448 		} while (unlikely(!v0 || !v1 || !v2 || !v3));  in prandom_seed()
452 		WRITE_ONCE(state->v2, v2);  in prandom_seed()
465 	unsigned long v0, v1, v2, v3;  in prandom_init_early()  local
471 	v2 = v0 ^ PRND_K0;  in prandom_init_early()
478 		PRND_SIPROUND(v0, v1, v2, v3);  in prandom_init_early()
479 		PRND_SIPROUND(v0, v1, v2, v3);  in prandom_init_early()
484 		state->v2 = v2;  state->v3 = v3;  in prandom_init_early()
509 		unsigned long v0 = get_random_long(), v2 = v0 ^ PRND_K0;  in prandom_reseed()  local
524 			PRND_SIPROUND(v0, v1, v2, v3);  in prandom_reseed()
525 			PRND_SIPROUND(v0, v1, v2, v3);  in prandom_reseed()
541 		WRITE_ONCE(state->v2, v2 ? v2 : -1ul);  in prandom_reseed()