[PATCH] random: remove ratelimiting from add_interrupt_randomness()

[Sultan Alsawaf]

---
 drivers/char/random.c | 7 -------
 1 file changed, 7 deletions(-)

diff --git a/drivers/char/random.c b/drivers/char/random.c
index 38729baed6ee..5b38277b104a 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -574,7 +574,6 @@ static void mix_pool_bytes(struct entropy_store *r, const void *in,
 
 struct fast_pool {
 	__u32		pool[4];
-	unsigned long	last;
 	unsigned short	reg_idx;
 	unsigned char	count;
 };
@@ -1195,20 +1194,14 @@ void add_interrupt_randomness(int irq, int irq_flags)
 		    crng_fast_load((char *) fast_pool->pool,
 				   sizeof(fast_pool->pool))) {
 			fast_pool->count = 0;
-			fast_pool->last = now;
 		}
 		return;
 	}
 
-	if ((fast_pool->count < 64) &&
-	    !time_after(now, fast_pool->last + HZ))
-		return;
-
 	r = &input_pool;
 	if (!spin_trylock(&r->lock))
 		return;
 
-	fast_pool->last = now;
 	__mix_pool_bytes(r, &fast_pool->pool, sizeof(fast_pool->pool));
 
 	/*
-- 
2.14.1