--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/patches/0001-Disable-PRNG-entropy-accounting.patch	Thu Apr 09 12:07:21 2009 +0200
@@ -0,0 +1,36 @@
+From d8f0df50e5449782d2823ea788fa5e8dc48a4473 Mon Sep 17 00:00:00 2001
+From: Florian Westphal <fw@strlen.de>
+Date: Sun, 22 Mar 2009 15:09:07 +0100
+Subject: [PATCH] Disable PRNG entropy accounting.
+
+The real fix is to either completely replace random.c,
+providing our own implementation using ns-3 rng infrastructure,
+or feed the prng periodically.
+---
+ drivers/char/random.c |   10 +++++++++-
+ 1 files changed, 9 insertions(+), 1 deletions(-)
+
+diff --git a/drivers/char/random.c b/drivers/char/random.c
+index 7c13581..1efc24e 100644
+--- a/drivers/char/random.c
++++ b/drivers/char/random.c
+@@ -766,7 +766,15 @@ static size_t account(struct entropy_store *r, size_t nbytes, int min,
+ 		      int reserved)
+ {
+ 	unsigned long flags;
+-
++#ifdef CONFIG_NSC
++	/*
++	 * prevent infinite loop: if a code path calls get_random_bytes
++	 * and we've run out of entropy, this calls wake_up_interruptible(),
++	 * which calls the code path again, which calls get_random_bytes,
++	 * which calls wake_up which...
++	 */
++	return nbytes;
++#endif
+ 	/* Hold lock while accounting */
+ 	spin_lock_irqsave(&r->lock, flags);
+ 
+-- 
+1.6.0.6
+