From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 From: Arjan van de Ven Date: Fri, 29 Jul 2016 19:10:52 +0000 Subject: [PATCH] give rdrand some credit try to credit rdrand/rdseed with some entropy In VMs but even modern hardware, we're super starved for entropy, and while we can and do wear a tin foil hat, it's very hard to argue that rdrand and rdtsc add zero entropy. --- drivers/char/random.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/char/random.c b/drivers/char/random.c index 01b8868b9bed..8544472650ea 100644 --- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -1937,6 +1937,8 @@ static void __init init_std_data(struct entropy_store *r) if (!arch_get_random_seed_long(&rv) && !arch_get_random_long(&rv)) rv = random_get_entropy(); + else + credit_entropy_bits(r, 1); mix_pool_bytes(r, &rv, sizeof(rv)); } mix_pool_bytes(r, utsname(), sizeof(*(utsname()))); -- https://clearlinux.org