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authorDavid S. Miller <davem@davemloft.net>2008-04-14 02:30:23 -0700
committerDavid S. Miller <davem@davemloft.net>2008-04-14 02:30:23 -0700
commitdf39e8ba56a788733d369068c7319e04b1da3cd5 (patch)
tree1e9be853bdb455e341cdbf957656f342cfa2eb9e /lib
parentf5572855ec492334d8c3ec0e0e86c31865d5cf07 (diff)
parent159d83363b629c91d020734207c1bc788b96af5a (diff)
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts: drivers/net/ehea/ehea_main.c drivers/net/wireless/iwlwifi/Kconfig drivers/net/wireless/rt2x00/rt61pci.c net/ipv4/inet_timewait_sock.c net/ipv6/raw.c net/mac80211/ieee80211_sta.c
Diffstat (limited to 'lib')
-rw-r--r--lib/random32.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/lib/random32.c b/lib/random32.c
index ec7f81d3fb1..ca87d86992b 100644
--- a/lib/random32.c
+++ b/lib/random32.c
@@ -97,13 +97,18 @@ EXPORT_SYMBOL(random32);
* @seed: seed value
*
* Add some additional seeding to the random32() pool.
- * Note: this pool is per cpu so it only affects current CPU.
*/
void srandom32(u32 entropy)
{
- struct rnd_state *state = &get_cpu_var(net_rand_state);
- __set_random32(state, state->s1 ^ entropy);
- put_cpu_var(state);
+ int i;
+ /*
+ * No locking on the CPUs, but then somewhat random results are, well,
+ * expected.
+ */
+ for_each_possible_cpu (i) {
+ struct rnd_state *state = &per_cpu(net_rand_state, i);
+ __set_random32(state, state->s1 ^ entropy);
+ }
}
EXPORT_SYMBOL(srandom32);