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authorPaul Mackerras <paulus@samba.org>2008-04-14 21:11:02 +1000
committerPaul Mackerras <paulus@samba.org>2008-04-14 21:11:02 +1000
commitac7c5353b189e10cf5dd27399f64f7b013abffc6 (patch)
tree8222d92b774c256d6ec4399c716d76b3f05ddc4b /lib/random32.c
parenta8f75ea70c58546205fb7673be41455b9da5d9a7 (diff)
parent120dd64cacd4fb796bca0acba3665553f1d9ecaa (diff)
Merge branch 'linux-2.6'
Diffstat (limited to 'lib/random32.c')
-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);