diff options
author | Paul Mackerras <paulus@samba.org> | 2008-04-14 21:11:02 +1000 |
---|---|---|
committer | Paul Mackerras <paulus@samba.org> | 2008-04-14 21:11:02 +1000 |
commit | ac7c5353b189e10cf5dd27399f64f7b013abffc6 (patch) | |
tree | 8222d92b774c256d6ec4399c716d76b3f05ddc4b /lib/random32.c | |
parent | a8f75ea70c58546205fb7673be41455b9da5d9a7 (diff) | |
parent | 120dd64cacd4fb796bca0acba3665553f1d9ecaa (diff) |
Merge branch 'linux-2.6'
Diffstat (limited to 'lib/random32.c')
-rw-r--r-- | lib/random32.c | 13 |
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); |