X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=lib%2Frandom32.c;h=ca87d86992bdb7bfd6bb30d4dbe6dcefe2bab7b9;hb=03fc922f4085a0139f313831fe2dc6fed467cd2d;hp=4a15ce51cea78f4843106221f3db13745b1eb4d7;hpb=22a60f1951256ed493bf1430f8c3edcb31c0dbaa;p=linux-2.6

diff --git a/lib/random32.c b/lib/random32.c
index 4a15ce51ce..ca87d86992 100644
--- a/lib/random32.c
+++ b/lib/random32.c
@@ -36,6 +36,7 @@
 #include <linux/types.h>
 #include <linux/percpu.h>
 #include <linux/module.h>
+#include <linux/jiffies.h>
 #include <linux/random.h>
 
 struct rnd_state {
@@ -96,13 +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);