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| author | Emmanuel Grumbach <emmanuel.grumbach@intel.com> | 2015-10-25 12:38:20 +0200 |
|---|---|---|
| committer | Emmanuel Grumbach <emmanuel.grumbach@intel.com> | 2015-10-25 12:38:20 +0200 |
| commit | 10d15322ed26652263a579bcb59dfd49ab8a30de (patch) | |
| tree | b1497de1b8ffd34b991cdf6e21de1c7a0a65f1de /include/linux/random.h | |
| parent | 0316d30ea3e66379cd30ed70a114bc282159bb4c (diff) | |
| parent | e5a9f8d04660da7ef3a98260aa74c3976f9cb4cd (diff) | |
Merge remote-tracking branch 'mac80211-next/master' into next
Diffstat (limited to 'include/linux/random.h')
| -rw-r--r-- | include/linux/random.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/random.h b/include/linux/random.h index e651874df2c9..a75840c1aa71 100644 --- a/include/linux/random.h +++ b/include/linux/random.h @@ -7,6 +7,8 @@ #define _LINUX_RANDOM_H #include <linux/list.h> +#include <linux/once.h> + #include <uapi/linux/random.h> struct random_ready_callback { @@ -45,6 +47,10 @@ struct rnd_state { u32 prandom_u32_state(struct rnd_state *state); void prandom_bytes_state(struct rnd_state *state, void *buf, size_t nbytes); +void prandom_seed_full_state(struct rnd_state __percpu *pcpu_state); + +#define prandom_init_once(pcpu_state) \ + DO_ONCE(prandom_seed_full_state, (pcpu_state)) /** * prandom_u32_max - returns a pseudo-random number in interval [0, ep_ro) |