diff options
| author | Johannes Berg <johannes.berg@intel.com> | 2012-12-06 19:29:25 +0400 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2013-01-03 16:01:30 +0400 |
| commit | c492db370c17c428a0a58d3673294d4e99634b7d (patch) | |
| tree | a350365e3cdb2f37c1249f6871eaeb36a811512b /include/net/regulatory.h | |
| parent | 458f4f9e960b9a3b674c4b87d996eef186b1fe83 (diff) | |
| download | linux-c492db370c17c428a0a58d3673294d4e99634b7d.tar.xz | |
regulatory: use RCU to protect last_request
This will allow making freq_reg_info() lock-free.
Acked-by: Luis R. Rodriguez <mcgrof@do-not-panic.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'include/net/regulatory.h')
| -rw-r--r-- | include/net/regulatory.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/net/regulatory.h b/include/net/regulatory.h index 96b0f07cb85b..f17ed590d64a 100644 --- a/include/net/regulatory.h +++ b/include/net/regulatory.h @@ -36,6 +36,7 @@ enum environment_cap { /** * struct regulatory_request - used to keep track of regulatory requests * + * @rcu_head: RCU head struct used to free the request * @wiphy_idx: this is set if this request's initiator is * %REGDOM_SET_BY_COUNTRY_IE or %REGDOM_SET_BY_DRIVER. This * can be used by the wireless core to deal with conflicts @@ -73,6 +74,7 @@ enum environment_cap { * @list: used to insert into the reg_requests_list linked list */ struct regulatory_request { + struct rcu_head rcu_head; int wiphy_idx; enum nl80211_reg_initiator initiator; enum nl80211_user_reg_hint_type user_reg_hint_type; |