diff options
author | Kirill Tkhai <ktkhai@virtuozzo.com> | 2018-02-19 12:58:38 +0300 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2018-02-20 21:23:13 +0300 |
commit | 19efbd93e6fb05eab81856b4fc8d64211dd37088 (patch) | |
tree | 92b753425011641fc730a1eda732169350ad6ffd /include/linux/rtnetlink.h | |
parent | ffc385b95adb0e601f6858b06401adabedf59f81 (diff) |
net: Kill net_mutex
We take net_mutex, when there are !async pernet_operations
registered, and read locking of net_sem is not enough. But
we may get rid of taking the mutex, and just change the logic
to write lock net_sem in such cases. This obviously reduces
the number of lock operations, we do.
Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/rtnetlink.h')
-rw-r--r-- | include/linux/rtnetlink.h | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/include/linux/rtnetlink.h b/include/linux/rtnetlink.h index e9ee9ad0a681..3573b4bf2fdf 100644 --- a/include/linux/rtnetlink.h +++ b/include/linux/rtnetlink.h @@ -35,7 +35,6 @@ extern int rtnl_trylock(void); extern int rtnl_is_locked(void); extern wait_queue_head_t netdev_unregistering_wq; -extern struct mutex net_mutex; extern struct rw_semaphore net_sem; #ifdef CONFIG_PROVE_LOCKING |