tree 92b753425011641fc730a1eda732169350ad6ffd
parent ffc385b95adb0e601f6858b06401adabedf59f81
author Kirill Tkhai <ktkhai@virtuozzo.com> 1519034318 +0300
committer David S. Miller <davem@davemloft.net> 1519150993 -0500

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>