The series introduces fine grained rw_semaphore, which will be used
instead of rtnl_lock() to protect net_namespace_list.
This improves scalability and allows to do non-exclusive sleepable
iteration for_each_net(), which is enough for most cases.
scripts/get_maintainer.pl gives enormous list of people, and I add
all to CC.
Note, that this patch is independent of "Close race between
{un, }register_netdevice_notifier and pernet_operations":
https://patchwork.ozlabs.org/project/netdev/list/?series=36495
Signed-off-by: Kirill Tkhai <ktkhai@xxxxxxxxxxxxx>
---
Kirill Tkhai (5):
net: Introduce net_rwsem to protect net_namespace_list
net: Don't take rtnl_lock() in wireless_nlevent_flush()
security: Remove rtnl_lock() in selinux_xfrm_notify_policyload()
ovs: Remove rtnl_lock() from ovs_exit_net()
net: Remove rtnl_lock() in nf_ct_iterate_destroy()
drivers/infiniband/core/roce_gid_mgmt.c | 2 ++
include/linux/rtnetlink.h | 1 +
include/net/net_namespace.h | 1 +
net/core/dev.c | 5 +++++
net/core/fib_notifier.c | 2 ++
net/core/net_namespace.c | 18 +++++++++++++-----
net/core/rtnetlink.c | 5 +++++
net/netfilter/nf_conntrack_core.c | 4 ++--
net/openvswitch/datapath.c | 4 ++--
net/wireless/wext-core.c | 6 ++----
security/selinux/include/xfrm.h | 4 ++--
11 files changed, 37 insertions(+), 15 deletions(-)
--
Signed-off-by: Kirill Tkhai <ktkhai@xxxxxxxxxxxxx>
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