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(parent: 2142236) | patch
net: sched: act_csum: remove dependency on rtnl lock
authorVlad Buslov <vladbu@mellanox.com>
Fri, 10 Aug 2018 17:51:42 +0000 (20:51 +0300)
committerDavid S. Miller <davem@davemloft.net>
Sat, 11 Aug 2018 19:37:09 +0000 (12:37 -0700)
commitb6a2b971c0b00253197682fbdf1c55fc0e2610a4
treef1624ed1d28f1f268ec91c5edd1ccda43c51e23btree | snapshot
parent2142236b45843dbcbe9691d24cf06caff91a78fdcommit | diff
net: sched: act_csum: remove dependency on rtnl lock

Use tcf lock to protect csum action struct private data from concurrent
modification in init and dump. Use rcu swap operation to reassign params
pointer under protection of tcf lock. (old params value is not used by
init, so there is no need of standalone rcu dereference step)

Remove rtnl assertion that is no longer necessary.

Signed-off-by: Vlad Buslov <vladbu@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/sched/act_csum.c diff | blob | history
Domain: System / Kernel;