Re: [PATCH net] netvsc: add rcu_read locking to netvsc callback

2017-01-10 Thread David Miller
From: Stephen Hemminger Date: Tue, 10 Jan 2017 07:50:16 -0800 > Lockdep finds a case where netvsc receive processing is incorrectly > assuming it is in RCU safe zone. The driver is using RCU to handle > VF reference but RCU read lock not held. > > Fixes 0c9d3ba9a87b ("hv_netvsc: use RCU to prote

[PATCH net] netvsc: add rcu_read locking to netvsc callback

2017-01-10 Thread Stephen Hemminger
Lockdep finds a case where netvsc receive processing is incorrectly assuming it is in RCU safe zone. The driver is using RCU to handle VF reference but RCU read lock not held. Fixes 0c9d3ba9a87b ("hv_netvsc: use RCU to protect vf_netdev") Signed-off-by: Stephen Hemminger --- drivers/net/hyperv/