From: Jeff Kirsher
Date: Wed, 14 Jun 2017 16:35:31 -0700
> From: Jia-Ju Bai
>
> The driver may sleep under a spin lock, and the function call path is:
> i40e_ndo_set_vf_port_vlan (acquire the lock by spin_lock_bh)
> i40e_vsi_remove_pvid
> i40e_vlan_stripping_disable
> i40e_aq_update
From: Jia-Ju Bai
The driver may sleep under a spin lock, and the function call path is:
i40e_ndo_set_vf_port_vlan (acquire the lock by spin_lock_bh)
i40e_vsi_remove_pvid
i40e_vlan_stripping_disable
i40e_aq_update_vsi_params
i40e_asq_send_command
mutex_lock --> may sl