From: Joshua Emele <jem...@gmail.com> Date: Wed, 24 May 2017 15:43:18 -0700
> From: Joshua Emele <jem...@google.com> > > The sky2_hw_down uses sky2_tx_complete to free pending frames stuck in > the HW queue. Because sky2_hw_down can be called from a process context, > the call to u64_stats_update_begin can result in deadlock. > > Because the statistics do not require update as part of the sky2_hw_down > sequence, prevent the update to avoid the deadlock. I disagree. Taking the interface down should cause events in the statistics to be lost. You're going to have to find a way to fix this without eliding the stats increments. Thanks.