Commits
Stephen Hemminger committed 0ac663c5674
hv_netvsc: fix race in napi poll when rescheduling [ Commit d64e38ae690e3337db0d38d9b149a193a1646c4b upstream. ] There is a race between napi_reschedule and re-enabling interrupts which could lead to missed host interrrupts. This occurs when interrupts are re-enabled (hv_end_read) and vmbus irq callback (netvsc_channel_cb) has already scheduled NAPI. Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>