On Tuesday 16 August 2016 04:55 AM, Ivan Khoronzhuk wrote: > The interrupts shouldn't be disabled while receiving skb, but while > ctrl_stop, the channels are stopped and all remaining packets are > handled with netif_receive_skb(): > > lock_irq_save > cpdma_ctlr_stop > cpdma_chan_top > __cpdma_chan_free > cpsw_rx_handler > netif_receive_skb > > So, split locking while ctrl stop thus interrupts are still > enabled while skbs handling. It can cause WARN_ONCE in rare > cases when ctrl is stopping while not all packets were handled > with NAPIs. > > Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@xxxxxxxxxx> Reviewed-by: Mugunthan V N <mugunthanvnm@xxxxxx> Regards Mugunthan V N -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
