On Mon, 2014-03-17 at 17:22 -0400, David Miller wrote: > From: Eric Dumazet <eric.dumazet@xxxxxxxxx> > Date: Sun, 16 Mar 2014 09:17:01 -0700 > > > Wait a minute, I thought ndo_poll_controller() had to be synchronous, > > not schedule a napi ? > > ndo_poll_controller() basically runs the hardware interrupt handler, > which might schedule NAPI processing. Then netpoll invokes > the NAPI poll in whatever state ndo_poll_controller() left it in. Ah right, this makes sense, poll_napi() uses a spin_trylock()... -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html