Cong Wang <xiyou.wangcong@xxxxxxxxx> writes: > On Tue, Mar 11, 2014 at 1:45 AM, Eric W. Biederman > <ebiederm@xxxxxxxxxxxx> wrote: >> - work = napi->poll(napi, budget); >> - trace_napi_poll(napi); >> + /* Use a budget of 0 to request the drivers not process >> + * their receive queue. Warn when they do anyway. >> + */ >> + work = napi->poll(napi, 0); >> + WARN_ON_ONCE(work != 0); >> > > Adding more printk's in netpoll call path would only bring more > troubles. That is why I used WARN_ON_ONCE. So we are alerted to problems but because it only prints once service won't be denied if nothing except that warning cares. Eric -- 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