Am 09.07.2014 00:47, schrieb Francois Romieu: > Richard Weinberger <richard@xxxxxx> : > [...] >> This won't work as netpoll runs with IRQs disabled. >> ->ndo_poll_controller() has to make sure that SKBs can be received and transmitted >> while IRQs are off. I thought calling the channel callback by hand would be >> enough to receive SKBs. > > What are you taking about ? netconsole does not need to receive. Isn't netconsole is only one user of netpoll? Of course netconsole needs only to transmit SKBs. But if you look at other ->ndo_poll_controller implementations you'll notice that they care also about receiving. > hyperv start_xmit handler almost does its own Tx completion as you have > noticed. The situation is imho close to a virtual device one as was veth > in bb446c19fefd7b4435adb12a9dd7666adc5b553a. Bad commit reference: bb446c19fefd7b4435adb12a9dd7666adc5b553a :-( Thanks, //richard _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
