Subject: Re: [PATCH] hyperv: Add netpoll support

From: Richard Weinberger <[email-masked]>
Date: Tue, 08 Jul 2014 22:16:52 +0200

Am 08.07.2014 22:03, schrieb KY Srinivasan:
> The VCPU the channel is bound to is available in the channel state. You could use the following code
> Fragment to ensure that the call is made on the "right" cpu:
> 
> smp_call_function_single(dev->channel->target_cpu,
>                                          netvsc_channel_cb, dev->channel, true);

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.

Thanks,
//richard