Re: [PATCH] hyperv: Add netpoll support
From: Richard Weinberger
Date: Tue Jul 08 2014 - 16:17:25 EST
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
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