Am 09.07.2014 01:43, schrieb Francois Romieu:
> Richard Weinberger :
>> Am 09.07.2014 00:47, schrieb Francois Romieu:
> [...]
>>> What are you taking about ? netconsole does not need to receive.
>>
>> Isn't netconsole is only one user of netpoll ?
>
> Out of tree users are irrelevant. See netpoll
Richard Weinberger :
> Am 09.07.2014 00:47, schrieb Francois Romieu:
[...]
> > What are you taking about ? netconsole does not need to receive.
>
> Isn't netconsole is only one user of netpoll ?
Out of tree users are irrelevant. See netpoll related comments in
cd6362befe4cc7bf589a5236d2a780af2d4
Am 09.07.2014 00:47, schrieb Francois Romieu:
> Richard Weinberger :
> [...]
>> 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
Richard Weinberger :
[...]
> 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 abou
Am 09.07.2014 00:47, schrieb Francois Romieu:
> Richard Weinberger :
> [...]
>> 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
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,
>
> -Original Message-
> From: Richard Weinberger [mailto:rich...@nod.at]
> Sent: Tuesday, July 8, 2014 11:39 AM
> To: KY Srinivasan; Haiyang Zhang
> Cc: de...@linuxdriverproject.org; net...@vger.kernel.org; linux-
> ker...@vger.kernel.org
> Subject: Re: [PATCH] hyperv
> -Original Message-
> From: Richard Weinberger [mailto:rich...@nod.at]
> Sent: Tuesday, July 8, 2014 2:40 PM
> To: Haiyang Zhang; KY Srinivasan
> Cc: de...@linuxdriverproject.org; net...@vger.kernel.org; linux-
> ker...@vger.kernel.org
> Subject: Re: [PATCH] hyperv
et...@vger.kernel.org; linux-
>> ker...@vger.kernel.org; Richard Weinberger
>> Subject: [PATCH] hyperv: Add netpoll support
>>
>> In order to have at least a netconsole to debug kernel issues on
>> Windows Azure this patch implements netpoll support.
>> Sending packets is easy,
et...@vger.kernel.org; linux-
>> ker...@vger.kernel.org; Richard Weinberger
>> Subject: [PATCH] hyperv: Add netpoll support
>>
>> In order to have at least a netconsole to debug kernel issues on Windows
>> Azure this patch implements netpoll support.
>> Sending packets is easy,
> -Original Message-
> From: Richard Weinberger [mailto:rich...@nod.at]
> Sent: Tuesday, July 8, 2014 2:32 AM
> To: KY Srinivasan; Haiyang Zhang
> Cc: de...@linuxdriverproject.org; net...@vger.kernel.org; linux-
> ker...@vger.kernel.org; Richard Weinberger
> Subject
> -Original Message-
> From: Richard Weinberger [mailto:rich...@nod.at]
> Sent: Tuesday, July 8, 2014 5:32 AM
> To: KY Srinivasan; Haiyang Zhang
> Cc: de...@linuxdriverproject.org; net...@vger.kernel.org; linux-
> ker...@vger.kernel.org; Richard Weinberger
> Subject
In order to have at least a netconsole to debug kernel issues on
Windows Azure this patch implements netpoll support.
Sending packets is easy, netvsc_start_xmit() does already everything
needed.
To receive we need to trigger the channel callback which is usally
called via tasklet_schedule().
Signe
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