Re: [RFC PATCH 0/3] Sharing MSIX irq for tx/rx queue pairs

[Jason Wang]

On 01/05/2015 09:39 AM, Rusty Russell wrote:
> Jason Wang <jasowang@xxxxxxxxxx> writes:
>> Hi all:
>>
>> This series try to share MSIX irq for each tx/rx queue pair. This is
>> done through:
>>
>> - introducing virtio pci channel which are group of virtqueues that
>>   sharing a single MSIX irq (Patch 1)
>> - expose channel setting to virtio core api (Patch 2)
>> - try to use channel setting in virtio-net (Patch 3)
> Hi Jason,
>
>         Is "channel" a term you created yourself, or something I was
> just unaware of?  

By myself and probably not accurate.
> irq_group would seem more obvious, if the former.
>

Yes, will use this in next version. Thanks.
>> For the transport that does not support channel, channel paramters
>> were simply ignored. For devices that does not use channel, it can
>> simply pass NULL or zero to virito core.
>>
>> With the patch, 1 MSIX irq were saved for each TX/RX queue pair.
> It seems fairly straightforward.
>
> Acked-by: Rusty Russell <rusty@xxxxxxxxxxxxxxx>
>
> Thanks,
> Rusty.
> --

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