Re: [PATCH virtio 0/8] virtio_pci_modern: allow parallel admin queue commands execution

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Tue, Jun 25, 2024 at 09:29:25AM CEST, mst@xxxxxxxxxx wrote:
>On Tue, Jun 25, 2024 at 06:41:52AM +0000, Parav Pandit wrote:
>> 
>> > From: Jiri Pirko <jiri@xxxxxxxxxxx>
>> > Sent: Tuesday, June 25, 2024 12:08 PM
>> 
>> > I'm working on a fallback where admin queue and cvq would share config
>> > vector. Lets see.
>> 
>> Cvq or avq resulting in performing more MMIO reads of the config space is not good.
>> CVQ and AVQ sharing irq is good, but it should not share with config change interrupt.
>
>Well if a hardware vendor doesn't want that, allocate enough vectors
>and all is well. Your requirement is harder to implement because
>ATM cvq isn't special from virtio core POV.

Yeah, it's just a fallback.

>
>-- 
>MST
>




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