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

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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.

-- 
MST





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