Virtualization - Sep 2022 - [PATCH v3] virtio_pci: avoid to request intx irq if pin is zero

On Wed, Sep 28, 2022 at 6:47 PM Angus Chen <angus.chen at jaguarmicro.com>
wrote:
>
> The background is that we use dpu in cloud computing,the arch is x86,80
> cores.We will have a lots of virtio devices,like 512 or more.
> When we probe about 200 virtio_blk devices,it will fail and
> the stack is print as follows:
Not for this patch, but I wonder if it's time to introduce per cpu
virtio interrupts instead of per device ones? This may help in this
case.

Thanks
>