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609
2023 Feb 08
2
virtio-fs: adding support for multi-queue
...ce
>> right now, do you have references to the source for this?
>
> virtio_blk.ko uses an irq_affinity descriptor to tell virtio_find_vqs()
> to spread MSI interrupts across CPUs:
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/block/virtio_blk.c#n609
>
> The core blk-mq code has the blk_mq_virtio_map_queues() function to map
> block layer queues to virtqueues:
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/block/blk-mq-virtio.c#n24
>
> virtio_net.ko manually sets virtqueue affinity:
> https://gi...