Re: [PATCH v4 4/5] virtio-blk: default num_queues to -smp N

2020-05-28 Thread Pankaj Gupta
> Automatically size the number of virtio-blk-pci request virtqueues to > match the number of vCPUs. Other transports continue to default to 1 > request virtqueue. > > A 1:1 virtqueue:vCPU mapping ensures that completion interrupts are > handled on the same vCPU that submitted the request. No IPI

[PATCH v4 4/5] virtio-blk: default num_queues to -smp N

2020-05-27 Thread Stefan Hajnoczi
Automatically size the number of virtio-blk-pci request virtqueues to match the number of vCPUs. Other transports continue to default to 1 request virtqueue. A 1:1 virtqueue:vCPU mapping ensures that completion interrupts are handled on the same vCPU that submitted the request. No IPI is necessa