search for: calc_num_vq

...nged, 24 insertions(+) diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c index 4bc083b..93cfeda 100644 --- a/drivers/block/virtio_blk.c +++ b/drivers/block/virtio_blk.c @@ -513,6 +513,8 @@ static int init_vq(struct virtio_blk *vblk) if (err) num_vqs = 1; + num_vqs = virtio_calc_num_vqs(vdev, num_vqs); + vblk->vqs = kmalloc_array(num_vqs, sizeof(*vblk->vqs), GFP_KERNEL); if (!vblk->vqs) return -ENOMEM; diff --git a/drivers/virtio/virtio_pci_common.c b/drivers/virtio/virtio_pci_common.c index d0584c0..ce021d1 100644 --- a/drivers/virtio/virtio_pci_common.c +++ b/dr...

...nged, 24 insertions(+) diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c index 4bc083b..93cfeda 100644 --- a/drivers/block/virtio_blk.c +++ b/drivers/block/virtio_blk.c @@ -513,6 +513,8 @@ static int init_vq(struct virtio_blk *vblk) if (err) num_vqs = 1; + num_vqs = virtio_calc_num_vqs(vdev, num_vqs); + vblk->vqs = kmalloc_array(num_vqs, sizeof(*vblk->vqs), GFP_KERNEL); if (!vblk->vqs) return -ENOMEM; diff --git a/drivers/virtio/virtio_pci_common.c b/drivers/virtio/virtio_pci_common.c index d0584c0..ce021d1 100644 --- a/drivers/virtio/virtio_pci_common.c +++ b/dr...

I observed that there is one msix vector for config and one shared vector for all queues in below qemu cmdline, when the num-queues for virtio-blk is more than the number of possible cpus: qemu: "-smp 4" while "-device virtio-blk-pci,drive=drive-0,id=virtblk0,num-queues=6" # cat /proc/interrupts CPU0 CPU1 CPU2 CPU3 ... ... 24: 0

I observed that there is one msix vector for config and one shared vector for all queues in below qemu cmdline, when the num-queues for virtio-blk is more than the number of possible cpus: qemu: "-smp 4" while "-device virtio-blk-pci,drive=drive-0,id=virtblk0,num-queues=6" # cat /proc/interrupts CPU0 CPU1 CPU2 CPU3 ... ... 24: 0