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virtio: Make vp_set_vq_affinity() take a mask.

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Make vp_set_vq_affinity() take a cpumask instead of taking a single CPU.

If there are fewer queues than cores, queue affinity should be able to
map to multiple cores.

Link: https://patchwork.ozlabs.org/patch/948149/
Suggested-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: Caleb Raitto <caraitto@google.com>
Acked-by: Gonglei <arei.gonglei@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Caleb Raitto
2018-08-09 18:18:28 -07:00
committed by David S. Miller
parent 07624df1c9
commit 19e226e8cc
5 changed files with 14 additions and 14 deletions
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2
drivers/virtio/virtio_pci_common.h
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@@ -141,7 +141,7 @@ const char *vp_bus_name(struct virtio_device *vdev);
* - OR over all affinities for shared MSI
* - ignore the affinity request if we're using INTX
*/
int vp_set_vq_affinity(struct virtqueue *vq, int cpu);
int vp_set_vq_affinity(struct virtqueue *vq, const struct cpumask *cpu_mask);
const struct cpumask *vp_get_vq_affinity(struct virtio_device *vdev, int index);