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| author | Caleb Raitto <caraitto@google.com> | 2018-08-09 18:18:28 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-08-11 12:02:18 -0700 |
| commit | 19e226e8cc5da02f17ed119f9137036c0f0f5d80 (patch) | |
| tree | b5c1ac64ee439a15a3dd0c9e056acc676b8590b0 /include/linux/virtio_config.h | |
| parent | 07624df1c9efd4b7f2f6762581587c590b03c7a2 (diff) | |
| download | linux-stable-19e226e8cc5da02f17ed119f9137036c0f0f5d80.tar.gz linux-stable-19e226e8cc5da02f17ed119f9137036c0f0f5d80.tar.bz2 linux-stable-19e226e8cc5da02f17ed119f9137036c0f0f5d80.zip | |
virtio: Make vp_set_vq_affinity() take a mask.
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>
Diffstat (limited to 'include/linux/virtio_config.h')
| -rw-r--r-- | include/linux/virtio_config.h | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h index 5559a2d31c46..32baf8e26735 100644 --- a/include/linux/virtio_config.h +++ b/include/linux/virtio_config.h @@ -79,7 +79,8 @@ struct virtio_config_ops { u64 (*get_features)(struct virtio_device *vdev); int (*finalize_features)(struct virtio_device *vdev); const char *(*bus_name)(struct virtio_device *vdev); - int (*set_vq_affinity)(struct virtqueue *vq, int cpu); + int (*set_vq_affinity)(struct virtqueue *vq, + const struct cpumask *cpu_mask); const struct cpumask *(*get_vq_affinity)(struct virtio_device *vdev, int index); }; @@ -236,11 +237,11 @@ const char *virtio_bus_name(struct virtio_device *vdev) * */ static inline -int virtqueue_set_affinity(struct virtqueue *vq, int cpu) +int virtqueue_set_affinity(struct virtqueue *vq, const struct cpumask *cpu_mask) { struct virtio_device *vdev = vq->vdev; if (vdev->config->set_vq_affinity) - return vdev->config->set_vq_affinity(vq, cpu); + return vdev->config->set_vq_affinity(vq, cpu_mask); return 0; } |