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| author | Zhu Lingshan <lingshan.zhu@intel.com> | 2020-08-04 18:21:23 +0800 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2020-08-05 11:08:42 -0400 |
| commit | 4c05433bc6fb4ae172270f0279be8ba89a3da64f (patch) | |
| tree | e1cffc9077732263aad0fa30a7a7f64c6b67ef01 /include/linux/vdpa.h | |
| parent | 46af9adefd2fd44afa9e8a5020c520812151f849 (diff) | |
| download | linux-4c05433bc6fb4ae172270f0279be8ba89a3da64f.tar.gz linux-4c05433bc6fb4ae172270f0279be8ba89a3da64f.tar.bz2 linux-4c05433bc6fb4ae172270f0279be8ba89a3da64f.zip | |
vDPA: dont change vq irq after DRIVER_OK
IRQ of a vq is not expected to be changed in a DRIVER_OK ~ !DRIVER_OK
period for irq offloading purposes. Place this comment at the side of
bus ops get_vq_irq than in set_status in vhost_vdpa.
Signed-off-by: Zhu Lingshan <lingshan.zhu@intel.com>
Link: https://lore.kernel.org/r/20200804102123.69978-1-lingshan.zhu@intel.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'include/linux/vdpa.h')
| -rw-r--r-- | include/linux/vdpa.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/vdpa.h b/include/linux/vdpa.h index 5c530a64aa06..565298cb45d2 100644 --- a/include/linux/vdpa.h +++ b/include/linux/vdpa.h @@ -186,6 +186,7 @@ struct vdpa_config_ops { u64 (*get_vq_state)(struct vdpa_device *vdev, u16 idx); struct vdpa_notification_area (*get_vq_notification)(struct vdpa_device *vdev, u16 idx); + /* vq irq is not expected to be changed once DRIVER_OK is set */ int (*get_vq_irq)(struct vdpa_device *vdv, u16 idx); /* Device ops */ |