diff mbox series

[v1,17/18] vfio: Export vfio_device_try_get()

Message ID 20220602171948.2790690-18-farman@linux.ibm.com (mailing list archive)
State New, archived
Headers show
Series VFIO ccw/mdev rework | expand

Commit Message

Eric Farman June 2, 2022, 5:19 p.m. UTC 
From: Jason Gunthorpe <jgg@nvidia.com>

vfio_ccw will need it.

Cc: Alex Williamson <alex.williamson@redhat.com>
Cc: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/9-v3-57c1502c62fd+2190-ccw_mdev_jgg@nvidia.com/
[farman: added Cc: tags]
Signed-off-by: Eric Farman <farman@linux.ibm.com>
---
 drivers/vfio/vfio.c  | 3 ++-
 include/linux/vfio.h | 1 +
 2 files changed, 3 insertions(+), 1 deletion(-)

Comments

Cornelia Huck June 3, 2022, 7:46 a.m. UTC | #1 
On Thu, Jun 02 2022, Eric Farman <farman@linux.ibm.com> wrote:

> From: Jason Gunthorpe <jgg@nvidia.com>
>
> vfio_ccw will need it.
>
> Cc: Alex Williamson <alex.williamson@redhat.com>
> Cc: Cornelia Huck <cohuck@redhat.com>
> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
> Link: https://lore.kernel.org/r/9-v3-57c1502c62fd+2190-ccw_mdev_jgg@nvidia.com/
> [farman: added Cc: tags]
> Signed-off-by: Eric Farman <farman@linux.ibm.com>
> ---
>  drivers/vfio/vfio.c  | 3 ++-
>  include/linux/vfio.h | 1 +
>  2 files changed, 3 insertions(+), 1 deletion(-)

Acked-by: Cornelia Huck <cohuck@redhat.com>
diff mbox series

Patch

diff --git a/drivers/vfio/vfio.c b/drivers/vfio/vfio.c
index a4555014bd1e..a1f5904b5ea3 100644
--- a/drivers/vfio/vfio.c
+++ b/drivers/vfio/vfio.c
@@ -499,10 +499,11 @@  void vfio_device_put(struct vfio_device *device)
 }
 EXPORT_SYMBOL_GPL(vfio_device_put);
 
-static bool vfio_device_try_get(struct vfio_device *device)
+bool vfio_device_try_get(struct vfio_device *device)
 {
 	return refcount_inc_not_zero(&device->refcount);
 }
+EXPORT_SYMBOL_GPL(vfio_device_try_get);
 
 static struct vfio_device *vfio_group_get_device(struct vfio_group *group,
 						 struct device *dev)
diff --git a/include/linux/vfio.h b/include/linux/vfio.h
index 66dda06ec42d..bcd6eaaea9a5 100644
--- a/include/linux/vfio.h
+++ b/include/linux/vfio.h
@@ -126,6 +126,7 @@  int vfio_register_group_dev(struct vfio_device *device);
 int vfio_register_emulated_iommu_dev(struct vfio_device *device);
 void vfio_unregister_group_dev(struct vfio_device *device);
 extern struct vfio_device *vfio_device_get_from_dev(struct device *dev);
+bool vfio_device_try_get(struct vfio_device *device);
 extern void vfio_device_put(struct vfio_device *device);
 
 int vfio_assign_device_set(struct vfio_device *device, void *set_id);