[PATCH v11 05/12] vdpa: document set_group_asid thread safety

[Eugenio Pérez]

Document that the function races with the check of DRIVER_OK.

Signed-off-by: Eugenio Pérez <epere...@redhat.com>
---
Requested at
https://lore.kernel.org/lkml/CACGkMEvXdV4ukZE6xhLL0sSN70G=awvqgprnh98fr4btzmk...@mail.gmail.com/
---
 include/linux/vdpa.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/include/linux/vdpa.h b/include/linux/vdpa.h
index 4cf21d6e9cfd..cd1b1f1321b9 100644
--- a/include/linux/vdpa.h
+++ b/include/linux/vdpa.h
@@ -312,7 +312,9 @@ struct vdpa_map_file {
  *                             @idx: virtqueue index
  *                             Returns the affinity mask
  * @set_group_asid:            Set address space identifier for a
- *                             virtqueue group (optional)
+ *                             virtqueue group (optional).  It's not thread
+ *                             safe to call this function concurrently with
+ *                             set_status.
  *                             @vdev: vdpa device
  *                             @group: virtqueue group
  *                             @asid: address space id for this group
-- 
2.52.0