[PATCH v2 2/4] vdpa: accept VHOST_BACKEND_F_ENABLE_AFTER_DRIVER_OK backend feature
From: Eugenio Pérez <eperezma@redhat.com>
Date: 2023-06-09 09:31:41
Also in:
lkml
Subsystem:
the rest, virtio host (vhost) · Maintainers:
Linus Torvalds, "Michael S. Tsirkin", Jason Wang
Accepting VHOST_BACKEND_F_ENABLE_AFTER_DRIVER_OK backend feature if userland sets it. Signed-off-by: Eugenio Pérez <eperezma@redhat.com> Acked-by: Shannon Nelson <redacted> --- drivers/vhost/vdpa.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c
index bf77924d5b60..a3204406b73d 100644
--- a/drivers/vhost/vdpa.c
+++ b/drivers/vhost/vdpa.c@@ -680,7 +680,8 @@ static long vhost_vdpa_unlocked_ioctl(struct file *filep, return -EFAULT; if (features & ~(VHOST_VDPA_BACKEND_FEATURES | BIT_ULL(VHOST_BACKEND_F_SUSPEND) | - BIT_ULL(VHOST_BACKEND_F_RESUME))) + BIT_ULL(VHOST_BACKEND_F_RESUME) | + BIT_ULL(VHOST_BACKEND_F_ENABLE_AFTER_DRIVER_OK))) return -EOPNOTSUPP; if ((features & BIT_ULL(VHOST_BACKEND_F_SUSPEND)) && !vhost_vdpa_can_suspend(v))
--
2.31.1