On 2020/4/26 下午2:58, Jason Wang wrote:
diff --git a/drivers/vhost/vhost.h b/drivers/vhost/vhost.h
index 1813821..8663139 100644
--- a/drivers/vhost/vhost.h
+++ b/drivers/vhost/vhost.h
@@ -18,6 +18,8 @@
typedef void (*vhost_work_fn_t)(struct vhost_work *work);
#define VHOST_WORK_QUEUED 1
+#define VHOST_FILE_UNBIND -1
I think it's better to document this in uapi.
I meant e.g in vhost_vring_file, we had a comment of unbinding:
struct vhost_vring_file {
unsigned int index;
int fd; /* Pass -1 to unbind from file. */
};
Thanks