On 3/18/26 06:57, Pierrick Bouvier wrote:
Give a hint about missing kernel config CONFIG_VFIO_DEVICE_CDEV.
Signed-off-by: Pierrick Bouvier <[email protected]>
---
hw/vfio/iommufd.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/hw/vfio/iommufd.c b/hw/vfio/iommufd.c
index 131612eb836..3e33dfbb356 100644
--- a/hw/vfio/iommufd.c
+++ b/hw/vfio/iommufd.c
@@ -274,7 +274,10 @@ static int iommufd_cdev_getfd(const char *sysfs_path,
Error **errp)
}
if (!g_file_get_contents(vfio_dev_path, &contents, &length, NULL)) {
- error_setg(errp, "failed to load \"%s\"", vfio_dev_path);
+ error_setg(errp,
+ "failed to load \"%s\""
+ " (is your kernel config missing CONFIG_VFIO_DEVICE_CDEV?)",
+ vfio_dev_path);
goto out_close_dir;
}
Reviewed-by: Yi Liu <[email protected]>
