On 2020/1/17 下午12:14, Randy Dunlap wrote:

On 1/16/20 4:42 AM, Jason Wang wrote:

quoted

diff --git a/drivers/vhost/Kconfig b/drivers/vhost/Kconfig
index 3d03ccbd1adc..f21c45aa5e07 100644
--- a/drivers/vhost/Kconfig
+++ b/drivers/vhost/Kconfig

@@ -36,6 +36,7 @@ config VHOST_VSOCK
  
  config VHOST
  	tristate
+        depends on VHOST_IOTLB
  	---help---
  	  This option is selected by any driver which needs to access
  	  the core of vhost.

@@ -54,3 +55,9 @@ config VHOST_CROSS_ENDIAN_LEGACY
  	  adds some overhead, it is disabled by default.
  
  	  If unsure, say "N".
+
+config VHOST_IOTLB
+	tristate
+        default m
+        help
+          Generic IOTLB implementation for vhost and vringh.

Use tab + 2 spaces for Kconfig indentation.

Will fix.

I wonder why checkpath doesn't complain about this :)

Thanks