Re: [PATCH] vhost: drop vring dependency on iotlb

From: Jason Wang
Date: Thu Apr 02 2020 - 10:28:47 EST



On 2020/4/2 äå10:12, Michael S. Tsirkin wrote:
vringh can now be built without IOTLB.
Select IOTLB directly where it's used.

Signed-off-by: Michael S. Tsirkin <mst@xxxxxxxxxx>
---

This is on top of my previous patch (in vhost tree now).

drivers/vdpa/Kconfig | 1 +
drivers/vhost/Kconfig | 1 -
2 files changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/vdpa/Kconfig b/drivers/vdpa/Kconfig
index 7db1460104b7..08b615f2da39 100644
--- a/drivers/vdpa/Kconfig
+++ b/drivers/vdpa/Kconfig
@@ -17,6 +17,7 @@ config VDPA_SIM
depends on RUNTIME_TESTING_MENU
select VDPA
select VHOST_RING
+ select VHOST_IOTLB
default n
help
vDPA networking device simulator which loop TX traffic back
diff --git a/drivers/vhost/Kconfig b/drivers/vhost/Kconfig
index 21feea0d69c9..bdd270fede26 100644
--- a/drivers/vhost/Kconfig
+++ b/drivers/vhost/Kconfig
@@ -6,7 +6,6 @@ config VHOST_IOTLB
config VHOST_RING
tristate
- select VHOST_IOTLB
help
This option is selected by any driver which needs to access
the host side of a virtio ring.


Do we need to mention driver need to select VHOST_IOTLB by itself here?

Thanks