linux-kernel - [PATCH] vhost: drop vring dependency on iotlb

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Date:   Thu, 2 Apr 2020 10:12:50 -0400
From:   "Michael S. Tsirkin" <mst@...hat.com>
To:     linux-kernel@...r.kernel.org
Cc:     Jason Wang <jasowang@...hat.com>,
        virtualization@...ts.linux-foundation.org, kvm@...r.kernel.org,
        netdev@...r.kernel.org
Subject: [PATCH] vhost: drop vring dependency on iotlb

vringh can now be built without IOTLB.
Select IOTLB directly where it's used.

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

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.
-- 
MST