On Thu, Apr 02, 2020 at 10:28:28PM +0800, Jason Wang wrote:
>
> On 2020/4/2 下午10:12, Michael S. Tsirkin wrote:
> > vringh can now be built without IOTLB.
> > Select IOTLB directly where it's used.
> >
> > Signed-off-by: Michael S. Tsirkin <[email protected]>
> > ---
> >
> > 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
>
OK but I guess it's best to do it near where VHOST_IOTLB is defined.
Like this?
diff --git a/drivers/vhost/Kconfig b/drivers/vhost/Kconfig
index bdd270fede26..ce51126f51e7 100644
--- a/drivers/vhost/Kconfig
+++ b/drivers/vhost/Kconfig
@@ -3,6 +3,8 @@ config VHOST_IOTLB
tristate
help
Generic IOTLB implementation for vhost and vringh.
+ This option is selected by any driver which needs to support
+ an IOMMU in software.
config VHOST_RING
tristate
_______________________________________________
Virtualization mailing list
[email protected]
https://lists.linuxfoundation.org/mailman/listinfo/virtualization
