On Thu, Feb 23, 2023 at 11:47 PM Peter Xu wrote:
>
> On Thu, Feb 23, 2023 at 02:59:19PM +0800, Jason Wang wrote:
> > Hi All:
> >
> > According to ATS, device should work if ATS is disabled. This is not
> > correctly implemented in the current intel-iommu since it doesn't
> > handle the UNMAP notif
On Thu, Feb 23, 2023 at 02:59:19PM +0800, Jason Wang wrote:
> Hi All:
>
> According to ATS, device should work if ATS is disabled. This is not
> correctly implemented in the current intel-iommu since it doesn't
> handle the UNMAP notifier correctly. This breaks the vhost-net +
> vIOMMU without dt.
Hi All:
According to ATS, device should work if ATS is disabled. This is not
correctly implemented in the current intel-iommu since it doesn't
handle the UNMAP notifier correctly. This breaks the vhost-net +
vIOMMU without dt.
The root casue is that the when there's a device IOTLB miss (note that
