Hi,
On 05/18/2018 05:41 AM, Peter Xu wrote:
> On Thu, May 17, 2018 at 04:42:54PM +0200, Auger Eric wrote:
>> Hi Peter,
>>
>> On 05/04/2018 05:08 AM, Peter Xu wrote:
>>> During IOVA page table walking, there is a special case when the PSI
>>> covers one whole PDE (Page Directory Entry, which contai
On Thu, May 17, 2018 at 04:42:54PM +0200, Auger Eric wrote:
> Hi Peter,
>
> On 05/04/2018 05:08 AM, Peter Xu wrote:
> > During IOVA page table walking, there is a special case when the PSI
> > covers one whole PDE (Page Directory Entry, which contains 512 Page
> > Table Entries) or more. In the p
Hi Peter,
On 05/04/2018 05:08 AM, Peter Xu wrote:
> During IOVA page table walking, there is a special case when the PSI
> covers one whole PDE (Page Directory Entry, which contains 512 Page
> Table Entries) or more. In the past, we skip that entry and we don't
> notify the IOMMU notifiers. This
During IOVA page table walking, there is a special case when the PSI
covers one whole PDE (Page Directory Entry, which contains 512 Page
Table Entries) or more. In the past, we skip that entry and we don't
notify the IOMMU notifiers. This is not correct. We should send UNMAP
notification to regi