Hi Stefano,
On 16/08/16 01:35, Stefano Stabellini wrote:
On Thu, 28 Jul 2016, Julien Grall wrote:
Each entry in the page table has to table clean when the IOMMU does not
What does it mean to "table clean" ?
I meant "has to be cleaned".
support coherent walk. Rather than querying every
On Thu, 28 Jul 2016, Julien Grall wrote:
> Each entry in the page table has to table clean when the IOMMU does not
What does it mean to "table clean" ?
> support coherent walk. Rather than querying every time the page table is
> updated, it is possible to do it only once when the p2m is initiali
Each entry in the page table has to table clean when the IOMMU does not
support coherent walk. Rather than querying every time the page table is
updated, it is possible to do it only once when the p2m is initialized.
This is because this value can never change, Xen would be in big trouble
otherwis