Hi Joerg,
On 3/4/21 8:26 PM, Joerg Roedel wrote:
On Thu, Feb 25, 2021 at 02:26:51PM +0800, Lu Baolu wrote:
When the first level page table is used for IOVA translation, it only
supports Read-Only and Read-Write permissions. The Write-Only permission
is not supported as the PRESENT bit
Hi Robin,
On 3/6/21 12:32 AM, Robin Murphy wrote:
In converting intel-iommu over to the common IOMMU DMA ops, it quietly
lost the functionality of its "forcedac" option. Since this is a handy
thing both for testing and for performance optimisation on certain
platforms, reimplement it under the
