On 2023/12/22 10:30, Tian, Kevin wrote:
From: Liu, Yi L
Sent: Thursday, December 21, 2023 11:40 PM
From: Lu Baolu
The updates of the PTEs in the nested page table will be propagated to the
hardware caches on both IOMMU (IOTLB) and devices (DevTLB/ATC).
this is incorrect. the scope of this c
> From: Liu, Yi L
> Sent: Thursday, December 21, 2023 11:40 PM
>
> From: Lu Baolu
>
> The updates of the PTEs in the nested page table will be propagated to the
> hardware caches on both IOMMU (IOTLB) and devices (DevTLB/ATC).
this is incorrect. the scope of this cmd is driver specific.
>
>
From: Lu Baolu
The updates of the PTEs in the nested page table will be propagated to the
hardware caches on both IOMMU (IOTLB) and devices (DevTLB/ATC).
Add a new domain op cache_invalidate_user for the userspace to flush the
hardware caches for a nested domain through iommufd. No wrapper for i