RE: [PATCH v3 10/14] vfio/type1: Allow invalidating first-level/stage IOMMU cache

2020-07-02 Thread Liu, Yi L
> From: Williamson < alex.william...@redhat.com > > Sent: Friday, July 3, 2020 5:20 AM > > On Wed, 24 Jun 2020 01:55:23 -0700 > Liu Yi L wrote: > > > This patch provides an interface allowing the userspace to invalidate > > IOMMU cache for first-level page table. It is required when the first >

Re: [PATCH v3 10/14] vfio/type1: Allow invalidating first-level/stage IOMMU cache

2020-07-02 Thread Alex Williamson
On Wed, 24 Jun 2020 01:55:23 -0700 Liu Yi L wrote: > This patch provides an interface allowing the userspace to invalidate > IOMMU cache for first-level page table. It is required when the first > level IOMMU page table is not managed by the host kernel in the nested > translation setup. > >

[PATCH v3 10/14] vfio/type1: Allow invalidating first-level/stage IOMMU cache

2020-06-24 Thread Liu Yi L
This patch provides an interface allowing the userspace to invalidate IOMMU cache for first-level page table. It is required when the first level IOMMU page table is not managed by the host kernel in the nested translation setup. Cc: Kevin Tian CC: Jacob Pan Cc: Alex Williamson Cc: Eric Auger