Re: [PATCH v9 0/5] iommu: Bounce page for untrusted devices

[Joerg Roedel]

On Fri, Sep 06, 2019 at 02:14:47PM +0800, Lu Baolu wrote:
> Lu Baolu (5):
>   swiotlb: Split size parameter to map/unmap APIs
>   iommu/vt-d: Check whether device requires bounce buffer
>   iommu/vt-d: Don't switch off swiotlb if bounce page is used
>   iommu/vt-d: Add trace events for device dma map/unmap
>   iommu/vt-d: Use bounce buffer for untrusted devices
> 
>  .../admin-guide/kernel-parameters.txt         |   5 +
>  drivers/iommu/Kconfig                         |   1 +
>  drivers/iommu/Makefile                        |   1 +
>  drivers/iommu/intel-iommu.c                   | 310 +++++++++++++++++-
>  drivers/iommu/intel-trace.c                   |  14 +
>  drivers/xen/swiotlb-xen.c                     |   8 +-
>  include/linux/swiotlb.h                       |   8 +-
>  include/trace/events/intel_iommu.h            | 106 ++++++
>  kernel/dma/direct.c                           |   2 +-
>  kernel/dma/swiotlb.c                          |  30 +-
>  10 files changed, 449 insertions(+), 36 deletions(-)
>  create mode 100644 drivers/iommu/intel-trace.c
>  create mode 100644 include/trace/events/intel_iommu.h

Applied, thanks.